PAGE\*MERGEFORMATIVPAGE\*MERGEFORMATI本科毕业设计论文题目：配合件数控加工工艺分析与仿真摘要数控编程是一种可编程的柔性加工方法，它的普及大大提高了加工效率。但是在加工技术方面，除要求数控机床具有较强的运动控制能力之外，更重要的是如何有效地获得高效优质的数控加工程序，并从加工过程整体上提高生产效率。由于零件复杂性的增加，而且工人技术水平有限，手工编程越来越困难。应用数控编程可大大提高生产率、稳定加工质量、缩短加工周期、增加生产柔性、实现对各种复杂精密零件的自动化加工,易于在工厂或车间实行计算机管理,使车间设备总数减少、节省人力、改善劳动条件,有利于加快产品的开发和更新换代,提高企业对市场的适应能力并提高企业综合经济效益。本文以UGNX7.5为工具,完成了配合件三维造型及仿真加工。内容包括:首先,根据配合件的结构特点和技术要求,在对其进行加工工艺分析之后,确定了零件的加工方法。然后,利用UG/CAD模块完成了零件几何体的参数化建模。在此基础上,利用UG/CAM模块进行数控编程,设计了加工路线、刀具轨迹,切削方式等工艺参数,生成了零件的NC程序。关键词：，三维建模，加工仿真，UG软件ABSTRACTCNCmachiningisaprogrammableflexibleprocessingmethods,itspopularitygreatlyimprovetheprocessingefficiency.Butintheprocessingtechnology,inadditiontorequirementsofCNCmachinetoolshasastrongabilitytocontrolmovementand,moreimportantly,howtoefficientlyobtainhigh-qualityCNCmachiningprocess,andfromtheprocessasawholetoimproveproductionefficiency.Aspartoftheincreasedcomplexityandlimitedskillsofworkers,manualprogrammingmoredifficult.CNCmachiningapplicationscangreatlyimproveproductivity,stability,processingquality,shortentheprocessingcycle,increasingtheproductionofflexible,toachieveavarietyofcomplexprecisioncomponentsfortheautomationofprocessing,easytoimplementinafactoryorworkshopcomputermanagement,reducingthetotalnumberofworkshopequipment,savingmanpower,improvelaborconditions,helpspeedupproductdevelopmentandupgrading,andimprovingtheabilityofthemarkettoadaptandimprovetheiroveralleconomicefficiency.Inthispaper,UGNX7.5asatool,completetheadjustframethree-dimensionalmodeling.Include:First,basedontheadjustedframestructuralfeaturesandtechnicalrequirements,initsprocessanalysis,todeterminethepartoftheprocessingmethods.Then,usingUG/CADmoduletocompletethepartgeometryparametricmodeling.Onthisbasis,theuseofUG/CAMmoduleforNCprogramming,designthemachiningline,thetoolpath,cuttingmodeandotherparameters,togenerateapartoftheNCprogram.KEYWORDS:CNCtechnology,UG,three-dimensionalmodeling目录TOC\o"1-3"\h\z\uHYPERLINK\l_Toc13371第一章绪论