[sdiy] Trying to raise my stepper motor torque using different gear installed

jpdesroc at oricom.ca jpdesroc at oricom.ca
Fri Nov 28 16:41:39 CET 2025


This is a question for mechanics engineer..

 

I'm using this type of stepper motor in a project:

 

SanMotion SF2424-10B41

* Bipolar

* 200 steps per revolution

* 24vdc @ 1A

* Torque - Holding (oz-in / mNm) 113.30 / 800

 



Its shaft has a 16 teeth gear installed

pulling a small chain.

The picture shows the type of gear and chain used

to run my system.

 



 

I'd like to raise up this stepper max usable torque

by using a gear with larger number of teeth

and lowering the rotation speed accordingly

to keep the same final chain pace as the original one.

For example: Using a 32 tooth gear and a rotation of half the original 16 teeth’s speed (16/32).

 

My question is

Would this modification raise the final torque significantly ?

Keeping the same 24vdc 1A power supply ?

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