Tag Archives: helical reduction gearbox

China Good quality F Series Parallel Shaft Electric Motor Gearbox for Screw Conveyor double reduction helical gearbox

Product Description

F Series Parallel Shaft Electric Motor Gearbox for Screw Conveyor

Components:
1. Housing: Cast Iron
2. Gears: Hardened Helical Gears
3. Input Configurations:
Equipped with Electric Motors
Solid Shaft Input
IEC-normalized Motor Flange
4. Applicable Motors:
Single Phase AC Motor, Three Phase AC Motor
Brake Motors
Inverter Motors
Multi-speed Motors
Explosion-proof Motor
Roller Motor
5. Output Configurations:
Solid Shaft Output
Hollow Shaft Output

Models:
F Series – Foot-mounted, CZPT shaft output
FAB Series – Foot-mounted, hollow shaft output
FA Series – Keyed hollow shaft output
FF Series – B5 Flange-mounted, CZPT shaft output
FAF Series – B5 Flange-mounted, hollow shaft output
FAZ Series – B14 Flange-mounted, hollow shaft output
FAT Series – Hollow shaft output, torque arm
FH, FHB, FHF, FHZ Series – Hollow shaft output, shrink disk
FV, FVB, FVF, FVZ Series – Hollow shaft output, splined hollow shaft
F(FA, FF, FAF, FAB, FAZ)S Series – CZPT shaft input

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)

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

Installation:
Foot-mounted
B5 Flange-mounted
B14 Flange-mounted
Shaft-mounted
Lubrication:
Oil-bath and Splash Lubrication
Cooling:
Natural Cooling

Packing & Delivery:

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.

Customer visiting:

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.

FAQ:

If you have specific parameters and requirement for our gearbox, customization is available.

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Parallel
Gear Shape: Helical Gear
Step: Double-Step
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 Good quality F Series Parallel Shaft Electric Motor Gearbox for Screw Conveyor   double reduction helical gearboxChina Good quality F Series Parallel Shaft Electric Motor Gearbox for Screw Conveyor   double reduction helical gearbox
editor by CX 2023-11-09

China 1 30 ratio reduction gearbox F series coaxial helical electric gear motor with Hot selling

Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, CZPT engine EFI 1500cc go kart 80kw 4×4 off-road buggy with Built-in airbag Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company
Gearing Arrangement: Helical
Output Torque: 2.6-1195N,M
Input Speed: 1450 Rpm, 1500rpm
Output Speed: 14-280rpm
Brand: WANSHSIN
Product name: R series helical gear motor
Material: Cast Iron
Power: 0.12 KW- 18.55KW
Ratio: 2-14767
Output torque: 56 N.M -9070 N.M
Output speed: 56 N.M -9070 N.M
Safety factor: 1.3
Packing: Carton Box
Packaging Details: 1 pc/ carton
Port: FOB SHENGZHENG

1 30 ratio reduction gearbox F series coaxial helical electric gear motor

Size R37 R57 R77 R87 R107
Ratio 3.41-134.82 4.39-782 5.31-1430 5.3-2873 6.66-7583
Power 0.12KW-3KW 0.12KW-7.5KW 0.12KW-11KW 0.12KW-18.5KW 0.12KW-18.5KW
Output torque 30-205N.M 40-400N.M 50-795N.M 50-1610N.M 80-4870N.M
Output speed(RPM) 0.1-821RPM 0.1-660RPM 0.1-795RPM 0.1-276RPM 0.1-220RPM

