UG 集成环境下数控机床虚拟样机的实现杨晓京1, 2, 傅中裕2( 浙江大学机械与能源工程学院, 浙江杭州310027; 昆明理工大学机电工程学院, 云南昆明650093)摘 要: 数控机床是一种重要的技术装备L为提高数控机床的设计水平和能力, 在数控机床的设计开发过程中需要引入新的技术和设计手段L 为把虚拟样机技术应用到数控机床设计开发的工程实践中, 基于虚拟样机的概念讨论了数控机床虚拟样机的具体实现过程, 分析比较了实现该过程的分布式软件平台和U G 集成软件平台的特点L以数控铣床新产品开发为例, 研究了U G 集成环境下数控机床虚拟样机的构建与仿真过程, 包括数字模型与装配、运动仿真、结构分析以及在虚拟样机上的加工仿真, 给出了相应的示例L研究表明, 应用U G 的各功能模块可以有效地构建数控机床的虚拟样机并对其进行全面的仿真, 使所设计的数控机床得到全面优化, 为数控机床的开发设计提供了一种可行的先进方法L关键词: 虚拟样机; 数控机床; U nigraph ics中图分类号: TP 9 文献标识码: A 文章编号: 10062754X (2007) 0320204206Real ization of CNC mach ine tool v irtual prototype inUG in tegrated env ironmen tYAN G Xiao- jing1, 2, FU Zhong- yu2( Co llege ofM echanical and Energy Engineering, Zhejiang U niversity, Hangzhou 310027, Ch ina; Faculty ofM echanical and Elect rical Engineering, Kunm ing U niversity of Science andTechno logy, Kunm ing 650093, Ch ina)Abstract: CNC mach ine too l is an impo rtan t manufactu re equ ipmen To imp rove it s design leveland capab ility, it is necessary to impo rt new techno logy and design method in design and develop2men t of CNC mach ine too To app ly virtual p ro to type, a new engineering design theo ry andmethod, in design and developmen t of CNC mach ine too l, specif ic imp lemen tat ion p rocess ofCNC mach ine too l virtual p ro to type based on the concep t of virtual p ro to type is p ropo A naly2sis and compare on the featu res of the dist ribu t ing sof tw are p latfo rm to imp lemen t th is p rocessand U G in tegrated environmen t are carried ou Tak ing developmen t of a new type of CNCm illing mach ine as an examp le, research on con st ruct ion and simu lat ion p rocess of CNC mach inetoo l virtual p ro to type in U G in tegrated environmen t is Then, research on numericalmodel, assemb ly, mo t ion simu lat ion, st ructu re analysis and manufactu re simu lat ion of CNC ma2ch ine too l virtual p ro to type are carried ou t and co rresponding illu st rat ion s are p The re2search indicates that con st ruct ion of CNC mach ine too l virtual p ro to type and comp rehen sive simu2lat ion on it can effect ively comp leted by adop t ing the funct ion modu les of U G and to tal op t im iza2t ion of designed mach ine too l can be ach Th is research p rovides a feasib le advanced methodfo r design and developmen t of CNC mach ine too Key words: virtual p ro to type; CNC mach ine too ls; U n igraph ics (U G) 随着科学技术的发展, 工程设计的理论、方法和手段发生了很大变化L近年来, 集计算、设计、分析和仿真技术于一体的虚拟样机技术引起了人们的广泛重视, 并越来越多地应用于工程设计实践L虚拟样机技术是一种在产品设计开发过程中,在计算机上建立产品的模型, 进行仿真分析, 预测产