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  1. #16
    BobL is online now Member: Blue and white apron brigade
    Join Date
    Feb 2006
    Location
    Perth
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    5,265

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    I bought these 1m long x 25 mm wide tie straps with self clamping grippers on eBay for $1.50 each for another project that didn't go anywhere and decided to use them in this simple emery paper holder

    The metal frame is a piece of 25mm SHS Al cut to shape with the WW BS.

    IMG_3935.JPG

    I got SWMBO to sew the two straps together like this so the combo is a bit shorter than the Al frame and then cut the excess straps off.
    IMG_3936.JPG

    The emery can be reversed so the paper is either firm up against the Al as shown below, or with the paper hanging out in the breeze as shown in the first image.
    IMG_3937.JPG

    Think I might get some more tie straps and make up a couple of these.

  2. #17
    Join Date
    Aug 2008
    Location
    Charlestown NSW
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    61
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    1,234

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    A story about lathes and emery.
    Years ago, when I worked in the power station, there was an incident in the machine shop. I did not witness this incident myself although I was familiar with the lathe and the part involved.
    One day one of the blokes (Stan) that worked in the machine shop, was using one of the bigger Colchesters ( I think it was a Mastiff 1800) and he had a S/S spacing sleeve from a pump in it. The sleeve was about 400mm maybe 500mm long ( this was around 1885 so my memory of exact sizes is a bit hazy now), about 200 maybe 250 ID with a internal keyway about 25mm wide X about 12 deep in it. Apparently the bore was slightly under size so he was trying to hone it out using some fine emery attached to a length of wood.
    Anyway during the process the emery or the wood got snagged in the keyway, pulled his hand and arm into the bore and the sharp edge of the bore and keyway sliced his arm off. As you can imagine it all happened pretty quickly, and it didn't slow the machine down at all.
    At the time I didn't realise it had actually taken his arm off (or almost off) It was only years later that there was a story on 60 minutes or one of those shows about the surgeon who reattached his arm and they interviewed Stan about what had happened and how he had been repaired.

    Scary stuff. I've never liked using emery on a lathe even though I will when I have to. So, so easy to get complacent and get caught.

    Peter

  3. #18
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
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    67
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    4,225

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    Quote Originally Posted by bollie7 View Post
    The sleeve was about 400mm maybe 500mm long ( this was around 1885 so my memory of exact sizes is a bit hazy now), about 200 maybe 250 ID with a internal Peter
    Jeez Pete, when I last saw you you looked about 50, you hold your age well for someone who's about 150 years old!!!!!
    My memory would be a bit hazy too, if I was that age.
    Kryn
    To grow old is mandatory, growing up is optional.

  4. #19
    Join Date
    Aug 2008
    Location
    Charlestown NSW
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    61
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    I could easily say that that was a deliberate typo to see if anyone was on their toes, but that would be handling the truth extremely carelessly.
    In fact that was a seniors moment. A "way past my normal bed time" seniors moment in fact.

    Peter

  5. #20
    Join Date
    Aug 2019
    Location
    Sydney, Australia
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    52
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    65

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    Quote Originally Posted by bollie7 View Post
    Anyway during the process the emery or the wood got snagged in the keyway, pulled his hand and arm into the bore and the sharp edge of the bore and keyway sliced his arm off.
    Wow. That is scary stuff. One would think having the emery at arm's length (on a wooden stick) would be safe enough!

    Doing anything like this (inside finishing, or on a very large lathe) is always going to be a danger. Need a longer stick, so you can stand several feet back?

    For outside polishing/reducing, I always tried to use a very fine file. e.g. a worn out old Sandvick.
    That way, you can hold it LIGHTLY at either end, well away from the job.

  6. #21
    Join Date
    Sep 2006
    Location
    Mallacoota,VIC,Australia
    Age
    49
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    742

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    No sticks with sandpaper on the lathe for me , just the thought is scary. I realise that a fair bit of development went into the sanding attachment on the Sponmech website, but the price is ridiculous.
    All The Best steran50 Stewart

    The shortest way to do many things is to do only one thing at once.

  7. #22
    Join Date
    Jan 2004
    Location
    Mackay North Qld
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    5,013

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    This has been a good thread so I don't suppose there will be too many objections if I move it to the safety file.

    Grahame

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