Tag Archives: helical worm

China OEM Nmrv030-150 Worm Gearbox with Output Flange for Light Industry planetary gearbox vs helical gearbox

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CZPT Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China OEM Nmrv030-150 Worm Gearbox with Output Flange for Light Industry   planetary gearbox vs helical gearboxChina OEM Nmrv030-150 Worm Gearbox with Output Flange for Light Industry   planetary gearbox vs helical gearbox
editor by CX 2023-11-13

China Professional Durable Nmrv Worm Gearbox with Electric Motor for Transmission Device helical gearbox assembly

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model     Ratio     Center Distance  Power Input Dia.  Output Dia.    Output Torque Weight
RV571     7.5~100   25mm   0.06KW~0.12KW  Φ9 Φ11 21N.m  0.7kgs
RV030 RW030 7.5~100 30mm   0.06KW~0.25KW Φ9(Φ11) Φ14 45N.m  1.2kgs
RV040 RW040 7.5~100 40mm   0.09KW~0.55KW Φ9(Φ11,Φ14) Φ18(Φ19) 84N.m  2.3kgs
RV050 RW050 7.5~100 50mm   0.12KW~1.5KW Φ11(Φ14,Φ19) Φ25(Φ24) 160N.m  3.5kgs
RV063 RW063 7.5~100 63mm   0.18KW~2.2KW Φ14(Φ19,Φ24) Φ25(Φ28) 230N.m  6.2kgs
RV075 RW075 7.5~100 75mm   0.25KW~4.0KW Φ14(Φ19,Φ24,Φ28)  Φ28(Φ35) 410N.m  9.0kgs
RV090 RW090 7.5~100 90mm   0.37KW~4.0KW Φ19(Φ24,Φ28) Φ35(Φ38) 725N.m  13.0kgs
RV110 RW110 7.5~100 110mm   0.55KW~7.5KW Φ19(Φ24,Φ28,Φ38)   Φ42 1050N.m  35.0kgs
RV130 RW130 7.5~100 130mm   0.75KW~7.5KW Φ24(Φ28,Φ38) Φ45 1550N.m  48.0kgs
RV150 RW150 7.5~100 150mm     2.2KW~15KW Φ28(Φ38,Φ42) Φ50   84.0kgs

GMRV Outline Dimension:

GMRV A B C C1 D(H8) E(h8) F G G1 H H1 I M N O P Q R S T BL β b t V  
030 80 97 54 44 14 55 32 56 63 65 29 55 40 57 30 75 44 6.5 21 5.5 M6*10(n=4) 5 16.3 27
040 100 121.5 70 60 18(19) 60 43 71 78 75 36.5 70 50 71.5 40 87 55 6.5 26 6.5 M6*10(n=4) 45° 6 20.8(21.8) 35
050 120 144 80 70 25(24) 70 49 85 92 85 43.5 80 60 84 50 100 64 8.5 30 7 M8*12(n=4) 45° 8 28.3(27.3) 40
063 144 174 100 85 25(28) 80 67 103 112 95 53 95 72 102 63 110 80 8.5 36 8 M8*12(n=8) 45° 8 28.3(31.3) 50
075 172 205 120 90 28(35) 95 72 112 120 115 57 112.5 86 119 75 140 93 11 40 10 M8*14(n=8) 45° 8(10) 31.3(38.3) 60
090 206 238 140 100 35(38) 110 74 130 140 130 67 129.5 103 135 90 160 102 13 45 11 M10*16(n=8) 45° 10 38.3(41.3) 70
110 255 295 170 115 42 130 144 155 165 74 160 127.5 167.5 110 200 125 14 50 14 M10*18(n=8) 45° 12 45.3 85
130 293 335 200 120 45 180 155 170 215 81 179 146.5 187.5 130 250 140 16 60 15 M12*20(n=8) 45° 14 48.8 100
150 340 400 240 145 50 180 185 200 215 96 210 170 230 150 250 180 18 72.5 18 M12*22(n=8) 45° 14 53.8  120  

Company Profile

About CZPT Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 12/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China Professional Durable Nmrv Worm Gearbox with Electric Motor for Transmission Device   helical gearbox assemblyChina Professional Durable Nmrv Worm Gearbox with Electric Motor for Transmission Device   helical gearbox assembly
editor by CX 2023-11-12

China OEM Nmrv Nrv Series Aluminum Worm Gearboxes helical gearbox description

Product Description

RV series Characteristics

  • RV – Sizes:–150
  • Input Options: with input shaft, With Square flange,With Input Flange
  • Input Power 0.06 to 11 kW
  • RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
  • Ratios between 5 and 100
  • Max torque 1550 N.m and admissible output radial loads max 8771 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: Copper (KK Cu). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Size 030 and over are painted with RAL 5571 blue
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug,Small gap

Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.

 

WORM GEARBOX          
SNW SERIES          Output Speed Range:
Type Old Type Output Torque Output Shaft Dia.   14rpm-280rpm
SNW030  RV030  21N.m  φ14   Applicable Motor Power:
SNW040  RV040  45N.m  φ19   0.06kW-11kW
SNW050  RV050  84N.m  φ25   Input Options1:
SNW063  RV063  160N.m  φ25   With Inline AC Motor
SNW075  RV075  230N.m  φ28   Input Options2:
SNW090  RV090  410N.m  φ35   With Square flange
SNW105  RV105  630N.m  φ42   Input Options3:
SNW110  RV110  725N.m  φ42   With Input Shaft
SNW130  RV130  1050N.m  φ45   Input Options4:
SNW150  RV150  1550N.m  φ50   With Input Flange

Starshine Drive

ZheJiang CZPT Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CZPT specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CZPT and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
 to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
 is a product inspection to determine the qualified products.

Packing

Delivery

Application: Motor, Machinery, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Corner
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Three-Step
Customization:
Available

|

Customized Request

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China OEM Nmrv Nrv Series Aluminum Worm Gearboxes   helical gearbox descriptionChina OEM Nmrv Nrv Series Aluminum Worm Gearboxes   helical gearbox description
editor by CX 2023-11-11

China supplier Saf37/Saf47/Saf57/Saf67/Saf87/Saf97 S Series Flange Mounted Helical Worm Gearbox bevel helical gearbox

Product Description

Product Parameters

 

Features of S series reducer

The same model can be equipped with motors of various powers. It is easy to realize the combination and connection between various models.
The transmission efficiency is high, and the single reducer efficiency is up to 96%. three
The transmission ratio is subdivided and the range is wide. The combined model can form a large transmission ratio and low output speed.
The installation forms are various, and can be installed with any foot, B5 flange or B4 flange. The foot mounting reducer has 2 machined foot mounting planes.
Helical gear and worm gear combination, compact structure, large reduction ratio.
Installation mode: foot installation, hollow shaft installation, flange installation, torque arm installation, small flange installation.
Input mode: motor direct connection, motor belt connection or input shaft, connection flange input.
Average efficiency: reduction ratio 7.5-69.39 is 77%; 70.43-288 is 62%; The S/R combination is 57%.

Detailed Photos

 

Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 150/Piece
1 Piece(Min.Order)

|
Request Sample

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China supplier Saf37/Saf47/Saf57/Saf67/Saf87/Saf97 S Series Flange Mounted Helical Worm Gearbox   bevel helical gearboxChina supplier Saf37/Saf47/Saf57/Saf67/Saf87/Saf97 S Series Flange Mounted Helical Worm Gearbox   bevel helical gearbox
editor by CX 2023-10-20

China Good quality RC Series Flexible Installationhelical 120~500n. M Gear Box Shaft Foot Flange Mounted Speed Reducer Helical Gearbox for Packing Machine difference between helical and worm gearbox

Product Description

RC series Flexible InstallationHelical 120~500n. M Gear Box Shaft foot flange Mounted Speed Reducer Helical Gearbox for Packing Machine

 

Housing Nodular Cast Iron(Ductile Iron) QT600
Gears Profile Hardened Helical Gears
Gears Material 20CrMnTi
Gears Processing Carburizing, Quenching, Grinding
Gears Hardness Surface Hardness: HRC58-62, Inner Hardness: HBS156-207
Gears Accuracy 6 Class
Shafts Material 40Cr
Input Configurations Keyed CZPT Shaft Input
IEC Normalized Motor Flange
Output Configurations Keyed Hollow Shaft Output
Oil Seal ZheJiang SOG
Bearings NSK, SKF, HRB, ZWZ, LYC
Spare Parts Torque arm, Optional Backstop

 

 

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Soft Tooth Surface
Installation: 90 Degree
Layout: Helical Gearbox
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

helical gearbox

Why Choose a Helical Gearbox?

