南京工程学院毕业设计说明书(论文)作者:学号:学院(系、部):材料工程学院专业:材料成型及控制工程(模具设计)题目:电脑连接器冲压模具设计指导者:评阅者:2010年4月南京毕业设计说明书(论文)中文摘要本文分析了电脑连接片冲压及弯曲的工艺特点,其中包括工件展开图的尺寸计算、工件的工艺分析、冲裁力与弯曲力的计算、模具设计的难点,确定了级进模的排样方案和模具总体结构。该级进模有冲裁,弯曲等20个工位,采用高速冲床进行冲压,自动送料机构作粗定位,侧刃和导正销作精定位。详细介绍了凸模、凹模、卸料装置、导料系统、滑块等零部件的设计和制造。同时阐述了模具的工作过程、各成形动作的协调性、以及凸模和凹模镶块的装配间隙;并制定典型零件的加工工艺。关键词级进模工艺分析模具设计冲压工艺毕业设计说明书(论文)外文摘要Title:DesignofthestampingmouldfortheconnecterofthecomputerAbstract:Thispaperanalyzedthetechnologicalcharacteristicsoftheconnecterofthecomputer,includingthesizecalculationofthepartblankdevelopment,technicalanalyzes,thecalculationofthepunchingforceandbendingforce,thedifficultyofdiedesign,thenthelayoutprojectandthediegeneralstructureweredecisided.Theprogressivediecouldcompletetwentyprocessesthatincludepunching,bending,andsoon.Thehigh-speedpunchingmachineinadoptionproceedstopress,theautomaticfeedingsystemfixedpositionimprecisely,theedgeknifeandtheleadingpinfixedpositionaccurately.Itdetaillyintroducedthedesignandmanufactureofthepunch,thedie,thestrippingdevice,theguidingsystem,andslipperypiece.Anditexpatiatedtheworkprocessofthedie,thecoordinationofeachfiguration’smotion,andtheassemblecleftofthepunchanddie.Alsoitestablishedthemanufactureprocessofthetypicalparts.Keyword:progressivedietechnicalanalysisdiedesignstampingprocess南京工程学院毕业设计说明书(论文)目录前言.....................................................................................................................................1绪论.....................................................................................................................................3第一章工艺分析................................................................................................................51.1零件介绍..............................................................................................................51.2工艺分析及工艺方案的确定...............................................................................6第二章工艺计算................................................................................................................82.1弯曲部分长度的计算...........................................................................................82.2工艺力的计算......................................................................................................92.3压力中心的确定.................................................................................................112.4压力机的选择.....................................................................................................12第三章排样图设计...........................................................................................................133.1零件毛坯排样.....................................................................................................133.2工位排样............................................................................................................143.3排样相关参数的确定.............................................................