Don’t Complicate Control of Your Datum Features (#185)
(In accordance with Y14.5M-1994 standard)
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Datum features are just that-features. Since they are features, they need to be controlled. It seems that some people do not apply controls to datum features because they think datums are perfect, which is true. However, the features that establish the theoretical datums must be controlled. Other folks tend to over control the datum features. …
