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Thread: Vacuum Chucking

  1. #1
    Join Date
    Jul 2008
    Location
    Kaneohe HI.
    Posts
    70

    Vacuum Chucking

    Has anyone have any input or used this Vacuum pump or used it for reverse chucking.? It's on sale at Harbor Freight, not much off but better than none at all. It's a US General 2.5 vacuum Pump.Your comments greatly appreciated.:
    -
    Attached Thumbnails Attached Thumbnails US General 2.5 CFM Vacuum Pump.gif  

  2. #2
    Join Date
    Jan 2007
    Location
    Honolulu, Hawaii
    Posts
    1,103

    Vacuum Chucking

    Hi John. sending P/M.

    Aloha, Tony
    "You got to learn from the mistakes of others. You won't live long enough to make them all yourself". (Author unknown)

    "Time flies like..... an arrow,,,Fruit flies like..... a banana." Groucho Marx

    Ah,,,to live in Paradise!

    Registered voting member

    Fighting for all I am worth, and praying every day.

  3. #3
    Join Date
    Dec 2007
    Location
    Billings Missouri near Springfield Mo
    Posts
    4,553
    I hope they are OK I bought one awhile back but havent had a chance use it yet.

  4. #4
    Join Date
    Dec 2009
    Location
    Madison, WI
    Posts
    206
    I've seen folks mill aluminum with nothing but a shopvac (running continuously) to hold it in place. I'm not sure how you'd do this with a spinning lathe, but it does seem to work well.

  5. #5
    Join Date
    May 2007
    Location
    Rhode Island
    Posts
    800
    Joe,
    Check out this you tube video by Bob Hamilton. About how he uses his shop vac as a chucking method. He's a valued member of WR Vaughn & Stu also know him.

    http://www.youtube.com/watch?v=YBgGm7xIfQ0

  6. #6
    Join Date
    Apr 2008
    Location
    Texas
    Posts
    199
    There are several people that have that pump and say that it works fine. I would prefer a little extra CFM but it might work just fine.

    A Vacuum can work pretty well. You just have to have a larger chuck and a good seal because the Shop Vac does not pull as much vacuum and it leaks quite a bit. The adapter that Nova sold was always intended for a shop vac. Also with most vacuums you need some sort of bypass air or you will burn up the unit. I think you can get by without bypass air on the Festool and Fein vacuums because their motors are not cooled the same way but I would check with the manufacture before you do that.

    Good Luck

    Alan
    Last edited by Alan Trout; 12-29-2009 at 02:24 PM. Reason: content

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