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05-11-2005, 03:02 AM #1
car engine oil in compressor used as vacuum pump for laser
Can the oil in a small refrigeration compressor be changed to regular car engine oil if the compressor will be used as a vacuum pump for a CO2 laser? A friend is asking me that because he wants to build a CO2 laser cutter for precision cutting plastic and etching metal. (He works at a computer store and he wants to add a "professional" case modding service.)
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