I am looking to motorize my grinder. The bolt the crank is on is threaded 3/8" I believe. What is the wheel called that I need to install on this bolt? Whats a good source? McMaster Carr?
You are probably referring to a pulley or sheave.
But be aware that the bushings that are in these mills do not like side loads, and due to the belt tension, will wear towards the motor.
An AC gearmotor drives inline with the mill's shaft without sideloading or need for guarding of the belt system.
i'll be looking into using a windshield wiper motor in the near future. Not as fast as I'd like (70-100 RPM) but not horrible, great torque though.
I am looking to motorize my grinder. The bolt the crank is on is threaded 3/8" I believe. What is the wheel called that I need to install on this bolt? Whats a good source? McMaster Carr?
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