I've been using a Dewalt 5.4CFM 15 gallon air compressor in the=20
'assembly facility' for providing shop air for things like flux stone=20
air in the wave solder machine.  I chose this one in particular because=20
it was 'oil free' - that is, I didn't have to worry about the compressor=20
oil leaking around the piston rings and making it into the flux and the=20
like.

It looks like with the near-term addition of some additional equipment=20
which also needs shop air, I'm running out of capacity on this unit, so=20
I'm probably in the market for a new, higher-capacity compressor. =20
Unfortunately, it looks like my choices are oil, oil or oil based=20
compressors...  which leads me to my question.

How big of a problem is the 'leakage' of compressor oil for shop air in=20
electronic assembly?   Is the normal oil filter/traps enough to prevent=20
manufacturing issues generally?  Or is something more extreme needed? =20
Or on the other hand is this not a problem at all, and I'm just being=20
overcautious?

Compressor recommendations in the over 5.4CFM realm would also be useful.

-forrest
--=20
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