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Thread: Fanuc Ot control ZRN issue

  1. #1
    christate20000 Guest

    Default Fanuc Ot control ZRN issue

    Takasawa Turning Center with Fanuc OT. We changed the parameters from radius to diameter mode. After doing so we cannot get the machine to go back to the correct home position. Any thoughts?


    Thanks
    CT

  2. #2
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    Default

    What did you change to go from radius to Diameter?
    Programming is like ***: one mistake and you have to support it for the rest of your life

  3. #3
    clockgear Guest

    Default

    CT...interesting. We are having the same ZRN problem. We simply had an overtravel issue in the X axis. I have tried G50 X0 Z0. It works only until the axis is moved, then it moves off 0 when we repeat ZRN. Have you figured it out? Any advice would be very helpful.

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    Default

    check
    Parameter Changes for Diameter Programming
    ==========================================

    Parameter Description Parameter Diameter Value
    --------------------------------------- --------- --------------
    Radius/Diameter Setting 19#2 0
    Coordinate Value of Reference Position Value * 2
    Coordinate Value of Reference Position Value * 2
    Stored Stroke Limits Value * 2
    Reference Counter Capacity Value * 2
    In Position Width 500 Value * 2
    Position Deviation Limits 504 593 Value * 2
    Grid Shift 508 Value * 2
    Backlash Compensation 535 Value * 2
    Flex Feedgear Numerator N Value * 2
    Instead of Numerator N, the value of Flex Feedgear Denominator M (M/2) or the
    N/M ratio (N/M * 2) may be modified.
    Pitch Error Compensation Interval 1001 Value * 2
    Radius/Diameter for Offsets 1#4 0 (optional)
    Tool Length Sensor Distances Value * 2
    Rigid Tapping-In Position Widths Value * 2
    Rigid Tapping-Position Deviation Limits Value * 2
    Rigid Tapping-Spindle Backlash Value * 2

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    Default Re: Fanuc Ot control ZRN issue

    Please try with PQ + can while power on and check

  6. #6
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    Default Re: Fanuc Ot control ZRN issue

    I hope he got it fixed by now. It was almost 3yrs ago.

    Stevo
    (The opinions in this post are my own and not those of machinetoolhelp.com and its management)

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