Application of Auto LISP to Design of Piercing Mill Plug

Described in the article is a newly-developed design method for piercer plug,the parameterization drawing method resulting from combination of the "calculation method" and the "drawing method",involving drawing and designing the piercer plug with the secondary development of Auto LISP.This new solution is capable of both getting the designer free from the burden of enormous calculation and drawing work and drawing the piercer plug accurately and quickly.