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IndustryArena Forum > Machine Controllers Software and Solutions > G-Code Programing > Fanuc 18i-tb problem g84/g184 programing.
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  1. #1
    Join Date
    May 2016
    Posts
    10

    Fanuc 18i-tb problem g84/g184 programing.

    Hello all.

    Im truing to tap a M6 thread with the vdi 90deggre tool holder. The machine is leadwell t6-smy dual spindle Y-axis and turret with live vdi tools.
    My program is looking like this.

    G40 G80 G54 G98
    G30 U0
    G18 (zpxp plane selection)
    G97
    T0909
    M90 (C1 AXIS ON MAIN SPINDLE)
    G28 H0
    C30.
    G0 z2. x60.
    M29 S200 (RIGID TAOOING ON)
    G184 Z-10. R0 F0.8
    G80
    G30 U0
    M30.


    The machine is giving me alarm 204 illegal axis operation,


    Can someone help me.

  2. #2
    Join Date
    Sep 2018
    Posts
    27

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Try switching to G01 before calling rigid taping command:

    ...
    G01 M29 S200 (RIGID TAOOING ON)
    ...

  3. #3
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Here is an M code list for that machine https://drive.google.com/drive/u/0/f...zWTMq8RMJxSLLJ
    Tell me if you can't see it.

  4. #4
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Quote Originally Posted by lucaswalker View Post
    Try switching to G01 before calling rigid taping command:

    ...
    G01 M29 S200 (RIGID TAOOING ON)
    ...
    G01 is not helping.

  5. #5
    Join Date
    Sep 2018
    Posts
    27

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Are you sure you need the M29 before the G184 ?

    If you go G184 Z-10. R0 F0.8 S200 it is not performing rigid tapping ? (without the M29 before)

  6. #6
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Quote Originally Posted by lucaswalker View Post
    Are you sure you need the M29 before the G184 ?

    If you go G184 Z-10. R0 F0.8 S200 it is not performing rigid tapping ? (without the M29 before)
    If i remove the M29 comand the machine is passing the g184 ,but nothing happens (it's like skipping it). Hope you understand.

  7. #7
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Btw the G84 is working when im not using vdi turrent ,to rotate the tap tool.
    If im rotating the main spindle and using g84 all is fine.

  8. #8
    Join Date
    Feb 2011
    Posts
    353

    Re: Fanuc 18i-tb problem g84/g184 programing.

    What is telling the vdi tooling rpm ?
    I don't know your machine but the doosan i run has to have a call out for the live tooling station spindle mine is m29s200p12 (the p12 is for the live spindle)
    It looks like you activated the c axis then trying to use the main spindle (m29s200)

  9. #9
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Quote Originally Posted by rcs60 View Post
    What is telling the vdi tooling rpm ?
    I don't know your machine but the doosan i run has to have a call out for the live tooling station spindle mine is m29s200p12 (the p12 is for the live spindle)
    It looks like you activated the c axis then trying to use the main spindle (m29s200)
    Just try to run M29s200p12 ,and again same eror 204:
    M29s200p12
    g184 z-10 r0. f0.8

  10. #10
    Join Date
    May 2016
    Posts
    10

    Re: Fanuc 18i-tb problem g84/g184 programing.

    Finally it's working.
    The program like this:
    g40 g54 g80 g98
    G30 U0
    T0909
    g18
    M90
    G28 H0.
    C30.
    G0 X60. Z5.
    G184 z-35. w35. S1000 R0. F0.8.
    .
    .
    .

    And it's finally working...

    Thank you all for the suport.

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