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Thread: Buffing Machine

  1. #1
    Join Date
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    Default Buffing Machine

    G'day.

    This most likely belongs in the metalwork section but it is something I built out of bits to make a large buffing wheel for polishing guitars.

    In a past life I installed, upgraded & decommissioned small Auto Teller Machines.
    I have saved a few of the steel cabinets (the safe) to use for various projects.
    This one has had the front door removed & a hole cut in the side to mount a 2HP electric motor taken from a a home made lathe.
    I used a couple of pieces of 75mm box section for feet on the bottom & the bearing mounts on the top.
    A friend with a big metalwork lathe cut threads on a length of 1" steel shaft.
    The pillow block bearings, pulleys, A section belt, nuts & washers are bought new, everything else is recycled.





    More pics to come when I mount the wheels on it.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

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  3. #2
    Join Date
    Apr 2006
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    Default

    Looking good Cliff. What size wheels are you going to run ?
    ​Brad.

  4. #3
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    Default

    I have three 14" mops from Stewmac, one for each compound.

    There is room on the thread to stack more than one mop on at a time if I wanted to.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  5. #4
    Join Date
    Feb 2006
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    Default

    Looks good Cliff. I have a question about what sort of steel the spindle is made of? I realise you are polishing wood but unsupported ordinary steel 1" spindles that long would not normally be used by metal workers as it only takes a knock for the shaft to be thrown out of alignment which can rapidly self bend into a rotating unbalanced arm that can destroy the machine not to mention the operator dangers involved.

    I have in mind a cheap long 1/8" bit that I was running at only 2000 rpm in my DP. After a couple of holes it accidentally developed a bend near the chuck jaws and without any notice turned into a one blade propellor.

  6. #5
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    Default

    I told the metalworker friend what I wanted to do with it.

    It only runs at 722RPM.

    I copied the Stewmac one, it is the same length, same shaft size, runs at the same speed & mine has less overhang from the outer edge of the bearing.

    I do know what you mean, I saw it happen to a bloke boring a hole on a lathe with a spade bit in a taper chuck in the tail end, when he pulled back, the bit stayed in the wood & pulled the chuck out of the tail & bent.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  7. #6
    Join Date
    Nov 2004
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    Millmerran,QLD
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    Default

    Cliff

    I love the concept of making something from virtually nothing. I am assuming the long shaft is to give enough room to manoeuver the instruments.

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

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