hexagon logo

Vision and Probe Calibration Offset

Don't break the calibration chain!
I am posting this in hopes to have it made into a sticky since I see this issue arise a lot in the Vision section. This document perfectly explains the calibration process for calibrating offset with a Vision primary system with TTP.

Attached Files
Parents
  • Here is my Auto Cal program for vision to tactile. The move points I have in there are to make it as automated as possible and are based on the coordinates of the machine. At the beginning I have to have the machine navigate around the sphere, so I make sure it doesn't get hit. Parameter sets are created in the probe utilities, under measure.

    LOADPROBE/EMPTY OPTIV
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                LOADPROBE/VISIO_6X-1X
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                MOVE/POINT,NORMAL,<-100,25,-100>
                MOVE/POINT,NORMAL,<-20.969,74.728,-219.714>
                AUTOCALIBRATE/PROBE, PARAMETER_SET=DCC_Calibration, QUALTOOL_MOVED=YES_DCC, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE VISIO_6X-1X USING SET DCC_Calibration
    Probe file=VISIO_6X-1X    Date=9/26/2016    Time=10:59:17 AM
    RING           CENT X -30.9604 Y  74.6852 Z-219.7137 D20.0000
    TIP1           TIPOFFSET X  14.7232 Y   1.0054 Z  99.7978
    END AUTOCALIBRATE RESULTS FOR PROBE VISIO_6X-1X USING SET DCC_Calibration
                COMMENT/REPT,
                .
                .
                MOVE/POINT,NORMAL,<-100,25,-100>
                LOADPROBE/2 X 20 OPTIV
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                MOVE/POINT,NORMAL,<-30,25,-100>
                AUTOCALIBRATE/PROBE, PARAMETER_SET=2x20ring, QUALTOOL_MOVED=NO, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE 2 X 20 OPTIV USING SET 2x20ring
    Probe file=2 X 20 OPTIV    Date=9/26/2016    Time=11:00:32 AM
    old tip diam=20.000000
    No tip diameter update per ProbeQualRingDontUpdateTipDiameter
    RING           CENT X -30.9604 Y  74.6852 Z-219.7137 D20.0000
    TIP1           TIPOFFSET X -55.5615 Y  -0.0017 Z  94.1099
    END AUTOCALIBRATE RESULTS FOR PROBE 2 X 20 OPTIV USING SET 2x20ring
                COMMENT/REPT,
                .
                .
                MOVE/POINT,NORMAL,<-30,25,-100>
                AUTOCALIBRATE/PROBE, PARAMETER_SET=Sphere_Cal2, QUALTOOL_MOVED=YES_DCC, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE 2 X 20 OPTIV USING SET Sphere_Cal2
    Probe file=2 X 20 OPTIV    Date=9/26/2016    Time=11:01:28 AM
    SPHERE         CENT X  23.4776 Y  14.8998 Z-182.8193 D19.0495
    TIP1           THEO X -55.5000 Y   0.0000 Z  94.0000 D 2.0000
    TIP1           MEAS X -55.5615 Y  -0.0017 Z  94.1099 D 1.9914 StdDev 0.0010
    END AUTOCALIBRATE RESULTS FOR PROBE 2 X 20 OPTIV USING SET Sphere_Cal2
                COMMENT/REPT,
                .
                .
                LOADPROBE/1X30
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                AUTOCALIBRATE/PROBE, PARAMETER_SET=1X30SPHERE, QUALTOOL_MOVED=NO, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE 1X30 USING SET 1X30SPHERE
    Probe file=1X30    Date=9/26/2016    Time=11:02:44 AM
    TIP1           THEO X -55.5000 Y   0.0000 Z 104.0000 D 1.0000
    TIP1           MEAS X -55.4809 Y  -0.1174 Z 104.0579 D 0.9837 StdDev 0.0012
    END AUTOCALIBRATE RESULTS FOR PROBE 1X30 USING SET 1X30SPHERE
                COMMENT/REPT,
                .
                .
                LOADPROBE/1X35CYL
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                AUTOCALIBRATE/PROBE, PARAMETER_SET=1X35_SPHERE, QUALTOOL_MOVED=NO, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE 1X35CYL USING SET 1X35_SPHERE
    Probe file=1X35CYL    Date=9/26/2016    Time=11:04:25 AM
    TIP1           THEO X -55.5000 Y   0.0000 Z 109.0000 D 1.0000
    TIP1           MEAS X -55.6662 Y   0.0462 Z 108.5887 D 0.9879 StdDev 0.0012
    TIP1           SHANKI 0.000570 J 0.011005 K 0.999939
    END AUTOCALIBRATE RESULTS FOR PROBE 1X35CYL USING SET 1X35_SPHERE
                COMMENT/REPT,
                .
                .
                LOADPROBE/POINT3 OPTIV
                TIP/TIP1, SHANKIJK=0, 0, 1, ANGLE=0
                AUTOCALIBRATE/PROBE, PARAMETER_SET=Sphere_Cal3, QUALTOOL_MOVED=NO, 
                              SHOW_SUMMARY=YES, OVERWRITE_RESULTSFILE=NO
    BEGIN AUTOCALIBRATE RESULTS FOR PROBE POINT3 OPTIV USING SET Sphere_Cal3
    Probe file=POINT3 OPTIV    Date=9/26/2016    Time=11:06:16 AM
    TIP1           THEO X -55.5000 Y   0.0000 Z  84.0000 D 0.3000
    TIP1           MEAS X -55.5142 Y  -0.0966 Z  84.2605 D 0.2879 StdDev 0.0008
    END AUTOCALIBRATE RESULTS FOR PROBE POINT3 OPTIV USING SET Sphere_Cal3
    
Reply Children
No Data