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  1. #31
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    Jun 1999
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    Westleigh, Sydney
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    Quote Originally Posted by Stuart. View Post
    Back on topic, thanks for the warning about forstner bits - I find they are a very useful tool, and not ever having had a 'close encounter' didn't realise how hard they can bite.

    I'll have a bit more respect for them in future.
    Forstner bits are great for drilling large holes neatly. As long as they are straight in the hole, they are fine, but if they get slightly off line, they can grab, with exciting results. If the hole is not very deep, they can jump out and go waltzing across the job (which is what I'm assuming happened with Terry's victim). If you're using a drill press, the job can act like a helicopter rotor, and if you're using a hand held drill, it can do a quick flick and sprain your wrist, as well as spinning the job if it's not clamped.

    Good practice to always clamp the job down, and smear a bit of candle wax on the outside of the bit.
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  2. #32
    Join Date
    Jul 2000
    Location
    Drop Bear Capital of Gippsland (Lang Lang) Vic Australia
    Age
    74
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    2,238

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    I have been thumped in the ribs a couple of times by the 'helicopter rotor'.
    Hurts too despite the low rpm.
    Stupidity kills. Absolute stupidity kills absolutely.

  3. #33
    Join Date
    Jun 2004
    Location
    Port Sorell, TAS
    Age
    59
    Posts
    177

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    Quote Originally Posted by Terry B View Post
    Bureaucracy gone silly.
    Ah, but do they have the machine that goes 'Ping!'?
    The only way to get rid of a [Domino] temptation is to yield to it. Oscar Wilde

    .....so go4it people!

  4. #34
    Join Date
    Jun 2006
    Location
    Armidale
    Age
    60
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    0

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    Quote Originally Posted by TassieKiwi View Post
    Ah, but do they have the machine that goes 'Ping!'?
    We certainly do and it cost three quarters of a million pounds
    Terry B
    Armidale

    The most ineffective workers will be systematically moved to the place where they can do the least damage - management.
    --The Dilbert Principle

  5. #35
    Join Date
    Nov 2004
    Location
    Hobart, Tasmania
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    I've also had an accident with forstner drill bits before, i was drilling out large 54mm holes in pieces of 12mm mdf for use as braces inside a loudspeaker box, had to drill approx 50 holes of that size, then filled in the gaps with a smaller 32mm bit. anyway, i was holding on to one of the smaller pieces and the drill bit digged in and started the piece spilling quite quickly in the drill press, the mdf (not the bit) put a 1-2cm gash in my thumb (could see the bone), healed up fine though. Doing it again i would have dropped hte drill speed right down and figured out some sort of fixture that allowed me to drill all the holes, at a still decent pace.

  6. #36
    Join Date
    Apr 2002
    Location
    Brisbane
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    Now that one is especialy gruesome

    There is just somethig about a foreign body left poking out.

    Perhaps we shoud have a special " gruseome gallery" that can be there as a reminder and teaching tool.

    It amazes me how we can think we are strong enough and quick enough to controll various power tools without proper methods.

    cheers
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  7. #37
    Join Date
    Jun 1999
    Location
    Westleigh, Sydney
    Age
    78
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    1,332

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    Just back from my plywood supplier & the guy there had a forstner accident in a similar place to the one to the one Terry showed, but on the back of the hand.
    Drilled the hole using a drill press, then as he pulled the job out, the spinning bit caught his hand and wound up bits of tendon etc. Ouch!
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  8. #38
    Join Date
    Mar 2005
    Location
    In the shed, Melbourne
    Age
    53
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    Quote Originally Posted by Terry B View Post
    He has smashed the bones at the base of his middle finger on his dominant hand.
    I make things, I just take a long time.

    www.brandhouse.net.au

  9. #39
    Join Date
    Mar 2006
    Location
    Mildura, Victoria
    Posts
    379

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    Quote Originally Posted by soundman View Post
    Perhaps we shoud have a special " gruseome gallery" that can be there as a reminder and teaching tool.

    It amazes me how we can think we are strong enough and quick enough to controll various power tools without proper methods.

    cheers
    I agree. This post alone has warned me of a foolish habit I have.
    It'd be something like the anti-smoking ads, eh?

    soth

  10. #40
    Join Date
    Apr 2005
    Location
    Japan。
    Age
    49
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    37

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    I have a real simple theory with power tools.

    Read the label where it mentions the power output.

    And keep in mind that an average human can only produce about 200 watts (1/4 hp).

    In a fight with a drill press, you are still down a few watts or so, and logically you will lose.

    We won't go into how much the 5hp table saw out punches you...

    (Maybe not 100% accurate, but it does keep you in perspective of the larger scheme of things.)

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