The development process including the pass design and trial production of 50AT switchrail is introduced.
本文介绍了50AT道岔钢轨的开发研制过程中孔型设计及试制情况。
2
The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switchrail.
本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。
3
The influences of friction coefficient of the switch slide baseplate on the actuating force, and the minimum distance between the rail and the switchrail have been analyzed.