I have an application where I need to move a weight on a belt drive as fast as possible back and forth. I can vary the pulley circumference as I like and I intend to choose the circumference in a way that will give me equal reflected intertia of the rotating parts and the parts that are moved linearly, as this should allow for the maximum acceleration.
Now my question: How do I choose the best motor for this applcation? Obviously I aim for a high torque to inertia ratio, but this still leaves different windings, resulting in different Kv (rpm/volt).
As I learned here:
the torque efficiency (torque per power consumed) is independent of Kv.
How do I choose the Kv in that case if I have similar motors available that only differ in Kv?