Showing posts with label Gears. Show all posts
Showing posts with label Gears. Show all posts

How do you determine how many gears is nessesary in a servo motor?

what is the best answer to

Question by kevin m: How do you determine how many gears is nessesary in a servo motor?
I look at the amount of extra gears are inside and I don't know how one would determine how many are needed in design, so how do you know how many gears are needed?


Best answer:

Answer by Will
Servo motors tend to have quite a few gears primarily for 2 reasons:

-Low speed / high torque required on the output shaft.
-Size constraints.

The same gearing could be achieved with just 2 gears, one excessively large and one quite small, but the size of that combination of gears makes them a poor choice where a small package size is often valued. So instead of using two gears, multiple large/small gear combos are used to reduce the speed/increase the torque in increments, eventually reaching the required speed/torque while still having an compact package.



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