... strength alloy steels for gear wheel and shaft parts.The gear is treated with carburetion,quenching and gear grinding .Gear wheel precision is ... imported products of the same kind.Service condition:Rotate speed of decelerator high-speed shaft 1500r/minAmbient temperature for service is 0 ... assemblage mode respectivelyExample of earmark:ZLYJ 225-12.5()ZLYJ series 133,146,173,200,225,250,280,315,330 are ...