Choosing a helical gearbox is an important decision for any machine builder. It can help you to reduce maintenance costs, improve productivity and efficiency, and ensure that your equipment operates quietly and efficiently. In addition, it can also be compact in size and easy to install.

High productivity and efficiency

Compared to spur gears, helical gears have high productivity and efficiency. This is due to the fact that the helical gearbox is more effective at transferring power between right-angle configurations. Helical gears are also quieter. They also have the ability to tolerate a greater load. These gears are usually used in high-load applications, such as automotive transmission applications.
The basic features of helical gears include a slanted tooth face, a larger contact ratio, and a smoother performance. Helical gears are also less expensive than spur gears. They have more power carrying capacity, longer life, and are easier to maintain.
There are many factors that affect the efficiency of helical gearboxes. Some of them include the number of stages, reduction ratio, ambient conditions, and lubrication. They are also affected by the number of teeth.
Power loss in helical gears is mainly due to friction and heat. There are various approaches to minimize these losses. One approach is to analyse power losses using a numerical method.
Other factors that affect the efficiency of helical systems include speed, noise, and the number of teeth. The amount of power lost in gear mating is dependent on the load.

Low power consumption

Compared to other types of gearboxes, helical gearboxes have low power consumption. This is because they can tolerate more load, conduct smooth performance, and are quieter. They also require less oil changes and have a longer life span.
Helical gears have special teeth that are cut at an angle. The teeth are designed to engage gradually, rather than quickly. They can transfer power between parallel configurations and right-angle configurations.
Helical gearboxes are the most widely used gearboxes. They are also the most efficient. They can work at 98% efficiency. However, they are more expensive than spur gears. They can be packaged with oil-filled housings. They have less noise and require less maintenance. They can operate cooler, and have more torque capacity.
Helical gearboxes have two types: single and double helical gears. In the single type, the gears are perpendicular to the axis. They are usually used in automotive transmission applications. They can also be used in forward velocities. In the double type, the helical faces are next to each other.
Helical gears work at higher ratios, which increases their efficiency. They are also less noisy than spur gears. They are a good choice for applications that require high torque capacity. The basic efficiency of helical gearboxes ranges from 90% to 99.5%. They are also easier to operate and have a longer life span. They are suited to a wide range of applications.helical gearbox

Compact in size

Having a shiny new set of wheels is a nice change of pace. You get to sit in style and you get to drive it like the pro. The trick is finding the right one at the right time. Fortunately, there are plenty of companies who know how to build a high quality car that can be afforded by the average Joe. You’ll find all types of cars from sports coupes to hatchbacks. You’ll also find all types of drivers from the young professional to the seasoned veteran. You’ll also find all types of roads from main streets to back roads. There are even all types of parking spaces to choose from. With a bit of planning and some research, you’ll find the perfect fit for you and your family. You can’t help but wonder why you didn’t choose a vehicle with this many perks sooner. It’s a nice way to spend a night on the town, without having to worry about a parking fee. The next time you’re in the mood to take the family out to the country for a weekend in the great bluffs, you’ll know which ones to avoid.

Noise-free operation

Compared to spur gears, helical gears have better speed capability and quieter operation. However, helical gearboxes often have problems that stop their service. These faults result in increased productivity costs. These problems include fatigue, chipping tip, crack and missing tooth.
In this paper, we propose a novel signal processing scheme to detect gearbox faults at constant speed. The method involves the use of spectral subtraction (SS) to remove the spectral noise of a signal. This approach is widely used in speech signal processing. It is also used to estimate real-time noise information. The method was successfully applied to the analysis of gearbox faults.
The spectral subtraction technique is applied to the transmission error and to the side-band frequency feature. The side-band frequency is equal to the rotation frequency of the input shaft. A square envelope spectrum method is used to obtain the spectral feature. It was then used to obtain the corresponding fault signal. The method is then compared with experimentally measured noise data.
It is also important to note that the side-band feature is not stable in different noise levels. The optimal demodulation subband selection method is not obvious. However, the proposed method can obtain a stable amplitude value when SNR is low.
Another important factor that reduces noise is the overlap ratio. The overlap ratio is the sum of the transverse contact ratio and the face contact ratio. When the overlap ratio approaches one, the noise is minimized.

Improved performance at high speeds

Whether used in an industrial, automotive or power generation application, helical gearboxes provide a number of benefits over traditional spur gearing systems. These advantages include reduced noise, higher load capacity and smoother operation.
In an effort to reduce noise and improve performance at high speeds, Parker engineers developed a helical gearbox that runs quieter and produces 30-40% more torque than a conventionally modified gear. They also redesigned the entry and exit points of the gear tooth for increased efficiency and strength.
The high-speed helical geartrain has been tested at 5,000 hp power. The tests were performed in the High-Speed Helical Geartrain Test Facility at the NASA Glenn Research Center. The tests were conducted at four different design configurations and at multiple input shaft speeds. These tests included temperature increases from inlet to outlet, fling off temperatures, and power loss of the helical system.
The first step was to improve load distribution of the gear pair. This is done by modifying the microgeometry of each gear. In addition to modifying the microgeometry of each tooth, the length of the contact line was extended. This resulted in a higher tooth contact ratio.
Another option is to modify the straddle-mounted pin of the PGS. This is a complicated task because of spatial constraints. In order to determine whether the pin will have the desired effect, it needs to be tested in real-world tests.helical gearbox

Reduce maintenance costs

Compared to spur gears, helical gears have several advantages, such as less noise and vibration, greater load carrying capacity, and longer life. They also have a reduced maintenance cost.
Helical gears can be divided into two main types: single helical and crossed axis helicals. In the single helical type, two or three teeth connect at all times.
In crossed axis helicals, the shafts are inclined at a variety of angles. These gears are primarily used in non-perpendicular transmissions. They can have very low load carrying capacity, but they offer better strength and speed reduction than spur gears.
The double helical type has two mirrored rows of teeth that are angled. This type of gear is also known as a herringbone gear. It’s a design that’s ideal for non-perpendicular transmissions.
Helical gears are packaged in oil filled housings. They are a space saving gear reducer. They are used in automobile transmissions and other forward speeds. They are also used in industrial gearboxes.
Helical gears can be made of either solid or semi-solid materials. They can be sliced into an arbitrary number of cross sections. This allows the helix to be adjusted to suit the application.
It’s important to choose the right gear for your application. The gear’s design may include the number of teeth, lubricant type, surface treatment, and the tooth angle. It’s also important to choose the right lubricant, because it can affect the noise levels and the efficiency of the gear.
China Good quality RC Series Flexible Installationhelical 120~500n. M Gear Box Shaft Foot Flange Mounted Speed Reducer Helical Gearbox for Packing Machine   difference between helical and worm gearboxChina Good quality RC Series Flexible Installationhelical 120~500n. M Gear Box Shaft Foot Flange Mounted Speed Reducer Helical Gearbox for Packing Machine   difference between helical and worm gearbox
editor by CX 2023-06-12

China high quality F Series Speed Reducer Gearbox Parallel Shaft Helical Gearbox for Conveyor difference between helical and worm gearbox

Product Description

 

Product Description

Product Description

-F Series Parallel Shaft Helical gearbox

 

Product Features

1. Modular design, compact structure. Extra-slim parallel shaft helical gearmotors are the perfect solution when space is limited     
2. F series parallel shaft helical gearmotors are typically used in conveyors and materials processing applications      
3. Multi-stage (2 or 3 stages) gear units for low output speed     
4. Hollow output shaft with keyed connection, shrink disk, splined hollow shaft, or torque arm
5. Can be combined with other types of gearboxes (Such as R Series, UDL Series)    
6. Optional mounting options (foot-mounted, flange-mounted, shaft-mounted)    

 

 

 

Product Parameters

 

Models Output Shaft Dia. Input Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
Solid Shaft Hollow Shaft
F38 25mm 30mm 16mm 0.18~3.0 3.81~128.51 200
F48 30mm 35mm 16mm 0.18~3.0 5.06~189.39 400
F58 35mm 40mm 19mm 0.18~5.5 5.18~199.70 600
F68 40mm 40mm 19mm 0.18~5.5 4.21~228.99 820
F78 50mm 50mm 24mm 0.37~11 4.30~281.71 1500
F88 60mm 60mm 28mm 0.75~22 4.20~271.92 3000
F98 70mm 70mm 38mm 1.1~30 4.68~276.64 4300
F108 90mm 90mm 42mm 2.2~45 6.20~255.25 7840
F128 110mm 100mm 55mm 7.5~90 4.63~172.33 12000
F158 120mm 120mm 70mm 11~200 12.07~270.18 18000

 

Materials Data Sheet

Housing material

Grey Cast iron

Housing hardness

HBS163~255

Gear material

20CrMnTi alloy steel

Surface hardness of gears

HRC58°~62 °

Gear core hardness

HRC33~48

Input / Output shaft material

40Cr alloy steel

Input / Output shaft hardness

HRC32~36

Machining precision of gears

accurate grinding, 6~5 Grade

Lubricating oil

GB L-CKC220-460, Shell Omala220-460

Heat treatment

tempering, cementiting, quenching, normalizing, etc.

