Iterative alignment inverts only on one CMM

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  • Iterative alignment inverts only on one CMM

    We recently got a brand new second CMM and are having issue with any of our iterative alignment programs working on it.
    Once we complete the iterative alignment and hit ok to run the alignment in DCC it inverts the alignemnt. We have tried probing multiple times with multiple different operators and programmers and can not get the new CMM to correctly do any iterative alignment. It does not appear to be operator error. We have no issue getting the part programs to run on our old CMM.
    Here's some info on one of the part programs:
    The iterative alignment takes 3 points on the Y- plane of the part to level, two points on the X+ plane of the part to rotate, and finally one point on the Z+ plane of the part for origin.

    What could be causing this issue? Thanks in advance for your answer.

    Code below:
    Code:
                LOADPROBE/8X125
                TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
                CLEARP/ZPLUS,5,YMINUS,0,ON
                MOVE/CLEARPLANE
    PNT1       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<2.9102,-6.501,-2.4451>,<0,-1,0>
                ACTL/<2.9102,-6.501,-2.4451>,<0,-1,0>
                TARG/<2.9102,-6.501,-2.4451>,<0,-1,0>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
                MOVE/CLEARPLANE
    PNT2       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<0.2906,-6.501,1.368>,<0,-1,0>
                ACTL/<0.2906,-6.501,1.368>,<0,-1,0>
                TARG/<0.2906,-6.501,1.368>,<0,-1,0>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
                MOVE/CLEARPLANE
    PNT3       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<-2.9298,-6.501,0.327>,<0,-1,0>
                ACTL/<-2.9298,-6.501,0.327>,<0,-1,0>
                TARG/<-2.9298,-6.501,0.327>,<0,-1,0>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
                MOVE/CLEARPLANE
    PNT4       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<3.19,-5.9655,-2.3228>,<1,0,0>
                ACTL/<3.19,-5.9655,-2.3228>,<1,0,0>
                TARG/<3.19,-5.9655,-2.3228>,<1,0,0>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
                MOVE/CLEARPLANE
    PNT5       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<3.19,-0.8935,-2.2559>,<1,0,0>
                ACTL/<3.19,-0.8935,-2.2559>,<1,0,0>
                TARG/<3.19,-0.8935,-2.2559>,<1,0,0>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
                MOVE/CLEARPLANE
    PNT6       =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
                THEO/<2.567,-3.1506,-2>,<0,0,1>
                ACTL/<2.567,-3.1506,-2>,<0,0,1>
                TARG/<2.567,-3.1506,-2>,<0,0,1>
                SHOW FEATURE PARAMETERS=NO
                SHOW CONTACT PARAMETERS=YES
                  AVOIDANCE MOVE=BOTH,DISTANCE=0.3937
                SHOW HITS=NO
    A1         =ALIGNMENT/START,RECALL:STARTUP,LIST=YES
                  ALIGNMENT/ITERATE
                    PNT TARGET RAD=0.02,START LABEL=,FIXTURE TOL=0.0005,ERROR LABEL=
                    MEAS ALL FEAT=ALWAYS,MAX ITERATIONS=10,LEVEL AXIS=YAXIS,ROTATE AXIS=XAXIS,ORIGIN AXIS=ZAXIS
                  LEVEL=PNT1,PNT2,PNT3,,
                  ROTATE=PNT4,PNT5,,
                  ORIGIN=PNT6,,
                ALIGNMENT/END

  • #2
    Did you try running it Offline mode on the new machine first, slow down the animation and see what its doing on the graphics? If one of the points isn't acting right, maybe have to recreate a point, I have had occasional issues like this, something goofy going from one to another.
    Last edited by KIRBSTER269; 12-19-2019, 10:05 AM.
    (In Memory of my Loving wife, "Ronda" who I lost March 7, 2016. I love you baby.)
    They say "Nobody's Perfect." I must be Nobody.

    Comment


    • newaircrafthomebuilder
      newaircrafthomebuilder commented
      Editing a comment
      When running offline on the new machine the animation shows correct.

  • #3
    The only thing I can guess is that some setting, possibly a registry setting (PC-DMIS Settings Editor), or one of the F5 settings.

    Try first comparing the F5 settings between both machines (in General, with the checkmarks). Or maybe are you using Part/Machine to match machine axes to part axes?

    If not, you might want to try exporting from the Settings Editor on the old cmm and importing them on the new CMM.
    "This is my word... and as such is beyond contestation."

    Comment


    • newaircrafthomebuilder
      newaircrafthomebuilder commented
      Editing a comment
      I'll get to work on it and see if that solves it. Thanks so far.

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