Feature-Based Modelling of Families of Machined Parts

摘要

A feature-based modelling system is introduced where the user can instantiate,modify and create new part and part family classes. Feature descriptions are coded in a special feature definition language and they can be easily added and modified by the user. LISP frames are used to store feature information. In the modelling system either the solid or feature model representation of a part can be modified. While creating a new part family class a stored design history is utilized in generating the geometry definition of the part. Then, the class frame can be edited using a special frame editor.