Is there an easy way to break this down for recycling?

This is a new feather in my recycling cap.  Is there a way to break these down. I'd like to get a better price than "electric motor weight". Thanks

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randomray6 years ago
LOL , the easiest way I've found is to take a portaband " handheld portable band-saw " and just made one or two cuts all the way though it to let the copper "fall " out . I don't if you have one but I imagine you could find a used one fairly cheap .
iceng6 years ago
I used to carefully tap out one of the iron ( I ) pieces of the stacked EI sections.
Some xfmr manufacturers make this easier by stacking two or more EIs
After getting some iron ( I ) sections out  then tap out an ( E ) by the center.

Yes..... its tough work and you will bend a few laminations, sharp chisels,
knives and fingers.  But It gets easier as you go, and that feeling when you pull the last iron lamination out is really worth it.
Now you pull tape off the bobin and harvest the fine copper primary windings by counting or weighing it later.
And harvest the secondary by unwinding and counting turns from the plastic/ nylon bobbin..

Why do this ??
Aren't we going to wind our own xfmr reusing the bobbin and basing our design ref on the data we took ?? !!!

Your lucky it's not welded like this Horror :-)


zack247 iceng6 years ago
aah, microwaves. great things they are.

but what do i do with the oil filled capacitor i have from one?
iceng zack2476 years ago
Don't have a clue for you if your cap is anything like the one I harvested.
It says  0.77uF @ 2100 Working VAC and on the next line is printed,
INTERNAL RESISTOR  that limits the cap to that specific application only.

zack247 iceng6 years ago
well i dont have any intentions of building microwave any time soon, so im assuming the capacitor is pretty useless for me, isnt it?
iceng zack2476 years ago
Only if built in resistor it has.
Vyger6 years ago
If you burn it in a fire it will get rid of any the paper and glue and varnish and plastic. The copper should then be easy to remove. It will also melt the solder away so any connections will be undone.
Use a drill to bore out the copper windings - collect the cuttings, then scrap the iron.