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  1. #1
    Join Date
    Aug 2005
    Posts
    78

    Question Fanuc 21T offset problems

    I am trying to assign a totaly differant offset to the same to for a differant operation. Instead if T0808 I used T0818. My problem is that that will not pick up the geometry offset numbers, How would I get it to read the new geometry numbers?

    Thanks

  2. #2
    Join Date
    May 2004
    Posts
    4519
    How did you determine it is NOT picking up geometry offset numbers? Are you meaning for cutter compensation? Or raw tool position?

  3. #3
    Join Date
    Aug 2005
    Posts
    78
    When in mdi I call the tool with a T0103 for t1 offset 3 and it does not show up correctly for the absolute position. We have some older machine that will do this(O-T).

  4. #4
    Join Date
    Aug 2011
    Posts
    2517
    it works. we do it all the time, almost every day in fact. just ensure the geometry offset for BOTH tools are identical. i.e. if using tool 8 offset 8 and tool 8 offset 18 then geometry 8 and 18 must be the same in both X and Z

  5. #5
    Join Date
    Mar 2003
    Posts
    2932
    Check parameter 5002 bit 1. I believe it should be 0. This makes the geometry and wear offset both the same #. If it's 1, then the geometry offset # is the same as the tool #.

  6. #6
    Join Date
    Aug 2011
    Posts
    2517
    I use same tool with different offsets and it works fine here and my parameter 5002 bit 1 = 1 (opposite to what you are saying)
    for 5002 I have 10000010
    it may be a parameter issue though.....

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