Direct method to determine singular point of enveloped surface and its application to worm wheel tooth surface
Jian Cui,
Yaping Zhao,
Qingxiang Meng
et al.
Abstract:A novel methodology for determining the singular point of an enveloped surface is put forward. Unlike some existing methods, the presented method starts directly from the equation of the enveloped surface instead of that of the generating surface, and it is thus called a direct method. The calculation for the normal vector of the enveloped surface is well simplified with the help of the moving frame approach, which makes the presented method feasible. The singularity condition equation is extracted by using th… Show more
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