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bushing a surface grinder wheel

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  • bushing a surface grinder wheel

    Just received shipment of a Capco SG -- pictures to come in separate post -- but haven't
    wired it yet.

    Takes 1" bore wheels that don't appear as popular as the 1.25" bore.

    Before I hurt myself, any reason I couldn't use 1.25" wheels with a bushing?

    I'd assume the bushing shouldn't be press fit (expansion from heat, etc) -- any recommendations
    on clearance?

    Takes up to 8" wheels, will probably put 7's on.

    Thanks.

  • #2
    Seems like there was an article in the magazines that used Babbitt or lead poured into the wheel then bored out and balanced.
    Byron Boucher
    Burnet, TX

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    • #3
      0.1 mm clearance ought to do it, that is what I got on a big Johansson grinder and a small Jones & Shipman. You can make the bushing out of steel, but do not use aluminum or brass as they expand more than steel.
      Amount of experience is in direct proportion to the value of broken equipment.

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      • #4
        Thank you.

        Tony

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        • #5
          Originally posted by Tony View Post
          Just received shipment of a Capco SG -- pictures to come in separate post -- but haven't
          wired it yet.

          Takes 1" bore wheels that don't appear as popular as the 1.25" bore.

          Before I hurt myself, any reason I couldn't use 1.25" wheels with a bushing?

          I'd assume the bushing shouldn't be press fit (expansion from heat, etc) -- any recommendations
          on clearance?

          Takes up to 8" wheels, will probably put 7's on.

          Thanks.
          ,
          Tony,
          They are called grinding wheel bushings!

          http://www.mscdirect.com/browse/?nav...084+4288173719

          Cheers,


          Les H.
          The Impossible Takes Just A Little Bit Longer!

          Comment


          • #6
            I like to make wheel busings out of nylon plastic or
            some such similar material. You can make the fit
            snug and not worry about expansion issues.

            --Doozer
            DZER

            Comment


            • #7
              Originally posted by Doozer View Post
              I like to make wheel busings out of nylon plastic or
              some such similar material. You can make the fit
              snug and not worry about expansion issues.

              --Doozer
              Yes that works too, but on bigger wheels that mean s a lot of balancing and dressing to get it running true as bigger wheels have "T" or "top" painted on the wheel to idicate in what position it should rest on the spindle or bushing to be as concentric as it was when it was turned to dimensions in the factory. For 7" wheels or so I wouldn't expect much issues, but those 400 mm / 16" wheels really like being balanced at least someway before anything.
              Amount of experience is in direct proportion to the value of broken equipment.

              Comment


              • #8
                Take a look here:
                http://inspectapedia.com/exterior/Co..._Expansion.htm

                Make your bushings out of whatever you like...

                paul
                paul
                ARS W9PCS

                Esto Vigilans

                Remember, just because you can doesn't mean you should...
                but you may have to

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