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Help with Vacuum Chucking

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Forum topic by thewoodworker01 posted 12-28-2012 11:10 PM 758 views 0 times favorited 3 replies Add to Favorites Watch
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thewoodworker01

89 posts in 896 days


12-28-2012 11:10 PM

Topic tags/keywords: vacuum chuck pump woodturning oak walnut maple lathe turning

Ok so recently I have been looking at vacuum pumps on ebay. I have found a few pumps, but I don’t know what size CFM to go with. I’ve seen 6 cfm, 4 cfm, and 3 cfm. What works the best for vacuum chucking on a wood lathe? I know I can get an adaptor for the outboard side of my lathe from Oneway. (The hose attachment with the bearing inside – which allows the hose to stay stationary while the spindle spins.) But I just don’t kow what size pump to go with. Is there any specific model that works better than other brands?

-- Most people say "Measure Twice, Cut Once." I say, "Cut Twice, Measure Once".


3 replies so far

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cosmicturner

403 posts in 2146 days


#1 posted 12-28-2012 11:29 PM

I sure love my Gast Vacuume Pump you can get them from Packard Woodworkings or Craft Supplies USA either places are really good stores..they are about $450.00 and in my opinion only get the OneWay stuff, you will want all three sized chucks not sure if they still make a 12” or not but the 3 1/2” 5 1/2” and 10” all have there place and you can make your own replacement gaskets with 3M spray adhesive and craft scrapbooking foam
you will love it my friend makes rechucking easy

-- Cosmicturner

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MonteCristo

2098 posts in 939 days


#2 posted 12-29-2012 12:02 AM

+1 on Oneway’s system, which includes a Gast pump.

-- Dwight - "Free legal advice available - contact Dewey, Cheetam & Howe""

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mpax356

50 posts in 1243 days


#3 posted 12-29-2012 11:07 PM

I have a document on my blog that goes into some detail on my vacuum system. You can access it here
http://mikepeacewoodturning.blogspot.com/p/woodturning-resources.html

I respectfully disagree with folks that say “only get…” since I believe there is more than one road to someplace you want to go. Some approaches are more elegant and generally more expensive. Some are less elegant, less expensive and might still meet your needs. Kind of depends on what you value, your skills and your resources. My system is based on a used Gast pump off eBay and a rotary adapter form JTTurningTools. My system was less than $250.

-- MPax, Atlanta

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