Table top/rapid fire heat treat oven

I do.

I use it for slip joints, stainless and carbon steel. I like it a lot. I talked with another couple of makers that use them too.

Some random thoughts on it: There is no safety feature when the door is open. The coils are live. It heats up fast and cools fast as soon as the coils are off, so I don't turn the coils off when taking items out of the oven. There is a burn in procedure that does create some smoke.

I experienced an issue where it wasn't holding target temperature after a few months. It was swinging above and below. It took awhile, but I found the manual for the PID controller and went through a calibration routine, then it worked great again.

The PID controller is simple, but there is some functionality I haven't unlocked. You can enter in many schedules and then you can tell it what line to start from. Ideally, I want to enter all my steel's austenizing and temper schedules (for springs and blades). But the reality is I enter them manually each time so far.

I got mine used off facebook marketplace but it looked brand new unused. When I was having issues with my controller calibration, I did email the company. It did them them some time, but they did eventually reply. I didn't try calling, so don't know if I could have gotten live with someone on the phone.

If you want the PID controller manual I found, let me know or have any other questions, let me know.
 
I’ll mainly use it for slip joints also. Have you have any issues with the fitting blades and springs inside?
 
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