I毕业生姓名:贾腾专业:机械制造与自动化学号:070521111指导教师周会成所属系(部):机电系冷冲压是利用安装在压力机上的冲模对材料施加压力,使其产生分离或塑性变形,从而获得所需要零件(俗称冲压件或冲件)的一种压力加工方法。冲模是将材料加工成所需冲件的一种工艺装备。冲模在冷冲压中至关重要,没有符合要求的冲模,冷冲压就无法进行;没有先进的冲模,先进的冲压工艺就无法实现。冷冲压生产过程的主要特征是依靠冲模和冲压设备完成加工,便于实现自动化,生产率很高,操作简单。对于普通压力机,每台每分钟生产几件到几十件冲压件,而高速冲床可生产数百件甚至千件以上的冲压件。冷冲压所获得的零件一般无需进行切削加工,因而是一种节省能源、节省原材料的无需(或少)切削加工方法。但是,冷冲压必须具备相应的冲模,而冲模制造的主要特征是单件小批量生产,精度高,技术要求高,是技术密集型产品。因而,在一般情况下,只有在产品生产批量大的情况下,才能获得较高的经济效益。:冷冲压压力机冲模冲压件Coldstampingpressesareinstalledintheuseofthematerialtodietoexertpressuretoproduceplasticdeformationorseparation,toobtainthenecessarycomponents(commonlyknownasstampingpartsorpiecesofsalt),apressureprocessingmethods.Diewillbeprocessedintomaterialforacase-processingequipment.Dieinthecoldstampingofvitalimportance,nottomeettherequirementsofthedie,coldstampingcannotbecarriedoutwithoutthedieadvanced,advancedstampingprocesscannotbeachieved.Coldstampingthemainfeaturesoftheproductionprocessisrelyingonthedieandstampingequipmenttocompleteprocessing,andfacilitatetherealizationofautomation,highproductivity,easytooperate.Forordinarypresses,eachproducingafewminuteseachtodozensofpressparts,andhigh-speedpressescanproducehundredsoreven1,000morethanthestampingparts.Coldstampingpartsreceivedbythegeneralneedforcutting,andisthusakindofenergysaving,thesavingofrawmaterialswithout(orless)cuttingmethods.However,thecoldstampingmusthavethecorrespondingdie,anddiemanufacturingisthemaincharacteristicsofsmall-volumeproduction,highprecision,hightechnicalrequirements,istechnology-intensiveproducts.Thus,innormalcircumstances,onlyintheproductionoflargequantitiesofcircumstances,canreceiveahighereconomicefficiency.Keyword:ColdstampingPressDieStampings前言.............................................................................................1第一章模具的分析及计算...............................................................4第一节产品零件的工艺分析.........................................................4第二节冲裁间隙的选用...............................................................5第三节计算冲压力.............