Mature technology,excellent product consistency.
Mature Technology & Excellent Consistency: Backed by mature gear manufacturing technology, this internal ring gear delivers excellent product consistency, ensuring reliable performance and stable operation across various industrial gearboxes.
High Surface Hardness & Wear Resistance: Crafted from premium 42CrMo material and treated with surface quenching heat treatment, the tooth surface hardness reaches 45—60 HRC. This provides exceptional wear resistance and durability for demanding gear drive systems.
High Precision & Smooth Meshing: Precision-machined using a German-made HOFLER 1250 gear grinding machine, this internal gear achieves Grade 3 to 6 accuracy after grinding, guaranteeing smooth meshing and reliable torque transmission.
Product Overview: Designed as a transmission component, this internal gear ring is widely used in various industrial gearboxes.
Core Technical Parameters: Features a module of 6, 115 teeth, and a pressure angle of 25°, perfectly engineered for optimal load distribution and precise power transmission.
Comprehensive Gear Manufacturing Process: Our gear production process includes forging blank forming, turning, gear hobbing, heat treatment, fine turning, and precision gear grinding to ensure superior structural integrity and dimensional accuracy.
Traceability & Quality Control: For full product traceability, the product model and serial number are engraved on each gear. Equipped with a process card, each unit is transferred to the next process only after passing inspection by our quality control team.
Customized Gear Design & Development: We provide customized gear design and development services, as well as custom production according to customer-provided drawings, to meet customer requirements for customized gear solutions.
| Item | Details |
|---|---|
| Raw Material | 42CrMo |
| Module | 6 |
| Number of Teeth | 115 |
| Pressure Angle | 25° |
| Heat Treatment | Surface Quenching |
| Tooth Surface Hardness | 45-60 HRC |
| Grinding Equipment | German HOFLER 1250 Gear Grinding Machine |
| Gear Accuracy | Grade 3 - Grade 6 |
| Main Markets | China, United States |



As a precision internal ring gear component manufactured to Grade 3 to 6 accuracy, our products are widely applied across various industrial gearboxes, delivering exceptional wear resistance and reliable torque transmission.
Industrial Gearboxes & Drive Systems
Featuring surface quenching heat treatment with 45—60 HRC tooth surface hardness, this internal ring gear provides exceptional wear resistance and durability for a wide range of industrial gearboxes and drive systems.
High-Load Gear Transmission Applications
With a module 6 design and 115 teeth, this internal gear delivers high load-bearing capacity and reliable fatigue resistance, making it suitable for gearboxes that operate under demanding working conditions.
Precision Gear Drive Systems
Precision-machined using German HOFLER 1250 gear grinding equipment, this internal ring gear achieves Grade 3 to 6 accuracy after grinding, ensuring smooth meshing and low vibration in precision gear drive systems.