Company Information
WANSHSIN SEIKOU (ZheJiang ) CO., LTD. ( (hereafter referred to as “WANSHSIN”) is professional gear motor manufacturer integrates R&D, Valentines Day Gift Women Men Friendship Stainless Steel Black Silver Plated Custom Pinky Swear Engraved Promise Ring For Couple production ,sales and service. CZPT mainly manufactures high-precision gear motors which are widely used in robots, machine tools, CZPT garages and other industrial automation. As a gear motor manufacturer and complete intelligent automation solutions provider, CZPT introduced advanced import processing equipment, adopted advanced technology, to meet the strict high quality requirement for CZPT customers. All efforts made CZPT a reputable and high quality brand in domestic gear motor industry. CZPT occupies 15,000 Square CZPT and with 560 employees, with R&D office in Japan. CZPT has more than 300 advanced production equipment imported from China and abroad, and its fixed assets of the equipment reaches more than USD1.5 million. The annual production capacity is about 500, China Factory Outlet Spur Gear Reducer Soft Spur Gear Reducer Worm Gear Speed Reducer 000 sets of gear motors.

Exhibition
FAQ Q: What should I provide when I choose gearbox/speed reducer?A: The best way is to provide the motor drawing with parameter. Our engineer will check and recommend the most suitable gearbox model for your refer. Or you can also provide below specification as well:1) Type, model and torque.2) Ratio or output speed3) Working condition and connection method4) Quality and installed machine name5) Input mode and input speed6) Motor brand model or flange and motor shaft size

gearbox

Choosing a Gearbox For Your Application

The gearbox is an essential part of bicycles. It is used for several purposes, including speed and force. A gearbox is used to achieve one or both of these goals, but there is always a trade-off. Increasing speed increases wheel speed and forces on the wheels. Similarly, increasing pedal force increases the force on the wheels. This makes it easier for cyclists to accelerate their bicycles. However, this compromise makes the gearbox less efficient than an ideal one.

Dimensions

Gearboxes come in different sizes, so the size of your unit depends on the number of stages. Using a chart to determine how many stages are required will help you determine the dimensions of your unit. The ratios of individual stages are normally greater at the top and get smaller as you get closer to the last reduction. This information is important when choosing the right gearbox for your application. However, the dimensions of your gearbox do not have to be exact. Some manufacturers have guides that outline the required dimensions.
The service factor of a gearbox is a combination of the required reliability, the actual service condition, and the load that the gearbox will endure. It can range from 1.0 to 1.4. If the service factor of a gearbox is 1.0, it means that the unit has just enough capacity to meet your needs, but any extra requirements could cause the unit to fail or overheat. However, service factors of 1.4 are generally sufficient for most industrial applications, since they indicate that a gearbox can withstand 1.4 times its application requirement.
Different sizes also have different shapes. Some types are concentric, while others are parallel or at a right angle. The fourth type of gearbox is called shaft mount and is used when mounting the gearbox by foot is impossible. We will discuss the different mounting positions later. In the meantime, keep these dimensions in mind when choosing a gearbox for your application. If you have space constraints, a concentric gearbox is usually your best option.

Construction

The design and construction of a gearbox entails the integration of various components into a single structure. The components of a gearbox must have sufficient rigidity and adequate vibration damping properties. The design guidelines note the approximate values for the components and recommend the production method. Empirical formulas were used to determine the dimensions of the various components. It was found that these methods can simplify the design process. These methods are also used to calculate the angular and axial displacements of the components of the gearbox.
In this project, we used a 3D modeling software called SOLIDWORKS to create a 3-D model of a gear reducer. We used this software to simulate the structure of the gearbox, and it has powerful design automation tools. Although the gear reducer and housing are separate parts, we model them as a single body. To save time, we also removed the auxiliary elements, such as oil inlets and oil level indicators, from the 3D model.
Our method is based on parameter-optimized deep neural networks (DBNs). This model has both supervised and unsupervised learning capabilities, allowing it to be self-adaptive. This method is superior to traditional methods, which have poor self-adaptive feature extraction and shallow network generalization. Our algorithm is able to recognize faults in different states of the gearbox using its vibration signal. We have tested our model on two gearboxes.
With the help of advanced material science technologies, we can now manufacture the housing for the gearbox using high-quality steel and aluminium alloys. In addition, advanced telematics systems have increased the response time of manufacturers. These technologies are expected to create tremendous opportunities in the coming years and fuel the growth of the gearbox housing market. There are many different ways to construct a gearbox, and these techniques are highly customizable. In this study, we will consider the design and construction of various gearbox types, as well as their components.
gearbox

