Cimatron软件及在模具中的应用及数控加工设计论文.doc
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目录摘要...........................................................................................................................................IABSTRACT..............................................................................................................................II前言............................................................................................................................................11.绪论.......................................................................................................................................21.1铸造模具设计与制造现状与发展...............................................................................21.1.1铸造模具的应用....................................................................................................................21.1.2铸造模具的设计与制造技术............................................................................................21.1.3铸造模具用材料...............................................................................................................31.1.4国内外铸造模具企业比较................................................................................................31.1.5中国铸造模具的发展前景...............................................................................................41.2CAD/CAM铸造模具设计与制造中的应用...............................................................41.3Cimatron软件及在模具中的应用................................................................................5产品设计........................................................................................................51.3.2Cimatron模具设计................................................................................................................61.3.3Cimatron数控加工............................................................................................................61.4本章小结.......................................................................................................................72.基于Cimatron的模具设计...................................................................................................82.1建立三维实体模型......................................................................................................82.2.产品的二维CAD......................................................................................................122.2.1建立绘图文件.....................................................................................................................122.2.2设置图纸类型.....................................................................................................................122.2.3建立视图.............................................................................................................................132.2.4保存视图.............................................................................................................................132.2.5本章小结.............................................................................................................................142.3型芯和型腔.................................................................................................................162.3.1快速断开..............................................................................................................................162.3.2创建分模线与分模面..........................................................................................................172.3.3创建新毛坯..........................................................................................................................18潍坊学院本科毕业论文II2.3.4输出模具部件.....................................................................................................................192.3.5生成型腔和型芯.................................................................................................................192.4模具冷却系统设计....................................................................................................202.5模具流道设计............................................................................................................212.6本章小结.....................................................................................................................213.基于Cimatron的模具数控编程....................................................................................233.1CAM数控自动编程工作流程...........................................................................233.2数控自动编程............................................................................................................233.2.1新建文件.............................................................................................................................233.2.2调入模型.............................................................................................................................243.2.3设置工艺基本环境..............................................................................................................243.2.4创建加工程序......................................................................................................................253.3数控加工仿真与校验.................................................................................................303.3.1数控仿真原理与技术..........................................................................................................303.3.2加工仿真模拟.....................................................................................................................313.4后置处理.....................................................................................................................323.4.1后置处理简介......................................................................................................................323.4.2Cimatron后置处理程序......................................................................................................333.5本章小结.....................................................................................................................344零件加工..............................................................................................................................354.1装加工件.....................................................................................................................354.2对刀.............................................................................................................................354.3程序传输.....................................................................................................................364.4程序校验.....................................................................................................................374.5零件加工.....................................................................................................................374.6本章小结....................................................................................................................375研究总结与展望..................................................................................................................37主要参考文献..........................................................................................................................39致谢..........................................................................................................................................41潍坊学院本科毕业论文I摘要近几年,随着机械工业的发展,铸造模具技术在国内外得到了快速发展,铸造模具产品已在汽车、摩托车制造和家电工业等领域得到越来越广泛的应用。同时,人们对铸造模具设计的快速性与合理性以及产品铸型质量的要求越来越高。20世纪90年代,计算机三维造型软件的发展,使得各种复杂的三维曲面的加工程序由计算机自动生成,人们得以从繁重模具设计和数控编程工作中解放出来,把主要精力放到零件在计算机上进行数字建模。如UG、Cimatron、Pro/E、Mastercam等软件已在国内有了普遍的应用。本文应用Cimatron软件对钢管接头模具进行了设计和制造。以钢管接头为实践目标,基于软件创建产品三维实体模型,建立工艺模型,生成型芯和型腔,并根据模座设计模块的功能,制订出了相应的制作流程,完成了基于Cimatron软件钢管接头的计算机辅助设计。利用Cimatron强大的自动编程功能编写程序,对数控加工程序进行优化设计和对加工过程进行了仿真及加工校验,最后进行了后处理,输出了NC程序代码。论述了模具零件在Cimatron软工艺中铣削加工方式、走刀路线、刀路轨迹的尖角处理和加工参数的优化问题。最后,对模具数控加工进行仿真模拟,并通过后置处理输出了NC程序代码。完成了基于Cimatron软件钢管接头的计算机辅助制造。关键字:Cimatron软件,铸造模具,CAD/CAM潍坊学院本科毕业论文IIABSTRACTInrecentyears,withthedevelopmentofmanufacturingindustry,castingmouldtechnologydevelopsfastintheword.Castingproductsarewidelyusedinthemanufactureofautomobileandmotorcycleaswellashouseholdelectricapplianceindustry.Meanwhile,peoplehaveahigherrequestontherapidityandtherationalityofcastingmoulddesignandthequalityofmouldproducts.Inthe20thcentury,Thedevelopmentofcomputerthree-dimensionalsoftwarecanmake-dimensionalsurfacebecreatedautomatically.Sopeoplecanbereleasedfromheavyprogrammer,andconcentratemoreandmoreenergyoncomputermodeling.SomesoftwaressuchasUG,PRO/E,CIMATRON,appliedinourcountry.InthispaperPipejointsreducerisusedastheobject.BasedonCimatronsoftware,hepart’3Dsolidiscreated,themathematicalmodelisbuilt,coreandcavity.Accordingtotheblock’sfunction,theflowoftheproductionisestablished.AndbasedonCimatron,theCADofthereducer’spatternisaccomplished.ThenthemethodofoptimizingNCmachingprocessforautomobilefoure-cylinder-intake-pipeisdepicted,andsomeopmizationstrategiessuchasthecuttingmanner,cuttingtool,tool-pathandmachingparameterareintroduced。Finally,,makepostprocessing,andoutputtheNCcode.theCAMofthereducer’spatternisaccomplished.Keyword:Cimatron.castingmould.CAD/CAM.
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