引言在近二年内日本带空气弹簧蒋向架的车辆已经从540辆增加到1,800辆左右。在1,800辆中大约有1,200辆属于电动摩托列车、客车和内燃动车。现在一些特快列车以及一些快车都已采用了空气弹簧转向架。最近趋向于在市郊运输的电动摩托列车上采用空气弹簧。当然,东海道干线完成时,运行在该线上的特快列车也将采用空气弹簧。空气弹簧有两个显著的特点:(1)容易获得柔软 Introduction Within the next two years, the number of Japanese vehicles with air spring jiangjian has increased from 540 to about 1,800. About 1,200 of the 1,800 vehicles are electric motor trains, buses and EMUs. Now some express trains and some express trains have adopted air spring bogies. Air springs have recently been used on electric motorcycles trafficked in the suburbs. Of course, when the Tokaido Mainline is completed, an express train operating on this line will also use an air spring. Air springs have two salient features: (1) easy to get soft