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Thread: Air Sander

  1. #1
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    Dec 2006
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    Air Sander

    Ok slipped away from the wife while Christmas shopping. Have been thinking for awhile about getting a air sander. Looked at the Grex but it said it takes 8 cfm which my compressor won't handle. Mine is a 1.6 hp, 33 gal tank and says 5 cfm at 90 psi. I think that would be closer to 4 cfm at 90 psi. A bigger compressor is out of the question mostly because of size (small shop) and money. Anyway saw a Ingersoll Rand 301 air sander that said it takes 3 cfm to run at full tilt which I think could be lived with. It has a 1/4" collet which would take my sanding pads. Does anyone use a air sander or have any recommendations on one that would work on my compressor?
    Bernie W.

    Retirement: Thats when you return from work one day
    and say, Hi, Honey, Im home forever.

    To succeed in life, you need three things: a wishbone, a backbone and a funnybone.

  2. #2
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    RETIRED(!) in Austintown, Ohio
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    Bernie,
    That's essentially a die grinder, not a sander. It turns at 20,000 rpm - nearly as fast as a router! It'll fling sanding disks like frisbies - all over your shop!

    Nearly all pneumatic sanders are gonna eat a lot of air, but this one might be worth looking at.
    Jim D.
    Adapt, Improvise, Overcome!

  3. #3
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    Bernie, I looked at the specs which state: "3-cfm air consumption (14 at load) for efficiency; 20,000-rpm for fast results"
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  4. #4
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    Thanks for the info Jim. I was looking at this one Bill but on the sears site it doesn't give much info. Will do some more looking.
    Bernie W.

    Retirement: Thats when you return from work one day
    and say, Hi, Honey, Im home forever.

    To succeed in life, you need three things: a wishbone, a backbone and a funnybone.

  5. #5
    Join Date
    Apr 2010
    Location
    Geneva Oh
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    9
    http://www.ingersollrandproducts.com...px?am_en=33792

    R025B-PSV-1 Air Consumption @ Free Speed cfm 15.8 (L/min) (447)

  6. #6
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    I've done very little turning. A friend in Florida who did nothing but turning had something like this unit.
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  7. #7
    Join Date
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    Oak Harbor Washington on Whidbey Island
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    I thought about this & decided that I didn't want to run two tools to do one tools job. Brsides that the air compressor was right next to the lathe. So I purchased one of these several years ago. Make sure to get the pro model. Mine works great.

    http://community.craftsman.com/Craft...ws?tab=details
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

  8. #8
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    Bernie, I call my Grex the "magic scratch eraser". By the time I included the 5 hp 20 cfm compressor to go with it, it's about the second most expensive tool in my shop, but it has been worth it to me. I also have a 3" Metabo electric ROS, but there are some things that just need the smaller 2" disks and the deeper reach of the Grex. I don't know if this one's any good, but at least it uses the smaller disks:

    http://www.harborfreight.com/air-ang...der-93629.html

    As far as I can tell, though, it's only an orbital sander, not a random orbital sander. That'd make a big difference in the finish quality. The Apprentice sander Bill linked to is a random orbital sander, although I suspect the 4 cfm spec is kind of optimistic. (The Grex specs used to also say something like 3 or 4 cfm.) I also use a right-angle drill along the lines of the one Bart linked to, but here again, that's essentially an orbital sander, not a random orbital sander.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  9. #9
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    Thanks guys I appreciate the info. I called Grex and also got some info from Vince. So I think I am going to bite the bullet and order it. Vince has the best price. A friend told me the same thing Vince did. He said use the angle drill for the heavier grits 80 to 220 and then use the Grex from 280, 320, 400, 600. My buddy said it definitely gives him excellent surface. My buddy told me the same thing Grex did that if you turn the speed/air down with the adjustment to around 8,000 he thought it would be fine for woodturning. Guess we will see. So guess after getting the go ahead from the LOML of 44 yrs this month (gloat) and she said if the compressor doesn't do it we would talk about it. I guess I will order it with Vince's Cera-Max pink discs. He seems thinks that will give me a superior surface. Wooohoooo
    Last edited by Bernie Weishapl; 12-16-2011 at 03:20 AM.
    Bernie W.

    Retirement: Thats when you return from work one day
    and say, Hi, Honey, Im home forever.

    To succeed in life, you need three things: a wishbone, a backbone and a funnybone.

  10. #10
    Join Date
    Oct 2006
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    ABQ NM
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    Sounds great, Bernie. I suspect you're gonna love that sander.

    If you're interested, you might check out Eaton compressors. I know I've been very happy with mine. It seemed to be the best bang for the buck when I bought mine.

    http://www.eatoncompressor.com
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

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