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Electric Heat Treating Oven

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unc1esteve:
Test with 220 VAC was unsuccessful.
All items say they are rated for 220 VAC, 20-25 A.
But all items failed including the nichrome wire.
Looking for the problem.

Dawai:
THE kerr electromelt I had the coils were cast into the refractory. INsulated them and ?? Problem was it was a unit then, unrepairable.

I am working on a home-built 3d printer for form-casting models. Same thing, I may dip it into some thinned refractory, dry, then wrap the element, then redip, then cast around it.

I may build myself a home-built electromelt soon. I've scrounged the parts. Need the castable refractory.

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