Gear

Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2nd Heat treatment →finishing machining →Inspection

The ring gear of the planetary gear, the internal gear and the carrier of the same axis. After forging, machining, quenching, hobbing, carburizing, grinding teeth, a set of experiences from the process of production and processing gear.

It conforms to the standard of ASTM, EN, DIN, GB.

The manufacturing equipment is 30~185MN hydraulic press, the forging ratio >3, the technical condition is in accordance with the standard of ASTM, EN, DIN, GB.

Material:4140, 42CrMo4, 4340，18CrNiMo7-6