Working

A gearbox is a mechanical device that transmits power from one gear to another. The different types of gears are called planetary gears and are used in a variety of applications. Depending on the type of gearbox, it may be concentric, parallel, or at a right angle. The fourth type of gearbox is a shaft mount. The shaft mount type is used in applications that cannot be mounted by foot. The various mounting positions will be discussed later.
Many design guidelines recommend a service factor of 1.0, which needs to be adjusted based on actual service conditions. This factor is the combined measure of external load, required reliability, and overall gearbox life. In general, published service factors are the minimum requirements for a particular application, but a higher value is necessary for severe loading. This calculation is also recommended for high-speed gearboxes. However, the service factor should not be a sole determining factor in the selection process.
The second gear of a pair of gears has more teeth than the first gear. It also turns slower, but with greater torque. The second gear always turns in the opposite direction. The animation demonstrates this change in direction. A gearbox can also have more than one pair of gears, and a first gear may be used for the reverse. When a gear is shifted from one position to another, the second gear is engaged and the first gear is engaged again.
Another term used to describe a gearbox is “gear box.” This term is an interchangeable term for different mechanical units containing gears. Gearboxes are commonly used to alter speed and torque in various applications. Hence, understanding the gearbox and its parts is essential to maintaining your car’s performance. If you want to extend the life of your vehicle, be sure to check the gearbox’s efficiency. The better its functioning, the less likely it is to fail.

Advantages

Automatic transmission boxes are almost identical to mechanical transmission boxes, but they also have an electronic component that determines the comfort of the driver. Automatic transmission boxes use special blocks to manage shifts effectively and take into account information from other systems, as well as the driver’s input. This ensures accuracy and positioning. The following are a few gearbox advantages:
A gearbox creates a small amount of drag when pedaling, but this drag is offset by the increased effort to climb. The external derailleur system is more efficient when adjusted for friction, but it does not create as little drag in dry conditions. The internal gearbox allows engineers to tune the shifting system to minimize braking issues, pedal kickback, and chain growth. As a result, an internal gearbox is a great choice for bikes with high-performance components.
Helical gearboxes offer some advantages, including a low noise level and lower vibration. They are also highly durable and reliable. They can be extended in modular fashion, which makes them more expensive. Gearboxes are best for applications involving heavy loads. Alternatively, you can opt for a gearbox with multiple teeth. A helical gearbox is more durable and robust, but it is also more expensive. However, the benefits far outweigh the disadvantages.
A gearbox with a manual transmission is often more energy-efficient than one with an automatic transmission. Moreover, these cars typically have lower fuel consumption and higher emissions than their automatic counterparts. In addition, the driver does not have to worry about the brakes wearing out quickly. Another advantage of a manual transmission is its affordability. A manual transmission is often available at a lower cost than its automatic counterpart, and repairs and interventions are easier and less costly. And if you have a mechanical problem with the gearbox, you can control the fuel consumption of your vehicle with appropriate driving habits.
gearbox

Application

While choosing a gearbox for a specific application, the customer should consider the load on the output shaft. High impact loads will wear out gear teeth and shaft bearings, requiring higher service factors. Other factors to consider are the size and style of the output shaft and the environment. Detailed information on these factors will help the customer choose the best gearbox. Several sizing programs are available to determine the most appropriate gearbox for a specific application.
The sizing of a gearbox depends on its input speed, torque, and the motor shaft diameter. The input speed must not exceed the required gearbox’s rating, as high speeds can cause premature seal wear. A low-backlash gearbox may be sufficient for a particular application. Using an output mechanism of the correct size may help increase the input speed. However, this is not recommended for all applications. To choose the right gearbox, check the manufacturer’s warranty and contact customer service representatives.
Different gearboxes have different strengths and weaknesses. A standard gearbox should be durable and flexible, but it must also be able to transfer torque efficiently. There are various types of gears, including open gearing, helical gears, and spur gears. Some of the types of gears can be used to power large industrial machines. For example, the most popular type of gearbox is the planetary drive gearbox. These are used in material handling equipment, conveyor systems, power plants, plastics, and mining. Gearboxes can be used for high-speed applications, such as conveyors, crushers, and moving monorail systems.
Service factors determine the life of a gearbox. Often, manufacturers recommend a service factor of 1.0. However, the actual value may be higher or lower than that. It is often useful to consider the service factor when choosing a gearbox for a particular application. A service factor of 1.4 means that the gearbox can handle 1.4 times the load required. For example, a 1,000-inch-pound gearbox would need a 1,400-inch-pound gearbox. Service factors can be adjusted to suit different applications and conditions.

