Gallery, Projects and General > How do I??

Treadmill motor on a minimill

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Chuck in E. TN:
Oh, just realized there's no picture of the controller. It's mounted on the bench behind the mill. Controller is a MC-60. I connected a 10k ohm linear pot to the controller for speed control. I did add a SPDP switch in the center lead of the pot, which allows stopping and starting the mill at the same speed, but I very seldom use it. I also have a SEIG 7x14 lathe, so I'm used to turning the speed control to zero and back to start the mill. I've used them both long enough to be able to set speed by ear, rather than tach, though both mill and lathe have a tach.
Flywheel pictured in the album is not the one I used, but same basic shape. The one I used had multiple groves for the belt, like a automotive fan/accessory belt. I cut the small diameter part off with the bandsaw and turned a v-belt grove in it. Used the original threads on motor shaft to mount the reworked pulley.

Chuck

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