Abstract:This article discusses the whole process of design of bottle cap of Tjoy cleansing facial milk. First, measure the sizes the cap, and creat 3-D mould of the cap by using CAD and Pro/E. Second, perform mould separation by Pro/E. Then, analyse the appearance and structure of the plastic, and design the mould selection of the materials, design of the mould uses Pin-point gate, the straight guide pillar guidance. So, this design guarantees the credibility of the mould. Finally, verify the matching of the structure of mould and the injectionor, plot an assembly diagram and a diagram of parts. 笔译,参考一下吧。