Runout Experts needed...

I have 2 circles that I scanned. I drew a line between the 2 and that is being used as my Datum. Can runout be measured using a line drawn between to circles? I was told that using cones makes it nearly impossible to get good runout data.

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DAN_M over 5 years ago

Yes. I do this a lot. But not through just two circles.

I have many turned parts where -A- is an outside diameter, -B- is a different sized outside diameter, and there is GD&T all over my print that says '"Runout of a certain diameter A-B".

I will measure three individual autocircles on -A-. Three individual autocircles on -B-. Put a point at the center of each circle. Construct a 3D line through the six points. Then..Insert an alignment....Level to Line A-B..Translate X and Y to Line A-B, Translate Z to a plane/point where I want it.

If you want to see some sample code LMK.
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DAN_M over 5 years ago in reply to DAN_M

COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            Once you press OKAY to this message....

            Measure a circle (4 hits) in the side hole
            COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            Press OKAY for CNC Measurement
            MODE/MANUAL
            WORKPLANE/XPLUS
CIR_3PLACE_MANUAL=FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
            THEO/<0.55,-0.486,-3.38>,<1,0,0>,0.2475
            ACTL/<0.55,-0.486,-3.38>,<1,0,0>,0.2475
            TARG/<0.55,-0.486,-3.38>,<1,0,0>
            START ANG=0,END ANG=360
            ANGLE VEC=<0,0,-1>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MODE/DCC
CYL_3PLACE_CNC=FEAT/CONTACT/CYLINDER/DEFAULT,CARTESIAN,IN,LEAST_SQR
            THEO/<0.585,-0.486,-3.38>,<1,0,0>,0.2475,0.075
            ACTL/<0.585,-0.486,-3.38>,<1,0,0>,0.2475,0.075
            TARG/<0.585,CIR_3PLACE_MANUAL.Y+0,CIR_3PLACE_MANUAL.Z+0>,<1,0,0>
            START ANG=0,END ANG=360
            ANGLE VEC=<0,0,-1>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            WORKPLANE/ZPLUS
A3         =ALIGNMENT/START,RECALL:STARTUP,LIST=YES
              ALIGNMENT/LEVEL,ZPLUS,PLN_Z1
              ALIGNMENT/ROTATE,XPLUS,TO,CYL_3PLACE_CNC,ABOUT,ZPLUS
              ALIGNMENT/TRANS,XAXIS,CIR_XY2
              ALIGNMENT/TRANS,YAXIS,CIR_XY2
              ALIGNMENT/TRANS,ZAXIS,PLN_Z1
            ALIGNMENT/END
            MOVE/POINT,NORMAL,<1.5,-0.486,-3.38>
            MOVE/POINT,NORMAL,<1.5,-0.486,4>
            TIP/T1A45B180, SHANKIJK=0, -0.7071, 0.7071, ANGLE=180
RADH1      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-0.875>,<0,0,1>,2.3781,0
            ACTL/<0,0,-0.875>,<0,0,1>,2.3781,0
            TARG/<0,0,-0.875>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADH2      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-1.1>,<0,0,1>,2.3781,0
            ACTL/<0,0,-1.1>,<0,0,1>,2.3781,0
            TARG/<0,0,-1.1>,<0,0,1>
            START ANG=182.5,END ANG=-2.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0.25,0,0>
