This internal ring gear is a precision-manufactured internal gear component, designed for compact power transmission systems. Featuring finely cut internal teeth and a small-diameter form factor, this internal ring gear for planetary gearbox enables smooth, efficient meshing with mating gears in planetary or epicyclic gear trains. Manufactured with strict tolerance control, it delivers reliable performance, low noise, and consistent torque transfer in space-constrained mechanical assemblies.
Internal Ring Gear for Planetary Gearbox
Specification
Module
2.5
Application
Planetary gearbox
Material
42CrMo
Heat Treatment
Nitriding 52-55HRC
Accuracy
DIN 6
Typical Applications of Internal Gears
This internal ring gear is widely used in light to medium-duty applications where precision and compactness are paramount. It is commonly found in robotics and automation for joint actuators and servo drives, in electric tools and handheld equipment for compact gear reduction, and in small planetary gearboxes for automotive accessories, medical devices, and instrumentation. Its reliable internal gearing also supports precision indexing mechanisms and miniature drive systems across industrial and consumer product sectors.

Production process
5-Step Production Process
Tube Forging
Turning
Internal Gear Shapping
Heat Treatment
Ring Gear Grinding
Inspection
Strict Quality Inspection

Dimension Inspection

Material Testing

Heat Treatment Testing

Accuracy Inspection
Packages
Professional Packaging Safe Arrival
Customized cost-effective packages for products protection. We select multi-model solutions, combining air, sea, or land freight for the optimal balance of cost, speed, and reliability.

Inner Package

Out Package

Carton

Wooden Package
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Your Precision
Transmission Partner
Do you have drawings to be implemented, or problems to be solved? Please feel free to contact us. From initial inquiry and technical specification confirmation to production and delivery, our dedicated team will provide you with one-on-one service, ensuring that every step meets your stringent requirements for precision.
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