Auto High Point

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  • Auto High Point

    3.7 MR3

    I have used Auto High Point in various programs and it has always served me well.
    However, in all of those cases I was in On-Line mode.
    I am working on a program Off-Line and just noticed that the 3 points I am using show the actuals as .0295 off nominal. This is exactly 1/2 the probe dia.

    PNT4 =AUTO/HIGH POINT,SHOWALLPARAMS = YES
    THEO/0,4.3745,4.1207,1,0,0
    ACTL/-0.0295,4.3745,4.1207,1,0,0
    TARG/0,4.3745,4.1207,1,0,0
    THEO_THICKNESS = 0,RECT,$
    AUTO MOVE = NO,DISTANCE = 0.5,RMEAS = None,None,None
    INCREMENT = 0.025,TOL = 0.01,BOX,WIDTH = 0.1,LENGTH = 0
    CENTER = 0,4.3745,4.1207

    I have my part CAD wedded to the Fixture Cad and so when I am probing the part the nominals look OK (Off-Line of course).

    Since I don't yet have a part or fixture I can't check to see if this is going to screw things up or not.

    I have 10 different part/fixture programs to write for this project and I would sure hate to get them all done only to find out I have a problem.

    What follows is a code from a point in a prototype program.
    Same setup here. The code shows results after measurement.
    You can see that the nominals/actuals are pretty close.

    PNT7 =AUTO/HIGH POINT,SHOWALLPARAMS = NO
    THEO/0,4.3814,4.3387,-1,0,0
    ACTL/-0.0023,4.3852,4.3388,-1,0.0000108,0.00023
    TARG/0,4.3814,4.3387,-1,0,0

    Any words of wisdom?
    Lately, it occurs to me
    What a long, strange trip it's been.

    2017 R1 (Offline programming)

  • #2
    Is probe compensation turned on ???
    sigpic.....Its called golf because all the other 4 letter words were taken

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    • #3
      Originally posted by bw_bob View Post
      Is probe compensation turned on ???
      Yeah.
      Lately, it occurs to me
      What a long, strange trip it's been.

      2017 R1 (Offline programming)

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      • #4
        After a bit more experimentation I have determined that there are issues with running Auto High Points Off-Line. (At least when used in an Iterative Alignment)
        Anyone else experience this?
        Last edited by John Riggins; 08-28-2007, 07:29 PM.
        Lately, it occurs to me
        What a long, strange trip it's been.

        2017 R1 (Offline programming)

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