Well guys I've had a lot of requests for powdercoating parts which where far to large to fit into a kitchen oven so it's time for me to build one. After getting some measurements of many of the parts requested I figure an oven measuring the common 3'x3'x6' ID will do most rear ends, bike frames, suspension parts, etc...
Construction will be the usual Metal stud framing with sheet metal siding. I'll build it in panels so that if I need to move it or transport it later and am in a pinch I can disassemble the oven to move it. To help with warm up times I'll be using a thinner sheet metal on the ID so there is less mass that needs heating. I've decided not to use some of the alternative wall materials mentioned in the past because of the long heat up times they cause. The oven will incorporate an externally mounted convection fan with internal ducting, lights, timer, circuit breaker, and an amp meter. Temp controller will be a 1/16 PID using K type thermocouple and SSR output. I already have some controller boxes sitting around I acquired from a previous job and will either be using one of the computer CPU heatsinks or amplifier heat sinks I have to take care of the heat.
I haven't quite decided on the door type yet. I'll probably make it two door so that it requires less space to open. In the top will be a roll out rack supported by two industrial rollers (like for keyboards but bigger). I think they have a 200-300 lb capacity for each and are all stainless steel construction so they'll handle the oven and anything I hang in there just fine.
I would like to have 9,000 watts but will probably end up running 6,000 for the mean time since I'm renting a house and probably won't have my own place with a garage for another year. More than likely I'll build the oven with two 3,000 watt elements with everything in place to add a third one later.
Below is the list of components with links I'm planning on so far:
Temp Controller:
http://auberins.com/index.php?main_p...&products_id=3
Solid State Relay:
http://auberins.com/index.php?main_p...products_id=29
Thermocouple:
http://auberins.com/index.php?main_p...&products_id=2
Convection Fan:
http://www.surpluscenter.com/item.as...tname=electric
Timer:
http://www.surpluscenter.com/item.as...tname=electric
Caster Wheels:
http://www.surpluscenter.com/item.as...catname=wheels
What do you guys think?