Getting a Star probe square to your machine

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  • Getting a Star probe square to your machine

    First, you need to have your star square to the machine.
    What I do is place a 123 block on my plate.
    I have a Rayco plate so it is easy to get that square.
    When I put the star in I eyeball it square to the block.
    Your dual calsphere needs to be pretty square to the machine also.
    Next, I calibrate each tip individually, starting with #1.
    It might take a few tries, but it'll work.
    Here are a couple of pics of how I do it.

    Photo_102406_002.jpg

    Photo_102406_003.jpg
    Last edited by John Kingston; 10-24-2006, 12:50 PM.
    When in doubt, post code. A second set of eyes might see something you missed.
    sigpic

  • #2
    John do you use the dual sphere from B&S for calibration or something else ???
    sigpic.....Its called golf because all the other 4 letter words were taken

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    • #3
      The one from B&S. No problems. It took some work, but I got it with help from Ken Amason.
      When in doubt, post code. A second set of eyes might see something you missed.
      sigpic

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      • #4
        could you post how you calibrated. I would be interested
        Steal it instead of doing it myself.....thats my motto....Thanks
        sigpic.....Its called golf because all the other 4 letter words were taken

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        • #5
          What angle is your sphere on
          sigpic
          if you had soap on a rope it would be tied to yer ankle

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          • #6
            John please put together a step-by-step document with pictures taken at various angles. A spreadsheet with a flow chart diagram will need to be made as well. Don't forget the cover sheet.
            <internet bumper sticker goes here>

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            • #7
              Originally posted by craiger_ny
              John please put together a step-by-step document with pictures taken at various angles. A spreadsheet with a flow chart diagram will need to be made as well. Don't forget the cover sheet.
              Yes, make sure you read that memo about the cover sheet for the TPS reports.

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              • #8
                Can't get any pics right now. CMM is set up for something else. Sorry, no flow chart. Sphere is at a 45 degree angle. I calibrate on the top sphere which points into Y-axis.

                1) Place 2 "1-2-3" blocks on the table. Get those square to the table. I use a Rayco fixture so this is pretty easy.

                2) Move head so that one tip of the star is between the "1-2-3" blocks. Make the gap in the 123 blocks as small as possible.

                3) Move head so that the 2tips perp to your first tip are parallel to the 123 block.

                4) Tighten star in that position.

                5) Calibrate the #1 tip. This is the tip pointing straight down.

                6) Calibrate all tips. You may have some come up "out-of-tolerance". Recalibrate only these. You may need to repeat that calibration a few times as the tips may be slightly out.

                7) once all the tips are in I run all tips again. It usually works after 2 runs.
                Last edited by John Kingston; 10-24-2006, 04:23 PM.
                When in doubt, post code. A second set of eyes might see something you missed.
                sigpic

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                • #9
                  Originally posted by craiger_ny
                  John please put together a step-by-step document with pictures taken at various angles. A spreadsheet with a flow chart diagram will need to be made as well. Don't forget the cover sheet.
                  I'll try to get a picture of the t-shirt I forgot to bring to NY. Has a "flow chart" for input/output.
                  When in doubt, post code. A second set of eyes might see something you missed.
                  sigpic

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                  • #10
                    Ken Amason is my predecessor. Even with his and John Kingston's help I was not able to get my star probe to calibrate all on one sphere. But with the help of James Mannes and the wonderful attached document I was able to get all tips to calibrate using both spheres. HTH
                    Attached Files
                    sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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                    • #11
                      I know you guys read my post about the cover sheet. I don't see a cover sheet. There should be a cover sheet. You guys did read my post about a cover sheet right. I'll get that post to you guys on the cover sheet so that you'll have it..........
                      <internet bumper sticker goes here>

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                      • #12
                        Originally posted by craiger_ny
                        I know you guys read my post about the cover sheet. I don't see a cover sheet. There should be a cover sheet. You guys did read my post about a cover sheet right. I'll get that post to you guys on the cover sheet so that you'll have it..........

                        Take your cover sheet and do what you would have done with the hat. . .

                        Speaking of, why isn't there an image of you in the hat on one of the other threads? Huh? Huh? HUH?
                        sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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                        • #13
                          We don't need no stinking cover sheets!
                          When in doubt, post code. A second set of eyes might see something you missed.
                          sigpic

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                          • #14
                            Here is another little helper...

                            http://www.box.net/public/6db96oashp
                            sigpic

                            James Mannes

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                            • #15
                              Originally posted by JamesMannes
                              Here is another little helper...

                              http://www.box.net/public/6db96oashp
                              I tried to post that one too, but this board won't let you attach an rtf or txt file. *&%$#&*@&*!!!!!!!!!!! I guess I should have been resourceful enough to find a workaround like you. I should be used to having to do that with all things Hexagon.
                              sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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