Simple, cheap way to heat small prepreg oven?


Simple, cheap way to heat small prepreg oven?
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quinn
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quinn
posted 7 Years Ago HOT
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I'll be building a pretty small oven, about 1 meter long, .5 meter square. Not gonna be used heavily. Probably use 120c cure prepreg. What's gonna be the simplest, cheapest way to heat this? It will be on a pid controller. 
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Simple, cheap way to heat small prepreg oven?
quinn - 7 Years Ago
     Well, mine is heated with 150w light bulbs :-). There are four circuits with 3 bulbs on each (total 1.8kw) . One circuit is controlled by my PID. I have scattered temp sensors around the oven so I ca...
Steve Broad - 7 Years Ago
             That does seem pretty cheap and easy. What kind of fan are you using? Does it have to be a certain kind to hold up to 120c?
quinn - 7 Years Ago
                 Yeah, one with no plastic exposed to heat :-). I have used a steel desk fan (as it was free :-) ) that is still working, but fans designed for the job are available. The use of bulbs allowed me to.....
Steve Broad - 7 Years Ago
     Oven elements and fans are dirt cheap, easy to wire, and will last virtually forever. I believe I paid about AU$10 for the element and AU$15 for the fan and motor, andmy oven costs less than 2c per.....
Hanaldo - 7 Years Ago

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