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Slots Revisited

KIRBSTER269
Ok folks I wanted to revisit the slot deal, Some of my callouts included Perpendicularity, Both Ways. So I wanted to touch up on this a bit. I really get good results this way, but it is Long way to do this, if anybody has an easier way go ahead and share, but I will show you what I do.

First on each Radius I take 3 levels of circles, create a line and cylinder, Same goes for the other side and then I create a Midline based off of the 2 lines. I then Report the distance between the 2 constructed Cylinders and add radius, make planes for the width and report the distance between the 2 Now on Report output I put none, There's no reason to report it twice. I Then create 2 Generic Cylinders to account for Length and Width using my mid line based off of the condition of the holes and start plugging in the info from all data given. and also under distance in the Generic, Just plug in LIN4.L for the length. This way if a print ask besides position in both directions you can report perpendicularity. 

CIR2 =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
THEO/<0.4243,0.7349,-0.01>,<0,0,1>,0.0937
ACTL/<0.4243,0.7349,-0.01>,<0,0,1>,0.0937
TARG/<0.4243,0.7349,-0.01>,<0,0,1>
START ANG=150,END ANG=330
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

CIR3 =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
THEO/<0.4243,0.7349,-0.075>,<0,0,1>,0.0937
ACTL/<0.4243,0.7349,-0.075>,<0,0,1>,0.0937
TARG/<0.4243,0.7349,-0.075>,<0,0,1>
START ANG=150,END ANG=330
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

CIR4 =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
THEO/<0.4243,0.7349,-0.123>,<0,0,1>,0.0937
ACTL/<0.4243,0.7349,-0.123>,<0,0,1>,0.0937
TARG/<0.4243,0.7349,-0.123>,<0,0,1>
START ANG=150,END ANG=330
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

LIN2 =FEAT/LINE,CARTESIAN,UNBOUNDED,NO
THEO/<0.4243,0.7349,-0.01>,<0,0,-1>
ACTL/<0.4243,0.7349,-0.01>,<0,0,-1>
CONSTR/LINE,BF,3D,CIR2,CIR4,CIR3,,
OUTLIER_REMOVAL/OFF,3
FILTER/OFF,WAVELENGTH=0

CIR5 =FEAT/CONTACT/CIRCLE/ADAPTIVE_CIRCLE_SCAN,CARTESIAN,IN,LEAST_SQR
THEO/<0.4343,0.7522,-0.01>,<0,0,1>,0.0938
ACTL/<0.4343,0.7522,-0.01>,<0,0,1>,0.0938
TARG/<0.4343,0.7522,-0.01>,<0,0,1>
START ANG=330,END ANG=510
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

CIR6 =FEAT/CONTACT/CIRCLE/ADAPTIVE_CIRCLE_SCAN,CARTESIAN,IN,LEAST_SQR
THEO/<0.4343,0.7522,-0.075>,<0,0,1>,0.0938
ACTL/<0.4343,0.7522,-0.075>,<0,0,1>,0.0938
TARG/<0.4343,0.7522,-0.075>,<0,0,1>
START ANG=330,END ANG=510
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

CIR7 =FEAT/CONTACT/CIRCLE/ADAPTIVE_CIRCLE_SCAN,CARTESIAN,IN,LEAST_SQR
THEO/<0.4343,0.7522,-0.123>,<0,0,1>,0.0938
ACTL/<0.4343,0.7522,-0.123>,<0,0,1>,0.0938
TARG/<0.4343,0.7522,-0.123>,<0,0,1>
START ANG=330,END ANG=510
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

CYL1 =FEAT/CYLINDER,CARTESIAN,IN,LEAST_SQR,NO
THEO/<0.4243,0.7349,-0.2633>,<0,0,-1>,0.0937,0.113
ACTL/<0.4243,0.7349,-0.2633>,<0,0,-1>,0.0937,0.113
CONSTR/CYLINDER,BF,CIR2,CIR3,CIR4,,

CYL2 =FEAT/CYLINDER,CARTESIAN,IN,LEAST_SQR,NO
THEO/<0.4343,0.7522,-0.0665>,<0,0,-1>,0.0938,0.113
ACTL/<0.4343,0.7522,-0.0665>,<0,0,-1>,0.0938,0.113
CONSTR/CYLINDER,BF,CIR5,CIR6,CIR7,,

DIM DIST3= 3D DISTANCE FROM CYLINDER CYL1 TO CYLINDER CYL2,SHORTEST=OFF,ADD_RADIUS UNITS=IN,$
GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=NONE
AX NOMINAL MEAS +TOL -TOL DEV OUTTOL MAX MIN
M 0.1140 0.1137 0.0100 0.0100 -0.0003 0.0000 0.1137 0.1137 ----#----

