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Question for machine shop employees...

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V8MoneyPit:
We now have our Haas CNC mill installed. The temporary compressor we have is way too small and is running almost constantly. As a result it is generating a lot of moisture. Not good for the mills spindle bearings! We have a much larger silenced compressor due in the next couple of days.

The question is about dryers and moisture traps. Most people seem to think a refrigeration type drier is essential. Any views, anyone?

Eeyore:
We use a heated/condensor type dryer on our new system and we've had no probs with it so far. Its an Atlas Copco job. We need the air to dry to a very high level as it's the only thing cooling the lens packs on our new toy. I assume your running high-speed spindles in there that worried about air. Our DMGs use ordinary comp air and water trap/ oiler.

V8MoneyPit:
It's only a 6000rpm spindle, but the installation engineer suggested a dry air source. We have a couple of regulator type filters/traps which we will fit anyway. But we might consider a proper drier too. We are only needing a low cfm unit so only around £600..... but £600 is £600!

graham:
 The CNC will have set you back a bit and would be worth spending another £600 last thing you want is moisture in the pneumatics, if you have any problems with the new machine the supplier will point to non filtered wet air.

V8MoneyPit:

--- Quote from: graham on July 24, 2008, 22:53:31 --- The CNC will have set you back a bit and would be worth spending another £600 last thing you want is moisture in the pneumatics, if you have any problems with the new machine the supplier will point to non filtered wet air.

--- End quote ---

My thoughts exactly. I think my colleague is now convinced! As it happens, another company on site has a drier that they may not need. We'll find out Monday if they are willing to part with it. Otherwise we'll be buying the new one.

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