Project 2 from Injected65 - Powdercoating Oven

[Injected65]

About 6 months ago I decided to build my own powder coating oven. I had been lurking on several powder coating boards and had seen numerous home built ovens. There really isn't anyone locally doing retail, small part powder coating and I have a couple of car projects that will need parts done. My thinking was to build my own oven for the price it would cost to have my own parts coated and then if I happened to get a few jobs come my way then those would be "profit".


I started out with a pile of 2" X 3.5" metal wall studs from Menards. The oven I am building is approximately 4' wide, 3' deep and 65" tall. It was built to fit under a high shelf on the wall of the shop and be big enough for multiple wheels or a single rear end housing. I framed up the oven last winter, but due to a couple of car projects I have had to hold off on progress. I finally got the cars done last week so I am going to get back on this project this week. At the moment the frame is complete. The door is framed as well, though I need to frame in for an inspection window in the middle. The controller was purchased from TC Coatings (http://www.tccoatings.com/) along with the elements, wiring, pc gun, etc... The exterior metal I cut and bent at a buddy's HVAC shop. I still need to get 2 more pieces cut and bent and I can start installing the metal sheeting and insulation.

Here are the pictures of the framing. I will get more updated pictures this weekend.






Thanks,
Chris

[ncsugrad2006]

Sweeeet. Lots of pictures please!

[Injected65]

Here are a few pics of the parts I ordered from Ted at TC Coatings.






Here is the stack of sheet metal. As soon as I can get the inside, top piece bent up I can start installing them.




Chris

[hokiefd]

Wow, that is big. What do you use for insulation on the exterior surfaces?

[Injected65]

It has 22ga sheet metal for the inside of the walls with the high temp insulation inside the studs. Then there is more 22ga sheet metal covering the outside of the walls. It will look very similar to this one from Ted's. http://www.tccoatings.com/3x3x6-Oven_p_44.html

[undercut]

It has 22ga sheet metal for the inside of the walls with the high temp insulation inside the studs. Then there is more 22ga sheet metal covering the outside of the walls. It will look very similar to this one from Ted's.

Not going to have any issues with the internal metal studs conducting the heat from the inside wall directly to the outside wall?

[NRM]

Undercut I had the same thought but a sign should do. If it doesn't them the person probably shouldn't be in your shop. Everytime I see a build of something that is interestinguseful I want to have one. Keep the pics coming.

[Rambozo]

Undercut I had the same thought but a sign should do. If it doesn't them the person probably shouldn't be in your shop. Everytime I see a build of something that is interestinguseful I want to have one. Keep the pics coming.

"Oh, you touched an oven and got burned?"......."Here's your sign"

[undercut]

"Oh, you touched an oven and got burned?"......."Here's your sign"

Actually, I wasn't even thinking about it from a safety point of view ... which actually worries me a bit

More concerned about losing so much heat from the unit ... and then subsequently needing to put in effort to cool the rest of the room when its in use .....

[undercut]

Everytime I see a build of something that is interestinguseful I want to have one.

Unfortunately, I'm the same way. Was in Harbor Freight yesterday to pick up a nick nack and just HAD to look at some of their powder coat stuff to read the labels - just to see.

[Injected65]

I would guess that 99% of them are built the same way so I hadn't given it much thought. Supposedly you can lay your bare hand on the outside when they are running and they wont feel "hot". I'll be sure to report back when its up and running. I do expect some heating up of the shop when the doors open up to load and unload the parts though.

[Rambozo]

Actually, I wasn't even thinking about it from a safety point of view ... which actually worries me a bit

More concerned about losing so much heat from the unit ... and then subsequently needing to put in effort to cool the rest of the room when its in use .....

You could lay a strip of dense insulation on the studs before attaching the skin, then only the fasteners would be a direct conductive path for the heat.

[hokiefd]

You could lay a strip of dense insulation on the studs before attaching the skin, then only the fasteners would be a direct conductive path for the heat.

That's what I was thinking. Just a small amount of insulation between the studs and skin should be sufficient.

[Injected65]

Here is some progress from tonight. The inside skins are all in place other than the floor. I braced up the wall for the control box mount. I also put the rope seal in place. Tomorrow I need to get the lights mounted, elements mounted, start insulating and skinning the outside.

[undercut]

Nice progress. Do you figure you'll be done this weekend?

[Rodsmachineshop]

are you using a fan inside for even heat

[undercut]

are you using a fan inside for even heat

Like a convection oven? Would need a special arrangement for the fan given the heat, right? Might also make the oven more efficient.

[Injected65]

I doubt I will get completely done, but I would like to see some major progress. I still need a lot of work on the door. The main frame is put together, but I still need to frame up the inspection door and cut the metal out for it. I would like to see the elements, lights and fan in place and wired and the outside sheeting done.


Rods - Yes I am using a fan. I bought a Dayton high heat squirrel cage fan to mount in the back wall. It will be ducted to blow the air in through the bottom of the cabinet.

[Rodsmachineshop]

the place were he got his parts would have the fan , should have a fan every oven i have seen that size has fans. went to there site were he got his parts there ovens have a circulation fan in them . didnt see it listed in there parts section

[Injected65]

This is the one I bought from Amazon. Grainger was close in price, but I got free shipping with my Amazon Prime membership.

http://www.amazon.com/gp/product/B00...ls_o00_s00_i00