Measuring backlash in a torque hub drive

Measuring backlash in a torque hub drive – Blog Post

Measuring backlash in a torque hub drive

When it comes to torque hub drives, one of the key factors to consider is the amount of backlash present in the system. Backlash is the amount of play or slack between the teeth of the gears in a gearbox, and it can have a significant impact on the performance of the system as a whole.

What is backlash?

Backlash is a measure of the amount of clearance between the teeth of the gears in a gearbox. It occurs when the teeth on one gear disengage from the teeth on the mating gear, creating a small amount of play or slack in the system. Backlash can be caused by a number of factors, including manufacturing tolerances, assembly errors, and wear over time.

Why is backlash important?

Backlash can have a significant impact on the performance of a torque hub drive. When there is too much backlash in the system, it can cause the gears to rattle or vibrate, which can lead to excessive noise and reduce the efficiency of the system. In addition, backlash can also make it more difficult to control the position of the output shaft, which can be a problem in applications where precision is important.

How is backlash measured?

Measuring backlash in a torque hub drive is a relatively simple process. It involves rotating the output shaft back and forth while measuring the amount of movement in the input shaft. This can be done using a dial indicator or other precision measuring tools. The amount of measured movement is then divided by two to get the total amount of backlash in the system.

How to reduce backlash?

There are a number of techniques that can be used to reduce backlash in a torque hub drive. One common approach is to use gears with a higher number of teeth, which can help to distribute the load more evenly and reduce the amount of play in the system. Another technique is to use preloaded bearings, which can help to reduce the amount of clearance between the gears. In addition, careful assembly and inspection procedures can also help to minimize the amount of backlash in the system.


Measuring and controlling backlash is an important consideration for anyone involved in the design or operation of torque hub drives. By taking steps to minimize backlash and ensure that it is within acceptable limits, you can help to improve the performance, efficiency, and reliability of your system.

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  • Deep Industry Accumulation: With over 20 years of market experience, we have accumulated rich design and manufacturing experience in gearboxes, and we can accurately grasp the development trends of the industry to meet various complex working conditions.
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Torque Hub Drive Buying Guide

Specification Description
Application Consider the specific application requirements, including torque, speed, and precision.
Load Capacity Choose a torque hub drive with sufficient load capacity to handle the required loads.
Backlash Ensure that the amount of backlash in the system is within acceptable limits.
Efficiency Choose a torque hub drive with high transmission efficiency to minimize energy losses.
Customization Consider whether the torque hub drive can be customized to meet the specific needs of the application.

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Author: Miya