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大连民族学院本科毕业设计（论文）基于Pro/E的五轴数控铣削加工编程与Vericut仿真验证学院（系）：机电信息工程学院专业：机械设计制造及其自动化学生姓名：李东泽学号：2007022209指导教师：刘德全评阅教师：完成日期：2011年6月6日大连民族学院基于pro/e五轴数控铣削加工编程与Vericut仿真验证-I-摘要五轴联动数控加工技术以其特有的优越性在复杂、高精度零件加工方面起着越来越重要的作用。五轴加工优越性的充分发挥离不开高质量的五轴加工编程和有针对性的后置处理程序。由于刀具与工件相对运动的复杂性，五轴加工编程的复杂程度远远超过三轴加工的编程。同时，五轴加工后置处理，由于开发难度大和技术保密等原因，也成为五轴加工设备充分发挥效率的制约因素。针对上述两个方面的问题，本文作了相应的研究。首先，五轴联动加工中心进行了数控铣削后置处理开发，通过基于Pro/e软件的辅助模块进行了后置处理程序的开发。本文的研究对于如何提高五轴加工编程质量和解决后置处理问题，具有一定的实际意义。关键词：五轴加工编程；后置处理；坐标变换；仿真加工基于pro/e五轴数控铣削加工编程与vericut仿真验证-II-AbstractFive.axisNCmachiningtechnologywithitsspecialadvantagesbecomesmoreandmoreimportantinthemachiningofcomplexandhighprecisionParts.Withoutthereasonableprogrammingoffive.axisNCmachiningandthepertinentspecialpostprocessing，theadvantagescannotbeexertedcompletely.owingtothecomplexityofthemotionbetweenthetoolandtheworkpiece,itismoredifficulttogettheprogrammingofthefive.axisNCmachiningthanthethree.axis.Andthefive.axispostprocessingisthemainconstraintinimprovingtheeffectivityofthemachiningtooljustbecauseofthedifficultredevelopment，techniquesecrecyandsoon.Basedonresolvingthetwoproblemsabove，somerelativeresearchisdoneinthispaper.Thereisonemethodstorealizethepostprocessing:Itistheredevelopmentofthegeneralpost.processingmodulebasedonthepro/e.Theresearchofthepaperhavesomeimportantsignificanceatresolvingtheproblemofpost.processingandimprovingtheeffectivityofNCmachiningprogrammingKeywords:five.axisNCmachiningprogramming;postProcessing;coordinatetransformation;simulationformachining基于pro/e五轴数控铣削加工编程与vericut仿真验证-I-目录摘要....................................................................................................................................IAbstract.....................................................................................................................................II1.绪论......................................................................................................................................11.1数控编程技术的发展历程........................................................................................11.2数控编程技术的关键技术........................................................................................21.3后置处理技术概述....................................................................................................21.3.1后置处理的主要任务....................................................................................31.3.2后置处理技术发展..........................................................................................31.33国内后置处理技术研究现状...........................................................................41.4课题的研究内容及意义............................................................................................42.五轴加工编程及后置处理算法..........................................................................................52.1五轴数控加工工艺有关内容...................................................................................52.1.1刀具选择.......................................................................................................52.1.2切削用量的选择..........................................................................................62.1.3五轴加工编程刀具轨迹生成....................................................................82.1.4刀位干涉处理.............................................................................................112.2本章小结..................................................................................................................143五轴数控加工仿真几何模型的建立.................................................................................153.1三维实体表示方法概述..........................................................................................153.1.1线框图表示法...........................................................................................153.1.2边界表示法..............................................................................................164凸管模型数控加工............................................................................................................174.1建立制造模型........................................................................................................174.2体积块加工........................................................................................................174.3曲面铣削精加工...............................................................................................214.4后置处理生成程序...............................................................................................24结论................................................................................................................................25参考文献.................................................................................................................................26致谢................................................................................................................................27基于pro/e五轴数控铣削加工编程与vericut仿真验证-1-1.绪论五轴数控技术是数控技术中难度最大、应用范围最广的技术[1]。在复杂曲面的高效、精密、自动化加工方面，五轴联动加工更是具有三轴加工所不能比拟的的优势。主要体现在以下几个方面:1)五轴加工可有效地避免刀具千涉，加工三轴机床难以加工的复杂零件;2)对于直纹面的加工，五轴加工可以采用侧铣的方式一刀成型，加工质量和加工效率高;3)五轴加工可以实现一次装夹、多面多工序加工，容易保证产品精度;4)五