Efficiency

94%~96% (depends on the transmission stage)

Noise (MAX)

60~68dB

Temp. rise (MAX)

40°C

Temp. rise (Oil)(MAX)

50°C

Vibration

≤20µm

Backlash

≤20Arcmin

Brand of bearings

China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.

Brand of oil seal

NAK — ZheJiang or other brands requested

Detailed Photos

Our process of production

 

 

Our product line

 

Company Profile

Company Profile

Bode was founded in 2007, which is located in HangZhou city, ZHangZhoug province. As 1 professional manufacturer and exporter, we have more than 17 years’ experience in R & D of worm reducer, gear reducer, gearbox , AC motor and relative spare parts. We have factory with advanced production and test equipment, the strong development of team and producing capacity offer our customers with high quality products. Our products widely served to various industries of Metallurgy, Chemicals, lifting, mining, Petroleum, textile, medicine, wooden etc. Main markets: China, Africa, Australia, Vietnam, Turkey, Japan, Korea, Philippines… Welcome to ask us any questions, good offer always for you for long term business.

FAQ

Q1: Are you trading company or manufacturer?
A: We are factory.

Q2: What kinds of gearbox can you produce for us?
A: Main products of our company: R, S, K, F series helical-tooth reducer, RV series worm gear reducer,H Series Parallel Shaft Helical Reduction Gear Box

Q3: Can you make as per custom drawing?
A: Yes, we offer customized service for customers.

Q4: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q5: What information shall we give before placing a purchase order?
A:  a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
     b) Housing color.
     c) Purchase quantity.
     d) Other special requirements.

Q6: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.

Q7: What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery

Dear customers,  If you are interested in our product, welcome to contact with us.
Our team will do our best to meet your need 🙂 

 

Application: Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

helical gearbox

Advantages of a Helical Gearbox

Usually helical gearboxes are used for industrial purposes. They are usually found in power generation units, where the input of energy is converted into output. There are several different types of helical gearboxes, including spiral and herringbone. You should familiarize yourself with the different types before choosing one for your project.

Helix angle

Generally, the angle between a gear tooth and its shaft axis is called the helix angle. This angle is important in motion conversion and power transfer. It is not to be confused with the lead angle, which is used to reference a line perpendicular to the axis of the gear.
The helical gearbox is used in several industrial applications. The oil and sugar industries, blowers, and feeders are among those that utilize helical gears. They are smoother than spur gears, and they also have quieter operation.
Helical gearboxes can be made modularly. This allows for more economical construction and interchangeability of components. These gearboxes are also used in enclosed gear systems. In a helical gearbox, each section of the box must stagger in a different direction. This helps in maintaining the integrity of the component.
Helical gears can be used in applications that require a high degree of quality control. This is necessary to minimize the effects of wear and tear. The use of extreme pressure lubricants is recommended for helical gears that operate at right angles. However, these are not recommended for bronze gears.
Besides the helix angle, the contact ratio also affects the performance of the gear. The more surface contact between the teeth, the greater the sliding. The heat produced is also detrimental to performance. It is necessary to use a lubricant that will reduce friction between the tooth surfaces. Proper lubrication reduces wear and minimizes heat.
When determining the optimum helix angle for a gear, it is important to consider the diameter of the gear. Helical gears have a minimum helix angle of 15 to 30 degrees. A higher helix angle increases the axial force generated by the gear, and a lower helix angle increases the contact stress.

Spiral gears

Using spiral gears in a helical gearbox offers several advantages, including smoothness and quiet operation. In addition, helical gearboxes are highly effective and can tolerate more load. Spiral gears are also more cost effective. However, they are more difficult to produce.
Helical gears are similar to spur gears in that they have teeth at an angle. However, the helix angle of the teeth in a helical gear is not fixed. This angle affects the position of the tooth’s contact with the mating gear. It also affects the normal force of the teeth.
The helix angle of the gear’s teeth is also dependent on the direction of rotation of the gear. For example, a spiral gear with a helix angle of 15 degrees is usually perpendicular to the axis of the gear. Similarly, a helical gear with a helix angle of 30 degrees is usually oblique to the axis of the gear.
Helical gears also provide a method for connecting shafts that are not parallel. These gears are usually used in industries such as conveyors, food industries, plastic industries, and oil industries. The main advantage of helical gears is that they are smoother than spur gears. However, the downside is higher wear and friction.
Helical gears are also used to transmit motion between parallel shafts. Helical gears are also used in high-load applications. This makes them a good choice for heavy-duty applications.
Helical gears are also superior to spur gears in load carrying capacity. Helical gears are smoother and quieter than spur gears. However, they also have a higher friction factor. In addition, they require special hobbing cutters.
Helical gears can also be classified according to their reference section in the standard plane. The center gap of helical gears with a reference section in the turning plane is the same as that of spur gears.helical gearbox

Herringbone gears

Among the different types of gearboxes, the helical gearbox is one of the most common. It is widely used in industrial applications, such as geared motors, worm gearboxes, and planetary gear trains.
A helical gear is a directional gear with a vertical axis. Its unique feature is the helix angle, which is the angle of the helix on the indexing cylindrical surface. The helix angle is set to a value of eight to fifteen degrees in design. The real radial pitch, which is the pitch of the gear when it rotates clockwise, varies with the helix angle.
Helical gears are classified according to the reference section in the turning and standard planes. Helical gears with a reference section in the standard plane have the same number of teeth as spur gears. On the other hand, helical gears with a reference section in a turning plane have the same center gap as spur gears.
The main advantage of helical gears is the high power-to-weight ratio. Aside from that, they are compact and have good meshing performance.
Another advantage is their high torque carrying capacity. This can be achieved by increasing the helix angle. The larger the helix angle, the smoother the gear’s motion. Moreover, the larger the helix angle, the larger the coincidence degree. This is useful in applications with high shock and vibration.
The production process for herringbone gears is more difficult and expensive than the other types. It is difficult to cut and shape herringbone gears. A simple gear hobbing machine is not suitable for this type of gear. However, the milling process can be used to process some herringbone gears.
Some of the problems related to herringbone gears are a lack of axial load, high friction and the interference of axial component forces. The meshing of teeth in herringbone gears can help reduce these problems.

Noise, vibration & harshness (NVH) characteristics

NVH testing is an important aspect of new driveline product development. It is typically performed during passenger car development, and is used for quality assurance of exterior and interior noise. This is an important topic in hybrid vehicles and electric vehicles, and continues to grow as the automotive industry expands.
A typical NVH test involves a rolling road dynamometer and signals are recorded and stored on a hard disk. These are then processed to produce variation distributions. Among other things, a lumped parameter system dynamics model was developed to run large size DOE studies efficiently.
Among the many components in the NVH chain, the bevel gear plays a major role in the final drive. Its characteristics are complex and time-varying, but they are important enough to be studied.
A new bevel gear OTE calculation method will be discussed in this paper. It is important to note that the NVH performance of an electric drive helical gear transmission system can be improved by thermal deformation of the bearing. It is also possible to achieve robust NVH performance in aluminum axle design by optimizing gear design, bearing optimization, and driveline system dynamics.
The gear train also has some lesser-known NVH performance characteristics. It is known that a gear train is an excitation source, and this is the topic of another study. It is also important to note that a helical gear system will exhibit non-linear behaviors when it changes working speed.helical gearbox

