Quote:
Originally posted by Abwehr
A stepper motor would be ideal for that application.
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The bad thing about stepper motors is that they are designed for very low torque applications where maximum precision is key. The holding torque of a stepper motor is the maximum torque it can hold at the current step. The maximum torque the stepper motor can maintain while rotating to the next step is:
Max Torque = (Holding Torque) / sqrt(2)
The speed of a stepper motor is determined by the speed of the controller, so you'll need a very fast controller if you want a decent speed.