Abstract
Tolerance modeling is imperative for the integration of CAD and CAM. Variational modeling for the centerline with unequal locational tolerance is researched. Based on the DOF and variational model, the variational DOF based representation is given for the centerline. The limitation conditions for model- ing the unequal tolerance specification are analyzed. And the variational modeling method is proposed for the centerline with unequal locational tolerance. With this model, the semantics of unequal locational tolerance is exactly interpreted. Furthermore, based on region division strategy and pre-calculation method, an efficient realization method for generating variational cen- terline without any Boolean intersection operation is researched in 3D CAD systems. At last, some test examples are given.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