Applications

Compared to spur gears, helical gears offer greater load carrying capacity and smoother operation. They are also quieter, as the gears have larger teeth. These are the main reasons for their widespread use.
The main difference between helical gears and spur gears is the way teeth are cut. Teeth in helical gears are cut at an angle, in order to allow more teeth to interact in the same direction. This reduces shock loads and vibration. Helical gears are also much more durable than spur gears.
Helical gears can be used in a variety of applications. They are often chosen over spur gears for applications that require non-parallel shafts. They are also popular in the printing industry, the plastics industry, and the cement industry. They can also be used in conveyors and coolers.
Helical gears are made of a material that provides excellent durability, corrosion resistance, and a strong working load. They are also less expensive to produce. They are attached to a shaft using a press fit or adhesive. The attachment method can be a hub or an integral shaft.
Helical gears are also produced in a radial module form. This is the most economical option. This allows helical gears to be manufactured in a compact format. It also ensures that the bearing positioning requirements are met.
Helical gears are also produced with special grinding stones. These are needed for every helix angle. The helix angle determines the real radial pitch. This also affects the normal force of the tooth.
When mating helical gears to parallel shafts, they are right-handed. These gears can be made with a normal module set or by using special hobbing tools.
China high quality F Series Speed Reducer Gearbox Parallel Shaft Helical Gearbox for Conveyor   difference between helical and worm gearboxChina high quality F Series Speed Reducer Gearbox Parallel Shaft Helical Gearbox for Conveyor   difference between helical and worm gearbox
editor by CX 2023-06-06

China Professional Right Angle Shaft S Series Helical Worm Gear Box with Low Noise helical coaxial gearbox

Product Description

S Series Worm Helical Gear Box:
1.Technical data

Input power Ratio Input speed Torque Transmission stage Mounting type
0.18~22kW 9.96~244.74(MAX:4606) 1400rpm
900rpm
700rpm
90~4000N.m 2stage
3stage
Foot mounted
Flange mounted

2.Input power rating and permissible torque

Size 37 47 57 67 77 87 97
Structure S   SA   SF   SAF   SAT   SAZ
Input Power(kW) 0.18~0.75 0.18~1.5 0.18~3 0.25~5.5 0.55~7.5 0.75~15 1.5~22
Ratio 10.27~165.71 11.46~244.74 10.78~196.21 11.55~227.20 9.96~241.09 11.83~223.26 12.75~230.48
Permissible Torque(N.m) 90 170 300 520 1270 2280 4000

 
 
3.Gear unit weight

Size 37 47 57 67 77 87 97
Weight(kg) 7 10 14 26 50 100 170

 

4.Structures of S series gearbox

S series gear units are available in the following designs
S…Y… Foot-mounted parallel shaft helical gear units with solid shaft
SA…Y… Parallel shaft helical gear units with hollow shaft
SAZ…Y… Short-flange mounted parallel shaft helical gear units with hollow shaft
SF…Y… Flange-mounted parallel shaft helical gear units with solid shaft
SAT…Y… Flange-mounted parallel shaft helical gear units with hollow shaft
S(SF,SA,SAF,SAZ)S… Shaft input parallel shaft helical gear units
S(SF,SA,SAF,SAZ)…R…Y… Combinatorial parallel shaft helical gear units
S(SF,SA,SAF,SAZ)S…R… Shaft input combinatorial parallel shaft helical gear units

5.Field Gear Box’s Usage
1. Metallurgy 2 Mine 3 Machine 4 Energy 5 Transportation 6 Water Conserbancy 7 Tomacco 8 Pharmacy 9 Printing Package 10 Chemical industry…

6.Our services:

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

7.S series gearbox are available in the following designs:
(1) SY
Foot mounted helical worm gearbox with CZPT shaft

(2) SAY
Helical worm gearbox with hollow shaft

(3) SAZY
Small flange mounted helical worm gearbox with hollow shaft

(4) SA (S,SF,SAF,SAZ)Y
Assemble users’ motor or special motor, flange is required

(5) SFY
Flange mounted helical worm gearbox with CZPT shaft

(6) SAFY
Flange mounted helical worm gearbox with hollow shaft

(7) SATY
Torque arm mounted helical worm gearbox with hollow shaft

(8) S (SF,SA,SAF,SAZ) S
Shaft input helical worm gearbox

(9) SA (S,SF,SAF,SAZ)RY
Combined helical worm gearbox

(10) SA (S,SF,SAF,SAZ)SR
Shaft input combined helical worm gearbox

8.Product picture:

9.Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.

10.Customer visiting:

11.FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

If you are interested in our product, welcome you contact me.
Our team will support any need you might have.

Application: Motor, Machinery, Industry
Hardness: Hardened
Installation: Horizontal Type
Layout: Right Angle
Gear Shape: Helical Gear
Step: Double-Step
Customization:
Available

|

Customized Request

helical gearbox

Why Choose a Helical Gearbox?

Choosing a helical gearbox is an important decision for any machine builder. It can help you to reduce maintenance costs, improve productivity and efficiency, and ensure that your equipment operates quietly and efficiently. In addition, it can also be compact in size and easy to install.

High productivity and efficiency

Compared to spur gears, helical gears have high productivity and efficiency. This is due to the fact that the helical gearbox is more effective at transferring power between right-angle configurations. Helical gears are also quieter. They also have the ability to tolerate a greater load. These gears are usually used in high-load applications, such as automotive transmission applications.
The basic features of helical gears include a slanted tooth face, a larger contact ratio, and a smoother performance. Helical gears are also less expensive than spur gears. They have more power carrying capacity, longer life, and are easier to maintain.
There are many factors that affect the efficiency of helical gearboxes. Some of them include the number of stages, reduction ratio, ambient conditions, and lubrication. They are also affected by the number of teeth.
Power loss in helical gears is mainly due to friction and heat. There are various approaches to minimize these losses. One approach is to analyse power losses using a numerical method.
Other factors that affect the efficiency of helical systems include speed, noise, and the number of teeth. The amount of power lost in gear mating is dependent on the load.

Low power consumption

Compared to other types of gearboxes, helical gearboxes have low power consumption. This is because they can tolerate more load, conduct smooth performance, and are quieter. They also require less oil changes and have a longer life span.
Helical gears have special teeth that are cut at an angle. The teeth are designed to engage gradually, rather than quickly. They can transfer power between parallel configurations and right-angle configurations.
Helical gearboxes are the most widely used gearboxes. They are also the most efficient. They can work at 98% efficiency. However, they are more expensive than spur gears. They can be packaged with oil-filled housings. They have less noise and require less maintenance. They can operate cooler, and have more torque capacity.
Helical gearboxes have two types: single and double helical gears. In the single type, the gears are perpendicular to the axis. They are usually used in automotive transmission applications. They can also be used in forward velocities. In the double type, the helical faces are next to each other.
Helical gears work at higher ratios, which increases their efficiency. They are also less noisy than spur gears. They are a good choice for applications that require high torque capacity. The basic efficiency of helical gearboxes ranges from 90% to 99.5%. They are also easier to operate and have a longer life span. They are suited to a wide range of applications.helical gearbox

Compact in size

Having a shiny new set of wheels is a nice change of pace. You get to sit in style and you get to drive it like the pro. The trick is finding the right one at the right time. Fortunately, there are plenty of companies who know how to build a high quality car that can be afforded by the average Joe. You’ll find all types of cars from sports coupes to hatchbacks. You’ll also find all types of drivers from the young professional to the seasoned veteran. You’ll also find all types of roads from main streets to back roads. There are even all types of parking spaces to choose from. With a bit of planning and some research, you’ll find the perfect fit for you and your family. You can’t help but wonder why you didn’t choose a vehicle with this many perks sooner. It’s a nice way to spend a night on the town, without having to worry about a parking fee. The next time you’re in the mood to take the family out to the country for a weekend in the great bluffs, you’ll know which ones to avoid.

Noise-free operation

Compared to spur gears, helical gears have better speed capability and quieter operation. However, helical gearboxes often have problems that stop their service. These faults result in increased productivity costs. These problems include fatigue, chipping tip, crack and missing tooth.
In this paper, we propose a novel signal processing scheme to detect gearbox faults at constant speed. The method involves the use of spectral subtraction (SS) to remove the spectral noise of a signal. This approach is widely used in speech signal processing. It is also used to estimate real-time noise information. The method was successfully applied to the analysis of gearbox faults.
The spectral subtraction technique is applied to the transmission error and to the side-band frequency feature. The side-band frequency is equal to the rotation frequency of the input shaft. A square envelope spectrum method is used to obtain the spectral feature. It was then used to obtain the corresponding fault signal. The method is then compared with experimentally measured noise data.
It is also important to note that the side-band feature is not stable in different noise levels. The optimal demodulation subband selection method is not obvious. However, the proposed method can obtain a stable amplitude value when SNR is low.
Another important factor that reduces noise is the overlap ratio. The overlap ratio is the sum of the transverse contact ratio and the face contact ratio. When the overlap ratio approaches one, the noise is minimized.

