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  1. #1
    Join Date
    Jul 2006
    Location
    Australia
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    64

    Default Old grinding wheels

    I picked up a nice old electric motor and a few grinding wheels from a junk shop yesterday. My plan is to reinforce the wheels with a plywood and epoxy backing and mount them on the motor so I can use them to grind metal like you would use a disk sander for timber. I'd like to know if there are any hazards associated with using uniderntified grinding wheels. I know about side-loading, overspeeding and cracks but have grinding wheels ever contained asbestos or something else particularly nasty?

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  3. #2
    Join Date
    May 2006
    Location
    Cowra - Central West NSW
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    813

    Default

    Using a tool for job it was never intended for is always trouble. Not sure about the asbestos or not though?
    Are you wanting to use it like a surface grinder? They come up in auctions from time to time.

    Good Luck
    Steven Thomas


  4. #3
    Join Date
    Jul 2006
    Location
    Australia
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    64

    Default

    Not as a surface grinder like you would use in a milling machine. I want to use it for similar sort of work that a conventional bench grinder would do, but with a bit more flexibility and working space. I'm getting started in forging steel tools and I hope to use this grinder for very rough dressing of forged surfaces. I'm following much of what Alexander Weygers describes in "The Making of Tools". He calls this machine a side grinder but I've never heard the term elsewhere.
    Thanks for the reply.

  5. #4
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    4,475

    Default

    Most likely will work ok, make sure you wear face mask and if it does disintergrate before your eyes, in won't be in you eyes

  6. #5
    Join Date
    Jul 2006
    Location
    Australia
    Posts
    64

    Default

    Anything I end up building will be left running for a good while before I go anywhere near it. I don't think there's too much risk of disintegration though. I wont be doing very heavy work, the wheels seem sound and epoxy is good stuff.

  7. #6
    Join Date
    May 2007
    Location
    Hunter Valley NSW
    Age
    70
    Posts
    69

    Default

    Just stand to one side on start up. I'm told that is the most likely time for a wheel to disintegrate. I've never seen one do it and I never want to. I'll bet the old motor won't have a slow start either.

    WB

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