LIN3 =FEAT/LINE,CARTESIAN,UNBOUNDED,NO
THEO/<0.4343,0.7522,-0.01>,<0,0,-1>
ACTL/<0.4343,0.7522,-0.01>,<0,0,-1>
CONSTR/LINE,BF,3D,CIR5,CIR6,CIR7,,
OUTLIER_REMOVAL/OFF,3
FILTER/OFF,WAVELENGTH=0

LIN4 =FEAT/LINE,CARTESIAN,UNBOUNDED,NO
THEO/<0.4293,0.7435,-0.01>,<0,0,-1>
ACTL/<0.4293,0.7436,-0.01>,<0,0,-1>
CONSTR/LINE,MID,LIN2,LIN3

PLN2 =FEAT/CONTACT/PLANE/DEFAULT,CARTESIAN,OUTLINE,LEAST_SQR
THEO/<0.3872,0.7644,-0.0295>,<0.8660254,-0.5,0>
ACTL/<0.3872,0.7644,-0.0295>,<0.8660259,-0.4999991,0>
TARG/<0.3872,0.7644,-0.0295>,<0.8660254,-0.5,0>
ANGLE VEC=<0,0,-1>,SQUARE
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

PLN3 =FEAT/CONTACT/PLANE/DEFAULT,CARTESIAN,OUTLINE,LEAST_SQR
THEO/<0.4688,0.7183,-0.0282>,<-0.8660254,0.5,0>
ACTL/<0.4688,0.7183,-0.0282>,<-0.8660258,0.4999993,0>
TARG/<0.4688,0.7183,-0.0282>,<-0.8660254,0.5,0>
ANGLE VEC=<0,0,1>,SQUARE
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=NO

DIM DIST1= 3D DISTANCE FROM PLANE PLN2 TO PLANE PLN3,SHORTEST=OFF,NO_RADIUS UNITS=IN,$
GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=NONE
AX NOMINAL MEAS +TOL -TOL DEV OUTTOL MAX MIN
M 0.0937 0.0937 0.0005 0.0005 0.0000 0.0000 0.0937 0.0937 ----#----

WIDTH =GENERIC/CYLINDER,DEPENDENT,CARTESIAN,IN,$
NOM/XYZ,<0.4293,0.7435,-0.01>,$
MEAS/XYZ,<LIN4.X,LIN4.Y,LIN4.Z>,$
NOM/IJK,<0,0,1>,$
MEAS/IJK,<0,0,1>,$
DIAMETER/0.0937,DIST1.MEAS,$
DISTANCE/0.113,LIN4.L

LENGHT =GENERIC/CYLINDER,DEPENDENT,CARTESIAN,OUT,$
NOM/XYZ,<0.4293,0.7435,-0.01>,$
MEAS/XYZ,<LIN4.X,LIN4.Y,LIN4.Z>,$
NOM/IJK,<0,0,1>,$
MEAS/IJK,<0,0,1>,$
DIAMETER/0.114,DIST3.MEAS,$
DISTANCE/0.113,LIN4.L


  • Reason I don't use Auto Cylinder because when you construct a line from it, it projects the line away from the hole.
  • in reply to KIRBSTER269
    There you go that's what I wanted to revisit. Rolling eyes
  • I like it.

    You mentioned perpendicularity. What do you do for that? Do you do a Max Array of each cylinder and plane's perp measurement and report the worst or do you go off of mid-line/mid-plane measurements?
  • Reason I don't use Auto Cylinder because when you construct a line from it, it projects the line away from the hole.

    you could use auto cylinder, then create a generic point at START/MIDDLE/END (3 points total), then construct a 3d line through the three generic points in the vector you want by clicking the points in the correct order
  • Well in a couple of the callouts it shows position and perp right under it in both directions, so I do report a width that I didn't show, sorry, I'll report that for Perp. but that mid line is gonna react to the center lines of the Radii, so I just do average, Let's face it, you know there is a circular pin going in there, mating part is not a slot shaped pin. I guess it depends on position call out, if it's a tight tolerance then I'll get a little more strict on it. If it's sloppy, average will do.


  • you could use auto cylinder, then create a generic point at START/MIDDLE/END (3 points total), then construct a 3d line through the three generic points in the vector you want by clicking the points in the correct order

    Yeah that's another way, that's why I said post what you got, I have recently had a slew of parts come in with slots like above being my datum C , so that rotation has become very important especially as features that call back to A|B|C and the further they get away from them it, it gets harder to control, so I want to account for everything in all directions of that slot. That particular part has a 29.97° Rotation to it's standard Feature control. which is an oddball rotation with some callouts with .001 to .002 position
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