A variety methods of determining the depth of deep case carburizing of heavy-duty gear are compared

the variation of carburized depth requirement of heavy-duty gear in recent years are listed.The quench stress test of the carburizing samples with different diameter and the specimen with teeth shape are carried out.On the basis of compressing the depth redundancy of the existing deep carburized layer and referring to the variation of carburized depth in recent years

we can make great efforts to attribute lean process of carburized depth

appropriate reducing the depth

and on condition of ensuring gear load capacity

make deep carburizing process to a processing technology of energy conservation and emission reduction and clean efficient.