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  1. Re: Homemade desktop CNC - cutting 0.8mm mild steel out the question?

    Is the part particularly small? No possibility of running a couple of bolts through it?

    If I had to guess I'd say the last .2mm of your tool is now exceedingly blunt and flex in the system is...
  2. Re: Homemade desktop CNC - cutting 0.8mm mild steel out the question?

    Program tabs into the job and leave about 0.25 mm in about 3 or 4 places.
    This will hold it but allow you to snap it out the sheet easily.

    .
  3. Re: Homemade desktop CNC - cutting 0.8mm mild steel out the question?

    nothings impossible with the right cutter, power and rigidity... you'll need to use a small, e.g. 3mm, cutter to bring the revs required into a possible range...

    rough calcs...
    cutting speed...
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    Re: Does this quote seem reasonable?

    It is easy to get a depth stop that you require.
    Doing something like I have shown in the sketch will get you within a couple of thou tolerance for each one.
    You don't have to use the bit of wood,...
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    Re: Does this quote seem reasonable?

    Why not just stick the pieces to a square bar magnet using the ends not requiring plating, like a hedgehog effect. The bar magnet should be able to conduct the power OK.

    Bogs
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    33,470

    Re: Does this quote seem reasonable?

    Have you tried googling for 'steel dowel pins'?
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    Re: End mill depth 'stop' rings

    Hank
    Try these http://www.bohan.co.uk/setrings.htm
    Dont know the price but at least they list them.

    Peter

    Just found these http://www.crownhill.co.uk/level3.php?cat=51
    and a price!
    At 60p...
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    Re: Homing switches & 'methods of working' (Mach3)

    Andy has it in one,
    Read up in the Mach manual on the use of G54
  9. Re: Homing switches & 'methods of working' (Mach3)

    Hi Rob

    Home switches are useful for repeatability if you want to use the center of the table you will use one of the offsets in Mach, G54 onwards I think they are, so you could set up a fixture in...
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