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  • Users: kmansoor
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  1. kmansoor

    NUMBER OF POINTS REQUIRED FOR CMM MEASUREMENT

    IS THERE ANY NORTH AMERICAN STANDARD THAT SPECIFY HOW MANY POINTS ARE REQUIRED TO MEASURE A FEATURE USING CMM MACHINE. I HEARD THE BRITIS STANDARD BS7172 SPECIFIES THIS REQUIREMENT FOR EXAMPLE 9 POINTS FOR A SURFACE 15 POINTS FOR A CYLINDER.
  2. kmansoor

    runout relative to same feature's axis

    Hi, I am working on a legacy drawing that I am reviewing for GD&T correctness. This part is a shaft that is calling for circular runout on the OD surface referenced to shaft dia as reference datum(please see the attachment). I know better ways of controlling this shaft but I can only change it...

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