客車滾柱軸承化,是我国客車現代化的一項重大改革,是适应旅客列車提高运行速度、防止燃軸事故的重要技术措施。当前,各局、段都在着手該項工作。我段在改装工作上的关鍵問題是軸箱的来源,工厂供应的一批軸箱均系毛坯,段內現有机床設备加工不了,需新制专用搪床,此項設备在短时期內还不能解决,所以从原有滑动軸箱上着手研究較为切合实 Passenger roller bearing, is a major reform of China’s bus modernization, is to adapt to passenger trains to improve operating speed, to prevent the ignition shaft accident important technical measures. At present, bureaux and sections are all undertaking this task. I paragraph in the conversion work is the key issue is the source of the axle box, factory supply a number of axle boxes are rough, the existing section of the machine tool can not be processed, the new system required special boring machine, the equipment in a short period of time Still can not be solved, so it is more realistic to proceed with the research on the original sliding axle box