Induction heater v 2.2 Rebuild

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Uploader Comments (NickSviblovsky)

  • What material is your crucible made of ?

  • @TheElectricnoob

    Actually I don't know.This is not corundum.

    But I have a lot of them :-)

  • @NickSviblovsky Atleast it seem to take the heat pretty well. I need to find something that will withstand molten copper and/or steel that doesent cost a fortune. Your project inspired me to start playing with induction heating again.

  • @TheElectricnoob It's difficult to find crucible for steel.

    But for nonferrous metals you should use graphite crucible. This is simplest way.

    You can use corundum too but usually it cracks. To prevent it you have to make a good heat insulation and perform special preheating procedure.

    My crucibles don't creck because they are porus. But molten copper slowly percolates through them.

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  • @NickSviblovsky My ih heats and melts aluminum no prollem, it peaks 1120 watts input power at 70VAC input, pulls 16A, the DC bus is 140V and at 8A, and brings aluminum to bright orange in a few minutes.

    Oh? molten copper can seep though your crucible ? Oops

  • WOW Ilike it :-)

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