基于ProE的轻型汽车曲轴工艺规程编制及改进设计说明书.doc

本科学生毕业设计基于Pro/E的轻型汽车曲轴的工艺规程编制及改进TheGraduationDesignforBachelorsDegreeBasedonPro/EofthelightvehiclecrankshaftProcessEstablishmentandImprovementCandidateWangLeiSpecialtyVehicleEngineeringClassBW058SupervisorAssociateProf.ZhangDeShengHeilongjiangInstituteofTechnology200906HarbinI摘要曲轴是发动机中最重要、最昂贵的零件之一，它的尺寸加工精度影响着发动机动力，并且在很大程度上影响着发动机的性能和可靠性，必须在加工上正确选择曲轴的加工工艺路线，以求获得满意的技术经济效果。本设计是对轻型汽车曲轴进行工艺规程编制，随着现在设计加工制造技术的发展，曲轴结构及材料及加工手段等也在不断发展，确定加工工艺与装夹方案及设计，从而达到对曲轴在发动机运转的原理与工况的了解，并对曲轴构造与加工工艺进一步更深了解已知曲轴毛坏尺寸和标准尺寸。利用CAD软件绘制零件图，然后运用Pro/E软件建立三维模型，编制曲轴的加工工艺。关键词汽油机曲轴加工工艺AutoCADPro/E。IIABSTRACTEnginecrankshaftisthemostimportantandoneofthemostexpensiveparts,anditssizeaffectsthemachiningprecisionenginepower,andtoalargeextentaffecttheengineperformanceandreliability,mustbethecorrectchoiceintheprocessingoftheprocessinglineofthecrankshaftinordertoobtainasatisfactorytechnicalandeconomiceffects.Thedesignisalightvehicleorderprocesstothepreparationofthecrankshaft,withthedesignandprocessingtechnologyisthedevelopmentofthecrankshaftstructureandmaterialsandprocessingarethecontinuousdevelopmentofmeanstodeterminetheprocessingtechnologyanddesignandfixturingprograms,soastoachieveonthecrankshaftinthePrincipleofoperationoftheengineoperatingconditionsandtheunderstandingofthecrankshaftstructureandabetterunderstandingoffurtherprocessingknownbadhaircrankshaftsizeandstandardsize.PartsusingCADsoftware,drawingmaps,andthentheuseofPro/Esoftwaretoestablishthreedimensionalmodel,thepreparationprocessofthecrankshaft.KeywordsGasolineEngineCrankshaftDesignAutoCADPro/E.