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yes, no
specifies whether nc manufacturing stores the mesh generated by pro/engineer mechanica along with the tool path or not. nc manufacturing uses the mesh to compute the tool path for cut line surface milling.
yes—nc manufacturing checks whether a mesh has been stored with the nc sequence. if the mesh is valid, that is, the geometry has not changed since the earlier computation, nc manufacturing uses it to compute the tool path. if a mesh has not been stored or is not valid, a new mesh is generated and stored with the nc sequence. this is the default.
no—a new mesh is always generated to compute the tool path. nc manufacturing ignores and deletes any stored mesh.