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70* datum D

Axis of hols must be perpendicular must totally lie within the segment basically located In relation to the to datum A as specified, and of a ring-shaped tolerance zone specified datum reference frame.

^ Datum plane B

0.2 wide tolerance zone

Datum plane A

0.04 wide tolerance zone

True position related to datum reference frame

FIG. 5-42 BIDIRECTIONAL POSITIONAL TOLERANCING, POLAR COORDINATE METHOD

Methods Dimensioning Drawing

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