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Thread: converting a grinding machine to polish machine?

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Oustoura converting a grinding machine... 11-01-2015, 09:48 PM
Utopian Yes it is more elaborate than... 11-01-2015, 10:13 PM
Geezer Tapered spindles will help.... 11-01-2015, 10:56 PM
eddy79 I have just finished... 11-02-2015, 01:13 AM
Oustoura Well I'll do this I found a... 11-02-2015, 01:58 AM
  1. #1
    Senior Member Oustoura's Avatar
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    Question converting a grinding machine to polish machine?

    Hey SRP,

    finally i decided to buy a polish machine. something like this ; Name:  touret-a-polir-psm-200,0_637.jpg
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    but in my area in the big store i can not find any of these but only the grinding machines with stones. as i have limited budget (about 60 70$) i can not command on the internet because it costs more than 100$ with delivery etc.

    so i was wondering if there is any way to convert a grinding machine ( thins kind Name:  822695_RB_00_FB.EPS_1000.jpg
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    to a polish machine as in the first picture?

    i don't know these machines at all so i don't know if i need to just replace the polish discs and take off the stones or i need something else to do for this job?

    thanks for every comment

  2. #2
    illegitimum non carborundum Utopian's Avatar
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    Yes it is more elaborate than just replacing the stones with cloth discs. The main problem with the grinders is that the stones are too close to the motor so you need an arbor extension for the shaft. These will move the discs farther outward to allow adequate clearance for working with razors.

    Also, make sure that the grinder is no more than 1700 or 1800 rpms. Do NOT get a 3600 rpm machine.

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    Senior Member blabbermouth Geezer's Avatar
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    Tapered spindles will help. Get them for the exact size of you machine shaft!
    [URL="http://www.caswellplating.com/buffing-polishing/buffing-adapters/tapered-buffing-spindles.buffing-polishing/buffing-adapters/tapered-buffing-spindles[/URL]
    Similar spindles are available other places like the 'bay and amazonalso at varying cost.

    I have had no problem with 3600 RPM machines because i use 4" diameter or less buffing wheels.
    That said, I do strongly suggest that you read a lot on the subject before you start out. A buffer cn inflict serious injury on parts and also upon the operator!

    ~Richard
    Be yourself; everyone else is already taken.
    - Oscar Wilde

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    cudarunner (11-02-2015), eddy79 (11-02-2015), Oustoura (11-01-2015), Utopian (11-01-2015)

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    Senior Member blabbermouth eddy79's Avatar
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    I have just finished converting a grinder. You only need a small one with a 1/3 to 1/2 horsepower. Then you need extensions and the tapered spindle really do make it easy. The rpm will dictate the wheel size so do your research. There are plenty of threads so do the research first then buy.
    My wife calls me......... Can you just use Ed

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    Senior Member Oustoura's Avatar
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    Well I'll do this I found a machine with 180W or 200W, for 20 bucks ( for more I don't want to pay to much, I think to have an other one when I move to another apart) . Just need these spindles to find. I'll make a tour to stores ask for them.

    The spindle diameters are standards? For the longer I understood how it works but no idea about diameter.

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    illegitimum non carborundum Utopian's Avatar
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    Spindle diameters are not standard. I suggest that you will want to confirm that you can acquire matching sizes before you buy anything.
    ScottGoodman and Geezer like this.

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