Astro 3220 Rewind

Electric Motors and Controllers
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coleasterling
100 W
100 W
Posts: 119
Joined: Sep 21, 2010 3:37 am

Astro 3220 Rewind

Post by coleasterling » Mar 27, 2018 2:31 pm

I have a burned Astro 3220 and would like to do a rewind on it. I already stripped the winding from the stator, but it was damaged badly enough that I was not able to follow the scheme. Has any rewound a 3220 or other similar motor? Do I need to find and follow the same distributed scheme they used, or would a more standard wind be fine? This will be my first large rewind, so going to be learning a lot!

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Miles
100 GW
100 GW
Posts: 11452
Joined: Mar 16, 2007 4:15 pm
Location: London UK

Re: Astro 3220 Rewind

Post by Miles » Mar 28, 2018 7:38 am

Hi Cole,

It's 8P 24T which is an integer-slot winding.
Best to wind it as a single layer winding to get a winding factor of 1. That means the coil will span 3 slots.
See here for more information: https://www.emetor.com/windings/
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coleasterling
100 W
100 W
Posts: 119
Joined: Sep 21, 2010 3:37 am

Re: Astro 3220 Rewind

Post by coleasterling » Mar 28, 2018 10:53 am

Excellent, thanks Miles! That's exactly what I needed.

-Cole

coleasterling
100 W
100 W
Posts: 119
Joined: Sep 21, 2010 3:37 am

Re: Astro 3220 Rewind

Post by coleasterling » Mar 29, 2018 2:20 pm

On this topic, what's y'all's favorite source for wire? I had a site saved years ago for 200C rated stuff, but can't seem to find it now.

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