Auto Cones

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  • Auto Cones

    Could someone explain to me how to plug in the diameter when using the auto cone function. I am using version 3.7 mr3. There is only one box for the diameter input. Thankfully the cone I am measuring has a small angle so that the diameter I set is in between the larger and smaller ends of the cone. If the cone has say a 30° included angle, one end would have a much larger diameter than the other and depending on the input, the probe would run out of travel or crash. Thank you in advance for your respones.

  • #2
    The dianeter in a cone, this value represents the nominal diameter at the end of the cone where you've defined the X,Y, and Z location.

    Creating without Using CAD Data

    To generate the cone without using CAD data:

    Take three hits on the surface to find the plane that the cone is lying in.

    Take three hits in the hole (or on the stud) at the same level.

    Take at least 1 hit at either a lower or higher level than the first three hits (take up to three hits to get an accurate definition of the cone).

    Note that an external cone (stud) from versions 3.6 and before may need to have its vectors and length negated to correctly measure.
    sigpichttp://npmichaels.com/ (My sons book)
    THANKS (CAD IS ALWAYS MASTER)
    4.3 & 4.2MR2/GLOBAL/PH10MQ/WINDOWS XP

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    • #3
      Thanks Npvien for your response. I have in the past used manual cones with some success. Problem now is I have correlation issues doing them with this version of pcdmis. The auto cone function seems to work better. I am just curious as to what the procedure is to plug in the diameters.

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      • #4
        This is in the 3.7 manual

        If you receive the hit data from DMIS or manually modify at least one
        of the hit's X, Y, Z, I, J, or K values, PC-DMIS will not regenerate the
        hits based on the feature theoretical when it executes the part program.
        Instead, PC-DMIS will use the supplied hit data for all of the
        measurements. However, if you change one of the following feature
        parameters, PC-DMIS will disregard the hit data that you provided and
        regenerate the hits based on the changed parameter. The parameters
        are: "NUMHITS", "ANGLEVECTOR", "DIAMETER", "LENGTH",
        "WIDTH", "HEIGHT", "INOUT", "STARTANGLE", "ENDANGLE",
        "PITCH", "ANGLE", "WIDTH MINMAX", "MAJORDIAMETER",
        "MINORDIAMETER", and "NUMROWS".
        sigpichttp://npmichaels.com/ (My sons book)
        THANKS (CAD IS ALWAYS MASTER)
        4.3 & 4.2MR2/GLOBAL/PH10MQ/WINDOWS XP

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        • #5
          Thanks, I will look check it out.

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