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Newb converting from Calypso

Travis Carlson
The transition thus far from Calypso to PC-DMIS has been seamless. I have not begun writing overly complex programs in PC-DMIS yet however I am encountering a peculiar error at the beginning of my DCC run in a basis program. The attached graphic shows the features completely off the cad model and when the CMM comes in to take the first DCC point it searches about 20 inches in negative x axis from where the model is located on CMM.

STARTUP =ALIGNMENT/START,RECALL:USE_PART_SETUP,LIST=YES
ALIGNMENT/END
MODE/MANUAL
MANRETRACT/2.54
FORMAT/TEXT,OPTIONS, ,HEADINGS,SYMBOLS, ;NOM,TOL,MEAS,DEV,OUTTOL, ,
LOADPROBE/TIP3-2MM
TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
PLN1 =FEAT/PLANE,CARTESIAN,TRIANGLE
THEO/<0.0084,0,0.002>,<0,-1,0>
ACTL/<14.5476,26.0536,2.2737>,<-0.0000121,-1,0.000241>
MEAS/PLANE,3
HIT/BASIC,NORMAL,<0.0146,0,0.7841>,<14.6258,26.0538,3.1313>,USE THEO=NO
HIT/BASIC,NORMAL,<-0.6874,0,-0.3948>,<15.1261,26.0535,1.8449>,USE THEO=NO
HIT/BASIC,NORMAL,<0.6981,0,-0.3832>,<0,-1,0>,<13.8909,26.0535,1.8448>,USE THEO=YES
ENDMEAS/
WORKPLANE/YPLUS
CIR1 =FEAT/CIRCLE,CARTESIAN,IN,LEAST_SQR
THEO/<0,0.09,0>,<0,1,0>,1.195
ACTL/<14.5127,26.1683,2.3472>,<0,1,0>,1.1962
MEAS/CIRCLE,3,YPLUS
HIT/BASIC,NORMAL,<-0.4883,0.0867,0.3444>,<0.8172059,0,-0.5763459>,<13.989,26.1683,2.636>,USE THEO=YES
HIT/BASIC,NORMAL,<0.4473,0.1006,0.3962>,<-0.7486041,0,-0.6630173>,<15.0367,26.1684,2.6355>,USE THEO=YES
HIT/BASIC,NORMAL,<-0.0863,0.0827,-0.5912>,<0.1445093,0,0.9895034>,<14.5313,26.1683,1.7493>,USE THEO=YES
ENDMEAS/
PNT1 =FEAT/POINT,CARTESIAN
THEO/<0.775,0.035,0.125>,<0,0,-1>
ACTL/<15.3075,26.0932,2.4603>,<0.0036817,-0.0103087,-0.9999401>
MEAS/POINT,1,WORKPLANE
HIT/BASIC,NORMAL,<0.775,0.035,0.125>,<0,0,-1>,<15.3075,26.0932,2.4603>,USE THEO=YES
ENDMEAS/
PNT2 =FEAT/POINT,CARTESIAN
THEO/<0.775,0.035,-0.125>,<0,0,1>
ACTL/<15.3075,26.0935,2.2089>,<0.0038879,-0.0168478,0.9998505>
MEAS/POINT,1,WORKPLANE
HIT/BASIC,NORMAL,<0.775,0.035,-0.125>,<0,0,1>,<15.3075,26.0935,2.2089>,USE THEO=YES
ENDMEAS/
PNT3 =FEAT/POINT,CARTESIAN,NO
THEO/<0.775,0.035,0>,<0,0,1>
ACTL/<15.3075,26.0933,2.3346>,<0,0,1>
CONSTR/POINT,MID,PNT1,PNT2
LIN1 =FEAT/LINE,CARTESIAN,UNBOUNDED,NO
THEO/<0,0.09,0>,<0.9974913,-0.0707897,0>
ACTL/<14.5127,26.1683,2.3472>,<0.995457,-0.0939018,-0.01574>
CONSTR/LINE,BF,3D,CIR1,PNT3,,
OUTLIER_REMOVAL/OFF,3
FILTER/OFF,WAVELENGTH=0
A1 =ALIGNMENT/START,RECALL:STARTUP,LIST=YES
ALIGNMENT/LEVEL,ZPLUS,PLN1
ALIGNMENT/TRANS,ZAXIS,PLN1
ALIGNMENT/ROTATE,XPLUS,TO,LIN1,ABOUT,ZPLUS
ALIGNMENT/END
MODE/DCC
MOVESPEED/ 150
PREHIT/0.025
RETRACT/0.025
CLEARP/ZPLUS,0.375,ZPLUS,0,ON
MOVE/CLEARPLANE
PNT9 =FEAT/POINT,CARTESIAN
THEO/<-0.7886,0.125,-0.0541>,<0,-1,0>
ACTL/<-0.7886,0.125,-0.0541>,<0,-1,0>
Attached Files
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  • I cannot even claim rookie mistake on the missed zeroing in alignment for X and Y. Thanks for the quick reply to bring my head back in check. As far as the features showing off the part, is this a normal PC-DMIS thing or something I will battle being that I am still running 2015 possibly? I have noticed this on all other parts I have programmed and run as well.

    I think what you have done is you have taken manual points on the part located on the granite?

    Your CAD from what I can see has the Coordinates 0,0,0 at the centre of the part. When you have taken the points on the part located on the CMM those coordinates have been in machine coordinates and so they don't match up.

    There is a button called CAD=part which should sort this out for you. However I never use it so explaining how to use it isn't probably a good idea for me to do.

    However as you have a CAD model and so far it is a short program what I would suggest to do is to start a gain but this time pick the points you want to measure off of the CAD model instead of the part. Use the auto features to select what you want. I would recommend using the auto vector points and then constructing a plane/line out of those auto points. Doing it this way, everything will keep the coordinates of the CAD model and your measurements should line up.

    Hope that helps a little
Reply
  • I cannot even claim rookie mistake on the missed zeroing in alignment for X and Y. Thanks for the quick reply to bring my head back in check. As far as the features showing off the part, is this a normal PC-DMIS thing or something I will battle being that I am still running 2015 possibly? I have noticed this on all other parts I have programmed and run as well.

    I think what you have done is you have taken manual points on the part located on the granite?

    Your CAD from what I can see has the Coordinates 0,0,0 at the centre of the part. When you have taken the points on the part located on the CMM those coordinates have been in machine coordinates and so they don't match up.

    There is a button called CAD=part which should sort this out for you. However I never use it so explaining how to use it isn't probably a good idea for me to do.

    However as you have a CAD model and so far it is a short program what I would suggest to do is to start a gain but this time pick the points you want to measure off of the CAD model instead of the part. Use the auto features to select what you want. I would recommend using the auto vector points and then constructing a plane/line out of those auto points. Doing it this way, everything will keep the coordinates of the CAD model and your measurements should line up.

    Hope that helps a little
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