平面凸轮数控编程与加工毕业论文.doc
1本科毕业论文(设计)论文题目:平面凸轮数控编程与加工学生姓名:所在院系:机电学院所学专业:机械制造及其自动化导师姓名:完成时间:摘要2本课题主要研究了平面凸轮数控加工工艺和加工方法,通过选择不同的工艺方案,确定合理的加工刀具和装夹方式及切削用量,重点解决了刀具在加工凸轮时加工顺序的问题。在分析和研究过程中,使用CAXA数控铣软件进行了建模、造型和仿真,生成了加工代码,在数控铣床进行了加工,并进行了对比分析和总结,最后确定了比较合理的加工方案,为实际数控生产加工提供了可靠的依据。关键词:数控加工,平面凸轮,工艺方案,装夹方式,切削用量PlaneCamCNCMachiningTechnologyProgramToDetermine3AbstractThistopichasmainlystudiedthePlaneCamnumericalntrolprocessingcraftandtheprocessingmethod,throughthechoicedifferentcraftplan,determinedthereasonableprocessingcuttingtoolandtheattireclampthewayandthecuttingspecifications,solvedthecuttingtoolwhenprocessedthescoopchannelwiththeworkpiecesurfacetohavetheinterferencequestionwithemphasis.Intheanalysisandtheresearchprocess,usedCAXAnumericalcontrolvehiclesoftwaretocarryonthemodelling,themodellingandthesimulation,hasproducedtheprocessingcode,hascarriedontheprocessinginthenumericalcontrollathe,andcarriedonthecontrasttoanalyzeandtosummarize,finallyhaddeterminedthequitereasonableprocessingplan,hasprovidedthereliablebasisfortheactualnumericalcontrolproductionprocessing.Keywords:NumericalControlProcessing,PlaneCam,Craftdetermination,Theattireclampstheway,Thecuttingspecifications1目录1引言··················································································12数控铣床加工工艺的分析··························································22.1零件图分析.22.2装夹方案分析.32.3加工顺序及走刀路线的确定.32.4刀具选择.33加工工序的确定····································································43.1机床的选择.43.2量具的选择.43.3切削用量选择.43.3.1背吃刀量的选定.53.3.2进给量f的选定.53.3.3切削速度cv的选择.53.4填写加工工艺卡片.64编写加工程序·······································································7编写加工程序的基本步骤.135程序校验··········································································146工件安装与对刀··································································146.1工件安装.146.2对刀.157自动加工并测量修调·····························································168结束语·············································································16致谢··················································································16参考文献·············································································17