气门摇杆轴支座工艺规程与镗夹具设计VIP专享VIP免费

毕业设计（论文）题目摇杆轴支座工艺规程与镗夹具设计姓名李龙学号30503133专业班级机自0501所在学院工程分院指导教师（职称）刘桦（教授）二○○九年五月二十二日摇杆轴支座工艺规程与镗夹具设计【摘要】本次毕业设计课题是摇杆轴支座加工工艺规程与专用镗孔夹具设计，设计中综合应用了工程图学，机械设计，机械制造工程学，机械几何精度设计等相关课程知识。本毕业设计在摇杆轴支座工艺规程设计过程中，详细的分析了摇杆轴支座的加工工艺，通过工艺方案的比较与分析选择得到了符合技术要求的工序，形成了机械加工工艺过程卡和机械加工工序卡。本设计进行了镗孔专用夹具的设计，阐述了定位方案的选择、夹紧方案的确定、夹具体与镗模设计，运用AutoCAD完成了此专用夹具的装配图和夹具体的零件图。此外，还进行了摇杆轴支座零件的和镗夹具主要零件三维造型设计。【关键词】零件加工，工艺规程，镗孔，专用夹具，CADDesignofProcessandBoringFixtureofRockerShaftPedestal【Abstract】Thegraduationdesigntaskisdesignofprocessandboringfixtureofrockershaftpedestal.Thisdesigniscomprehensivelyappliedtheknowledgeofcorrelatedcurriculumsuchasengineeringgraphic,mechanicaldesign,mechanicalmanufacturing,engineeringandmechanicalgeometryprecisiondesign.Thisgraduationdesigndetailedanalysisprocessofrockershaftpedestal.Processwhatisinkeepingwithtechnicalrequirementsisselectionthroughcomparingandanalyzingprocessscheme,toobtainthemachineryprocesscardandmechanicalprocessescard.Thisdesigndesignedboringfixtureofrockershaftpedestal,expoundsaboutthepositioningschemeselection,determinetheclampingschemes.Boringmoulddesignandfixturepedestaldesign.UseAutoCADcompletedtheassemblyofthisspecialfixtureandpartdrawingoffixturebase.Inaddition,the3-Dmodelingdesignsofthepartoftherockershaftpedestal.【KeyWords】Partsprocessing，Processflow，Internalboring，Dedicatedfixture，CAD,目录第1章绪论............................................................................................................................11.1制工艺与夹具设计的发展概况................................................................................11.2机制工艺与夹具设计相关技术的国内外现状........................................................11.3选题意义和关键问题................................................................................................21.3.1选题的背景.....................................................................................................21.3.2选题意义.........................................................................................................21.3.2关键问题.........................................................................................................3第2章机械加工工艺与夹具设计概述................................................................................42.1机械加工工艺过程中的基本概念............................................................................42.2机械加工工艺规程设计的基本准则........................................................................42.3机床夹具概述............................................................................................................62.4工件在夹具中的定位.............................................................................................72.5工件在夹具中的夹紧................................................................................................7第3章摇杆轴支座机械加工工艺规程设计........................................................................93.1零件的图纸与工艺分析.......