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1、新鄉(xiāng)職業(yè)技術(shù)學(xué)院畢業(yè)設(shè)計題目名稱:墊片沖壓模具學(xué)生姓名:學(xué)號專業(yè):模具設(shè)計與制造指導(dǎo)教師:填寫時間:摘要本文分析了墊片的成型工藝特點,其中包括利用對工件的尺寸計算、工件的工藝分析、沖裁力的計算、模具設(shè)計的難點,確定了級進模的排樣方案和模具的總體結(jié)構(gòu)。該級進模有沖孔、落料、等工位。詳細介紹了凸模、凹模、固定板、卸料裝置等零部件的設(shè)計和制造,以及壓力機的選擇。闡述了模具的工作過程、以及凸模和凹模的裝配間隙,并制定典型的零件加工工藝。?關(guān)鍵詞:墊片,級進模?,模具設(shè)計26目錄內(nèi)容摘要............
2、...............................................1一、緒論............................................................51課題背景及意義...................................................52本課題及相關(guān)領(lǐng)域的國內(nèi)外發(fā)展現(xiàn)狀..............................52.1國內(nèi)模具的現(xiàn)狀......................
3、........................52.2國內(nèi)模具的發(fā)展趨勢..........................................62.3國外模具的現(xiàn)狀和發(fā)展趨勢....................................63墊片級進沖壓模具設(shè)計與制造方面3.1墊片級進沖壓模具設(shè)計的設(shè)計思路.............................6二、級進沖壓模具設(shè)計............................................71沖
4、裁件工藝性分析.............................................71.1產(chǎn)品的結(jié)構(gòu)、形狀、精度....................................71.1.1零件結(jié)構(gòu).............................................71.1.2尺寸精度.............................................71.2模具結(jié)構(gòu)的確定.............................
5、.............71.3工藝方案的制定和選擇.....................................72工藝與計算...................................................82.1排樣方案分析..............................................92.1.1條料寬度..............................................92.1.2步距...........
6、.......................................92.1.3材料利用率............................................92.2計算沖壓力與初選壓力機...................................102.2.1沖裁力...............................................102.2.2卸料力..........................................
7、.....102.2.3總沖壓力.............................................102.2.4壓力機選用...........................................112.3計算凸凹模刃口尺寸及公差................................11262.3.1尺寸計算的原則.........................................112.3.2尺寸計算(凸、凹模)..............
8、.....................133模具的總體設(shè)計................................................153.1模具類型的選擇............................................153.2卸料方式的選擇..........................................153.3送料形式...............................