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-   -   I bought a commercial -20 freezer to make into a powder coat oven. (https://ecorenovator.org/forum/showthread.php?t=7211)

pinballlooking 03-25-20 05:40 PM

I bought a commercial -20 freezer to make into a powder coat oven.
 
5 Attachment(s)
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

pinballlooking 03-26-20 08:13 PM

5 Attachment(s)
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

Daox 03-26-20 09:06 PM

What insulation are you going to go with?

pinballlooking 03-26-20 09:51 PM

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.

pinballlooking 03-27-20 09:28 AM

1 Attachment(s)
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

pinballlooking 03-29-20 12:55 PM

4 Attachment(s)
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

pinballlooking 03-30-20 11:10 AM

2 Attachment(s)
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.

dguzzi 04-02-20 05:29 PM

1 Attachment(s)
You need this? ------->Attachment 8921

pinballlooking 04-02-20 06:29 PM

What is that?

dguzzi 04-02-20 07:29 PM

Its an electrostatic power supply for powder coating. (makes the powder stick to the stuff you are coating).


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