China 1 30 ratio reduction gearbox F series coaxial helical electric gear motor     with Hot selling		China 1 30 ratio reduction gearbox F series coaxial helical electric gear motor     with Hot selling
editor by Cx 2023-07-11

China Standard High Precision Inline Transmission Helical Gearbox for Speed Reduction helical gearbox assembly

Product Description

TRC 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 11kw, ratio from 3.66 to 58.78, Max torque from 120Nm to 1550Nm.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.

       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

      Model : TRC01 ,TRC02 ,TRC03 ,TRC04

Product  Iine :

Testing Room :

Certificates :

Packing & Logistics :

Company View :

Exhibition :

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:30000 PCS/MONTH

5.Q:Do you have any certificate?
   A:Yes, we have CE certificate 

 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 45/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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 Standard High Precision Inline Transmission Helical Gearbox for Speed Reduction   helical gearbox assemblyChina Standard High Precision Inline Transmission Helical Gearbox for Speed Reduction   helical gearbox assembly
editor by CX 2023-06-01

China Professional K Series Helical Bevel Motor Gearbox Reduction for Belt Drive Supplier helical gears are used as transmission components

Product Description

 

Product Description

 

Product Description

-K Series Helical Bevel Gearbox

Product Features
1. Input mode: Coupled motor, belted motor, input shaft or connection flange.
2. Output: Right angle
3. Compact structure. Rigid tooth face. Carrying greater torque, high loading capacity.
4.High precision gear, ensuring the unit to operate stably, smooth transmission.
5. Low noise, long lifespan. Large overlap coefficient, abrasion resistant.

 

Product Parameters

1. Technical data

Size 38 48 58 68 78 88 98 108 128 158 168 188
Structure K      KA           KF          KAF        KAZ          KAT           KAB                        
Input power rating(kw) 0.18~3 0.18~3 0.18~5.5 0.18~5.5 0.37~11 0.75~22 1.3~30 3~45 7.5~90 11~160 11~200 18.5~200
Ratio 5.36~
106.38
5.81~
131.87
6.57~
145.15
7.14~4
4.79
7.22~
192.18
7.19~
197.27
8.95~
175.47
8.74~
141.93
8.68~
146.07
12.66~
150.03
17.35~
164.44
17.97~
178.37
Maximum Torque(N.m) 200 400 600 820 1550 2770 4300 8000 13000 18000 32000 50000
Weight 11 20 27 33 57 85 130 250 380 610 1015 1700

2: Design option
 

K series gear units are available in the following designs
KAZ..Y.. Short-flange-mounted helical-bevel gear units with hollow shaft
K…Y… Foot-mounted helical-bevel gear units with CZPT shaft
KAT…Y… Torque-arm-mounted helical-bevel gear units with hollow shaft
KAB…Y… Foot-mounted helical-bevel gear units with hollow shaft
K(KF,KA,KAF,KAB,KAZ)S… Shaft input helical-bevel gear units
KA…Y… Helical-bevel gear units with hollow shaft
KA(K, KF ,KAF, KAB ,KAZ)R..Y… Combinatorial helical-bevel gear units
KF…Y… Flange-mounted helical-bevel gear units with CZPT shaft
KA(K, KF ,KAF ,KAZ)S…R… Shaft input combinatorial helical-bevel gear units
KAF…Y… Flange-mounted helical-bevel gear units with hollow shaft
KA(K, KF ,KAF, KAB ,KAZ)…Y… When equipping the user’s motor or the special 1 ,the flange is required to be connected

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

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

 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Three-Step
Samples:
US$ 90/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

helical gearbox

What Is a Helical Gearbox?

