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Counter top powder coat or annealing oven for sale - SOLD

Janger

Janger

(John)
Vendor
Premium Member
I have 1 kitchen counter pizza oven for sale. It is a bigger toaster oven. I used it for powder coating. They work great for that purpose. The internal size is about 12" by 12" by about 8" high. You could do some low temperature annealing too say 500F. They have a convenient 60 min timer which shuts it off. Some racks are included. It is used.

$20. I could bring it to the meetup Nov 17.

PM me if you're interested.
 
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Where do you get the powder coating in Calgary? I'm assuming that's where you are. I tried to get some from a commercial outlet and the price was astronomical plus all the gear that went along with it. There has to be a cheaper method to put it on - any advice would be much appreciated - Thank you in advance.
 
Princess Auto sells the powder, gun, and oven. They come on sale every now and again. As stated above, KMS is another source.
 
Sold eh? I guess I'll make muffins for my in-laws in something else ;)
 
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John, where did you get your ovens if you don't mind me asking? I use a mini toaster oven that was once a kitchen appliance until it became 'bearing removal spa' for my RC engines, but I think it only goes to broil, like 450F & is relatively small volume. I also have a hot plate but it wastes a lot of heat to the atmosphere.
 
My daughter bought a new kitchen range a year ago and was going to throw the old one out...I hauled it away for her, right into my shop so for the price of a range power outlet and 10 ft of 220 wiring I have a full sized "kitchen Powder coater" in my shop.

We, in the bullet casting/powder coating hobby have discovered that a lot of toaster ovens don't have an accurate heating ability nor do some of them heat evenly at all locations in the oven area, after all they are made to be an inexpensive "secondary" kitchen aid where as that kitchen range has much more reliable heat controls it seems...I can "cook" a years supply of lead slugs (600 or more) in one 20 minute cook with it.
 
My end game is to turn one of the server rack frames (computer server rack) into an oven.

Think 2x3x6 foot capacity. Just waiting for other prospects and life to slow down.

I agree with the comments on even/uneven heat..... air circulation is required and will be part of my design.... someday




Sent from my iPhone using Tapatalk
 
kevin.decelles said:
My end game is to turn one of the server rack frames (computer server rack) into an oven.

Think 2x3x6 foot capacity. Just waiting for other prospects and life to slow down.

I agree with the comments on even/uneven heat..... air circulation is required and will be part of my design.... someday

Sent from my iPhone using Tapatalk
Click to expand...

That would be the perfect size.

One issue to watch out for though is that the paint sometimes used on these racks—especially the cheap ones—may need to be blasted off. I think I read they purposely use Bakelite in the paint, both because of its electrical insulation properties, but also because it smells horrible when heated (it's a phenol formaldehyde resin and is the phenols that stink). Bakelite is an original plastic still used for electrical components such as breakers and cooking pot handles, or incorporated into paints used in electrical applications such as server racks. It acts as an early warning system of sorts. When it heats up you may smell a problem soon enough to fix it. Not great for the inside of an oven—which is why they don't recommend pots with Bakelite handles go into the oven. However, many a house has been saved from fire due to the sickly sweet smell of a pot handle left unattended on a stove, or an over-heated main breaker. In fact this is what tipped me off in my house about 15 years ago when my 100 Amp mains failed.

Past its max operating temp (250C) it disintegrates (not melts) into a powder. It also does this below this temp if it is older or has had repeated heating cycles close to its max over decades. This powder can fall onto your project or be blown into it if you have an internal circulating fan.

The bigger concern might be heat lost leading to temp instability. I do know a guy that did the same thing with an old file cabinet. He got frustrated with the heat loss and ended up insulating it. I made an Arduino thermostat for him with a DS18B20 sensor tied into the heating element with a 10 degree dead band. It worked great once we found the perfect location for the sensor. Because that sensor tops out at 125C we had to mount it on the outside and then shield it from ambient temps....but it did work really well. Insulation was key to temperature control though. We punched a bunch of access holes into it so we could shoot a Fluke laser temp probe inside and do test measurements. I recall thinking that if the powder coat idea didn't pan out maybe we could use it as a smoker :) Then I remembered the cabinet was from the 1960s and probably had lead paint, so maybe not a great idea after all :(

Best of luck. There are simple household tests for Bakelite (such as here). But these probably don't work as well on paint as pure Bakelite.

Post when you get yours working though. It sounds like a fun project.
 
I found one of these ovens

8B7C5018-5D21-4F0A-A733-D40E3027C0ED.jpeg
AFD7E71B-86E6-4CDB-87C4-E5AACCA580D7.jpeg


The top can be removed for a extension maybe.
 
kevin.decelles said:
My end game is to turn one of the server rack frames (computer server rack) into an oven.

Think 2x3x6 foot capacity. Just waiting for other prospects and life to slow down.

I agree with the comments on even/uneven heat..... air circulation is required and will be part of my design.... someday




Sent from my iPhone using Tapatalk
Click to expand...

Search for bread oven on kijiji Kevin - it's free and about as big as a server rack. Needs some repair...
 
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