Mastercam acme threading
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  1. #1
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    Default Mastercam acme threading

    I am trying to figure out how I can make mastercam spit out code for a 4,6,8 acme thread using g32 and staggering the tool from the the left side to right side of the thread to help with chatter. I am very basic using mastercam. so please explain everything and use pictures if possible.

    If it cant be done, how can I write it out manaully? I dont fully understand how to figure out the Z difference when starting into the part.

    Thanks guys

    -shawn

  2. #2
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    This is the code I used today.

    N10 G40 G99 G20
    G50 S600
    G0 X6.1 X.3 T0404 M05
    T0404 M08
    G97 S250 M3
    G0 X6.1 Z.3
    G76 P010029 Q40 R.008
    G76 X5.795 Z-15.55 R0 P1022 Q70 F.1667
    G0 X6.1 Z.3
    M9
    M30

    It worked great until it got down to 5.825. Then it started to chatter like crazy. There has to be a different way of doing it. Or a better way then what I tried.

    Btw. I was cutting a 6 x 6 acme in 1018 tubing.

  3. #3
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    Default

    You can do this with a grooving cycle and a quick post mod


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