Dimensions Don’t Have to Come From Datums, They Just Have to Get You Back There (#184)
(In accordance with Y14.5M-1994 standard)
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Here is a Tip that can really pay off. Production was troubled because datum feature C had a very small surface roughness requirement. Feature C is a thrust surface and functionally should be the secondary datum feature. Production did not feel they could keep setting up on feature C to establish a measurement plane for axial measurements because …