RADG1      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-3.8>,<0,0,1>,2.4027,0
            ACTL/<0,0,-3.8>,<0,0,1>,2.4027,0
            TARG/<0,0,-3.8>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG2      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-4.5>,<0,0,1>,2.4027,0
            ACTL/<0,0,-4.5>,<0,0,1>,2.4027,0
            TARG/<0,0,-4.5>,<0,0,1>
            START ANG=182.5,END ANG=-2.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG3      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-5.2>,<0,0,1>,2.4027,0
            ACTL/<0,0,-5.2>,<0,0,1>,2.4027,0
            TARG/<0,0,-5.2>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,-0.55,0>
PNTF1      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<-1.1172,-0.645,-5.34>,<0,0,1>
            ACTL/<-1.1172,-0.645,-5.34>,<0,0,1>
            TARG/<-1.1172,-0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,-0.645,0>
PNTF2      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<0,-1.29,-5.34>,<0,0,1>
            ACTL/<0,-1.29,-5.34>,<0,0,1>
            TARG/<0,-1.29,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<1.1172,0,0>
PNTF3      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<1.1172,-0.645,-5.34>,<0,0,1>
            ACTL/<1.1172,-0.645,-5.34>,<0,0,1>
            TARG/<1.1172,-0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/POINT,NORMAL,<PNTF3.X+0.1,PNTF3.Y-0.1,1>
            TIP/T1A45B0, SHANKIJK=0, 0.7071, 0.7071, ANGLE=0
RADH3      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-0.875>,<0,0,1>,2.3781,0
            ACTL/<0,0,-0.875>,<0,0,1>,2.3781,0
            TARG/<0,0,-0.875>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADH4      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-1.1>,<0,0,1>,2.3781,0
            ACTL/<0,0,-1.1>,<0,0,1>,2.3781,0
            TARG/<0,0,-1.1>,<0,0,1>
            START ANG=177.5,END ANG=362.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0.25,0,0>
RADG4      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-3.8>,<0,0,1>,2.4027,0
            ACTL/<0,0,-3.8>,<0,0,1>,2.4027,0
            TARG/<0,0,-3.8>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG5      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-4.5>,<0,0,1>,2.4027,0
            ACTL/<0,0,-4.5>,<0,0,1>,2.4027,0
            TARG/<0,0,-4.5>,<0,0,1>
            START ANG=177.5,END ANG=362.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG6      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-5.2>,<0,0,1>,2.4027,0
            ACTL/<0,0,-5.2>,<0,0,1>,2.4027,0
            TARG/<0,0,-5.2>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,0.55,0>
PNTF4      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<-1.1172,0.645,-5.34>,<0,0,1>
            ACTL/<-1.1172,0.645,-5.34>,<0,0,1>
            TARG/<-1.1172,0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,0.645,0>
PNTF5      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<0,1.29,-5.34>,<0,0,1>
            ACTL/<0,1.29,-5.34>,<0,0,1>
            TARG/<0,1.29,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<1.1172,0,0>

