[Jewelry making - Article 00177] - Re: [Orchid] Flex-shft on the left

[Dave]

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    Just some thoughts on the flex shaft handpieces,,, first, the way
    the cutting surfaces on a bur are set up, are such that, when it's in
    your right hand, and you are pulling it towards you, this is called
    conventional milling(flutes, spinning counterclockwise[ccw] moving
    into the cut),, and is an aggressive cut, which works well if you have
    control of the stroke., this is my carving stroke also because for
    one thing, you can see where the burr comes off the material.( coming
    onto the material is important too,, that is estimated when pulling
    with the right)  Then moving the handpiece away from you(in the right
    hand) is called climb milling,,, used for taking off a smaller
    amount, or cleaning , same as pulling with the left, mind you.  You 
can
    get used to working it with either hand, by experimenting,,
    especially for cleaning tasks(rotary stones, sandpaper, fine burs)
    and of course if you're using it as a pen, you use your left if your
    lefty.( As for dust,, i work under a dust collector hose, dust mask,
    shield, glasses, etc. if i want to get rid of it,, or with no
    collector if i'm carving gold and i want the dust.  But of course, to
    make yourself totally ambidexterous(#1 definition of dexterity is,
    Right- Handedness,, yea, right) and the machine too, use a collet
    handpiece and a motor with a reverse switch, then you get either
    rotation with either hand. dp 


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