常見例句雙語例句So it is very necessary to exploit a practical CAD system for panel trimming and punching die design.所以，針對覆蓋件開發(fā)一套實用的修邊沖孔模CAD系統(tǒng)無疑是十分必要的。Based on analysing the typical structure of trimming and punching dies, the author proposes a CAD system for panel trimming and punching die structure design based on functional component.在分析汽車覆蓋件修邊沖孔模典型結構的基礎上，提出了一種基于功能組件的修邊沖孔模CAD系統(tǒng)結構。Analyzed forming process of the fixed frame in automobile steering system, mainly introduced side hold punching die structure design.分析了汽車轉向系統(tǒng)中固定架的成形工藝，主要介紹了沖側孔的模具結構設計。dictall.com 返回 punching die