China Hardened Tooth Surface Extruder Three-Step for Machinery Helical Gear Box with Good Price electric motor helical gearbox

Product Description

Hardened Tooth Area Extruder Three-Phase for Machinery helical gear box with Excellent Price

Transient Introduction         .

one. CZPT sequence reduction gearbox is a transmission portion that possesses substantial precision

difficult gear surface area and thrust  block created for plastic screw extruder. 

two.The design of product adapts all kinds of norm specified in ZBJ19009-88/it attributes

that equipment and axis elements are produced of high strength alloy steel.                                     

3.The gear is processes by carburization, quenching and tooth grinding process. 

4.The precision of gear is grade 6 specified in GB1009588.

five.The hardness of gear surface is HRC54~sixty two. At front end of hollow input axis 

there is large specification thrust bearing that will bear axial thrust force while 

the screw is working.

6.The complete machine features compact, high in bearing capacity, stable in 

transmission, low noise, high efficiency, etc.

Applicable scope
       Various plastic rubber market

  • The input rotation of primary mover shall be ≤1500rpm
  • The peripheral speed of equipment generate shall be≤20m/s
  • The operating ambient temperature shall be inside -40°C~45°C. Per heat the lubricating oil to over 0°C when the ambient temperature is under 0°C.
  • Rotation is accessible equally forwards and backwards.

Technical parameters


Top quality Control
High quality:Insist on Improvement,Try for CZPT With the growth of tools production indurstry,buyer never satirsfy with the recent quality of our goods,on the opposite,wcreate the value of top quality.
Quality plan:to enhance the general amount in the discipline of electricity transmission  
High quality See:Ongoing Improvement , pursuit of excellence
Quality Philosophy:Top quality generates benefit

three. Incoming Good quality Management
To build the AQL acceptable level of incoming materials handle, to supply the content for the entire inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard products to get return, check out, rework, rework inspection dependable for monitoring bad, to check the provider to take corrective steps to avoid recurrence.

four. Approach High quality Manage
The manufacturing web site of the 1st assessment, inspection and ultimate inspection, sampling in accordance to the specifications of some tasks, judging the good quality alter craze found irregular phenomenon of production, and supervise the creation office to improve, get rid of the abnormal phenomenon or condition

five. FQC(Closing QC)
Following the production section will total the product, stand in the customer’s placement on the concluded product good quality verification, in order to make certain the top quality of client anticipations and demands.

6. OQC(Outgoing QC)
Soon after the product sample inspection to determine the certified, making it possible for storage, but when the finished item from the warehouse prior to the formal shipping of the items, there is a check out, this is known as the shipment inspection.Check out content:In the warehouse storage and transfer status to verify, even though confirming the shipping and delivery of the solution is a solution inspection to establish the certified




1. How to choose a gearbox which fulfills our prerequisite?

You can refer to our catalogue to decide on the gearbox or we can assist to pick when you supply

the technical data of essential output torque, output speed and motor parameter and so forth.


2. What information shall we give ahead of putting a obtain get?

a) Sort of the gearbox, ratio, enter and output variety, input flange, mounting position, and motor informationetc.

b) Housing color.

c) Obtain quantity.

d) Other particular demands.


3. What industries are your gearboxes becoming used?

Our gearboxes are broadly employed in the locations of textile, foodstuff processing, beverage, chemical market,

escalator,computerized storage equipment, metallurgy, tabacco, environmental protection, logistics and and so forth.


4. Doyou promote motors?

We have stable motor suppliers who have been coperating with us for a long-time. They can supply motors

with higher quality.  


US $199-3,000
/ Piece
1 Piece

(Min. Order)


Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Three-Step


US $199-3,000
/ Piece
1 Piece

(Min. Order)


Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Three-Step



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.helical gearbox


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 Hardened Tooth Surface Extruder Three-Step for Machinery Helical Gear Box with Good Price     electric motor helical gearboxChina Hardened Tooth Surface Extruder Three-Step for Machinery Helical Gear Box with Good Price     electric motor helical gearbox
editor by czh 2022-12-31