基于ProE的轻型汽车曲轴的工艺规程编制及改进毕业设计论文.doc

汽车专业毕业论文PAGE-24-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TheGraduationDesignforBachelor'sDegreeBasedonPro/EofthelightvehiclecrankshaftProcessEstablishmentandImprovementCandidate：WangLeiSpecialty：VehicleEngineeringClass：BW05-8Supervisor：AssociateProf.ZhangDeShengHeilongjiangInstituteofTechnology2009-06·HarbinPAGEII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；AutoCAD；Pro/E。ABSTRACTEnginecrankshaftisthemostimportantandoneofthemostexpensiveparts,anditssizeaffectsthemachiningprecisionenginepower,andtoalargeextentaffecttheengineperformanceandreliability,mustbethecorrectchoiceintheprocessingoftheprocessinglineofthecrankshaftinordertoobtainasatisfactorytechnicalandeconomiceffects.Thedesignisalightvehicleorderprocesstothepreparationofthecrankshaft,withthedesignandprocessingtechnologyisthedevelopmentofthecrankshaftstructureandmaterialsandprocessingarethecontinuousdevelopmentofmeanstodeterminetheprocessingtechnologyanddesignandfixturingprograms,soastoachieveonthecrankshaftinthePrincipleofoperationoftheengineoperatingconditionsandtheunderstandingofthecrankshaftstructureandabetterunderstandingoffurtherprocessing;knownbadhaircrankshaftsizeandstandardsize.PartsusingCADsoftware,drawingmaps,andthentheuseofPro/Esoftwaretoestablishthree-dimensionalmodel,thepreparationprocessofthecrankshaft.Keywords:GasolineEngine；Crankshaft；Design；AutoCAD；Pro/E.目录摘要………………………………………………………………………………………ⅠAbstract…………………………………………………………………………………Ⅱ第1章绪论……………………………………………………………………………11.1概述…………………………………………………………………………………11.2国内外研究现状……………………………………………………………………11.3设计研究的主要内容………………………………………………………………2第2章曲轴的分析……………………………………………………………………32.1曲轴的功用…………………………………………………………………………32.2曲轴的工艺分析……………………………………………………………………42.3曲轴加工的几种工艺………………………………………………………………52.4本章小结……………………………………………………………………………5第3章工艺规程的设计…………