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中文摘要摘要随着我国科学技术的快速进步和制造业的快速发展,工业生产中自由曲面的加工应用越来越广泛。现代化生产中常采用自动编程技术对复杂曲面进行数控加工。CAXA制造工程师软件是现代化生产中较为常用的CAD/CAM软件之一。本文基于CAXA制造工程师对复杂曲面的数控加工技术进行了研究。研究的具体内容包括以下方面:一、基于CAXA制造工程师环境,研究了复杂曲面粗加工方法、精加工方法以及粗、精加工方法策略的选择问题,在CAXA制造工程师仿真模块创建数控加工的复杂曲面的仿真图形,然后进行仿真加工比较,从中选出更适合的复杂类曲面数控加工方法。二、基于CAXA制造工程师环境,创建针对复杂类曲面在FANUC21iMB型数控系统的加工中心加工时的后置处理器,并生成新的后置处理模块。三、基于CAXA制造工程师环境下的数控仿真和实际加工处理,验证了基于CAXA制造工程师环境下采用数控加工方式对复杂曲面进行加工可以获得更好的加工质量和更高的加工效率,对提高传统数控加工的质量差、效率低的问题具有指导意义。本论文基于CAXA制造工程师的复杂曲面数控加工研究结果,对类似的其它复杂型腔型腔曲面加工也具有良好的借鉴意义。关键词:复杂曲面,CAXA制造工程师.数控加工,后置处理英文摘要AbstractWiththerapidprogressofscienceandtechnologyinChinaandthedevelopmentofthemanufacturingsector,theindustrialproductioninthefree-formsurfacemachiningapplicationsaremoreandmorewidelyapplied.AutomaticprogrammingtechniquesareoftenusedinmodernproductionCNCmachiningofcomplexsurfaces.CAXAManufacturingEngineerisonesoftwarewidelyusedinmodernproductionCAD/CAMfield.ThepaperisbasedonCAXAManufacturingEngineerstudyingCNCmachiningofcomplexsurface.Thespecificcontentsofthestudyareasfollow:First,basedontheenvironmentofCAXAmanufacturingengineers,tostudycomplexsurfaceroughing,finishingmanufacturingmethods,andcoarse,finishingthechoiceofmethodsandstrategies,CNCmachiningofcomplexsurfacesimulationgraphicscreatedinCAXAthemanufacturingengineerssimulationmodule,andthenthesimulationprocessingcompareandchoosemoresuitableforcomplexclasssurfaceCNCmachiningmethods.Second,basedontheenvironmentofCAXAmanufacturingengineers,tocreatepostprocessorFanuc21iCNCmachiningcenterforcomplexclasssurfacemachining,andgenerateanewpost-processingmodule.Third,basedontheNCsimulationandactualprocessingundertheenvironmentofCAXAManufacturingEngineerenvironment,verifiedthattheCAXAManufacturingEngineerenvironmentCNCmachiningprocessingcangetbetterqualityandhigherprocessingefficiencyofthecomplexsurface-based,toimprovethetraditionalCNCmachiningofpoorquality,lowefficiencyproblemofguidingsignificance.CAXAManufacturingEngineercomplexsurfaceNCmachiningresultsofthisthesis,alsoagoodreferenceforothersimilarthecomplexcavitymoldsurfacemachining.Keywords:complexsurface,CAXA,CNCmachining,post-processing目录目录第1章绪论...........................................11.1课题研究的背景............................................11.1.1数控编程及其发展简介.................................11.1.2数控技术的发展趋势...................................21.1.3对我国数控技术及其产业发展的基本估计.................31.1.4CAD/CAM技术的发展概况...............................41.1.5CAXA制造工程师简介及其功能.........................41.2课题研究的目的、意义及内容................................61.2.1传统复杂曲面加工存在的问题...........................61.2.2课题研究的目的、意义.................................61.2.3课题研究的内容.......................................61.3本章小结.................................................7第2章加工中心自动编程及加工工艺......................82.1加工中心的定义............................................82.2加工中心的组成............................................82.3加工中心功能特点.........................................102.4自动编程的定义及操作.....................................122.4.1编程的定义..........................................122.4.2操作步骤............................................122.5系统的信息处理过程.......................................122.6加工路线的确定...........................................142.6.1数控自动加工编程中工序划分的原则与要点..............142.6.2确定加工方案........................................162.6.3确定切削用量与进给量...............................182.7零件安装方法和夹具选择...................................182.8加工中心的回零及对刀.....................................192.9本章小结.................................................20目录第3章加工中心常用工具...............................213.1加工中心常用刀具的种类及特点.............................213.1.1数控加工常用刀具的种类及特点........................213.1.2铣削加工常用刀具....................................223.1.3数控加工刀具的选择原则..............................243.1.4切削用量的确定......................................253.1.5对刀点与换刀点的确定................................263.2常用工具.................................................263.2.1游标卡尺............................................263.2.2千分尺..............................................283.2.3百分表..............................................293.3本章小结.................................................30第4章CAXA制造工程师叶轮动模造型及加工...............314.1CAXA制造工程师对叶轮动模的建模..........................314.1.1建立叶轮主曲面......................................314.1.2建立叶轮副曲面......................................354.1.3建立叶轮主体........................................364.1.4修剪叶轮主体........................................374.1.5建立中轴...........................................384.1.6棱边过渡............................................394.1.7生成动模板..........................................394.1.8文件合并............................................404.1.9大过孔造型及背面工艺倒角............................404.2工艺分析.................................................414.2.1确定毛坯............................................414.2.2工艺分析............................................414.2.3刀具表..............................................414.2.4工序卡..............................................424.3CAXA制造工程师的模拟加工................................434.3.1加工前的准备工作.....