Generally, the gear is a rotating circular machine part, and its purpose is to transmit speed and torque. It works by meshing with other toothed parts. This type of gear is made up of cut teeth, inserted teeth, and gear teeth.

Helix angle

Typical helical gearbox angle ranges from 15 to 30 degrees. It is commonly used in worm gears and screws. The angle is important in motion conversion and power transfer.
Helical gearboxes are suitable for high load applications. Because the teeth engage more gradually, helical gearboxes require bearings that can manage axial loading. In fact, the forces produced by helical gears are much less than those of spur gears. Moreover, helical gearboxes are often less efficient.
There are two basic gear systems: the spur gear system and the helical gear system. These systems are similar in their basic functions. However, they are distinguished by a number of important differences. The spur gear system produces thrust forces, while the helical gear system transmits energy through two axial configurations. Both systems operate at speeds of around 50m/s.
Spur gears have a common pitch, whereas helical gears have a different pitch. The pitch of helical gears changes as the helix angle changes. This leads to a difference in the diameter of the gear and the hobs. This changes the radial module system pitch and increases the manufacturing costs.
The normal pressure angle is the angle of the load line into the plane normal to the tooth axis. This angle is sometimes called the reference value.
Helical gears are available in both left-hand and right-hand configurations. Helical gears are typically characterized by quiet operation and higher power carrying capacity. They are also appreciated for their NVH characteristics. They are used in the oil, food, and plastic industries. They also have a higher efficiency than zero-helix angle gears.

Efficiency

Using helical gears in a gearbox provides several benefits. They are more efficient, quieter and better able to handle high load cases. However, they are also more expensive than classic gears.
The efficiency of a helical gearbox is calculated by measuring the efficiency of the entire working area. This is measured using a predefined measuring grid. The result is presented by an efficiency contour map. It shows that efficiency is not uniform in the working area.
This is because of the varying angles of the teeth of the gears. It is also important to consider the size of the pitch circle and the angle of the helix. The pitch circle is larger for helical gears than for spur gears. This means more surface contact and more potential for transmission of power between the parallel shafts.
Efficiency calculations for synchronizers are relatively new. Using data from power losses can help estimate the accuracy of these calculations.
The efficiency of a gearbox is mainly dependent on the power range and the torque. The higher the range, the better the efficiency. When the power range is reduced, the efficiency is reduced. The efficiency decreases sharply for high ratio gearboxes.
The efficiency of a gearbox also depends on the type of gearbox. Typically, spur gears are the most efficient, but helical gears are also quite efficient. In the same way that an electrical motor is more efficient than a standard cylinder engine, helical gears are more efficient than spur gears.helical gearbox

Applications

Various industries utilize helical gearboxes for different applications. These gears are primarily used in heavy industrial settings and are also used in the printing and plastic industries.
They are useful in transferring motion between parallel and right-angle shafts. Helical gears are more durable and offer smoother gear operation than other gear types. They are also less noisy and produce less friction.
Typical applications of helical gearboxes include conveyors, coolers, crushers, and other heavy industrial applications. They are also used in the food, chemical, and printing industries.
There are two main types of helical gearboxes: single helical gearboxes and double helical gearboxes. In the single gearbox, the teeth are at a certain angle to the axis. In the double gearbox, the teeth are at opposite angles.
Both gear types have their own advantages. The spur type is more suited for low-speed applications and is also less expensive to manufacture. However, helical gears are more efficient. They are also less noisy and have more teeth meshing capacity.
Helical gears also have a greater pitch circle diameter than spur gears. Because of this, they can tolerate a greater load and are more durable. The helical gearbox also uses thrust bearings to support the thrust force. In order to ensure smooth operation, the helical gears gradually engage.
Helical gears are also used in the automotive industry. They are the most common gear type used in the automotive transmission process.

