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  #1  
Old 04-17-2018, 01:47 AM
Options Options is offline
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Join Date: Mar 2018
Location: McDonald, PA
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Default Compressor size

I have a pancake compressor that I use for my nail guns and a Grass hinge boring machine, etc. but want to plumb the shop for air and upgrade it to one with a dryer to handle everything including a Panther PT-408 with a 3kw spindle, fast tool change, counter balance & locator pins.

I'll likely buy a Champion compressor as I am familiar with them and they are easier to field service than most. What size (cfm/psi, single or two stage, etc.) would you recommend?

Thanks
Ron Hampe

Last edited by Options; 04-17-2018 at 01:58 AM. Reason: typo's
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  #2  
Old 04-17-2018, 08:23 AM
Milzie Milzie is offline
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If you have any plans of spray finishing, or running air sanders, buy the biggest you can afford. We have a 5HP 2 stage with 80 gallon tank. Works fine for everything except the air sanders. Air sanders work, compressor just runs more than I like it to.

My recomendation would be to just buy a 5HP 1 or 2 stage with a 60gal or larger tank. Should cover you for pretty much anything you want to do now or in the future.
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  #3  
Old 04-17-2018, 09:37 AM
Jim_in_PA Jim_in_PA is offline
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I agree with the previous poster. My compressor is a 3hp IR 60 gallon and fine for my small shop, but if I was using more air tools, I'd want a little more CFM. Mine is primarily used for spraying finish and powering air nailers.
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  #4  
Old 04-17-2018, 10:09 AM
The real JP The real JP is offline
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I bought a 15cfm @90 mainly for my finishing. Of course a year later I got a hvlp turbine unit.

The counterbalance just provides static pressure to lift the spindle so the Z doesn't do as much work. A small compressor would be fine, there really isn't any flow to speak of.

Get one for your other needs, that type of cnc wont use much.
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June 2017 Stinger 3 SR48
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  #5  
Old 04-17-2018, 10:48 AM
de5 de5 is offline
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I have the same compressor as Jim (post #3) and it is plenty for my Cobra ATC plus a little spraying at the same time.
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  #6  
Old 07-21-2018, 10:40 AM
vgibson vgibson is offline
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Join Date: May 2018
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Default compressor size

Just picked up my Stinger I with HSD 1 HP spindle and am realizing I need air for the counter balance. I am new to CNC but really excited to get it up and running. I have a 12 yr old PC 6 gal. 150 PSI, 3.5 SCFM pancake compressor, but I know it has some rust in the bottom of the tank. And boy is it noisy. I am willing to spring for a new compressor ( I have no other needs in my shop for air) but I have no clue what size or specs. to look for. Cant find any specs. for counter balance air on Stinger I. Would appreciate hearing from anyone.
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  #7  
Old 07-21-2018, 11:29 AM
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Gary Campbell Gary Campbell is offline
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Most any compressor will be capable of providing the minimal amount of air that a counterbalance requires. Even one of those "12 pack" Senco mini versions. Some guys have even run them off one of those tire filling tanks
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  #8  
Old 07-21-2018, 11:39 AM
vgibson vgibson is offline
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Default Compressor size

Thanks very much for the reply Gary! I'll have to go shopping this weekend.
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  #9  
Old 07-21-2018, 03:48 PM
keithrhyde keithrhyde is offline
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Join Date: Jun 2016
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I have a California Air Tools compressor which is the quietest I could find at 60db or conversation level. I bought the 10 gal model and I plumbed that into a 100 gallon storage tank and it does everything I need. I have owned it for a few years and I have had no issues with it. Read the reviews on them and you will find they are all good. I bought mine through Amazon. If you want quiet than you will love this compressor. Cheers.
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