Volumetric accuracy--where are you at?

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  • Volumetric accuracy--where are you at?

    We recently had our calibration done, and due {I think} to several years of use and the installation of a hoist over the machine last year, we had a bunch of gunk in the bearings.
    Our tech did clean some of them, and got us down to a 12.2 micron volumetric calibration (outside of the 8.7 manufacturers spec for our machine). Based on what we do, and tolerances etc., we accepted this value for now.
    (We will do a thorough cleaning and re-laser, re-cert later this year).

    But my question, is how many of you out there are in the same position, outside of the manufacturers spec for volumetric accuracy of the machine?

    Just curious........

  • #2
    I'm in.

    B&S Xcel 9-15-9

    VA .0094 in spec

    sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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    • #3
      I'm in! Cal done yesterday.

      B & S Xcel 9-15-9 uha

      spec. 7.7 cal at 6.8

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      • #4
        We're good...

        Cal done a couple of weeks ago and I'm within my 18 micron envelope...

        B&S Xcel 15-20-10
        sigpic
        Xcel 15-20-10 - PFXcel 7-6-5 - Merlin 11-11-7 - Romer Absolute 7525SI
        PCDMIS 2012
        Windows Office XP

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        • #5
          Cal done 9/1/05 .0046 volumetric
          B&S 7-10-7
          Clean area temp controlled to within 1/2 degree F
          Tolerance challenged ... Living in the world of unseen lines.

          This software isn't buggy its an infestation

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          • #6
            Done in January - .7 micron

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            • #7
              VA .0004 in January
              Jonathan S
              pcdmis 2009
              G&L CORDAX RS-150 DCC
              B&S global 15-30-10
              DEA Delta Slant 30-100-15

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              • #8
                This is my calibration what do you think? is this good or bad

                RUN X POSITION Y POSITION Z POSITION
                ----------------------------------------------------------
                1 -0.0003 0.0016 -0.0006
                2 -0.0006 0.0013 -0.001
                3 -0.0004 0.0014 -0.0006
                4 -0.0004 0.0015 -0.0008
                5 -0.0002 0.0011 -0.0008
                6 -0.0003 0.0015 -0.0008
                7 -0.0002 0.001 -0.0008
                8 0 0.0009 -0.0004
                9 -0.0003 0.0015 -0.0009
                10 -0.0006 0.0015 -0.0007


                RANGE 0.0005 0.0007 0.0006


                B89 Sphere Repeat Specification = 0.0015 mm

                B89 Repeat Test Has PASSED
                Global Status 777 PC-DMIS 2014
                Windows 7
                ever stop to think and forget to start again?

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                • #9
                  .004mm as of last calibration - 7/05

                  MicroXcel 7-6-5
                  sigpic Life is not a journey to the grave with the intention of arriving safely, but rather a skid in broadside, totally worn, proclaiming WOW What a ride!

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                  • #10
                    I'm in, 12.5 microns dea gamma 2203
                    kb
                    RFS Means Really Fussy Stuff

                    When all you have is a hammer - everything looks like a nail....
                    sigpic

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                    • #11
                      B&S Global Status is at .0089 mm on 9/05, spec on machine is .0112 mm.
                      Global Status 12-22-10
                      Global Performance 9-15-8
                      CAD++ 2015.1_SP7

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                      • #12
                        B&S Global Advantage 09-15-08, new in oct 2005

                        0,003 Volumetric (720 mm lenght, max deviation in calibration report)

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