Electronics > Repair
Plasma Cutter board repair questions: SOLVED
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jerryk:
Well that was fun :)

What kind of readily available glue can I use to reinstall the core?

I understand the primary and secondary windings on this transformer but don't understand what the 4 turn winding between the primary and secondary does.  It's only connected on one side.  I assume it has a feed back or filter function?  Any hints on it's purpose would be great.

Attached some pictures of the process and welcome any suggestions to improve the process.

I still have to prove it's worth when I reinstall it.

Thanks - Jerry 
indeterminate:
Well dun
a bit of 5 minuet epoxy will do
If there is someone in your area that rewinds electric motors you way be able to dunk the transformer in sum varnish.
Its a bit hard to bye the stuff in small quantities these days.

fant:
The 1 wire connection coil is an electrostatic shield, to decrease the capacitive coupling between primary and secondary windings.

Mandi
jerryk:
I sure do appreciate information and advice.  I have always assumed that if an OEM transformer blows it's game over but in this case the repair was a success. I did not varnish the primary windings and not sure how critical that is for longevity. I'll return it to my friend and look forward to seeing how the repair holds up over time.

Again Thanks - Jerry

coppercone2:
this is a inspiration to all of us. My first attempt to rewind a solenoid went sour but I have faith knowing this technique can save hundreds of dollars
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