【摘要】 介绍了三维设计软件Pro/E的特点,阐述了自顶向下的设计方法和骨架模型的运用,以CRH3动车组为例,介绍了运用该理念进行三维设计的思路、步骤和建模过程.该设计方法可实现并行优化设计的目的,并且具有效率高形象直观的特点.更多还原

【Abstract】 This paper briefly introduces the characteristics of 3D design software Pro/E.Meanwhile,the design procedure of CRH3 by using top-down method and skeleton model has been presented.This kind of design mode is more efficiency and vivid and can attain the goal of concurrent and optimized design.更多还原