Motor armature rewinder by Rube Goldberg
Jun 3, 2019 9:25:07 GMT -7
Eagle Racing, jjwallace, and 6 more like this
Post by dave632 on Jun 3, 2019 9:25:07 GMT -7
I decided to put together a motorized armature rewinder as the task of rewinding to me was one I dreaded.
The device is powered by a small geared down N20 motor coupled to the arm drive by a driveshaft with a universal joint.
I can vary the speed and polarity as It is powered by a 10 amp variable power supply.
The toughest part was the counter and how to get it working. I used a small electrical counter activated by
a plastic strip mounted to the arm holder. I should now be able to wind a motor in short order.
Incidentally a stock 14 ohm arm has about 390 turns of #40 wire on it. I unwound one to find that out.
Rewinder motor side
Rewinder armature side
Driveshaft
Counter
The device is powered by a small geared down N20 motor coupled to the arm drive by a driveshaft with a universal joint.
I can vary the speed and polarity as It is powered by a 10 amp variable power supply.
The toughest part was the counter and how to get it working. I used a small electrical counter activated by
a plastic strip mounted to the arm holder. I should now be able to wind a motor in short order.
Incidentally a stock 14 ohm arm has about 390 turns of #40 wire on it. I unwound one to find that out.
Rewinder motor sideRewinder armature sideDriveshaftCounter
