Patterns of Features Used to Establish a Datum, Part 1 of 3
Автор: Tec-Ease
Загружено: 2024-08-12
Просмотров: 916
The Y14.5 standard tells us we can use a pattern of features to establish a datum (Y14.5-2009 paragraph 4.12, Y14.5-2018 paragraph 7.12). The pattern of features may be specified using one datum feature letter or a hyphenated list of datum feature letters, termed a “Multiple Datum Feature” in 2009, or a “Common Datum Feature” in 2018.
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