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DC Motor

by pAIgn10, published

DC Motor by pAIgn10 Jun 10, 2014
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3314Views 554Downloads Found in Engineering

Summary

This is a 3-pole DC motor.

The motor was tested at 30V, it draws 1.6A and runs at 6400rpm.

The fan is courtesy of t00tie:
http://www.thingiverse.com/thing:27472

https://www.youtube.com/watch?v=2Sp08ZGRHqQ

Instructions

If you decide to build the motor, please note that you won't be able to find the magnets and bearings I used. You will have to redesign the model to fit it to your magnets and ball bearings.

The core slices come from an iron plate that was cut in a water jet cutter. The slices are insulated with magnet wire varnish.

For the windings I used 22 awg magnet wire. That was thick. You could probably use 30 awg wire. Watch here www.youtube.com/watch?v=1673-0Y3fFQ, on how to connect the windings ends.

The commutator is comprised of 3 pieces of a copper tube on a teflon cylinder. The copper pieces are secured on the teflon with epoxy glue.

Brushes are used for the commutation.

The plexiglas base was cut and engraved in a laser cutter.

You will find all the necessary dimensions in the dc_motor.sldprt file.

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