Problem G76 issue


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Thread: G76 issue

  1. #1
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    Default G76 issue

    I am threading an 8-acme inside thread, I set the Q to 14, however the cut angle is much greater than that. probably closer to 20 or even as much as 25 degrees. when I cut a 60 degree thread and set the compound angle Q to 30 it works fine. has anyone else had this issue and may have a fix for it?

    this is the code:

    G76 P0.125 Z-3.0 I0.100 J0.008 K0.170 Q14 R1.5


    I plan on trying a Q7, but even if that works I would still like to understand the problem.

    thanks for your help.

    Similar Threads:
    Ray,
    Life is a choice, death is choice poorly made.


  2. #2
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    Default Re: G76 issue

    I'm not running LinuxCNC myself, I'm using PlanetCNC which claims compatability with LinuxCNC.
    I copied & pasted your code into my controller and it looked good.
    Picture attached.

    Martin.

    G76 issue-ice_screenshot_20200308-105802-jpg



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G76 issue

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