It is pointed out that the high flexibility air spring is one of the key technologies for bolsterless bogie, andthat its lateral rigidity is decisive to the riding quality of vehicle and heavily influences the hunting stability.

• 指出高柔性空气弹簧是无摇枕转向架二系悬挂装置的关键技术,其横向性能对车辆运行的平稳性有决定性的作用,并对蛇行运动稳定性有重要影响。