Custom gear product
Internal Ring Gears
Internal gears for planetary and compact transmissions.

Drawing-basedControlled geometry.
Application-awareDuty affects choices.
Quality by contractStandard and characteristics.
Documented releaseRevision and reports.
Product scope
Configuration options
- Internal spur gears
- Internal helical concepts
- Planetary ring gears
- Integrated housing/ring components
Engineering data
RFQ specification
| Topic | Provide |
|---|---|
| Item 1 | Module/DP, teeth, pressure/helix angle and mates |
| Item 2 | Outside diameter, wall, flange and datum |
| Item 3 | Tool access and process route |
| Item 4 | Material, nitriding/carburizing and distortion |
| Item 5 | Internal measurement and runout method |
Risk control
Engineering note
Thin rings can distort during treatment and clamping.
No accuracy, load, efficiency or life claim is assigned without project data.
Request for quotation
Request a quote for internal ring gears
Share the drawing, quantity, material, heat treatment, accuracy requirement and application for RFQ review.