Improved performance at high speeds

Whether used in an industrial, automotive or power generation application, helical gearboxes provide a number of benefits over traditional spur gearing systems. These advantages include reduced noise, higher load capacity and smoother operation.
In an effort to reduce noise and improve performance at high speeds, Parker engineers developed a helical gearbox that runs quieter and produces 30-40% more torque than a conventionally modified gear. They also redesigned the entry and exit points of the gear tooth for increased efficiency and strength.
The high-speed helical geartrain has been tested at 5,000 hp power. The tests were performed in the High-Speed Helical Geartrain Test Facility at the NASA Glenn Research Center. The tests were conducted at four different design configurations and at multiple input shaft speeds. These tests included temperature increases from inlet to outlet, fling off temperatures, and power loss of the helical system.
The first step was to improve load distribution of the gear pair. This is done by modifying the microgeometry of each gear. In addition to modifying the microgeometry of each tooth, the length of the contact line was extended. This resulted in a higher tooth contact ratio.
Another option is to modify the straddle-mounted pin of the PGS. This is a complicated task because of spatial constraints. In order to determine whether the pin will have the desired effect, it needs to be tested in real-world tests.helical gearbox

Reduce maintenance costs

Compared to spur gears, helical gears have several advantages, such as less noise and vibration, greater load carrying capacity, and longer life. They also have a reduced maintenance cost.
Helical gears can be divided into two main types: single helical and crossed axis helicals. In the single helical type, two or three teeth connect at all times.
In crossed axis helicals, the shafts are inclined at a variety of angles. These gears are primarily used in non-perpendicular transmissions. They can have very low load carrying capacity, but they offer better strength and speed reduction than spur gears.
The double helical type has two mirrored rows of teeth that are angled. This type of gear is also known as a herringbone gear. It’s a design that’s ideal for non-perpendicular transmissions.
Helical gears are packaged in oil filled housings. They are a space saving gear reducer. They are used in automobile transmissions and other forward speeds. They are also used in industrial gearboxes.
Helical gears can be made of either solid or semi-solid materials. They can be sliced into an arbitrary number of cross sections. This allows the helix to be adjusted to suit the application.
It’s important to choose the right gear for your application. The gear’s design may include the number of teeth, lubricant type, surface treatment, and the tooth angle. It’s also important to choose the right lubricant, because it can affect the noise levels and the efficiency of the gear.
China Professional Right Angle Shaft S Series Helical Worm Gear Box with Low Noise   helical coaxial gearboxChina Professional Right Angle Shaft S Series Helical Worm Gear Box with Low Noise   helical coaxial gearbox
editor by CX 2023-05-10

China OEM Right Angle Shaft S Series Helical Worm Gear Box with Low Noise helical gearbox design

Product Description

S Series Worm Helical Gear Box:
1.Technical data

Input power Ratio Input speed Torque Transmission stage Mounting type
0.18~22kW 9.96~244.74(MAX:4606) 1400rpm
900rpm
700rpm
90~4000N.m 2stage
3stage
Foot mounted
Flange mounted

2.Input power rating and permissible torque

Size 37 47 57 67 77 87 97
Structure S   SA   SF   SAF   SAT   SAZ
Input Power(kW) 0.18~0.75 0.18~1.5 0.18~3 0.25~5.5 0.55~7.5 0.75~15 1.5~22
Ratio 10.27~165.71 11.46~244.74 10.78~196.21 11.55~227.20 9.96~241.09 11.83~223.26 12.75~230.48
Permissible Torque(N.m) 90 170 300 520 1270 2280 4000

 
 
3.Gear unit weight

Size 37 47 57 67 77 87 97
Weight(kg) 7 10 14 26 50 100 170

 

4.Structures of S series gearbox

S series gear units are available in the following designs
S…Y… Foot-mounted parallel shaft helical gear units with solid shaft
SA…Y… Parallel shaft helical gear units with hollow shaft
SAZ…Y… Short-flange mounted parallel shaft helical gear units with hollow shaft
SF…Y… Flange-mounted parallel shaft helical gear units with solid shaft
SAT…Y… Flange-mounted parallel shaft helical gear units with hollow shaft
S(SF,SA,SAF,SAZ)S… Shaft input parallel shaft helical gear units
S(SF,SA,SAF,SAZ)…R…Y… Combinatorial parallel shaft helical gear units
S(SF,SA,SAF,SAZ)S…R… Shaft input combinatorial parallel shaft helical gear units

5.Field Gear Box’s Usage
1. Metallurgy 2 Mine 3 Machine 4 Energy 5 Transportation 6 Water Conserbancy 7 Tomacco 8 Pharmacy 9 Printing Package 10 Chemical industry…

6.Our services:

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

7.S series gearbox are available in the following designs:
(1) SY
Foot mounted helical worm gearbox with CZPT shaft

(2) SAY
Helical worm gearbox with hollow shaft

(3) SAZY
Small flange mounted helical worm gearbox with hollow shaft

(4) SA (S,SF,SAF,SAZ)Y
Assemble users’ motor or special motor, flange is required

(5) SFY
Flange mounted helical worm gearbox with CZPT shaft

(6) SAFY
Flange mounted helical worm gearbox with hollow shaft

(7) SATY
Torque arm mounted helical worm gearbox with hollow shaft

(8) S (SF,SA,SAF,SAZ) S
Shaft input helical worm gearbox

(9) SA (S,SF,SAF,SAZ)RY
Combined helical worm gearbox

(10) SA (S,SF,SAF,SAZ)SR
Shaft input combined helical worm gearbox

8.Product picture:

9.Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.

10.Customer visiting:

11.FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

If you are interested in our product, welcome you contact me.
Our team will support any need you might have.

Application: Motor, Machinery, Industry
Hardness: Hardened
Installation: Horizontal Type
Layout: Right Angle
Gear Shape: Helical Gear
Step: Double-Step
Customization:
Available

|

Customized Request

helical gearbox

Helical Gearbox

Generally, a helical gearbox consists of two gears. The two gears have cut teeth and are inserted into one another. These two gears work together to transmit torque and speed. This type of gearbox is used in a wide variety of applications.

Working principle

Besides being cheaper to make, helical gears have several advantages over straight-cut spur gears. Firstly, they offer a smoother operation, less vibration, and lower noise levels. They also transmit larger loads than spur gears. These gears are used in a variety of industries, such as food processing, plastic industries, and oil industries.
Another important feature of helical gears is the smooth and gradual engagement of teeth. This helps them function more smoothly, especially when working under heavy loads. This process reduces shock and backlash, and also reduces wear.
In addition to this, the helix angle is a variable that can be adjusted to suit the application. The angle is usually either left or right, and can vary based on the view.
Helical gears are usually used in enclosed gear drives, such as conveyors, blowers, and elevators. They offer a smoother operation, which makes them ideal for applications that require quiet operation. However, helical gears are less efficient at transmitting power than spur gears.
The relative contact stress (RCS) calculated for a helical gear is similar to that of a spur gear. However, the volume Vi, which is a helix-dependent quantity, is different. This volume is defined as the total volume of the helical pocket, calculated by integrating along the face width. The volume of a generic pocket is larger than that of a helical pocket without a helix.
In addition, the contact ratio is reduced. This is due to the fact that two teeth are not parallel to each other. A thick oil film prevents the teeth from making contact. This film also cools the gear tooth surfaces.
The service factor is a number that takes into account the conditions under which a gear is used. It is usually a ratio between the maximum torque and the torque produced.

