On 7/27/2014 8:23 PM, Lloyd E. Sponenburgh wrote:
Ignoramus12347 fired this volley in
news
2) There is no gap between windings and the iron core.

No, Ig... there should be no gap between the windings and the core.

A "gapped" core is where the "I" piece and the "E" pieces are separate,
rather than interleaved. Sometimes, they're even spaced apart a bit
('gapped') to lower the DC saturability of the core.

You saw the windings off flush to the SIDES of the core. You'll end up
with two fairly flat u-shaped pieces, and a chunk stuck in each opening
in the core.

You saw flush to the sides, Ig. Basically face-off the sides of the
core, and you'll have a whole core, and winding chunks left.

Lloyd



Lloyd is right, just cut the copper flush with the front.
The videos I posted show it pretty clear.
I would use the method shown and only cut one side.
That will save the labor to cut both sides. Then use
a block on both cut windings and press out the windings.

Here are the videos showing the method.

And here is a video showing chopping and knocking out the windings.

https://www.youtube.com/watch?v=al45MXMp7e0

https://www.youtube.com/watch?v=RnjF5Hj2Udg
See 1 minute 48 seconds to 2 minute 20 seconds.

https://www.youtube.com/watch?v=0md3HyohxCk
2 minutes to 2:45

Mikek



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