销轴、套筒零件表层的抗多冲过载能力和抗多冲磨损能力以及心部的抗塑变能力和表层的循环软化与硬化特性是汽车用高速滚子链摩擦学设计的关键因素

• Exceed the load-carrying resistance and wear resistance for top layer of pin and bush, resistance to plastic deformation for centre of pin and bush, circular softness and hardening characteristics for top layer, they are key factors for the tribology design of the high-speed automotive chain.