Inner Ring Gear
1.Material：42CrMo/40Cr
2.Machining accuracy：±0.01mm
3.Mold opening cycle：About 45 days
4.Craft:Forging
5.Advantages:
Our strict process inspection ensures every product meets defect-free standards.
Streamlined one-stop processing delivers efficiency and cost savings.
From standard to custom, our wide product range solves all your needs.
6.Weight:Material usage and end-product weight will be derived from the Client’s provided drawings.
Product Introduction:
An integral part of mechanical transmission systems, the internal gear ring falls under the category of gear components. Its distinguishing structural characteristic lies in its internal tooth arrangement — this design enables it to engage with external gears, enabling the seamless transfer of power and motion. Serving as a "precision connector" in power transmission processes, the internal gear ring’s design and configuration directly impact the operational efficiency and service life of the equipment it equips. Ranging from powder metallurgy gear rings used in automotive transmissions, to carburized steel gear rings employed in wind turbine gearboxes, and nylon coupling internal gear rings utilized in robotic joints, these components deliver value through three key attributes: accurate meshing performance, reliable force transmission, and strong resistance to diverse environmental conditions.
Product Advantages:
A crucial component of mechanical transmission systems, the gear ring stands out for its high transmission efficiency, compact structure, robust load-bearing capacity, and impact resistance. Featuring an annular internal tooth design, it meshes with external gears (including planetary gears and sun gears), boasting a transmission efficiency exceeding 95% while minimizing power loss. Its space-saving structure renders it particularly suitable for space-constrained applications, allowing seamless integration into complex transmission systems.
Production Process:
Raw material inspection→ Cutting→ Forging → Normalizing → Rough turning → UT → Quenched and tempered → Shot peening → MT → Finished turning → Drilling and Tapping → Shaping → CMM/GMM → Cleaning packaging
Packaging and Shipping
Our team will adhere to the following workflow:
To begin with, we will clean all products thoroughly, attach appropriate labels, and conduct anti-rust treatment before shipment.
Subsequently, we will carry out a full inspection on each product to confirm their compliance with the specified standards.
Finally, we will package the qualified products properly and store them in our warehouse, ensuring they are fully prepared for subsequent delivery.
Company Strength:
After three decades of robust development, the company has proactively expanded into both domestic and international markets. Its products are extensively utilized across sectors such as construction machinery, wind power generation, new energy vehicles, rail transit, petrochemicals, and mining machinery. The enterprise has forged in-depth cooperative ties with renowned global companies hailing from the United States, Canada, Germany, Italy, Belgium, Japan, and other countries — with overseas sales accounting for over 50% of its total turnover. Furthermore, it has established stable strategic partnerships with leading domestic high-end equipment manufacturers, including Zoomlion, XCMG, Sany, Lingsheng, CRRC, Nanjing Gear, and Zhuzhou Gear. Among its product portfolio, the core forgings for planetary reducers and medium-to-large hook assemblies hold the top position in terms of market share within the domestic market.
