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車門墊板沖壓模設(shè)計(jì)
摘要
本設(shè)計(jì)題目為22型客車車門墊板級進(jìn)模設(shè)計(jì)，體現(xiàn)了級進(jìn)模的設(shè)計(jì)要求、內(nèi)容及方向，有一定的設(shè)計(jì)意義。通過對該零件模具的設(shè)計(jì)，進(jìn)一步加強(qiáng)了本人對級進(jìn)模設(shè)計(jì)的基礎(chǔ)知識，為設(shè)計(jì)更復(fù)雜的級進(jìn)模具做好了鋪墊和吸取了更深刻的經(jīng)驗(yàn)。
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，首先分析了板材的成分及性能要求，為選取沖裁方式做好了準(zhǔn)備；然后選取了合理的排樣，提高了材料的合理利用率；接著分析計(jì)算凸凹模尺寸、及其它零部件的尺寸與制造方法，最后選取合適的的壓力機(jī)。
對沖壓生產(chǎn)而言，單工位模具結(jié)構(gòu)單一，生產(chǎn)效率低，而且鈑金零件不能過于復(fù)雜，否則就需要多副單工位模具才能實(shí)現(xiàn)。如果采用級進(jìn)模進(jìn)行沖壓生產(chǎn)，就可以改變這些缺點(diǎn)。級進(jìn)模的特點(diǎn)是生產(chǎn)效率高，生產(chǎn)周期短，占用的操作人員少，非常適合大批量生產(chǎn)。本設(shè)計(jì)即為宇通客車車門墊板設(shè)計(jì)的級進(jìn)模。
關(guān)鍵詞：多工位級進(jìn)模；排樣；設(shè)計(jì)；凸凹模；
Abstract
The topic of design for the 22-passenger door Dianban progressive die design, reflects the progressive die design requirements, the contents and direction of a certain design significance. Parts of the mold through the design, I further strengthen the progressive die design of the basic knowledge for the design of more complex Progressive Die well pave the way and lessons more profound experience.
The use of the design process and die design blanking the basis of knowledge, the first sheet of the composition and performance requirements, methods for selecting prepared for the punch and then select a reasonable layout to improve the rational utilization of the material; then Analysis of Tuao die size, and other parts of the size and manufacturing methods, the final selection of a suitable press.
Stamping on the production, single-die structure for a single, low production efficiency, and sheet metal parts can not be too complicated or they need more of the single-die can be achieved. If using a progressive die stamping, you can change these shortcomings. Progressive Die is characterized by high productivity, short production cycle, occupied by the operators of small, very suitable for mass production. This design is the Yutong Bus doors Dianban design of progressive die.
Key words: Progressive Die; layout, design, Tuao die;