Static and Dynamic torque of a gearbox

Thread starter SevenToFive
Start date Nov 28, 2017
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Dynamic Static Torque

In summary, static torque refers to the maximum amount of torque that can be applied to a gearbox at rest, while dynamic torque is the maximum amount of torque that can be applied while the gearbox is in motion. Static torque is typically measured by applying a load to the output shaft and measuring the amount of force required to rotate it, while dynamic torque is calculated by multiplying the output shaft speed by the applied force. The design, materials, lubrication, power, and speed of a gearbox can all affect its static and dynamic torque capabilities. It is important to consider both types of torque for proper operation and to avoid mechanical failure and damage to equipment.

Nov 28, 2017

SevenToFive

A customer of ours called and is asking for the static and dynamic torque of a right angle worm gearbox, how would I calculate this? Secondly why would this need to be known?

Thank you to all of those who reply.

SevenToFive

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Nov 29, 2017

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SevenToFive said:

why would this need to be known?

Have you ever watched a"worm" being turned by the driven gear?

1. What is the difference between static and dynamic torque of a gearbox?

Static torque refers to the maximum amount of torque that can be applied to a gearbox when it is at rest, while dynamic torque refers to the maximum amount of torque that can be applied while the gearbox is in motion. In other words, static torque is the maximum amount of force that the gearbox can handle without moving, while dynamic torque is the amount of force that can be applied while the gearbox is in operation.

2. How is static torque measured?

Static torque is typically measured by applying a load to the output shaft of the gearbox and measuring the amount of force required to rotate the shaft. This measurement is usually expressed in units of Newton-meters or pound-feet.

3. How is dynamic torque calculated?

Dynamic torque is calculated by multiplying the output shaft speed by the amount of force applied to the output shaft. This calculation takes into account the gearbox's gear ratio, which affects the speed and force of the output shaft.

4. What factors can affect the static and dynamic torque of a gearbox?

The design and materials of the gearbox, as well as the amount of lubrication and wear on its components, can all affect the static and dynamic torque capabilities. Additionally, the amount of power being transmitted through the gearbox and the speed at which it is operating can also impact the torque.

5. Why is it important to consider both static and dynamic torque of a gearbox?

Understanding both the static and dynamic torque capabilities of a gearbox is crucial for ensuring proper operation and longevity of the gearbox. If the torque requirements exceed the limits of the gearbox, it can lead to mechanical failure and damage to the equipment. Additionally, knowing the dynamic torque can help determine the appropriate motor size and power needed to drive the gearbox.