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Alignment Issues

MattyRyan
I'm having some trouble getting my Graphics Window view, and part execution alignments to match up. After I'm finished manually measuring, the program goes into DCC mode, and completely forgets where the part is. I'm not sure why this is happening or what I can do to fix it, but I will attach the coding for which I am using...


LOADPROBE/TP200-05MMX40
TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
RECALL/ALIGNMENT,EXTERNAL,a99,CENTER-SQUARE-ALIGNMENT:a99
MODE/MANUAL
MOVESPEED/ 10
CLEARP/ZPLUS,5,ZPLUS,0,ON
PREHIT/0.15
RETRACT/0.15
COMMENT/OPER,NO,EDIT PART PLACEMENT INFO
,
,WARNING:
,
,MACHINE WILL MOVE AUTOMATICALLY
,WHEN OK IS PRESSED
ROUGH TOP1 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.6709,0,1.8622>,<0,0,1>
ACTL/<9.0292,37.4336,7.9694>,<-0.0008588,-0.008153,0.9999664>
TARG/<3.6709,0,1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
ROUGH TOP2 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.6709,90,1.8622>,<0,0,1>
ACTL/<9.2494,69.6732,7.9702>,<0.0018503,0.0047305,0.9999871>
TARG/<3.6709,90,1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
ROUGH TOP3 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.6709,180,1.8622>,<0,0,1>
ACTL/<4.666,91.0726,7.9687>,<-0.0177191,-0.0000724,0.999843>
TARG/<3.6709,180,1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
ROUGH TOP4 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.6709,270,1.8622>,<0,0,1>
ACTL/<3.5384,21.7434,7.968>,<0.0017223,-0.0017628,0.999997>
TARG/<3.6709,270,1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
ROUGH TOP PLN=FEAT/PLANE,CARTESIAN,TRIANGLE,NO
THEO/<0,0,1.8622>,<0,0,1>
ACTL/<3.3955,5.0344,7.9691>,<-0.0000613,-0.0002995,1>
CONSTR/PLANE,BF,ROUGH TOP1,ROUGH TOP2,ROUGH TOP3,ROUGH TOP4,,
OUTLIER_REMOVAL/OFF,3
FILTER/OFF,WAVELENGTH=0
ROUGH -A- =FEAT/CONTACT/CIRCLE,POLAR,OUT,LEAST_SQR
THEO/<0,0,1.8425>,<0,0,1>,7.4975,0,0,360
ACTL/<6.1115,54.55,32.2592>,<0.0000425,-0.0000822,1>,7.4974,0,0,360
TARG/<0,0,1.8425>,<0,0,1>
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
NUMHITS=4,DEPTH=-0.1,PITCH=0
SAMPLE HITS=0,SPACER=0.08
AVOIDANCE MOVE=NO,DISTANCE=0
FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
SHOW HITS=NO
A1 =ALIGNMENT/START,RECALL:CENTER-SQUARE-ALIGNMENT:a99,LIST=YES
ALIGNMENT/LEVEL,ZPLUS,ROUGH TOP PLN
ALIGNMENT/TRANS,XAXIS,ROUGH -A-
ALIGNMENT/TRANS,YAXIS,ROUGH -A-
ALIGNMENT/TRANS,ZAXIS,ROUGH TOP PLN
ALIGNMENT/END
COMMENT/OPER,NO,PREPARE FOR DCC
MODE/DCC
MOVESPEED/ 10
CLEARP/ZPLUS,5,ZPLUS,0,ON
PREHIT/0.01
RETRACT/0.01
MOVE/CLEARPLANE
PNT1 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.8381,337.7691,-1.8622>,<0,0,1>
ACTL/<3.8382,337.6546,-7.9674>,<0.000007,-0.000002,1>
TARG/<3.8381,337.7691,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
MOVE/CLEARPLANE
PNT2 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.84,20.5779,-1.8622>,<0,0,1>
ACTL/<3.6388,270.7621,-7.968>,<0.0000613,0.0002995,1>
TARG/<3.84,20.5779,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
MOVE/CLEARPLANE
PNT3 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.846,97.7464,-1.8622>,<0,0,1>
ACTL/<4.232,196.1515,-7.9685>,<0.0000613,0.0002995,1>
TARG/<3.846,97.7464,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
MOVE/CLEARPLANE
PNT4 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.84,150.6725,-1.8622>,<0,0,1>
ACTL/<7.5623,204.2614,-7.9677>,<0.0000613,0.0002995,1>
TARG/<3.84,150.6725,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
MOVE/CLEARPLANE
PNT5 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.84,240.7641,-1.8622>,<0,0,1>
ACTL/<9.9468,236.968,-7.9662>,<0.0000613,0.0002995,1>
TARG/<3.84,240.7641,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
MOVE/CLEARPLANE
PNT6 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.84,269.6795,-1.8622>,<0,0,1>
ACTL/<9.5219,247.9929,-7.9662>,<0.0000613,0.0002995,1>
TARG/<3.84,269.6795,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
-B- =FEAT/PLANE,CARTESIAN,TRIANGLE,NO
THEO/<0.2308,-0.2669,-1.8622>,<0,0,1>
ACTL/<-3.3158,-5.2551,-7.9673>,<0.0000613,0.0002995,1>
CONSTR/PLANE,BF,PNT1,PNT2,PNT3,PNT4,PNT5,PNT6,,
OUTLIER_REMOVAL/OFF,3
FILTER/OFF,WAVELENGTH=0
MOVE/CLEARPLANE
-A- =FEAT/CONTACT/CIRCLE,POLAR,OUT,LEAST_SQR
THEO/<0,150.9031,-0.0197>,<0,0,1>,7.4975,0,0,360
ACTL/<6.12,234.5852,-6.1249>,<0.0000613,0.0002995,1>,7.4975,0,0,360
TARG/<0,150.9031,-0.0197>,<0,0,1>
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
NUMHITS=10,DEPTH=-0.1,PITCH=0
SAMPLE HITS=0,SPACER=0.08
AVOIDANCE MOVE=NO,DISTANCE=0
FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
SHOW HITS=NO
A2 =ALIGNMENT/START,RECALL:CENTER-SQUARE-ALIGNMENT:a99,LIST=YES
ALIGNMENT/TRANS,ZAXIS,-B-
ALIGNMENT/LEVEL,ZPLUS,-B-
ALIGNMENT/TRANS,XAXIS,-A-
ALIGNMENT/TRANS,YAXIS,-A-
ALIGNMENT/END
COMMENT/OPER,NO,MOVE SAFE FOR PROBE ANGLE CHANGE TO MEASURE 3 OCLOCK HOLE
TIP/T1A90B-90, SHANKIJK=1, -0.0006, 0, ANGLE=-89.9953
-C- =FEAT/CONTACT/CIRCLE,POLAR,IN,LEAST_SQR
THEO/<3.5943,0,0.3799>,<1,0,0>,0.079,0,360
ACTL/<3.5943,0,0.3799>,<1,0,0>,0.079,0,360
TARG/<3.5943,0,0.3799>,<1,0,0>
ANGLE VEC=<0,0,-1>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
NUMHITS=4,DEPTH=-0.05,PITCH=0
SAMPLE HITS=0,SPACER=0.08
AVOIDANCE MOVE=NO,DISTANCE=0
FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
SHOW HITS=NO