Efficiency

During a recent gearbox measurement campaign, 13 commercial gearboxes were extensively tested. Efficiency was measured at nominal torque and power. The resulting efficiency maps presented in this paper show that the efficiency of each gearbox is fairly similar.
The efficiency of a gearbox depends on the gears’ teeth and the ratio between them. The lower the ratio, the higher the efficiency.
Efficiency is also affected by the load torque. The higher the load torque, the lower the efficiency. This is especially true for gearboxes with high ratios.
The power loss is also affected by the contact and overlap ratios. For gearboxes with high ratios, the difference between the efficiency of the catalog and model-based efficiency is greater than for low-ratio gearboxes. Fortunately, improvements in lubrication are closing this gap.
The helical gearbox is the most effective gearbox in the industry. It transfers motion between parallel configurations and has less noise than spur gears. These gears engage gently and smoothly, so they are less prone to wear and tear. They also allow for greater power carrying capacity.
Although helical gears are effective, they are more expensive than traditional gears. However, the cost savings can be significant over time. It is important to consider the advantages of a helical gearbox before choosing a gearbox for your application.
When comparing the efficiency of a helical gearbox to that of a worm gearbox, the worm gearbox is more efficient. However, the difference in efficiency is not as great as many other gearboxes.
The efficiency of a helical gearbox is also affected by the speed of the gears. The gearbox must have adequate lubrication for bearings. It is also important to consider the space requirements in the drive line.helical gearbox

Applications

helical gearbox applications are widespread and they are used in many industries. Some of the applications include the printing industry, the rubber industry, the plastics industry, the cement industry, the earth-moving industry, and the chemical industry.
helical gearboxes are also used for conveyors and elevators. They are very durable and they can carry larger loads. They are also quieter than straight cuts. They are also used in many automotive transmissions.
helical gearboxes transmit power between two parallel shafts. They are a good substitute for spur gears. They are compact and they reduce vibration and noise. They are also very durable and they can work in non-parallel shafts.
The most common application is in the automotive industry. Helical gearboxes are also used in other industries. They are very useful in elevators, conveyors, and other heavy industrial settings. They also provide a high level of speed reduction and they are commonly used in automation control systems. They are also used in the mining industry and the cement industry.
helical gearboxes can be fabricated with various modifications. This is important because some industries may require different gearboxes.
Helical gears have a higher number of teeth. This leads to less wear and tear. They are also less noisy than spur gears. Their ability to generate a large thrust force is what makes them ideal for high-speed applications. They are also able to distribute load among several axes. They are also used in high shock and vibration applications.
helical gearboxes work at a higher efficiency than spur gears. However, the manufacturing costs for helical gears are greater than for spur gears.
helical gearboxes also have the advantage of transferring power between right-angle shafts. They can work in conjunction with crossed axis gears, which eliminate shock loading.

Variations

Several variations of helical gearbox are available in the market for different industries. They are widely used in automobile transmissions and other industries. They are quieter than spur gears. They are also durable and are highly efficient. However, they can cause higher friction and wear.
Helical gears are made of teeth that twist around a cylindrical gear body at an angle. The angle at which the gear teeth are cut is called the helix angle. The helix angle can be adjusted to fit the gear and its surroundings.
The helix angle also determines how much axial force the gear produces. A larger helix angle will generate more axial force. This increase in axial force must be absorbed by the bearings. The pressure angle also has a direct impact on the normal force and curvature radii of the tooth.
Helical gears can be mounted in parallel or crossed configuration. Helical gears connected in parallel require the same pitch and pressure angle to work correctly. Helical gears connected in crossed configuration can operate more quietly and smoothly than spur gears. However, they can also be used to transmit higher torques.
Helical gears are also available in single and double helical designs. Single helical gears are produced with the same tools and equipment as spur gears. Unlike spur gears, single helical gears have more surface contact. They are also better for precision drives.
Double helical gears are also called herringbone gears. They are produced by cutting a groove between two teeth. They can eliminate axial forces and are also used to provide high load carrying capacity.
Helical gears are commonly used for low power transmission applications. They also provide an alternative for connecting parallel and non-parallel shafts. They are also used in high speed applications.helical gearbox

Tool tip radius

Among the many parameters that are used in a helical gearbox design, the tooth tip radius is probably the most important, albeit only because it is one of the least intuitive. The best way to estimate the diameter of a helical gear tooth is to use a tooth reference profile as the basis for the calculation. A similar procedure is used to calculate the helix angle. A tool tip that is too small will result in a tooth that undercuts, which is a problem if you have a gear that has a high number of teeth and you want to reduce the chance of tooth failure.
For the gear buffs, there are many helical gearbox tools and processes, the tip diameter being but one of them. Luckily for gear design geeks, there is a lot more to the helical gearbox than meets the eye. For example, a helical gear tooth is a three-dimensional surface, so its shape and function can be computed mathematically or numerically.
In addition to a tooth tip that flies by the seat of your pants, the helical gearbox is also the product of a manufacturing process. The main culprit is the profile shift, which is the distance between the gear pitch diameter and the datum line of the cutting tool. While a gear designer could choose to ignore this issue, it is often a design consideration for the benefit of maximizing contact ratios. This means that the gear teeth must be able to withstand the torque of their respective gear trains.
A helical gear is a geometric package, and the best way to package the gears is to minimize tooth bending strength while maximizing tooth bending stiffness. To do this, you must limit the thickness of your tooth tip. This is usually accomplished with a tooth profile that is shaped to match the tooth contour of the gear it is intended to replace.
China OEM Right Angle Shaft S Series Helical Worm Gear Box with Low Noise   helical gearbox designChina OEM Right Angle Shaft S Series Helical Worm Gear Box with Low Noise   helical gearbox design
editor by CX 2023-05-09

China high quality Kpc01-02-03-04 Helical Coxial Gearbox with Aluminum Housing helical bevel gearbox vs worm gear

Product Description

Product Description

KPC Series helical gearbox is a new generation product which designed basing on the modular system, It can be connected respectively with motors such as IEC standard motor, brake motor, explosion-proof motor, frequency motor, servo motor and so on. it has 4 types(),power from 0.12kw to 4.0kw, ratio from 3.66 to 58.09, Max torque from 120Nm to 500Nm.It can be connect discretionary(foot or flange) and use multi-mounting positions accordingly. This product is widely used in textile, foodstuff, beverage,tobacco, logistics industrial fields,etc.

        Product Characteristics

  1. Modular construction
  2. High efficiency
  3. Precise grinding, low noise
  4. Compact structural design
  5. Univeral mounting
  6. Aluminium housing, light in weight
  7. Carbonize and grinding hardened gears, durable
  8. Multi-structure, can be combined in different forms to meet various transmission condition

       Installation:
      1.Foot mounted
      2.Output Flange mounted
      3.B14 Flange mounted

      Models:
      1.KPC..P(Foot-mounted): KPC01P,KPC02P,KPC03P,KPC04P
      2.KPCF..P(Output Flange-mounted): KPCF01P,KPCF02P,KPCF03P,KPCF04P
      3.KPCZ..P(B14 Flange-mounted): KPCZ01P,KPCZ02P,KPCZ03P,KPCZ04P

Detailed Photos

Product Parameters

GEARBOX SELECTING TABLES  
KPC01..       n1=1400r/min       120Nm  
n2 M2max Fr2 i Proportion 63B5 71B5/B14 80B5/B14 90B5/B14  
[r/min] [Nm] [N]  
26 120 2600 53.33  160/3          
31 120 2600 45.89  413/9          
35 120 2600 40.10  3248/81          
39 120 2560 35.47  532/15          
49 120 2380 28.50  770/27          
59 120 2230 23.56  212/9          
71 120 2100 19.83  119/6          
78 90 2030 17.86  1357/76          
96 120 1900 14.62  658/45          
101 90 1860 13.80* 69/5          
118 120 1770 11.90  2464/207          
143 120 1660 9.81  1148/117          
153 80 1630 9.17  1219/133          
181 80 1540 7.72  1173/152          
246 70 1390 5.69  1081/190          
302 70 1290 4.63  88/19          
366 70 1210 3.82  943/247          
KPC02..       n1=1400r/min       200Nm  
n2 M2max Fr2 i Proportion 63B5 71B5/B14 80B5/B14 90B5/B14  
[r/min] [Nm] [N]  
26 200 4500 54.00* 54/1          
30 200 4500 46.46* 3717/80          
34 200 4500 40.60* 203/5          
39 200 4270 35.91* 3591/100          
48 200 3970 28.88* 231/8          
59 200 3730 23.85* 477/20          
70 200 3520 20.08* 3213/160          
82 140 3330 17.10  3009/176          
95 200 3180 14.81* 2961/200          
106 140 3060 13.21  2907/220          
116 200 2970 12.05  1386/115          
141 200 2780 9.93  2583/260          
159 120 2670 8.78  2703/308          
189 120 2520 7.39  2601/352          
257 100 2280 5.45  2397/440          
316 100 2120 4.43  102/23          
383 80 1990 3.66  2091/572          
KPC03..       n1=1400r/min         300Nm
n2 M2max Fr2 i Proportion 71B5/B14 80B5/B14 90B5/B14 100B5/B14 112B5/B14
[r/min] [Nm] [N]
24 300 6000 58.09  639/11          
28 300 6000 50.02  2201/44          
32 300 6000 43.75  4331/99          
36 300 6000 38.73  426/11          
40 300 5860 34.62  4189/121          
49 300 5480 28.30  4047/143          
64 280 5571 21.78  1917/88          
81 280 4660 17.33  3621/209          
93 260 4440 15.06  497/33          
113 260 4160 12.37  1633/132          
136 240 3910 10.28  3053/297          
177 180 3590 7.93  1269/160          
222 180 3320 6.31  2397/380          
255 150 3170 5.48  329/60          
311 150 2970 4.50  1081/240          
374 150 2790 3.74  2571/540          
KPC04..       n1=1400r/min       500Nm  
n2 M2max Fr2 i Proportion 80B5/B14 90B5/B14 100B5/B14 112B5/B14  
[r/min] [Nm] [N]
24 500 8000 58.09  639/11          
28 500 8000 50.02  2201/44          
32 500 8000 43.75  4331/99          
36 500 8000 38.73  426/11          
40 500 7950 34.62  4189/121          
49 500 7430 28.30  4047/143          
64 480 6810 21.78  1917/88          
81 480 6310 17.33  3621/209          
93 460 6571 15.06  497/33          
113 460 5640 12.37  1633/132          
136 440 5300 10.28  3053/297          
177 260 4860 7.93  1269/160          
222 260 4510 6.31  2397/380          
255 230 4300 5.48  329/60          
311 230 4030 4.50  1081/240          
374 200 3780 3.74 2571/540          

