本科學(xué)生畢業(yè)設(shè)計(jì)基于Pro/E的輕型汽車曲軸的工藝規(guī)程編制及改進(jìn)TheGraduationDesignforBachelorsDegreeBasedonPro/EofthelightvehiclecrankshaftProcessEstablishmentandImprovementCandidate：WangLeiSpecialty：VehicleEngineeringClass：BW05-8Supervisor：AssociateProf.ZhangDeShengHeilongjiangInstituteofTechnology2009-06HarbinI摘要曲軸是發(fā)動(dòng)機(jī)中最重要、最昂貴的零件之一，它的尺寸加工精度影響著發(fā)動(dòng)機(jī)動(dòng)力，并且在很大程度上影響著發(fā)動(dòng)機(jī)的性能和可靠性，必須在加工上正確選擇曲軸的加工工藝路線，以求獲得滿意的技術(shù)經(jīng)濟(jì)效果。本設(shè)計(jì)是對(duì)輕型汽車曲軸進(jìn)行工藝規(guī)程編制，隨著現(xiàn)在設(shè)計(jì)加工制造技術(shù)的發(fā)展，曲軸結(jié)構(gòu)及材料及加工手段等也在不斷發(fā)展，確定加工工藝與裝夾方案及設(shè)計(jì)，從而達(dá)到對(duì)曲軸在發(fā)動(dòng)機(jī)運(yùn)轉(zhuǎn)的原理與工況的了解，并對(duì)曲軸構(gòu)造與加工工藝進(jìn)一步更深了解；已知曲軸毛壞尺寸和標(biāo)準(zhǔn)尺寸。利用CAD軟件繪制零件圖，然后運(yùn)用Pro/E軟件建立三維模型，編制曲軸的加工工藝。關(guān)鍵詞：汽油機(jī)；曲軸；加工工藝；AutoCAD；Pro/E。IIABSTRACTEnginecrankshaftisthemostimportantandoneofthemostexpensiveparts,anditssizeaffectsthemachiningprecisionenginepower,andtoalargeextentaffecttheengineperformanceandreliability,mustbethecorrectchoiceintheprocessingoftheprocessinglineofthecrankshaftinordertoobtainasatisfactorytechnicalandeconomiceffects.Thedesignisalightvehicleorderprocesstothepreparationofthecrankshaft,withthedesignandprocessingtechnologyisthedevelopmentofthecrankshaftstructureandmaterialsandprocessingarethecontinuousdevelopmentofmeanstodeterminetheprocessingtechnologyanddesignandfixturingprograms,soastoachieveonthecrankshaftinthePrincipleofoperationoftheengineoperatingconditionsandtheunderstandingofthecrankshaftstructureandabetterunderstandingoffurtherprocessing；knownbadhaircrankshaftsizeandstandardsize.PartsusingCADsoftware,drawingmaps,andthentheuseofPro/Esoftwaretoestablishthree-dimensionalmodel,thepreparationpr