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Unread 27-07-2007, 13:49
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Re: pic: How we cool our compressor

Since I didn't want to start a new thread, I thought I would go off of this one since it seems to be pretty relevant to my question.

Can a compressor burn out? I know that all of ours will get very hot with extended use. I want to know because we are rebuilding our T-Shirt Shooter robot. We are going to use 3 compressors to reduce the stress on the compressors and to speed up the fill time. Back to my original question though, can a compressor get so hot that it ruins the gaskets inside the compressor?

Also as a side note for any other teams that look at this. I took apart the compressor yesterday just to check things out (this is our 2004 compressor and it is missing a bolt in the back and a bolt in the panel on the front. The front panel isn't air sealed at all, it's just a sound dampener. If you take the front panel off, you will see the piston and the motor output. Theoretically it shouldn't matter if you run the compressor in reverse, it should heat up in the same time. Also for the motor, there is no diode to control the flow of current. The "Thermal Protection" is just for the motor and not for the compressor itself. The "Thermal Protection" is a circuit breaker inside the compressor that trips if the current exceeds it's limit (I'm not sure what that limit is though)

I have a way to attach a thermistor to the top of the compressor to detect the temperature, but it wouldn't be legal in competition because I took out one of the top screws on the compressor and torqued it back down, so it would be modifying. The thermistor seems to be fairly accurate and shuts the compressor down at the same temperature as it's programmed to do. The only reason I asked if it can burn out is because this adds a lot of complexity to the system with programming, visual alerts to the OI, and then the custom circuitry (the circuitry is the easiest part though ). But please help me.
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