I bought a commercial -20 freezer to make into a powder coat oven.
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Does any know if the compressor or other parts are worth more than scrap?
I have the MFG phone number so I see what they used for insulation. I hope the I don’t have to replace it. But I will if I have to. I will be moving my oven controls and heating elements to this. I bought this for $80 I could not build it for that much. I do not know how much I will get in scrap for the coils. https://ecorenovator.org/forum/attac...1&d=1585175989 https://ecorenovator.org/forum/attac...1&d=1585175989 https://ecorenovator.org/forum/attac...1&d=1585175989 |
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It looks like I have to remove the insulation and put in new insulation.
We started on it today. All the cooling system has been removed. We are using a scraper attachment on a Sawzall. It works amazingly well. https://ecorenovator.org/forum/attac...1&d=1585271546 https://ecorenovator.org/forum/attac...1&d=1585271546 https://ecorenovator.org/forum/attac...1&d=1585271546 I have oven gasket and door latches on the way. https://ecorenovator.org/forum/attac...1&d=1585272070 https://ecorenovator.org/forum/attac...1&d=1585272070 |
What insulation are you going to go with?
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Either Rockwool or fiberglass.
But I am leaning towards Rockwool. You out gas at 450 degrees so either one will work. The powder coat cures @400 degrees. It looks like fiberglass. To get Rockwool I have to order 3 packs. No one here stocks it. I can do it much cheaper with fiberglass. One pack fiberglass $37.48. That one pack will be enough. That will work for this oven. Some of the scientific freezers can store flammable storage. Mine is not that type. I wish it was that maybe I would not have to re-insulate. It will be a pain but I think it will make a nice oven when I am done. It will also keep my build cost low that is important right now. I have a standard house oven right now. I will be gutting it and putting its heating elements in this one. For now I will just use its controls. This should work good in a oven this size and will keep cost down. |
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I have the top off. I don’t think I can reproduce the way the panels are held together.
I may just cut strips and screw or rivet it back together. It is about 2.5” thick I may expand that to 3.5”. That would fit my insulation better. https://ecorenovator.org/forum/attac...1&d=1585319280 |
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More progress.
Now some of the finer details to get it ready to put back together. I will need to add some support. The insulation was a lot of the support before the new insulation will not give the same support. Really just the top and the bottom needs the support. https://ecorenovator.org/forum/attac...1&d=1585504452 https://ecorenovator.org/forum/attac...1&d=1585504452 https://ecorenovator.org/forum/attac...1&d=1585504452 https://ecorenovator.org/forum/attac...1&d=1585504452 |
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I have the trim pieces ready for final clean up.
I took the torch to one of the sides. The middle part is not flammable but the trim pieces is flammable. They use a lot of masking tape that will need to be removed. https://ecorenovator.org/forum/attac...1&d=1585584612 https://ecorenovator.org/forum/attac...1&d=1585584612 The door is the last piece that needs the needs insulation removed. Then it is just final clean up add support and oven layout. |
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You need this? ------->Attachment 8921
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What is that?
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Its an electrostatic power supply for powder coating. (makes the powder stick to the stuff you are coating).
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