汽车轮毂的结构与模具设计

本科学生毕业设计汽车轮毂的结构与模具设计院系名称：汽车与交通工程学院专业班级：车辆工程07-9班学生姓名：顾立鹏指导教师：王国田职称：实验师黑龙江工程学院二○一一年六月TheGraduationDesignforBachelor'sDegreeTheStructureofAutomobilehubWithMolddesignCandidate：GuLipengSpecialty：VehicleEngineeringClass：07-9Supervisor：Experimentaldivision.WangGuotianHeilongjiangInstituteofTechnology2011-06·Harbin黑龙江工程学院本科生毕业设计I摘要本文以汽车轮毂为研究对象，基于产品研究开发的一般流程，制定了产品结构设计、工艺方案设计、模具设计的技术路线。借助CAD等工具，对汽车轮毂结构设计与性能分析、并对模具造型、铸造工艺等进行了设计。首先介绍了我国轮毂模具的现状、发展趋势及我国模具发展的新技术，其次围绕轿车轮毂模具进行设计，针对轮毂的结构特点，确定模具的型腔数目、分型面以及脱模机构。汽车轮毂的成型工艺方法较多，以挤压铸造生产轮毂的工艺方法现今多处于研究阶段。本文根据挤压铸造的工艺特点，对汽车轮毂挤压铸造模具设计进行了分析总结，并对模具型腔进行了结构设计，查阅模具设计手册，完成模具的总体设计。同时充分利用计算机绘图软件对零件进行设计,利用Pro/E对零件进行三维造型,并实现零件的三维装配和模具设计。通过本次设计，对模具整个设计过程有了较好的了解。关键词：模具；镁合金；汽车轮毂；挤压铸造；模具设计；低压铸造黑龙江工程学院本科生毕业设计IIABSTRACTThispapermainlyresearchonautomobilewheel．Basedonthegeneralprocessofproductdevelopment，thetechnicalrouteismadeincludingproductstructure，processschemeandmould．UsingthesoftwareofCAD，suchasthestructuredesignofautomobilehubwithperformanceanalysis,mouldmodelling,castingprocessdesign,etc.Chinaintroducedthealuminummoldwheelstatusquofirsttime,developmenttrendsandChina'sdevelopmentofnewtechnologiesdie,followedaroundthefamilycaraluminumwheeldesigntoolforthestructuralcharacteristicsofwheel,themoldcavitytodeterminethenumberofsurfaceaswellasfrommodeinstitutions.Themethodaboutmoldingprocessofmagnesiumalloywheelismultiple．Thewayofmanufacturingautomobilewheelwimsqueezecastingisnotripeonitsresearchstage．Thispapersummarizedmainpointsofthesqueezecastingmould，Checkthemanualmolddesign,moldchoicetodeterminethestructureofmoldsize,molddesigncompleted.AtthesametimemakefulluseofcomputergraphicssoftwaretodesignpartsusingPro/Esionalmodelingofpartsandcomponentstoachievethethree-dimensionalassemblyandmolddesign,Throughthisdesign,theentiredesignprocessofthemoldwithabetterunderstanding.Keywords:Mold；MagnesiumAlloy；AutomobileWheel；SqueezeCasting；MoldDesigning；LowPessureCsting黑龙江工程学院本科生毕业设计目录摘要............................................................................................................................................................IAbstract.......................................................................................................................................................II第1章绪论..........................................................................................................................................11.1引言............................................................................................................................................11.2轮毂国内外研究现状............................................................................................................11.2.1国内研究现状.............................................................................................................11.2.2国外研究现状.............................................................................................................21.3研究的目的和意义.................................................................................................................31.4设计的主要内容.....................................................................................................................5第2章轮毂零件的结构设计....................................................................................................72.1轮毂模具设计的基本术语...................................................................................................92.2汽车轮毂模具方案的设计标准..........................................................................................92.3轮毂零件的3D设计............................................................................................................102.3.1主要外形尺寸的确定..............................................................................................102.3.2设计原则.....................................................................................................................102.3.3汽车轮毂轮廓三维实体生成................................................................................102.3.4汽车轮毂风孔的生成..............................................................................................112.4本章小结.................................................................................................................................13第3章轮毂成形工艺介绍.......................................................................................................143.1轮毂成形的工艺特点..........................................................................................................143.2现行的轮毂主要成形方法及其优缺点.............................................错误!未定义书签。3.2.1金属型重力铸造..........................................................................错误!未定义书签。3.2.2低压铸造........................................................................................错误!未定义书签。3.2.3压铸.................................................................................................错误!未定义书签。3.2.4挤压铸造........................................................................................错误!未定义书签。3.3其他成形方法...................................................................................