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河南機電高等?？茖W校畢業(yè)設計說明書
摘 要
本設計題目為銅片沖孔落料級進模模設計，體現(xiàn)了沖孔落料類零件的設計要求、內(nèi)容及方向，有一定的設計意義。通過對該零件模具的設計，進一步加強了設計者沖裁模設計的基礎知識，為設計更復雜的沖裁模具做好了鋪墊和吸取了更深刻的經(jīng)驗。
本設計運用沖壓工藝及模具設計的基礎知識，首先分析了工件的工藝要求，為選取排樣的類型做好了準備；然后估算了板料的選取，便于導尺的寬度及確定排樣的方法；最后分析了工件的特征，確定模具的設計參數(shù)、設計要點及自動漏料裝置。
本工件為薄板的沖孔落料見，且工件的料厚較薄，所以在選取壓力機是不宜過大，材料上說銅料的屈服強度也沒有鋼料的大，工件的尺寸較小設計時必須考慮設計一個能在沖孔落料時的剪切力小于材料的屈服強度以免沖裁力過大沖出廢件。
關鍵詞：沖裁模 沖裁 極限強度
Abstract
Blank and Prerce Grogressive Dies
This design topic hurtles bore to fall to anticipate class to enter a mold mold design for the copper, body now the blunt bore fall to anticipate a type of spare parts of design request, contents and direction, there is certain design meaning.Pass the design to the spare parts' molding tool, strengthened designed further blunt cut the foundation knowledge of[with] mold design, for design more complicated of blunt cut a molding tool to have done cushion and absorbed deeper experience.
This design usage blunt press the foundation knowledge of craft and molding tool design, analyzed the craft of the work piece a request first, have done preparation for the type that the selection lines up kind;Then the selection estimating plank to anticipate, easy to lead the method of the width and assurance row kind of Chinese foot;Analyzed the characteristic of work piece finally, make sure the design parameter, design important point of molding tool and leak to anticipate device automatically.
This work piece falls to anticipate to see for the blunt bore of lamella, and the work piece anticipate thick thinner, so Be selecting by examinations pressure machine is should not lead greatly, say on the material the copper anticipates accepts defeat strength to also have no steel to anticipate of big, the size of work piece is smaller to design have to consider to design 1 can while hurtling the bore fall to anticipate of shearing and slicing the dint is small to accept defeat strength in the material in order to prevent blunt once cut dint to rush out to discard a piece greatly.
Keyword： blanking die blanking ultimate