[Amps] Removing enamel insulation?

[R.Measures]

On Feb 20, 2005, at 11:07 AM, Steve Thompson wrote:

> Joe Subich wrote:
>> Does anyone have a good way to remove enamel (Formvar?) from thin
>> wires? Scraping/sanding works fine for large wires but doesn't work
>> too well for thin wires.
> I'm trying to remember my early days with crystal sets, using 
> recovered wire
> from transformers - I think it was before self fluxing wire became the 
> norm.
> I used to use a flame, then clean up with wire wool

This is how I do it.  A flame combusts the varnish but it does not 
damage the Cu.

> or a scouring pad. For
> very fine wire I used to dip it in alcohol and burn it off so there 
> wasn't
> enough heat to damage the wire itself.
>
> Recently I saw a neat tool for cleaning component leads, which might 
> work
> with varnish - jaws made from something springy bent in a 'V' with a 
> piece
> of  heavy duty braid on the inside faces. Close it on the wire with 
> finger
> pressure and draw it off.
>
> Steve
>
>
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org