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  1. #1
    Join Date
    Dec 2014
    Posts
    103

    do I not have something set right in mach3

    I have a smaller cnc and use same setting in cam software everything works fine but I built a 4x8 its up and runnin but i have to change the g code 99% of time any ideas
    N100 G20
    N102 G0 G17 G40 G49 G80 G90 <----- If i change this to G91.1 all works well
    N104 T1 M6
    N106 G0 G90 G54 X44.2961 Y52.4371 A0. S10000 M3
    N108 G43 H1 Z1.
    N110 Z.8
    N112 G1 Z0. F60.
    N114 X44.2949 Y52.4384 F50.
    N116 G2 X44.2961 Y52.4396 I.0012 J0.
    N118 X44.2986 Y52.4371 I0. J-.0025
    N120 X44.2961 Y52.4346 I-.0025 J0.
    N122 X44.2936 Y52.4371 I0. J.0025
    N124 X44.2961 Y52.4396 I.0025 J0.
    N126 X44.2974 Y52.4384 I0. J-.0012

  2. #2
    Join Date
    Dec 2013
    Posts
    5717

    Re: do I not have something set right in mach3

    On the Mach3 General Config screen, try setting IJ mode to Inc.

  3. #3
    Join Date
    Jan 2005
    Posts
    15362

    Re: do I not have something set right in mach3

    Quote Originally Posted by minicncuser View Post
    I have a smaller cnc and use same setting in cam software everything works fine but I built a 4x8 its up and runnin but i have to change the g code 99% of time any ideas
    N100 G20
    N102 G0 G17 G40 G49 G80 G90 <----- If i change this to G91.1 all works well
    N104 T1 M6
    N106 G0 G90 G54 X44.2961 Y52.4371 A0. S10000 M3
    N108 G43 H1 Z1.
    N110 Z.8
    N112 G1 Z0. F60.
    N114 X44.2949 Y52.4384 F50.
    N116 G2 X44.2961 Y52.4396 I.0012 J0.
    N118 X44.2986 Y52.4371 I0. J-.0025
    N120 X44.2961 Y52.4346 I-.0025 J0.
    N122 X44.2936 Y52.4371 I0. J.0025
    N124 X44.2961 Y52.4396 I.0025 J0.
    N126 X44.2974 Y52.4384 I0. J-.0012

    You may just have to change this one setting in General Configuration it needs to look like this snip
    Mactec54

  4. #4
    Join Date
    Dec 2014
    Posts
    103

    Re: do I not have something set right in mach3

    Will try that thank you guys

  5. #5
    Join Date
    Dec 2014
    Posts
    103

    Re: do I not have something set right in mach3

    Thank you so much guys thats all it was

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