Planetary Gear Internal Ring Gear OEM Gear

Internal gears are cylindrical gears with inner teeth. Internal gears are mostly applied in many kinds of transmission fields, such as truck hub reduction, industrial gear reducer, automotive AT transmission, wind power, etc. Internal gears can be divided into helical internal gear and spur internal gear, according to the different gear teeth profile.

Nowadays, for internal gears, shaping and broaching are widely applied in the production, according to different production quantities and precision grade.

And for internal gears, we can supply:

1. Material: 20CrMnTi, 42CrMo, Stainless Steel, etc.
2. Moudle:M1-M7; Max O.D.: 400mm.
3. Surface Treatment: Phophatizing, Galvanizing, Black oxide, Sand-blasting or as your requirements.
4. Heat treatment: Hardening and Tempering, Induction Hardening, Carburizing& Quenching, Nitriding, Normalizing.
5. Gears can be manufactured according to clients' drawings and specifications.
6. Gears precision grade can be reached to DIN7 to DIN8.

Teeth Broached

Forged Blank

Broaching Line