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Thread: Buffer recommendations?

  1. #21
    'with that said' cudarunner's Avatar
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    Quote Originally Posted by scag315 View Post
    Would the 4" wheels be safer to use with it at such a high rpm?
    When I was building my variable speed buffer the man who was of so much help provided me with this information. I hope it helps you; I've put the important part in bold;

    Roy, take this little formula to figure your speed:
    rpm of motor divided by the diameter of the pulley.

    Use this as an example.
    1750 rpm divided by 6" pulley=291
    291rpm divided by 3" pulley = 97 rpm

    A 10 inch wheel will run 97 rpm. So will a 6 inch wheel.

    The surface speed is a different matter though. You might want to drop down to a smaller wheel:

    A 10" wheel at 97 rpm is running 3,048 inches per minute.
    A 6" wheel at 97 rpm is running 1,828 inches per minute

    Formula to figure surface speeds of wheels:

    10" x 3.1416 x 97 = surface inches per minute.
    6" x 3.1416 x 97 = surface inches per minute.


    I ended up using 4" wheels and love them!
    Our house is as Neil left it- an Aladdin’s cave of 'stuff'.

    Kim X

  2. #22
    Senior Member BeJay's Avatar
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    I usually use 4", but I have some 2" wheels that are really nice for using greaseless on hollow grounds.

  3. #23
    I used Nakayamas for my house mainaman's Avatar
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    Quote Originally Posted by BeJay View Post
    I usually use 4", but I have some 2" wheels that are really nice for using greaseless on hollow grounds.
    The smallest wheels I have found that fit on my Baldor are 3", very handy for very hollow blades. Even they can be too big sometimes, then I use my Dremel.
    Stefan

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