Often, designers need to create symmetrically shaped parts. Symmetrical parts are usually easier to assemble, look better and help maintain balance in a design. Features shown symmetrical must be controlled to avoid incomplete drawing requirements [Y14.5M-1994 Para 2.7.3]. Symmetry [Para 5.14] is an option in these situations but it is difficult …
Controlling Symmetrical Relationships with Positional Tolerancing (#4)
(In accordance with Y14.5M-1994 standard)
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