square slot issue

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  • square slot issue

    I'm running 4.0 and am having an issue with checking a square slot stud.The width checks fine but the length is checking to large by approx 4mm.I'm using a 2mm ball.The only way that i can get the length to check properly is as a round slot.then of coarse the width is off.Using auto slot by the way.

    Thanks, Dave

  • #2
    Presumably you have used height gage, micrometers, calipers, pins, blocks, etc. to determine whether the issue is the CMM/software or a discrepant part. . .

    Have you tried creating vector points, lines, or planes and dimensioning 2D distances between them?

    Post the code for your slot, with all options displayed. And/or a screen shot of the autofeature window.
    sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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    • #3
      Could it be that PC-DMIS thinks you are measuring a square slot HOLE instead of STUD?
      PC-DMIS CAD++ 2o19 R1 SP11

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      • #4
        Is your probe compensation on or off?
        To some the glass is half full
        To some it is half empty
        To me it is poorly designed by the Eng & Prod wants me to find a way to measure it in spec!

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        • #5
          th e pin measures fine with mics.
          Originally posted by Wes Cisco View Post
          Presumably you have used height gage, micrometers, calipers, pins, blocks, etc. to determine whether the issue is the CMM/software or a discrepant part. . .

          Have you tried creating vector points, lines, or planes and dimensioning 2D distances between them?

          Post the code for your slot, with all options displayed. And/or a screen shot of the autofeature window.

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          • #6
            How did you output the width? Dim Loc only allows X,Y,Z,R,L for a slot?

            B&S CHAMELEON/PCDMIS CAD++ V2011

            There are no bugs, only "UNDOCUMENTED ENHANCEMENTS!"

            sigpic

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            • #7
              Where is the box located?

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              • #8
                If it measure the slot correctly, you could make generic points and find the distance.

                In the CODE section, see "Retrieving hits from a feature" (Basic Script)

                This will make generic points from a measured feature which you can manipulate however you want.

                B&S CHAMELEON/PCDMIS CAD++ V2011

                There are no bugs, only "UNDOCUMENTED ENHANCEMENTS!"

                sigpic

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                • #9
                  D will give the width

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                  • #10
                    No it runs just fine.6 points

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                    • #11
                      It's on.the width checks fine.The issue is only with the length.

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                      • #12
                        Post the code from the slot measurement.
                        PC-DMIS CAD++ 2o19 R1 SP11

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                        • #13
                          sounds like a probing issue....improper vector will result in confusion between O.D. and I.D.

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                          • #14
                            Originally posted by Matthew D. Hoedeman
                            D reports the "width" of a slot, L reports the length, LF and DF for TP of a slot.
                            Thank you!

                            B&S CHAMELEON/PCDMIS CAD++ V2011

                            There are no bugs, only "UNDOCUMENTED ENHANCEMENTS!"

                            sigpic

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                            • #15
                              square pin auto check

                              Originally posted by vpt.se View Post
                              Post the code from the slot measurement.
                              COMMENT/REPT,********************************************* ******
                              , 10.01X13.02 GO PIN
                              ,************************************************* **
                              SLT1 =AUTO/SQUARE SLOT,SHOWALLPARAMS = YES,SHOWHITS = NO
                              THEO/-343.643,-486.195,-43,0,0,-1,10.01,13.02,0,0,-1,0
                              ACTL/-343.571,-486.075,-43,0,0,-1,10.015,16.98,0,0.0018353,-0.9999983,0
                              TARG/-343.643,-486.195,-43,0,0,-1,0,-1,0
                              THICKNESS_OFF = 0,RECT,OUT,NORM,ONERROR = NO,$
                              AUTO MOVE = BOTH,DISTANCE = 25,RMEAS = None,None,None,$
                              READ POS = NO,FIND HOLE = DISABLED,REMEASURE = NO,$
                              INIT = 0,PERM = 0,SPACER = 0,DEPTH = 0,$
                              WIDTH MINMAX = MINMAX,RADIUS = 6,$
                              PUNCH = 0,0,-1,PIN = 0,0,-1
                              DIM LOC25= LOCATION OF SLOT SLT1
                              X -343.643 -343.571 0.150 0.150 0.072 B 0.000 ------#--
                              Y -486.195 -486.075 0.150 0.150 0.120 I 0.000 --------#
                              Z -43.000 -43.000 0.050 0.050 0.000 0.000 ----#----
                              L 13.020 16.980 0.150 0.150 3.960 3.810 -------->
                              D 10.010 10.015 0.010 0.025 0.005 0.000 -------#-
                              END OF DIMENSION LOC25

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