HEEEELLLLPPP!Disappointed
  • You're missing rotation commands in both alignments.
    It should look something like the following generic alignment (note the 2nd line): 

    A1       =ALIGNMENT/START,RECALL:STARTUP,LIST=YES
            ALIGNMENT/LEVEL,ZPLUS,PLN1
            ALIGNMENT/ROTATE,YPLUS,TO,LIN1,ABOUT,ZPLUS
            ALIGNMENT/TRANS,XAXIS,LIN1
            ALIGNMENT/TRANS,YAXIS,PNT1
            ALIGNMENT/END
  • I'm going to be using a rotation when I go to measure a side hole, but on the original alignment I'm only taking a plane on top of a ring, and then the OD to basically tell the machine where the part is. After that I go DCC to get on my datums.. Like I said everything looks good after the first alignment (manual) but when it goes DCC it forgets where the part is?
  • It's forgetting because there is no rotation. Until all 6 degrees of freedom are locked down you'll almost certainly have issues. When alignments aren't quite right, weird things happen throughout the rest of the program.
  • I would never use or recommend using any type of auto feature in your manual mode before an actual alignment. I have always had issues when trying. I also would be careful when using symbols or spaces in your feature names.

    I have also used only the leveling and origin functions of the alignment without issue, so I don't believe that is it. Believe me it is a good idea to control the 6 degrees of freedom, but when working on "donuts" this is not necessity.

