The internal ring gear is a critical core component within planetary gearbox systems, engineered to transmit high torque while maintaining exceptional operational stability. Manufactured with state-of-the-art gear cutting and finishing technologies, this planetary gearbox ring gear features optimized internal tooth geometry that ensures precise meshing with planetary gears under both continuous and shock-load conditions. Its robust design significantly reduces vibration and noise, enhances power density, and extends the overall service life of the gearbox. Designed for demanding applications across multiple industries, this internal ring gear represents the benchmark of reliability, durability, and manufacturing excellence.
Planetary Gearbox Ring Gear
Specification
Module
16
Application
Wind power generation
Material
42CrMo4
Heat Treatment
Quenching + Tempering + Nitriding
Accuracy
DIN 6
Typical Applications of Internal Gears
This internal ring gear is specifically engineered to excel in wind turbine planetary gearboxes, where it serves as a critical component in both pitch and yaw drive systems. In these applications, the gear must endure continuously fluctuating loads, extreme temperature variations, and harsh offshore or onshore environmental conditions over a design life of 20 years or more.
Our ring gear’s high fatigue strength, excellent wear resistance, and precise tooth geometry ensure reliable power transmission, minimize unplanned downtime, and significantly reduce maintenance costs—factors that are vital for maximizing wind farm profitability. Furthermore, the gear’s low-vibration characteristics contribute to smoother turbine operation, protecting adjacent bearings and structural components from premature failure. Whether deployed in onshore wind farms or offshore installations subject to saline corrosion, our internal ring gear delivers the robustness, longevity, and operational reliability that wind energy applications demand. Beyond wind power, this gear is also widely adopted in electric vehicle reducers, heavy industrial machinery, and robotic automation systems, offering the same level of engineering excellence across diverse high-performance drivetrain applications.
Production process
5-Step Production Process
Tube Forging
Turning
Internal Gear Shapping
Heat Treatment
Ring Gear Grinding
Tube Forging
When gears need high performance that needs to withstand high loads, high stress, impact loads or fatigue loads, forgings are suggested to use. Forging allows metal fibers to be continuously distributed along the gear profile, significantly improving root strength and fatigue life.
Turning
This is the process of cutting and shaping solid materials into precise parts. It uses tools like lathes, mills, and drills to remove excess material. Machining transforms a simple block of metal into a finished, functional component.
Internal Gear Shapping
Gear shaping is a gear cutting process that used cutting tool that is essentially a “master gear” reciprocates while meshing in a synchronized rolling motion with the gear blank.The cutter is usually moving up and down.
Heat Treatment
Gears need to be running with two gears or above two gears, that makes them easy to be worn-out. That’s why most types of gears need to be harden through heat treatment.
Ring Gear Grinding
Gear Grinding is the the most common high-precision method for finishing hardened gears under gleason profile. There are two methods to use an abrasive grinding wheel removes material from the tooth flanks.
Inspection
Strict Quality Inspection
Dimension Inspection
Material Testing
Heat Treatment Testing
Accuracy 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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