I purchased a new air compressor yesterday. Wow, what a difference. It is a super silent oil-less dental air compressor. It is only rated for 5cfm but for normal laser work it gives a 60% on duty cycle which is in spec.
I can now talk to customers with out being drowned out by the two piston belt drive air compressor I have been running. The air cooling on the laser cutter is actually the nosiest part of my set up now. My extraction is also quiet as I have ducted it all in rigid and the blower is outside.
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Good days
Keith