Heat Treat Oven Completed

Joined
Sep 23, 2013
Messages
42
It was time to start fabricating a new oven after another failed kanthal coil, constantly pushing in the pin clips that hold the elements to the bricks and just making the last one a bit too small. It did its job for the last 6 years but this build is long overdue.
I had a few things in mind while drawing this one up..
1- Hang the coils from the top where they are completely out of the way.
I based this off of JT's oven build and it just makes sense.(Thanks JT!)
2- There is not much room on the bench so I needed to make this as compact as I could.
No more door swinging to the side and I didn't want a drop down door because all the people that say they burn their gloves when loading/unloading.
This door took some tinkering but Im surly glad I took the time to do it. It is mounted only on the one side because I knew it would interfere with the coil leg. Its a lil beefy but there is no slop in it.
No control box on the side of this one either, by putting all the controls in a tray on the bottom allows me to keep this as narrow as possible. It also raises the oven up off the bench to where you have a better site window of the chamber.

The chamber is 5-1/2" x 5-1/2" x 22-1/2" with 3" 2300 firebricks.
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This is awesome. I’ve been saving to build one and need to run 220 in my shop. Got a different project at the moment, but hopefully when it gets finished.... Yours is about exactly what I was hoping to build from size, to the design.

Jeremy
 
T Thadbow What are the dimensions of the ceramic rods you used? Any chance you have a link to them? I'm having a tough time finding em. Thank you sir!
 
T Thadbow What are the dimensions of the ceramic rods you used? Any chance you have a link to them? I'm having a tough time finding em. Thank you sir!
J.Keeton,
Natlek is correct with the Mullite Tube, the ones that worked best for my design/coil size were the 1/4" x 3/8" x 8".
I believe they will cut whatever size you need though..
Let me know if you have any other questions.
Thad
 
Very nice build.

My only comment is that I would turn the handle so it points outward. This takes your arm and sleeves out of the heat blast when opening/closing the door.​
 
This is who I get my rods from on eBay. Gear seller and he has what ever size you want and he will cut custom lengths. That is where the 18” came from. I requested a custom cut for my new oven and he now stocks them.

https://www.ebay.com/itm/294103218335
 
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