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  1. #1
    Join Date
    Mar 2007
    Posts
    215

    CNC Program "Freezes"

    Hi Guys,

    Interesting thing started happening to me today. Running a Hardinge Bridgeport GX1000 mill with a Fanuc Oi-MC Control. This particular program has run over 300 times without incident and then today the control decided to pause on the same line of code, almost like it's reading a M0. I'm hoping its something obvious I'm overlooking. Below is the last few lines of the program.
    G00 Z1. M09
    M05
    G0 G5.1Q0 (HSM OFF)
    G91 G30 Z0.
    G90 G00 G53 X13. Y0. <-(Program completes this line but won't proceed until I hit start again)
    #3901=#3901+3
    G90
    M30
    %

  2. #2
    Join Date
    Mar 2007
    Posts
    215
    OK, so I think I found a solution. I think...

    G00 Z1. M09
    M05
    G0 G5.1Q0 (HSM OFF)
    G91 G30 Z0.
    G90 G00 G53 X13. Y-.15 <- (Changed the value of Y so the axis doesn't quite return home)
    #3901=#3901+3
    G90
    M30
    %


    But now I'm worried I'm may be masking a more serious issue. Hopefully someone on the zone has an idea of what going on here...

    Thanks,

    CM

  3. #3
    Join Date
    Feb 2008
    Posts
    15
    maybe is not that line i think is the mathematical value that may be a problem try to pu the #3901+3 with brackets like this #3901 = [#3901+3]

  4. #4
    Join Date
    Mar 2007
    Posts
    215
    Thanks for the reply, I will give it a whirl and let you know.

  5. #5
    Join Date
    Mar 2007
    Posts
    215
    I changed the Y value back to 0 and added the brackets to the parts counter. Same thing, freezes up. As long as I'm not sending it back to home it seems fine... What to do, what to do.....

  6. #6
    Join Date
    Mar 2007
    Posts
    215
    I'm an idiot. Problem is fixed. There was a significant amount of aluminum chips on the front side of the table. It must have been triggering some type of servo overload or something. Cleared the chips out and everything is running smoothly. Thanks for your input rtm, much appreciated.

  7. #7
    Join Date
    Feb 2008
    Posts
    15
    for what i understand you are trying to count part but there is the the target value missing #3902 and the verification condition IF then and the return to the start

  8. #8
    Join Date
    Feb 2008
    Posts
    15
    you are welcome

  9. #9
    Join Date
    Apr 2006
    Posts
    3206
    I'm howling.

    Let this be a lesson to all of us..... It ain't always what you think it is.

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