Position Tolerance in Crystal Ball
February 17, 2021 at 11:13 am #252461
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I am working on a Tolerance Analysis where I am looking to move from block tolerance (+/-0.005) to position (0.002 MMC to datum A) for six drilled holes. I have completed the tolerance analysis for the block tolerance and run my analysis, I am looking to make sure as I change to the Position call out that I enter the tolerance correctly.
In the attached pic you will see the two version of tolerance analysis, I want to make sure I capture the tolerance applied to the six locations (lid and base separately).0February 22, 2021 at 6:21 pm #252537
+/- 0.005 allows for 0.005 in the X Direction, as well as +/-0.005 in the Y Direction.
This Equates to a Hypotenuse, at a 45 Degree Angle, of 0.007 (Radius) Times 2 = .014 True Position RFS.
Not Considering the Tolerance for the MMC, the 0.002 MMC, would be a severe and dramatic reduction of the total tolerance.
0.002 True Position is Equal to a Radius pf 0.001, which Equates to +/- 0.0007 in the X and Y Direction.
Again, Huge Reduction in the Original Tolerance
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