Ruddock Posted May 30, 2015 Share Posted May 30, 2015 Hey everyone, I've started building a heat treat oven. I have the shell made and the insulation bricks but I found out there are two types of PID controllers, basic or ramp and sock. I make Damascus and pattern welded knives but want to make move into long swords, I need to know what PID controller is best for this and what is the difference between the two. Another thing is the heating elements. I live in the UK and I can't find them anywhere preferably kanthal A1, kanthal wire can be bought online but I want good quality wire and have them pre twistedtwisted. Any help will be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
Bo T Posted May 31, 2015 Share Posted May 31, 2015 A programmable controller will allow you to focus on other activities while going through a multistep normalization process. Or any process that involves ramped heating or cooling of the metal or a timed hold at a certain temperature. Quote Link to comment Share on other sites More sharing options...
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