It is low spring quorum raceway patsudo

摘要

(57) Abstract Objective The cross tie and resilient sleeper pad which it lies between with the carriage railMaking spring quorum low, to improve the vibration-proof effect, on the carriage railTo improve the riding comfort by the train run, at the same time the resilient sleeper padIt tried to be able to make production cheap. Constitution Extensively large number of the elastic board which forms resilient sleeper pad 4To array the perforation hole 6, spring quorum 15 - 50 tons /cmIn order with to become, it produced.