本科学生毕业设计468曲轴工艺规程及钻模夹具的设计系部名称：汽车工程系专业班级：车辆工程B05-18班学生姓名：张敏键指导教师：张德生职称：副教授黑龙江工程学院二○○九年六月TheGraduationDesignforBachelor'sDegreeTheDesignofBoredFixtureAndProcessforthe468CrankshaftsCandidate：ZhangMinjianSpecialty：VehicleEngineeringClass：B05-18Supervisor：AssociateProfessor.ZhangDeshengHeilongjiangInstituteofTechnology2009-06·Harbin黑龙江工程学院本科生毕业设计PAGEII黑龙江工程学院本科生毕业设计PAGEI摘要本文介绍了曲轴加工过程中定位、装夹、加紧、钻模以及曲轴加工方面、夹具设计上的相关知识。综述了国内外目前微型车曲轴的制造技术及发展趋势。通过对曲轴的使用性能、工作条件、结构、技术要求的了解，对曲轴的加工工艺规程进行研究改进,提出了在加工过程中常出现的问题及改进的办法，使曲轴的精度和表面质量得到很大提高，降低了废品率，提高了劳动生产率。并绘制夹具的二维与三维图形。与在对国内外夹具的设计现状进行分析的基础上，针对中小企业广泛使用夹具常出现的情况，我们有必要对夹具进行设计，具有现代机床夹具设计的相关知识，这样可有效地提高夹具设计的速度和质量，从而提高企业效益。此外，本文顺应现代机械设计发展趋势，利用Pro/E绘出曲轴及重要工序夹具的三维图。关键词：曲轴；夹具；设计；三维图；Pro/EABSTRACTThispaperintroducesthecrankshaftmachiningprocessoflocation、clamping、intensify、jigandtherelevantknowledgeoncrankshaftprocessingandthedesignoffixture.Reviewedthecurrentmicro-carcrankshaftmanufacturingtechnologyanddevelopmenttrends.Throughtheuseofperformance,workingconditions,structureandunderstandingofthetechnicalrequirementsofthecrankshaftprocessingimprovementsintheprocessingofthoseproblemsandimprovingthemethod,sothatthecrankshaftprecisionandsurfacequalitycanbeimprovedgreatly,reducedtherejectrate,improvedlaborproductivity.Furthermore,Iamconversingthesizeofthechain.Inconsideringthereasonablenessofthecrankshaftdesign,stressanalysisforthecrankshaftandtherelatedcalculationandverification.Inthedomesticandinternationalfixturedesignfortheanalysisofthestatusquo,basedonextensiveuseoftheregularfixture.Weneedtodesignfixture,fixturewithmoderndesignknowledge,Thiswilleffectivelyincreasethespeedfixturedesignandquality,therebyimprovingenterpriseefficiency.Inaddition,thepaperconformtothemodernmechanicaldesigndevelopmenttrends,usingthePro/Etodrawthe3Dmapofcrankshaftandtheimportantprocessesonthefixture.Keywords：Crank；Fixture；Design；3DMap；Pro/E目录TOC\o"1-3"\h\z\uHYPE