    Are you using a model or just the using the part?
  • This may not solve your problem, BUT, in the future, you should ONLY use, Alpha Characters, Numbers and the Underscore Key when naming features. No SPACES. PCDMIS can get very finicky unless you follow their recommendations.
  • It's forgetting because there is no rotation. Until all 6 degrees of freedom are locked down you'll almost certainly have issues. When alignments aren't quite right, weird things happen throughout the rest of the program.

    +1
  • I will look into the recalled external alignment (blue code) is this a fixture alignment? Make sure it matches the part orientation/origin.
    Really the purpose of an external alignment is to avoid manual alignments.
    Red code is unnecessary since you still in manual mode. 

    LOADPROBE/TP200-05MMX40
TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
[COLOR="#0000FF"]RECALL/ALIGNMENT,EXTERNAL,a99,CENTER-SQUARE-ALIGNMENT:a99[/COLOR]
MODE/MANUAL
MOVESPEED/ 10
[COLOR="#FF0000"]CLEARP/ZPLUS,5,ZPLUS,0,ON[/COLOR]
PREHIT/0.15
RETRACT/0.15
COMMENT/OPER,NO,EDIT PART PLACEMENT INFO
, 
,[COLOR="#FF0000"]WARNING:
, 
,MACHINE WILL MOVE AUTOMATICALLY
,WHEN OK IS PRESSED[/COLOR]



    You can tell something wrong with your alignment(s). See how far is the Z actuals compaired to theoreticals. 
    MODE/DCC
MOVESPEED/ 10
CLEARP/ZPLUS,5,ZPLUS,0,ON
PREHIT/0.01
RETRACT/0.01
MOVE/CLEARPLANE
PNT1 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.8381,337.7691[COLOR="#0000FF"],-1.8622[/COLOR]>,<0,0,1>
ACTL/<3.8382,337.6546[COLOR="#FF0000"],-7.9674[/COLOR]>,<0.000007,-0.000002,1>
TARG/<3.8381,337.7691,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO
  • This may not solve your problem, BUT, in the future, you should ONLY use, Alpha Characters, Numbers and the Underscore Key when naming features. No SPACES. PCDMIS can get very finicky unless you follow their recommendations.

    AGREED......NO spaces and definitely no ( - ) symbols. This is telling DMIS to subtract things and it just messes up everything. This was taught way back in Level 1 training. Here is what I do for manual alignments.

    MAN_PLN, MAN_LIN, AND MAN_PNT......or MAN_CIR, exc. exc. Then I name the actual datums for DCC Alignment.
  • I will look into the recalled external alignment (blue code) is this a fixture alignment? Make sure it matches the part orientation/origin.
    Red code is unnecessary since you still in manual mode. 

    LOADPROBE/TP200-05MMX40
TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
[COLOR="#0000FF"]RECALL/ALIGNMENT,EXTERNAL,a99,CENTER-SQUARE-ALIGNMENT:a99[/COLOR]
MODE/MANUAL
MOVESPEED/ 10
[COLOR="#FF0000"]CLEARP/ZPLUS,5,ZPLUS,0,ON[/COLOR]
PREHIT/0.15
RETRACT/0.15
COMMENT/OPER,NO,EDIT PART PLACEMENT INFO
, 
,[COLOR="#FF0000"]WARNING:
, 
,MACHINE WILL MOVE AUTOMATICALLY
,WHEN OK IS PRESSED[/COLOR]



    You can tell something wrong with your alignment(s). See how far is the Z actuals compaired to theoreticals. 
    MODE/DCC
MOVESPEED/ 10
CLEARP/ZPLUS,5,ZPLUS,0,ON
PREHIT/0.01
RETRACT/0.01
MOVE/CLEARPLANE
PNT1 =FEAT/CONTACT/VECTOR POINT,POLAR
THEO/<3.8381,337.7691[COLOR="#0000FF"],-1.8622[/COLOR]>,<0,0,1>
ACTL/<3.8382,337.6546[COLOR="#FF0000"],-7.9674[/COLOR]>,<0.000007,-0.000002,1>
TARG/<3.8381,337.7691,-1.8622>,<0,0,1>
SNAP=NO
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
AVOIDANCE MOVE=NO,DISTANCE=0
SHOW HITS=NO


    + 1
  • AGREED......NO spaces and definitely no ( - ) symbols. This is telling DMIS to subtract things and it just messes up everything. This was taught way back in Level 1 training. Here is what I do for manual alignments.

    MAN_PLN, MAN_LIN, AND MAN_PNT......or MAN_CIR, exc. exc. Then I name the actual datums for DCC Alignment.

    +1
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