編號無錫太湖學(xué)院畢業(yè)設(shè)計（論文）題目：角片套冷沖壓工藝及級進模設(shè)計信機系機械工程及自動化專業(yè)學(xué)號：學(xué)生姓名：指導(dǎo)教師：（職稱：副教授）（職稱：）2013年5月25日無錫太湖學(xué)院本科畢業(yè)設(shè)計（論文）誠信承諾書本人鄭重聲明：所呈交的畢業(yè)設(shè)計（論文）角片套冷沖壓工藝及級進模設(shè)計是本人在導(dǎo)師的指導(dǎo)下獨立進行研究所取得的成果，其內(nèi)容除了在畢業(yè)設(shè)計（論文）中特別加以標(biāo)注引用，表示致謝的內(nèi)容外，本畢業(yè)設(shè)計（論文）不包含任何其他個人、集體已發(fā)表或撰寫的成果作品。班級：機械95學(xué)號：0923228作者姓名：2013年5月25日II摘要本模具采用切廢料方式進行沖壓，模具結(jié)構(gòu)采用切口、拉深、沖導(dǎo)正孔、導(dǎo)正再拉深、切廢料、彎曲、切斷的工序設(shè)計，排樣采用單排橫排排列。并采用正裝方式設(shè)計模具結(jié)構(gòu)，即凹模裝在下模部分，同時為了正確控制送料步距采用單側(cè)側(cè)刃定距，在主要位置采用導(dǎo)正銷導(dǎo)正精確定位。由于料較薄，沖壓速度較快，卸料可采用彈性卸料結(jié)構(gòu)，建議彈性材料采用彈簧。廢料采用在凹模（下模）向下推出，最后產(chǎn)品也是在下模向下推出。帶料采用自動左右有側(cè)壓的送料裝置。同時為了正確控制送料步距采用側(cè)刃定距。由于料不是很厚，沖壓速度適中，故卸料采用彈性卸料結(jié)構(gòu)，彈性材料采用矩形截面彈簧。廢料和產(chǎn)品均采用向下推出。帶料采用自右向左的自動送料裝置。沖壓工藝分析主要考慮產(chǎn)品的沖壓成形工藝，最主要的是包括技術(shù)和經(jīng)濟兩方面內(nèi)容。在技術(shù)方面，根據(jù)產(chǎn)品圖紙，主要分析零件的形狀特點、尺寸大小、精度要求和材料性能等因素是否符合沖壓工藝的要求；在經(jīng)濟方面，主要根據(jù)沖壓件的生產(chǎn)批量，分析產(chǎn)品成本，闡明采用沖壓生產(chǎn)可以取得的經(jīng)濟效益。因此工藝分析，主要是討論在不影響零件使用的前提下，以最簡單最經(jīng)濟的方法沖壓出來。關(guān)鍵詞：角片套；沖壓工藝；排樣；級進模IIIAbstractThediebycuttingwastestamping,diestructureincision,drawing,redpilothole,drawingguide,cutwaste,bending,thecutprocessdesign,arrangedinasinglerowofhorizontalnesting.Anddressdesignthediestructure,thedieattachedtothelowerdiepart,inordertoproperlycontrolthefeedingstepunilateralsideofthebladefixedpitch,inthemainlocationpilotstoprecisepositioning.Asthematerialisthin,stampingspeed,thedischargemaybeusedintheelasticunloadingstructure,itisrecommendedthattheelasticmaterialwithspring.Wasteusingthedie(downdie)launcheddownthefinalproductislowerdiedownsoon.Stripautomaticfeedingdeviceleftandrightsidepressure.Inordertoproperlycontrolthefeedingstepawayfromthesideofthebladefixedpitch.Asthematerialisnotverythick,stampingmoderatespeed,thedischargeelasticunloadingstructure,elasticmaterialwithrectangularcross-sectionspring.Thewasteproductsareuseddownsoon.Automaticfeedingdevicewithmaterialfromrighttoleft.Stampingprocessanalysisconsiderthestampingprocess,mostnotablyincludingthetechnicalandeconomicaspects.Onthetechnicalside,accordingtotheproductdrawings,mainlyanalyzesthecharacteristicsoftheshapeofparts,size,accuracyrequirementsandmaterialpropertiesandotherfactorsmeetstherequirementsofthestampingprocess；Ineconomicterms,mainlybasedontheproductionvolumeofthestampings,analyzethecostoftheproduct,andclarifytheuseofthestampingproductioncanbeachievedeconomicbenefits.Processanalysis,mainlytodiscussstampingoutdoesnotaffectthepartofthepremise,thesimplestandmosteconomicalway.Keywords:Anglepiecesets；Atampingprocess；Nesting；ProgressivedieV目錄摘要............................................................................................................................................IIABSTRACT..................................................................................................................................III目錄............................................................................................................................................V1緒論.........................................................................................................................................11.1課題研究的目的和意義.......................................................................................................11.2課題國內(nèi)外研究概況...........................................................................................................11.2.1國外模具發(fā)展概況........................................................................................................11.2.2國內(nèi)模具發(fā)展概況........................................................................................................21.3課題研究的主要內(nèi)容...........................................................................................................32沖壓工藝設(shè)計.............................................................................................................................42.1沖壓件簡介...........................................................................................................................42.2沖壓的工藝性分析...............................................................................................................52.3沖壓工藝方案的確定...........................................................................................................72.3.1沖壓模具類型................................................................................................................72.3.2沖壓工藝分析和計算....................................................................................................82.3.3工序匯總......................................................................................................................143角片套連續(xù)模設(shè)計...................................................................................................................153.1模具結(jié)構(gòu).............................................................................................................................153.2確定其搭邊值.....................................................................................................................163.3確定排樣圖.........................................................................................................................163.3.1送料步距與帶料寬度..................................................................................................163.3.2排樣方案......................................................................................................................183.4材料利用率計算.................................................................................................................183.5凸、凹模等刃口尺寸的確定.............................................................................................193.5.1側(cè)刃、側(cè)刃凹模刃口尺寸計算..................................................................................193.5.2切口凸、凹模刃口尺寸計算......................................................................................203.5.3第1次拉深凸、凹模工作部分尺寸及其公差..........................................................213.5.4第2次拉深凸、凹模工作部分尺寸及其公差..........................................................223.5.5第3次拉深凸、凹模工作部分尺寸及其公差..........................................................223.5.6拉深整形凸、凹模工作部分尺寸及其公差..............................................................233.5.7導(dǎo)正孔凸、凹模刃口尺寸及其公差..........................................................................233.5.8沖圓孔凸、凹模刃口尺寸及其公差..........................................................................243.5.9切廢料凸、凹模刃口尺寸及其公差..........................................................................253.5.10切斷凸、凹模刃口尺寸及其公差............................................................................263.5.11彎曲凸、凹模工作部分尺寸計算............................................................................273.6沖壓力計算.........................................................................................................................293.6.1側(cè)刃沖壓力..................................................................................................................29