Self build heat treatment kiln

izafireman

Well-Known Member
Can anyone possibly point me in the direction of any self build heat treatment oven plans please?

I am looking to build one as in the UK they are hugely expensive and I have the contacts who could help me build one, just need the plans for one.
 
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izafireman

Well-Known Member
Thanks Ken, really appreciate your help. Something I have always wanted to do as at the moment get my steel heat treated in bulk commercially, at least if I have my own oven I will be able to use other steels and I have no doubt learn much more.

I contacted one of my pals who works as an engineer for BP thinking it would be a difficult build but he replied that it was an easy build for him, I have no doubt he will over engineer what he makes and possibly think of some improvements on any designs.

Many thanks

Pete
 

izafireman

Well-Known Member
Ken , have you made of these units yourself?

Reason I ask is regarding the PID model shown in the link, does that have the capability to remember several different heat treatment cycles as I know some PIDs do. Or are there other models I should look at. I am hoping to build the units out of stainless as I think that would look good and also wont rust in my workshop over winter.

I also found this easy to cut lightweight sheet which is what I line my wood burner in my house with, very easy

 

KenH

Well-Known Member
Nope, I never built one myself. Waaay back when I first got involved in knifemaking the wife decided I needed to be making her kitchen knives of SS, so I needed an oven. I placed an order for the EvenHeat oven. It's worked just fine.

"IF" you want a PID controller that seems to be the best around: https://www.kilncontrol.com/shop/conversion-kits/

OR, a step down from that but has been around for a LONG time:
https://shopevenheat.com/index.php?main_page=product_info&cPath=100_106_128&products_id=1481

Or with fewer features at less cost (this is the one I have):
https://shopevenheat.com/index.php?main_page=product_info&cPath=3_12&products_id=1479

Here is a link that gives a brief description of each controller.
http://www.sunshineglass.com/rcol/b_fusing/kilns-ramp2.htm
 

Gliden07

Well-Known Member
Nope, I never built one myself. Waaay back when I first got involved in knifemaking the wife decided I needed to be making her kitchen knives of SS, so I needed an oven. I placed an order for the EvenHeat oven. It's worked just fine.

"IF" you want a PID controller that seems to be the best around: https://www.kilncontrol.com/shop/conversion-kits/

OR, a step down from that but has been around for a LONG time:
https://shopevenheat.com/index.php?main_page=product_info&cPath=100_106_128&products_id=1481

Or with fewer features at less cost (this is the one I have):
https://shopevenheat.com/index.php?main_page=product_info&cPath=3_12&products_id=1479

Here is a link that gives a brief description of each controller.
http://www.sunshineglass.com/rcol/b_fusing/kilns-ramp2.htm
Are those controls all self contained?? Other than the relays to control the heating elements?
 

KenH

Well-Known Member
The only one I've used is the Set-Pro which sure looks like it's a single complete unit - and I think it includes the relay because I can heard the relay clicking as it goes ON 'n OFF, and the sound seems like it's internal to the Set-Pro box. It would be best would be to contact vendor.
 

izafireman

Well-Known Member
Had what might be good news this evening as my father who is a retired electrician said he has a PID controller made by a company called Omron which although 20 years old is brand new and was used to control the temperatures on wrapping machines on a production line in a factory. Hopefully it will be ok , if no I will buy one of the other units.
 
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