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  1. #1
    Join Date
    Nov 2010
    Posts
    0

    Helical Interpolation

    I have a 94 Mazak VTC 41 that I program for. I am curious if this machine will handle Helical Interp, ie. for thread milling. If not can I use G18/G19 in combination with G02/G03 with some sort of Z value to accomplish a thread.

    Thanks for the help guys.

  2. #2
    Join Date
    Nov 2010
    Posts
    0

    BTW

    BTW it is a Mazatrol EIA control

  3. #3
    Join Date
    Jun 2006
    Posts
    247
    the VTC I program is older than that and it handles it fine
    I was just experimenting with some thread milling today,

    G91
    G3 X0 Y0 I-.5 J0 Z.1

    This will mill a full circle, with radius .5", and a helical rise of .1"
    You can write an EIA program, or call an EIA sub from within Mazatrol, or you can insert the code into a manual unit within Mazatrol

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