Reply

DAN_M over 5 years ago in reply to DAN_M

COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            Once you press OKAY to this message....

            Measure a circle (4 hits) in the side hole
            COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            Press OKAY for CNC Measurement
            MODE/MANUAL
            WORKPLANE/XPLUS
CIR_3PLACE_MANUAL=FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
            THEO/<0.55,-0.486,-3.38>,<1,0,0>,0.2475
            ACTL/<0.55,-0.486,-3.38>,<1,0,0>,0.2475
            TARG/<0.55,-0.486,-3.38>,<1,0,0>
            START ANG=0,END ANG=360
            ANGLE VEC=<0,0,-1>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MODE/DCC
CYL_3PLACE_CNC=FEAT/CONTACT/CYLINDER/DEFAULT,CARTESIAN,IN,LEAST_SQR
            THEO/<0.585,-0.486,-3.38>,<1,0,0>,0.2475,0.075
            ACTL/<0.585,-0.486,-3.38>,<1,0,0>,0.2475,0.075
            TARG/<0.585,CIR_3PLACE_MANUAL.Y+0,CIR_3PLACE_MANUAL.Z+0>,<1,0,0>
            START ANG=0,END ANG=360
            ANGLE VEC=<0,0,-1>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            WORKPLANE/ZPLUS
A3         =ALIGNMENT/START,RECALL:STARTUP,LIST=YES
              ALIGNMENT/LEVEL,ZPLUS,PLN_Z1
              ALIGNMENT/ROTATE,XPLUS,TO,CYL_3PLACE_CNC,ABOUT,ZPLUS
              ALIGNMENT/TRANS,XAXIS,CIR_XY2
              ALIGNMENT/TRANS,YAXIS,CIR_XY2
              ALIGNMENT/TRANS,ZAXIS,PLN_Z1
            ALIGNMENT/END
            MOVE/POINT,NORMAL,<1.5,-0.486,-3.38>
            MOVE/POINT,NORMAL,<1.5,-0.486,4>
            TIP/T1A45B180, SHANKIJK=0, -0.7071, 0.7071, ANGLE=180
RADH1      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-0.875>,<0,0,1>,2.3781,0
            ACTL/<0,0,-0.875>,<0,0,1>,2.3781,0
            TARG/<0,0,-0.875>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADH2      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-1.1>,<0,0,1>,2.3781,0
            ACTL/<0,0,-1.1>,<0,0,1>,2.3781,0
            TARG/<0,0,-1.1>,<0,0,1>
            START ANG=182.5,END ANG=-2.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0.25,0,0>
RADG1      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-3.8>,<0,0,1>,2.4027,0
            ACTL/<0,0,-3.8>,<0,0,1>,2.4027,0
            TARG/<0,0,-3.8>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG2      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-4.5>,<0,0,1>,2.4027,0
            ACTL/<0,0,-4.5>,<0,0,1>,2.4027,0
            TARG/<0,0,-4.5>,<0,0,1>
            START ANG=182.5,END ANG=-2.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG3      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-5.2>,<0,0,1>,2.4027,0
            ACTL/<0,0,-5.2>,<0,0,1>,2.4027,0
            TARG/<0,0,-5.2>,<0,0,1>
            START ANG=-2.5,END ANG=182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,-0.55,0>
PNTF1      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<-1.1172,-0.645,-5.34>,<0,0,1>
            ACTL/<-1.1172,-0.645,-5.34>,<0,0,1>
            TARG/<-1.1172,-0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,-0.645,0>
PNTF2      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<0,-1.29,-5.34>,<0,0,1>
            ACTL/<0,-1.29,-5.34>,<0,0,1>
            TARG/<0,-1.29,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<1.1172,0,0>
PNTF3      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<1.1172,-0.645,-5.34>,<0,0,1>
            ACTL/<1.1172,-0.645,-5.34>,<0,0,1>
            TARG/<1.1172,-0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/POINT,NORMAL,<PNTF3.X+0.1,PNTF3.Y-0.1,1>
            TIP/T1A45B0, SHANKIJK=0, 0.7071, 0.7071, ANGLE=0
RADH3      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-0.875>,<0,0,1>,2.3781,0
            ACTL/<0,0,-0.875>,<0,0,1>,2.3781,0
            TARG/<0,0,-0.875>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADH4      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-1.1>,<0,0,1>,2.3781,0
            ACTL/<0,0,-1.1>,<0,0,1>,2.3781,0
            TARG/<0,0,-1.1>,<0,0,1>
            START ANG=177.5,END ANG=362.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0.25,0,0>
RADG4      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-3.8>,<0,0,1>,2.4027,0
            ACTL/<0,0,-3.8>,<0,0,1>,2.4027,0
            TARG/<0,0,-3.8>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG5      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-4.5>,<0,0,1>,2.4027,0
            ACTL/<0,0,-4.5>,<0,0,1>,2.4027,0
            TARG/<0,0,-4.5>,<0,0,1>
            START ANG=177.5,END ANG=362.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
RADG6      =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<0,0,-5.2>,<0,0,1>,2.4027,0
            ACTL/<0,0,-5.2>,<0,0,1>,2.4027,0
            TARG/<0,0,-5.2>,<0,0,1>
            START ANG=2.5,END ANG=-182.5
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,0.55,0>
PNTF4      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<-1.1172,0.645,-5.34>,<0,0,1>
            ACTL/<-1.1172,0.645,-5.34>,<0,0,1>
            TARG/<-1.1172,0.645,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<0,0.645,0>
PNTF5      =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
            THEO/<0,1.29,-5.34>,<0,0,1>
            ACTL/<0,1.29,-5.34>,<0,0,1>
            TARG/<0,1.29,-5.34>,<0,0,1>
            SNAP=NO
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=NO
            MOVE/INCREMENT,<1.1172,0,0>

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