针对高速动车组走行部的关键部件——车轴、车轮及制动盘完全依赖进口的状况,研究和开发具有我国自主知识产权的动车组轮对,掌握动车组车轮核心技术,对于打造我国先进的装备制造业,带动国内高新技术产业链的形成,推动国民经济的进一步发展具有重要意义。 In view of the fact that axle, wheel and brake disc, which are the key components of high-speed EMU moving department, are totally dependent on the import situation, researching and developing wheelsets of EMU with independent intellectual property rights and mastering the core technology of EMU wheel, Equipment manufacturing industry, drive the formation of domestic high-tech industrial chain, to promote the further development of the national economy is of great significance.