轮盘冲压模具设计与模具失效分析毕业论文

南京工程学院毕业设计说明书(论文)作者：吴亮学号：240085135学院（系、部）：康尼学院专业：材料成型及控制工程（模具设计）题目：轮盘冲压成型模具设计与模具失效分析指导者：评阅者：2012年6月南京第I页毕业设计说明书（论文）中文摘要轮盘冲压成型模具设计与模具失效分析本文主要介绍了冲压模具设计过程，冲压模具在实际工业生产中应用广泛。随着当今科技的发展，模具已经越来越多地被应用到工业生产中来。冲压模具可以大大的提高劳动生产效率，减轻工人负担，具有重要的技术进步意义和经济价值。冲压工艺是一种生产效率很高的、少切屑或无切屑的先进加工方法，在经济和技术方面都有很多的优点。冲压工艺按其变形性质可以分为材料的分离和成形两大类，每一类中包括许多不同的工序.本次设计的零件为轮盘冲压，所用材料是Q235。本论文分析了该工件的成形工艺，计算了该工件的毛坯形状尺寸及各工序尺寸，并在此基础上确定了合理的冲压工序，分为三道工序分别为工序一落料拉深，工序二冲中间孔和腰型孔，工序三内外缘翻边。此方案的特点是模具结构简单，制造成本低，操作方便，并且尺寸和精度达到工艺要求，具有良好的性价比。本设计工序采用曲柄压力机进行冲压，具有生产效率高、维修简单、工作环境整洁等特点。本文模具进行模具结构的分析，主要零件的设计和模具的经济分析，并且详细介绍了设计方法和步骤。关键词：冲压工艺；模具设计；曲柄压力机；复合模II毕业设计说明书（论文）英文摘要TitleRouletestampingmolddesignandmoldfailureanalysisAbstract:Punchingdieswasusedwidelyinindustrialproductionapplications.Withtoday'stechnologydevelopment,moldhasbeenanincreasinguseofindustrialproduction.Punchingdiecangreatlyimprovelaborproductivityandreducetheburdenoftheworkers,furthermoreithasimportanttechnologicalprogressandeconomicvalue.Punchingprocessisahighproductionefficiency,noorlessprocessmethods,intheeconomicandtechnicalaspectswhichhasmanyadvantages.TheessentialprocedureofPunchingareseparatingandshaping,eachcategoryincludesanumberofdifferentprocesses.Thisdesigncomponentsiswheelplate,thematerialofwheelplateisQ235.Inthepaper,themoldingtechnologyofthestainlesssteeldrawingpartwasanalyzed,thedimensionsandshapeoftheblankwerecalculated,thedrawingtimesanddimensionsofthepartweredeterminedandmadesureonthisfoundationreasonableofhurtleandpresstheworkprefaceisdividedintothreeworkingproceduredifferenceasthefirstworkingprocedureisblankandelongating,thesecondworkingprocedureistheworkprefacefourslicethesideandpressingtheraisedpackage,thethirdworkingprocedureispiercing.Thecharacteristicsofthisprojectisthemoldingtoolstructuresimple,themanufacturingcostislow,operationconvenience,andthesizeandaccuraciesattainthecraftrequest,havingthelowpriceandwellqualitytocompare.Thedesignprocedureadoptsthecrankpressuremachinetopresstheparts.Becauseithasmanymerits,suchasproducingefficiencyhigh,maintainingsimpleandworksurroundingneatness.Inthispaper,analyzesthecombinationdiecraftsrespectivelyandgivesadetailedintroductiontothecalculationmethodandsteps.Keywords:Punching；moldstructure；crank；combinationdieIII目录前言...........................................................1第一章冲压生产工艺概况...........................................21.1冲压工艺介绍21.2冲压的基本工序..............................................31．3冲压工艺设计的基本内容与步骤41.4冲压的概念、特点及应用.......................................61.5冲压技术的现状及发展方向....................................7第二章零件的工艺性分析..........................................122.1零件的工艺性分析...........................................122.2工艺方案确定142.3冲裁件的精度与粗糙度.......................................152.4零件工艺计算.............................................152.4.1毛坯尺寸计算...........................................152.4.2冲裁力计算.............................................162.4.3搭边和条料宽度的计算....................................17第三章模具整体的设计与工艺计算.................................183.1搭边.........................................................3.1.1毛坯尺寸计算.............................................3.1.2搭边计算.................................................3.1.3材料的经济利用...........................................3.2排样.........................................................3.3半成品尺寸计算...............................................3.3.1计算毛坯翻边预制孔直径D.................................第四章模具总体设计.....................................................................................................4.1落料拉深复合模模具设计...............................................................................4.1.1模具结构....................................................................................................4.1.2刃口尺寸计算............................................................................................4.1.3工序力计算................................................................................................4.1.4辅助零件设计............................................................................................4.1.5设备选择....................................................................................................4.2冲中间孔和腰形孔复合模模具设计................................................................4.2.1模具结构....................................................................................................4.2.2刃口尺寸计算............................................................................................IV4.2.3工序力计算................................................................................................4.2.4设备选择....................................................................................................4.3内外缘翻边复合模模具设计...........................................................................4.3.1模具结构....................................................................................................4.3.2刃口尺寸计算............................................................................................4.3.3工序力计算......................................................................