Spiral teeth vs helical teeth

Depending on the application, there are two types of bevel gears: helical gears and spiral teeth bevel gears. They have a similar geometry, but they perform differently. While helical gears provide smoother operation and higher load carrying capacity, spiral teeth bevel gears are more flexible, reduce the risk of overheating, and have longer service life.
Helical gears are primarily used for helical or crossed shafts. They have teeth that are cut at a precise angle to the gear axis. They provide a smooth action during heavy loads and are used at high speeds. They can also be used for non-parallel shafts. However, they are less efficient than spur gears.
Spur gears are primarily used for parallel shafts. Their straight teeth are parallel to the gear axis. Their teeth come in sudden contact, which causes vibration and a noticeable noise. However, helical gears provide gradual engagement, minimizing vibration and backlash.
The root stress of helical gears is different from spur gears. It is dependent on the helix angle and the web thickness of the gear. The pressure angle of the teeth also affects the curvature radii. These factors affect the transverse contact ratio, which decreases the length of the contact line.
Helical gears are often used to change the angle of rotation by 90 degrees. They can also be used to eliminate shock loading. These gears can be used on parallel or crossed shafts.

PB and PLB Series

PB and PLB series helical gearboxes offer a bevy of benefits that include high power density and a compact modular design. Aside from offering a high output torque, they also offer low maintenance and a long life span. The manufacturers have also gone to great lengths to provide a robust case, a rigid worm and screw thread arrangement and a high reduction ratio. They also provide parallel shaft input options. This means you can use one gearbox to drive a whole train of synchronized gears.
Aside from the fact that it is one of the most durable gearboxes available, it is also one of the most versatile. In fact, the company manufactures a number of gearbox variants, ranging from a single gearbox to a fully modular multiple gearbox design. The high power density means it can operate in tight industrial spaces. PB and PLB series helical Gearboxes are available in a range of sizes, ensuring you find the perfect fit for your application. The PB and PLB Series helical gearboxes are also a cost-effective option for your next application. The company is also able to offer custom solutions to meet your specific needs.
The best part is that you can get your hands on these Gearboxes at a price that is well worth your hard earned dollars. The manufacturers also offer an industry leading warranty. PB and PLB series helical and worm gearboxes are available in a variety of sizes and configurations to suit your application.helical gearbox

Herringbone gears

Using Herringbone gears in helical gearboxes can give the advantages of quiet operation at high speed and minimal axial force. These gears can also be used in heavy machinery applications. However, manufacturing them is more difficult and expensive.
Herringbone gears are similar to double helical gears, except that they do not have a central gap. Originally, they were made by casting to an accurate pattern.
Today, they are characterized by two sets of gear teeth that are stuck together. They have a very high coincidence, which increases the bearing capacity of the gearbox. They also reduce wear and noise.
These gears are usually smaller than double helical gears. This makes them ideal for applications where vibration is high. The large contact area reduces stress. They also have a high carrying capacity. They are used in transmissions, heavy machinery, and differentials.
Herringbone gears are also used in torque gearboxes, especially those that do not have a significant thrust bearing. However, their use is less common because of manufacturing difficulties.
There are several solutions to the problem of making herringbone gears. One solution is to use a central groove to cut the gears. Another is to stack two helical gears together. Another solution is to use older machines that can be rebuilt to make herringbone gears.
Herringbone gears can be processed using milling methods. However, this method cannot be used to process all herringbone gears.
China Professional K Series Helical Bevel Motor Gearbox Reduction for Belt Drive Supplier   helical gears are used as transmission componentsChina Professional K Series Helical Bevel Motor Gearbox Reduction for Belt Drive Supplier   helical gears are used as transmission components
editor by CX 2023-05-11