Harbor Freight oven

[johnnyrotten]

Just wondering if anyone has bought the powder coating oven from harbor freight. I was thinking about doing some powder coating myself (tins, small stuff). It is like $360. Just wondering if it would be just as good to get an old used oven which would probably be cheaper.


John
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[blankmange]

I am going to be doing some powder coating, probably starting this winter, but will be doing it in a used kitchen oven.... which is free for me...

$360 seems steep compared to just a plain, used electric oven for probably half of that or less....
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[plasticman1432]

I got a good-sized electric oven from a neighbor when he was switching to gas....it was free. Can't beat that price, unless the HF one if much larger.
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[ztnoo]

I would suggest checking out Eastwood's site on powder coating.
http://www.eastwoodco.com/jump.jsp?itemType=CATEGORY&itemID=458
There's an interesting and informative video which may give you some ideas and possibilites you haven't thought of yet.
Click on the HotCoat Video in the middle left part of the web page.
There's even a powder coating forum at the site you might want to review:
http://forum.eastwoodco.com/forumdisplay.php?s=00676c7eb8870e2ab1e2a9ba32866855&f=9
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[eddiemoney]

jeremyrockjock has done some i think in a conventional oven.
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[Gary]

[blankmange]

[ovalboy]

John, I P/C all the time with the Eastwood kit in an old electric oven I got for free. Ask enough people and you'll come up with one for the same price.

[blankmange]

[johnnyrotten]

[ovalboy]

[TDodge7]

here is the starts of my new oven , we don't have any 220 jacks in the house so the electric oven idea is out for me . besides , you can't fit a motorcycle frame and a full set of rims in a kitchen oven .

[ztnoo]

uuuuuuhhhhhhhhhhhhh........just because you don't have a 220v "jack", doesn't mean you don't have 220V's.
Every modern house is supplied with 220v service.
By "jack" I would assume you mean outlet, i.e. a 50A range outlet.
Those can be added very easily, even if you need to add a new breaker to your breaker panel, or an add on fuse box for that matter.
Maybe you are uneasy around house voltage, but it isn't a big deal.
Don't let not having a "jack" scare you off using a kitchen range for smaller stuff.
btw...how do you intend to fire that old fuel oil tank?......and more importantly maintain a constant set temperature for a fixed amount of time?????
That's very critical for proper curing of a powder coated surface.

_________________
"Here we don't have a single clock in the shop- time doesn't matter." ----Jake Raby

"The government cannot give to anyone anything that it does not first take from someone else."

When you put the 2 words "The" and "IRS" together it spells "Theirs"

* Don't worry about the world coming to an end today. It's already tomorrow in Australia !

[TDodge7]

the wiring in this house sucks , it's also from the 50's . to use my welder on the biggest breaker in the house i still have to turn a bunch of stuff off . on the big oven we're going to use a propane burner with a blower and run car exhaust tubing thru the tank (think vw heater) , we'll have to do some trial and error to get the temp constant but i'm sure we can handle it . i build most of my specialty tools out of random crap , this is just another tool .

[Gary]

[Pinky]

[blankmange]

from what I have been reading, a gas-fired oven (unless it's a professional/industrial oven) is a bad idea for two reasons: the heat/temp will fluctuate too much, and some powders emit volatile gas when they cure...
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póg mo thóin

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[The Sage]

You can fit two rims in a normal oven.

We use one, it works great. Also, if you find a dishwasher, they are handy too.
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[TDodge7]

[BrockGrimes]

Look into a convection setup.
It'll circulate the heat within the oven and
help keep it at a constant temp.

My brother built a square box like a giant pizza box.
And used those H burners you buy at wallyworld for
bbq grills. The burners are mounted outside under
the box. Turn on all 4 burners then adjust to get it to temp.

Works great.

Just some info:
Convection ovens or fan ovens augment a traditional oven by circulating heated air using a high temperature fan. Food warms faster in a convection oven since the moving air strips away the thin layer of air which otherwise would surround and insulate the food.
By moving hot air past the food, convection ovens can operate at a lower temperature than a standard conventional oven and they can cook food more quickly. The air circulation, or convection, tends to eliminate "hot spots" and thus bake more evenly.

Another form of a convection oven is the commercial impingement oven. This type of oven is often used to cook pizzas in restaurants. Impingement ovens have a high flow rate of hot air from both above and below the food. The air flow is directed onto food which usually passes through the oven on a conveyor belt. Air flow rates can range between 1-5 m/s. Impingement ovens can achieve a much higher heat transfer than a conventional oven.


Check craigslist.org people give ovens away for free all the time.
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