G43.4 on NTX2500 CELOS
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  1. #1
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    Default G43.4 on NTX2500 CELOS

    We have a new NTX2500 with Celos/Fanuc 31iB5, I am programming with Featurecam and we have a post supplied by Autodesk.

    I am going through it proving the post out, and so far it seems solid, just a few very minor tweaks.

    Today I tried a simple 5 axis simultaneous path, machining a tapered hole with an endmill with a swarf toolpath. Problem I'm having is that with G43.4 enabled, it seems to move correctly in X-Z-B, but not in Y-C. Visually, it looks like C is moving about the right amount to follow the toolpath, but Y distance is somewhere around the actual coordinates in the program, i.e very little Y axis movement, and not following C properly.

    Full code is a lot of lines, I trimmed a whole lot of it out of the middle to post here.

    Anyone know what might be going on?

    %
    O0001(TEST PART 2)
    ( MORI SEIKI NTX )
    ( 03/06/2020 - 18:53:18 )


    N1 ( WNT 54 612 164-ROTARY )
    ( MAIN SPINDLE, Z-AXIS ROTARY TOOL )
    ( FINISH1 SWARF SRF_MILL1_1 )
    G17 G21 G40 G54 G80 G98
    M69
    G0 T17 ( WNT 54 612 164-ROTARY )
    G361 B-90.0 D0.
    G43 H1
    M594
    M369
    M45
    G28 H0.
    M303
    G97 S6000 M13
    G0 C-1.371
    G49
    G43.4 D9
    X340.819 Y-1.993 Z59.531 B-49.98 M8
    X182.031 Y-0.093 Z-35.048
    G1 X178.174 Y-0.047 Z-37.345 F625.
    Y-0.049 B-49.977 C-1.424 F1250.
    Y-0.051 B-49.974 C-1.478
    Y-0.053 B-49.971 C-1.532
    Y-0.054 B-49.967 C-1.586
    Y-0.056 Z-37.346 B-49.964 C-1.64
    Y-0.058 B-49.961 C-1.693
    Y-0.06 B-49.958 C-1.747
    Y-0.062 B-49.955 C-1.801
    Y-0.064 B-49.951 C-1.855
    Y-0.066 B-49.948 C-1.909
    Y-0.067 B-49.945 C-1.962
    X178.175 Y-0.069 B-49.942 C-2.016
    Y-0.071 B-49.939 C-2.07
    Y-0.073 Z-37.347 B-49.935 C-2.124
    Y-0.075 B-49.932 C-2.178
    Y-0.077 B-49.929 C-2.231
    Y-0.079 B-49.926 C-2.285
    Y-0.08 B-49.923 C-2.339
    Y-0.082 B-49.919 C-2.393
    Y-0.084 B-49.916 C-2.447
    Y-0.086 B-49.913 C-2.5
    Y-0.088 Z-37.348 B-49.91 C-2.554
    Y-0.09 B-49.907 C-2.608


    ...big chunk of code trimmed out...


    X178.174 Y0.07 B-49.94 C2.022
    Y0.068 B-49.941 C1.968
    Y0.066 B-49.943 C1.914
    Y0.064 B-49.944 C1.86
    Y0.062 B-49.946 C1.806
    Y0.06 B-49.947 C1.752
    Y0.058 B-49.949 C1.698
    Y0.057 B-49.95 C1.644
    Y0.055 B-49.952 C1.59
    Y0.053 B-49.953 C1.536
    Y0.051 B-49.955 C1.482
    Y0.049 B-49.957 C1.428
    Y0.047 B-49.958 C1.374
    Y0.045 B-49.96 C1.32
    Y0.043 B-49.961 C1.266
    Y0.042 B-49.963 C1.212
    Y0.04 B-49.964 C1.158
    Y0.038 B-49.966 C1.103
    Y0.036 Z-37.345 B-49.967 C1.049
    Y0.034 B-49.969 C0.995
    Y0.032 B-49.97 C0.941
    Y0.03 B-49.972 C0.887
    Y0.029 B-49.973 C0.833
    Y0.027 B-49.975 C0.779
    Y0.025 B-49.976 C0.725
    X178.173 Y0.023 B-49.978 C0.671
    Y0.021 B-49.979 C0.617
    Y0.019 B-49.981 C0.563
    Y0.017 B-49.982 C0.509
    Y0.016 B-49.984 C0.455
    Y0.014 B-49.985 C0.401
    Y0.012 B-49.987 C0.347
    Y0.01 B-49.989 C0.293
    Y0.008 B-49.99 C0.239
    Y0.006 B-49.992 C0.185
    Y0.004 B-49.993 C0.131
    Y0.003 B-49.995 C0.076
    Y0.001 Z-37.344 B-49.996 C0.022
    Y-0.001 B-49.998 C-0.032
    Y-0.003 B-49.999 C-0.086
    Y-0.005 B-49.998 C-0.139
    Y-0.007 C-0.193
    Y-0.008 B-49.997 C-0.246
    Y-0.01 B-49.996 C-0.3
    Y-0.012 B-49.995 C-0.353
    Y-0.014 Z-37.345 B-49.994 C-0.407
    Y-0.016 C-0.46
    Y-0.018 B-49.993 C-0.514
    Y-0.019 B-49.992 C-0.568
    Y-0.021 B-49.991 C-0.621
    Y-0.023 C-0.675
    Y-0.025 B-49.99 C-0.728
    Y-0.027 B-49.989 C-0.782
    Y-0.029 B-49.988 C-0.835
    Y-0.031 B-49.987 C-0.889
    Y-0.032 C-0.942
    Y-0.034 B-49.986 C-0.996
    Y-0.036 B-49.985 C-1.049
    Y-0.038 B-49.984 C-1.103
    Y-0.04 B-49.983 C-1.156
    Y-0.042 C-1.21
    Y-0.043 B-49.982 C-1.263
    X178.174 Y-0.045 B-49.981 C-1.317
    Y-0.047 B-49.98 C-1.371
    G0
    X252.993 Y-0.942 Z7.22
    Z28.0
    G49
    M595
    M5
    M46
    M9
    G28 U0. V0.
    G28 W0.
    G0 B-90.
    M30
    %

  2. #2
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    Default

    In case anyone else ends up here with the same question, the machine was set to "Workpiece Coordinate System", when it was required to be in "Table Coordinate System".

    Parameter 19696.5 1 > 0

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