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Angle grinder to buffer adapter DIY?

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  • Angle grinder to buffer adapter DIY?

    Just wanted to know if anyone knew of any DIY's for this. I've seen the Caswell product for the 5/8-11 adapter to fit buffing wheels to an angle grinder, but with shipping I just can't justify paying $23.XX for what looks like a hex swivel sleeve and a bolt with 2 washers. Sorry, I don't mean to sound rude about the product but any help would be much appreciated!

  • #2
    Re: Angle grinder to buffer adapter DIY?

    I made one using a 5/8-11 coupling nut brazed to a big washer with some holes drilled in it to mount the back-up pad.

    To mount a buffing wheel you would of course need to braze on something to hold the wheel. It's certainly more trouble than the 20 some dollars it would cost to get one from Caswell, and besides, then you would know it is aligned and won't vibrate.

    Richard

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    • #3
      Re: Angle grinder to buffer adapter DIY?

      those coupling nuts are threaded at both ends , one end fits on the grinder or polisher and at the other end you use a 5/8 bolt with a large washer on each side to bolt that buffing wheel to the
      coupling nut.
      those coupling nuts can be found in most hardware store.

      when you say an angle grinder do you mean an angle polisher/sander with a variable speed or are are referring to a real grinder with no speed control and a 10,000 rpm speed .
      those high speed grinders are no good for polishing and they are very dangerous.
      http://www.peintureenpoudrepb.com
      http://www.polissagepb.com
      http://www.powdercoatpb.com
      baz

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      • #4
        Re: Angle grinder to buffer adapter DIY?

        I have a 4 1/2 angle grinder from Harbor Freight rated at 12,000 rpm. Baz, from what you're saying what would you recommend the rpm's be for polishing with a 4" wheel?

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        • #5
          Re: Angle grinder to buffer adapter DIY?

          i would not go above 6000 rpm . i would even reccomend 3600 rpm as a maximum , this would take longer to get the job done but would make the job much safer.
          i know some use those for polishing but my opinion is that 12000 rpm is way too fast for polishing . i have been polishing for over 20 years and i can tell you that using those grinders for polishing is just an accident waiting to happen.

          if you want to do things right then you could get a 7 inch sander/polisher with variable speed 0 /3600 rpm , they have much more torque than a grinder and they will allow you to use a larger 6 or 8 inch wheel and you could even stack 2 wheels together to get a wider buffing wheel.
          Makita / Dewalt and a few others sell those polishers ,they can be used for polishing or sanding and you can use them with buffing wheels ,buffing pads,flap wheels,sanding pads as well as many other attachment. they are well worth the investment and will last for many years.
          http://www.peintureenpoudrepb.com
          http://www.polissagepb.com
          http://www.powdercoatpb.com
          baz

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