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墊片沖壓工藝及級(jí)進(jìn)模具設(shè)計(jì)
摘 要：本設(shè)計(jì)題目為墊片沖裁模，體現(xiàn)了典型沖裁模的設(shè)計(jì)要求、內(nèi)容及方向，有一定的設(shè)計(jì)意義。通過(guò)對(duì)該模具的設(shè)計(jì)，加強(qiáng)了設(shè)計(jì)者對(duì)沖裁模設(shè)計(jì)基礎(chǔ)知識(shí)的理解和運(yùn)用，為設(shè)計(jì)更復(fù)雜的沖裁模具做好了鋪墊。
本設(shè)計(jì)運(yùn)用沖裁工藝及模具設(shè)計(jì)的基礎(chǔ)知識(shí)，首先分析了板材的性能要求，為選取模具的類型做好了準(zhǔn)備；然后計(jì)算了沖裁件的沖裁力，便于選取壓力機(jī)噸位及確定壓力機(jī)型號(hào)；最后分析了沖裁件的特征，便于確定模具的設(shè)計(jì)參數(shù)、設(shè)計(jì)要點(diǎn)及卸件裝置。
本設(shè)計(jì)采用了沖孔—落料級(jí)進(jìn)模成形墊片。成形原理可劃分為兩個(gè)階段：首先沖孔凸模與凹模共同作用先沖出四個(gè)3.2mm和一個(gè)8.5mm的孔，而后利用第一步?jīng)_出的四個(gè)3.2mm和一個(gè)8.5mm的孔做精確定位使外形凸模與凹模共同作用使工件落料成形。
關(guān)鍵詞： 沖孔—落料級(jí)進(jìn)模 沖孔凸模 凹模 壓力機(jī)噸位
Gasket stamping process and the Progressive Die Design
Abstract： The topic for the design is pad blanking die design,It has manifested the typical blanking dies design request, the content and the direction, has certain design significance.Through the design of the component mold, strengthens the designer’s understand and utilize to the blanking die design basical knowledge,has prepareed for designing more complex blanking die.
The design has utilize blanking craft and the basical knowledge of the mold design, has first analyzed the property requirement of the plate , has prepared for selecting the mold type；then has calculated the blanking strength,has advantaged to select the press tonnage and determine press model; Finally has analyzed the characteristic of the products, has advantaged to finite the mold design variable,the design main point and shedder.
This design used piercing and blanking progressive die to form the products.The forming principle can be divided to two stages: First, piercing punch and die affect together and pierce four holes of3.2mm and one hole of8.5mm,then use the four holes and the one hole as pinpoint to make the product formed.
Key word: Piercing and blanking progressive die Piercing punch Press Tonnage