Outline Dimension:

Company Profile

About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is  full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

We can dispatch goods by sea, by train, by air according to customer instruction

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.

2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.

3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.

4.Q:What’s your production capacity?
   A:8000-9000 PCS/MONTH

5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost

6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Double-Step
Samples:
US$ 45/Piece
1 Piece(Min.Order)

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Customization:
Available

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Customized Request

helical gearbox

Helical Gearbox

Depending on the helical gearbox, it can be either Crossed-axis or Inline. Basically, helical gearboxes are composed of a set of toothed gears that mesh with other toothed parts to transmit torque and speed to other parts of the machine.

Right angle helical gearboxes

Choosing the right angle gearbox can be difficult. This is because the design and specifications will depend on the type of application. The right gearbox can make or break the efficiency of the system. For example, a right angle gearbox will need to be corrosion resistant if it is used in a washdown application. It may also require special grease for use in cold temperatures.
There are many different types of right angle gearboxes. The types include worm, hypoid, and spiral bevel gearboxes. The most common are worm gearboxes. These are a great option for applications that need high torque and power. However, they are not as efficient as spur gears.
Helical gearboxes are ideal for heavy-duty industrial applications such as conveyors, blowers, and elevators. They are quiet and have better speed capabilities than spur gears. They can handle larger loads because of their gradual engagement. They are also capable of adjusting the rotation angle by 90 degrees. They are also more efficient at high speeds.
Spiral bevel gearboxes require more precision to manufacture. They are also more expensive to produce. This is because the teeth need to be drilled and shaped to fit the shafts. The gearbox needs to be designed with tight tolerances and requires basic lubrication. Its operating cycle is long.
Helical gearboxes can be used in conjunction with other gearboxes. For example, the output shaft may be a hollow shaft, or it may be designed with dual counter-rotating shafts. They can also be designed to operate in either a clockwise or counter-clockwise direction.
Right angle gearboxes are ideal for high-speed applications. They require less maintenance than other industrial components. They may require corrosion resistant plating or stainless steel shafts. If you are considering a right angle gearbox, check with a distributor to see what types of products are available. A representative will be able to help you with installation. They may also offer custom gearbox solutions to fit your needs.
A gearbox is made up of four main components. These components include the input shaft, the output shaft, the gear, and the backlash.

Crossed-axis helical gears

Normally, helical gearboxes are used to increase torque between two rotating shafts. Compared to other types of gearboxes, helical gearboxes offer greater speed and power carrying capacity. They are also quieter and smoother in operation. These gearboxes are used in many industries such as food processing, plastic, rubber, and oil industries. These gears also have the advantage of being cheaper than spur gears.
These gears are designed with special teeth that are positioned at an angle to the face of the gear. As they rotate, the teeth engage gradually. They have longer teeth, which allow them to carry heavy loads. The contact area also increases as the gears rotate.
A cross axis helical gearbox is one of the most common types of gearboxes. This gearbox has an advantage over spur gears, since it uses bearings to support the thrust load. It can also adjust the rotation angle by 90 degrees. These gearboxes are typically used to drive automobile oil pump/distribution shafts. They are also used to drive blowers. They have a large thrust force.
The cross axis helical gearbox has the advantage of using bearings to support the thrust load. However, it also has the disadvantage of using a large amount of bearings. In addition, these gears are not suitable for speed reduction beyond 1:2.
Thermoplastic crossed axis helical gears are a convenient solution for high volume applications. These gears are self-locking and offer high torque. These gears are also very durable. They are also available in a variety of configurations and sizes. They are used in a wide range of industries, including the textile industry. The output torque of these gears is also very high.
Crossed helical gears are also used to transmit motion and power between perpendicular but non-intersecting shafts. To achieve this, two mating helical gears must have the same helix angle, pressure angle, and normal pitch. They should also be mounted on perpendicular but non-intersecting, parallel shafts.
To calculate the real radial pitch of a gear, the angle of cut is measured. The gear teeth are then cut at an angle to the face of the gear. The helix angle is also measured.helical gearbox

Inline helical gears

Unlike spur gears, helical gears have a large surface contact and are characterized by low noise and large torque. Moreover, helical gears also have a high degree of meshing performance. They are also compact and durable.
As the name suggests, helical gears are produced using hard steel teeth. They are also hobbed to ensure smooth running and accurate surface finish. In addition, all gearing is ground for increased efficiency.
Inline helical gearboxes are used in a number of applications, including waste water systems and in solvent extraction. They are also used in industries like power plants and food & tobacco. They have good efficiency and are low in cost. They also have interchangeability and high durability. They can be installed in a single piece aluminum alloy housing. They can also be foot mounted or flange mounted. They are available in single stage and three stage constructions.
Helical gearboxes are typically used in high-load applications, such as in cement and waste water systems. They are also suitable for industrial applications, including in manufacturing. They are also used in applications where there is a large speed variation range. They are suitable for a wide temperature range, from -10 degC to 40 degC.
A helical gearbox has a high degree of interchangeability, and can be installed with a wide range of motors. They are also available in flame proof versions. They can also be supplied with an integrated output flange. They have standard IEC inputs, making them easy to install and operate. They also have a removable inspection cover, which allows periodic inspection of gearing. They can also be supplied with integral mounting bases.
The transmission ratio of helical gearboxes is finely graded to meet different working conditions. They also have an output torque that ranges from 1.4-250. They are also available in a modular model, which allows them to be produced in an economical manner. They can also be installed with a standard IEC input, which makes them easy to fit with any IEC motor. They also have a permanent nameplate, which indicates the ratio and the output torque.helical gearbox

Helix angle

Using a helical gearbox is a more economical and efficient way of creating a gearbox. It is also beneficial for production because it allows for more interchangeable components. It can also be used in the oil and plastic industries. It has advantages over conventional gears because it runs quieter.
The helical gearbox is a type of gearbox that uses a helical cut on the teeth of the gears. It carries more surface contact than conventional gears, which increases the power carrying capacity. It is also more durable and quieter than conventional gears.
The helical gearbox is generally used in enclosed gear systems because it allows for higher tooth overlap and smoother performance. It also eliminates thrust forces. The helical gearbox can be made of two helical sections that are close together. It is common to use double helical gearboxes in enclosed gear systems. The gears can be ground and hardened.
The radial pitch of helical gears is about eight millimeters. In the helical gearbox, the radial pitch of the gears is the same as the pitch of the spur gears. Using the same tooth cutting tools, it is possible to make helical gears more economically.
The pitch of the helical gearbox will vary with the helix angle. Typically, the helix angle is between 15 and 30 degrees. The pitch will also change with the number of teeth in the spur gear. The pitch will increase when the number of teeth increases.
The pitch is also affected by the pressure angle of the tooth. The pressure angle affects the normal force and curvature radii. The length of the helical gear contact line decreases as the pressure angle increases. This can also be seen when considering contact on the tooth surface. The helix angle is also important when calculating the forces between the helical gears.
It is important to understand that helical gears generate axial forces within the gear-mesh. These forces need to be supported by bearings. They also generate heat. This heat is also detrimental to the efficiency of the gear. It can also cause power loss.
China high quality Kpc01-02-03-04 Helical Coxial Gearbox with Aluminum Housing   helical bevel gearbox vs worm gearChina high quality Kpc01-02-03-04 Helical Coxial Gearbox with Aluminum Housing   helical bevel gearbox vs worm gear
editor by CX 2023-04-26

