Tài liệu Handbook of Machine Design P39 doc

Tài liệu Handbook of Machine Design P39 doc

Tài liệu Handbook of Machine Design P39 doc

... initial point of contact; b, final point of contact. Line aPb is the line of action. Point a is the initial point of contact. This point is located at the intersection of the addendum ... during generation of the profile. Point b of Fig. 33.2 is the final point of contact. This point is located at the inter- section of the addendum circle of...

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