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  • To kmcmm

    Kmcmm here is the pichttp://www.pcdmisforum.com/attachmen...7&d=1154550652
    Last edited by William Johnson; 06-04-2007, 09:26 AM.
    Time for the Trolls to leave.

  • #2
    How did you establish the rotation?
    Kevin

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    • #3
      That is what I can't figure out. How do yu select the ellipse. In the auto ellipse window I put in the min/max dia's the put in the location of the ellipse ect, but I don't know how to get the rotation. I was just on the off topic sorry about the As$ Hol$$ that you work for. It would be nice if you let us know their name (CO Name)
      Time for the Trolls to leave.

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      • #4
        I would plane the datum the same way you have it, then take manual hits in ellipse 1 and construct an ellipse then do the same for the ellipse straight across form it in the X axis. Construct points at the intersection of both ellipse and the plane then construct a line between the two. Take a circle on the outside diameter and then
        Level to the plane
        Rotate the X axis to the line
        Origin the Z axis to the plane
        Origin the X&Y axis to the circle
        This may work, but you wont know until you do it.
        Kevin

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        • #5
          Scrath the last post.

          Change the minimum and maximum diameters around, if that doesnt work change the initial vector directions i.e. 0,0,1/1,0,0 to 0,0,1/0,1,0
          Kevin

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          • #6
            I'm doing this offline without a part. I have created an alignment using level on the plane, rotate to the cir and the point. then xy on the circle, and z on the plane.
            level zplus to plane1
            rotate xplus to cir1/pt1 about zplus
            xy cir1
            z plane1
            Time for the Trolls to leave.

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            • #7
              So are you trying to remeasure ELP1 with ELP2 or measureing the ellipse that is prep to ELP1 in the X axis?
              Kevin

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              • #8
                Originally posted by William Johnson
                I'm doing this offline without a part. I have created an alignment using level on the plane, rotate to the cir and the point. then xy on the circle, and z on the plane.
                level zplus to plane1
                rotate xplus to cir1/pt1 about zplus
                xy cir1
                z plane1
                Try rotating xplus to pt1/cir1
                Kevin

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                • #9
                  If you are still having rotational issues, you could try picking up a circle at each end of ellipse 1, draw a line between the two and rotate to that. Just a thought.

                  Aren
                  Aren Winebrenner

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                  • #10
                    Rotation

                    just a suggestion...

                    I would try and create a midpoint in the center of the horizontal ellipse on the left side, then another midpoint in the center of the vertical ellipse on the right side. Construct a line from both const. pt's. and rotate to that.
                    sigpiccall me "Plum Crazy"....but you only go around once!

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                    • #11
                      I'm just trying to create this program offline without a part, and I have never done this before. I'm trying to select the ellipses from the cad model using the auto ellipse feature. I thought that there is a way to select the feature from the cad model, and have it know where these features boundrys are. I could scan it with the sp600 when I get the part but there is +/-.020 tolerance on these ellipses with no rotational information on the print, so I don't see a need for that kind of accuracy. All the want is the locations of the center and the min/max widths of the ellipses.http://www.pcdmisforum.com/attachmen...1&d=1152822921
                      http://www.pcdmisforum.com/attachmen...0&d=1152822810
                      Time for the Trolls to leave.

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                      • #12
                        Since you have 3.7MR3 you should be able to pick the feauture off of the cad model without keying any information in. Click at least three spots around the face of the ellipse that should work. If it comes out perp to the ellipse change the min/max diameters or try changing the dir vector
                        Kevin

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                        • #13
                          Thanks for the help. When I get caught up I will try that. I haven't even opened the program up today. I'm trying to learn to program offline in my spare time but there seems to be very little of that here. If I can get this simple part program written offline it will help, and I won't tie up the cmm while writing a program.
                          Time for the Trolls to leave.

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