China factory SA97 Worm Helical Gear Box helical gears advantages and disadvantages

Product Description

Features of S series reducer

The same model can be equipped with motors of various powers. It is easy to realize the combination and connection between various models.
The transmission efficiency is high, and the single reducer efficiency is up to 96%. three
The transmission ratio is subdivided and the range is wide. The combined model can form a large transmission ratio and low output speed.
The installation forms are various, and can be installed with any foot, B5 flange or B4 flange. The foot mounting reducer has 2 machined foot mounting planes.
Helical gear and worm gear combination, compact structure, large reduction ratio.
Installation mode: foot installation, hollow shaft installation, flange installation, torque arm installation, small flange installation.
Input mode: motor direct connection, motor belt connection or input shaft, connection flange input.
Average efficiency: reduction ratio 7.5-69.39 is 77%; 70.43-288 is 62%; The S/R combination is 57%.

Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 300/Piece
1 Piece(Min.Order)

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Request Sample

helical gearbox

Advantages of a Helical Gearbox

Usually helical gearboxes are used for industrial purposes. They are usually found in power generation units, where the input of energy is converted into output. There are several different types of helical gearboxes, including spiral and herringbone. You should familiarize yourself with the different types before choosing one for your project.

Helix angle

Generally, the angle between a gear tooth and its shaft axis is called the helix angle. This angle is important in motion conversion and power transfer. It is not to be confused with the lead angle, which is used to reference a line perpendicular to the axis of the gear.
The helical gearbox is used in several industrial applications. The oil and sugar industries, blowers, and feeders are among those that utilize helical gears. They are smoother than spur gears, and they also have quieter operation.
Helical gearboxes can be made modularly. This allows for more economical construction and interchangeability of components. These gearboxes are also used in enclosed gear systems. In a helical gearbox, each section of the box must stagger in a different direction. This helps in maintaining the integrity of the component.
Helical gears can be used in applications that require a high degree of quality control. This is necessary to minimize the effects of wear and tear. The use of extreme pressure lubricants is recommended for helical gears that operate at right angles. However, these are not recommended for bronze gears.
Besides the helix angle, the contact ratio also affects the performance of the gear. The more surface contact between the teeth, the greater the sliding. The heat produced is also detrimental to performance. It is necessary to use a lubricant that will reduce friction between the tooth surfaces. Proper lubrication reduces wear and minimizes heat.
When determining the optimum helix angle for a gear, it is important to consider the diameter of the gear. Helical gears have a minimum helix angle of 15 to 30 degrees. A higher helix angle increases the axial force generated by the gear, and a lower helix angle increases the contact stress.

Spiral gears

Using spiral gears in a helical gearbox offers several advantages, including smoothness and quiet operation. In addition, helical gearboxes are highly effective and can tolerate more load. Spiral gears are also more cost effective. However, they are more difficult to produce.
Helical gears are similar to spur gears in that they have teeth at an angle. However, the helix angle of the teeth in a helical gear is not fixed. This angle affects the position of the tooth’s contact with the mating gear. It also affects the normal force of the teeth.
The helix angle of the gear’s teeth is also dependent on the direction of rotation of the gear. For example, a spiral gear with a helix angle of 15 degrees is usually perpendicular to the axis of the gear. Similarly, a helical gear with a helix angle of 30 degrees is usually oblique to the axis of the gear.
Helical gears also provide a method for connecting shafts that are not parallel. These gears are usually used in industries such as conveyors, food industries, plastic industries, and oil industries. The main advantage of helical gears is that they are smoother than spur gears. However, the downside is higher wear and friction.
Helical gears are also used to transmit motion between parallel shafts. Helical gears are also used in high-load applications. This makes them a good choice for heavy-duty applications.
Helical gears are also superior to spur gears in load carrying capacity. Helical gears are smoother and quieter than spur gears. However, they also have a higher friction factor. In addition, they require special hobbing cutters.
Helical gears can also be classified according to their reference section in the standard plane. The center gap of helical gears with a reference section in the turning plane is the same as that of spur gears.helical gearbox

Herringbone gears

Among the different types of gearboxes, the helical gearbox is one of the most common. It is widely used in industrial applications, such as geared motors, worm gearboxes, and planetary gear trains.
A helical gear is a directional gear with a vertical axis. Its unique feature is the helix angle, which is the angle of the helix on the indexing cylindrical surface. The helix angle is set to a value of eight to fifteen degrees in design. The real radial pitch, which is the pitch of the gear when it rotates clockwise, varies with the helix angle.
Helical gears are classified according to the reference section in the turning and standard planes. Helical gears with a reference section in the standard plane have the same number of teeth as spur gears. On the other hand, helical gears with a reference section in a turning plane have the same center gap as spur gears.
The main advantage of helical gears is the high power-to-weight ratio. Aside from that, they are compact and have good meshing performance.
Another advantage is their high torque carrying capacity. This can be achieved by increasing the helix angle. The larger the helix angle, the smoother the gear’s motion. Moreover, the larger the helix angle, the larger the coincidence degree. This is useful in applications with high shock and vibration.
The production process for herringbone gears is more difficult and expensive than the other types. It is difficult to cut and shape herringbone gears. A simple gear hobbing machine is not suitable for this type of gear. However, the milling process can be used to process some herringbone gears.
Some of the problems related to herringbone gears are a lack of axial load, high friction and the interference of axial component forces. The meshing of teeth in herringbone gears can help reduce these problems.

Noise, vibration & harshness (NVH) characteristics

NVH testing is an important aspect of new driveline product development. It is typically performed during passenger car development, and is used for quality assurance of exterior and interior noise. This is an important topic in hybrid vehicles and electric vehicles, and continues to grow as the automotive industry expands.
A typical NVH test involves a rolling road dynamometer and signals are recorded and stored on a hard disk. These are then processed to produce variation distributions. Among other things, a lumped parameter system dynamics model was developed to run large size DOE studies efficiently.
Among the many components in the NVH chain, the bevel gear plays a major role in the final drive. Its characteristics are complex and time-varying, but they are important enough to be studied.
A new bevel gear OTE calculation method will be discussed in this paper. It is important to note that the NVH performance of an electric drive helical gear transmission system can be improved by thermal deformation of the bearing. It is also possible to achieve robust NVH performance in aluminum axle design by optimizing gear design, bearing optimization, and driveline system dynamics.
The gear train also has some lesser-known NVH performance characteristics. It is known that a gear train is an excitation source, and this is the topic of another study. It is also important to note that a helical gear system will exhibit non-linear behaviors when it changes working speed.helical gearbox

Applications

Compared to spur gears, helical gears offer greater load carrying capacity and smoother operation. They are also quieter, as the gears have larger teeth. These are the main reasons for their widespread use.
The main difference between helical gears and spur gears is the way teeth are cut. Teeth in helical gears are cut at an angle, in order to allow more teeth to interact in the same direction. This reduces shock loads and vibration. Helical gears are also much more durable than spur gears.
Helical gears can be used in a variety of applications. They are often chosen over spur gears for applications that require non-parallel shafts. They are also popular in the printing industry, the plastics industry, and the cement industry. They can also be used in conveyors and coolers.
Helical gears are made of a material that provides excellent durability, corrosion resistance, and a strong working load. They are also less expensive to produce. They are attached to a shaft using a press fit or adhesive. The attachment method can be a hub or an integral shaft.
Helical gears are also produced in a radial module form. This is the most economical option. This allows helical gears to be manufactured in a compact format. It also ensures that the bearing positioning requirements are met.
Helical gears are also produced with special grinding stones. These are needed for every helix angle. The helix angle determines the real radial pitch. This also affects the normal force of the tooth.
When mating helical gears to parallel shafts, they are right-handed. These gears can be made with a normal module set or by using special hobbing tools.
China factory SA97 Worm Helical Gear Box   helical gears advantages and disadvantagesChina factory SA97 Worm Helical Gear Box   helical gears advantages and disadvantages
editor by CX 2023-04-24