Centering the Auto Plane on a Circle?

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  • Centering the Auto Plane on a Circle?

    Good morning. I'm trying to center the auto plane feature on a surface that surrounds a bore. I want to see if there's a way I can center the auto plane feature on that bore. I was thinking about modifying the XYZ coordinates, but I'm honestly not sure how.

    In the first picture, I auto-vectored (manually picked) 3 points on the CAD surface and then constructed a plane from them. This has given me mixed results because the bore isn't always in exactly the same place, so sometimes the shank of the probe will hit the surface instead of the ruby ball itself.

    So I decided to try and create an auto plane on the same surface, but I'm having issues as described above. What would you suggest?

    pc1.JPGpc3.JPG

    In case anyone wants the code for the first pic (don't worry, I'll zero the vectors out):

    Code:
    PNT29 =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
    THEO/<-6.528,120.306,88>,<0.052336,-0.9986295,0>
    ACTL/<-6.444,118.455,87.998>,<0.052336,-0.9986295,0>
    TARG/<-6.528,120.306,88>,<0.052336,-0.9986295,0>
    SNAP=NO
    SHOW FEATURE PARAMETERS=NO
    SHOW CONTACT PARAMETERS=YES
    AVOIDANCE MOVE=BEFORE,DISTANCE=19.05
    SHOW HITS=NO
    PNT30 =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
    THEO/<5.865,120.955,75.547>,<0.052336,-0.9986295,0>
    ACTL/<5.938,119.698,75.555>,<0.052336,-0.9986295,0>
    TARG/<5.865,120.955,75.547>,<0.052336,-0.9986295,0>
    SNAP=NO
    SHOW FEATURE PARAMETERS=NO
    SHOW CONTACT PARAMETERS=YES
    AVOIDANCE MOVE=NO,DISTANCE=19.05
    SHOW HITS=NO
    PNT31 =FEAT/CONTACT/VECTOR POINT/DEFAULT,CARTESIAN
    THEO/<-16.08,119.805,75.87>,<0.052336,-0.9986295,0>
    ACTL/<-15.982,118.306,75.888>,<0.052336,-0.9986295,0>
    TARG/<-16.08,119.805,75.87>,<0.052336,-0.9986295,0>
    SNAP=NO
    SHOW FEATURE PARAMETERS=NO
    SHOW CONTACT PARAMETERS=YES
    AVOIDANCE MOVE=AFTER,DISTANCE=19.05
    SHOW HITS=NO
    PLN6 =FEAT/PLANE,CARTESIAN,TRIANGLE,NO
    THEO/<-5.581,120.355,79.806>,<0.0523364,-0.9986295,0.0000303>
    ACTL/<-5.496,118.82,79.813>,<0.0627752,-0.9973349,-0.0371804>
    CONSTR/PLANE,BF,PNT29,PNT30,PNT31,,
    OUTLIER_REMOVAL/OFF,3
    FILTER/OFF,WAVELENGTH=0
    MOVE/POINT,NORMAL,<-3,110,140>

  • #2
    Set the origin on the bore and then create the plane. The plane will then follow the bore location
    Last edited by kingsld1; 03-08-2020, 11:45 AM.

    Comment


    • Darrollh
      Darrollh commented
      Editing a comment
      Also, when you use auto planes, set it to radial.

    • Douglas
      Douglas commented
      Editing a comment
      and use the angle IJK values to 'rotate' it the way you might with start and end angle of a circle... the angle IJK is the angle of the pattern(radial or square) about the center point

    • ALousyUser
      ALousyUser commented
      Editing a comment
      Ah, temporarily align to that bore and then revert to the previous one after this is done. Got it.

  • #3
    you can also trick it by opening the auto circle window, then clicking the hole to get the XYZ of it, now go to the drop down and change the feature type to plane and the x,y,z will not change. If the hole has a chamfer click on that and get it to pick the circle at the top of the chamfer and you will have the XYZ coords where the hole intersects the plane. You can get all that just clicking on the model
    Last edited by Douglas; 03-07-2020, 03:23 PM.

    Comment


    • Douglas
      Douglas commented
      Editing a comment
      alternatively if you know the x,y,z values and just want to edit them, open the auto plane, click on the surface and then just click on the boxes and manually edit the x,y,z. Then as said earlier change the pattern to radial and set the spacer value to the distance you want hits from the center point. Sometimes these values might be clear and easy to edit manually but on an angled face that will not be the easy way

  • #4
    Another thought, though setting the origin to the bore can be a bit easier. The following measures the plane .03" away from the edge of the measured circle. Ignore the parameters other than the one in red, this was just a quick example

    Code:
    CIR1 =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
    THEO/<-0.499,0.644,-1.15>,<0,0,1>,25
    ACTL/<-0.499,0.644,-1.15>,<0,0,1>,25
    TARG/<-0.499,0.644,-1.15>,<0,0,1>
    START ANG=205,END ANG=340
    ANGLE VEC=<1,0,0>
    DIRECTION=CCW
    SHOW FEATURE PARAMETERS=NO
    SHOW CONTACT PARAMETERS=YES
    NUMHITS=7,DEPTH=5,PITCH=0
    SAMPLE METHOD=SAMPLE_HITS
    SAMPLE HITS=3,SPACER=0
    AVOIDANCE MOVE=NO,DISTANCE=10
    FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
    SHOW HITS=NO
    
    
    PLN1 =FEAT/CONTACT/PLANE/DEFAULT,CARTESIAN,OUTLINE,LEAST_SQR
    THEO/<[COLOR=#C0392B][SIZE=14px][B]CIR1.X,CIR1.Y[/B][/SIZE][/COLOR],0>,<0,0,1>
    ACTL/<-0.499,0.644,0>,<0,0,1>
    TARG/<CIR1.X,CIR1.Y,0>,<0,0,1>
    ANGLE VEC=<1,0,0>,[SIZE=14px][COLOR=#C0392B][B]RADIAL[/B][/COLOR][/SIZE]
    SHOW FEATURE PARAMETERS=NO
    SHOW CONTACT PARAMETERS=YES
    NUMHITS=8,NUMRINGS=1
    SPACER=[COLOR=#C0392B][SIZE=14px][B]CIR1.R+.03[/B][/SIZE][/COLOR]
    AVOIDANCE MOVE=NO,DISTANCE=10
    SHOW HITS=NO

    Comment


    • #5
      Set the AUTOFEAATURE plane as RELATIVE TO the cylinder, no need for a temp alignment, bingo, bango, bongo, the plane follows the cylinder.
      sigpic
      Originally posted by AndersI
      I've got one from September 2006 (bug ticket) which has finally been fixed in 2013.

      Comment


      • ALousyUser
        ALousyUser commented
        Editing a comment
        The RELATIVE TO function is extremely useful to know, thanks for the tip!

    • #6
      In my photo you can see how to access Relative measure options in autoplane.
      You may only view thumbnails in this gallery. This gallery has 1 photos.
      Systems Integrator
      Hexagon Manufacturing Intelligence

      Comment


      • ALousyUser
        ALousyUser commented
        Editing a comment
        This is very useful information to know.

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