OEM Internal gear for wind power

Home / Products / RING GEARS / Internal gear for wind power
  • Internal gear for wind power

Internal gear for wind power


Spur and Helical


20~800 mm

Max Module


Type of Finishing

Gear Shaving, Gear grinding

Gear ID

Plain Bore/ Spline Bore


DIN 8 shaving; DIN 6 gear grinding with bias control


Alloy Steel, Carbon Steel, Stainless Steel

  • The internal gear, also known as the internal gear or annular gear, is a type of gear with teeth on the inside circumference. Internal gears for wind power are specifically designed for use in the planetary gear sets of wind turbine transfer gear cases. These internal gears feature teeth on the inside circumference, allowing them to engage with other gears within the system. The unique design and construction of internal gears provide efficient and reliable power transmission in wind turbines. With their robust construction and high load-carrying capacity, internal gears play a vital role in transferring rotational energy from the wind turbine rotor to the generator. They are engineered to withstand the demanding conditions and torque requirements associated with wind power generation, ensuring the performance and longevity of the wind turbine system.
    When you choose our gears, you benefit from their precise engineering, adherence to high-quality standards, and dependable performance. We provide customization options to meet specific application requirements, ensuring a perfect fit for your needs. Our gears are designed to withstand heavy loads and harsh operating conditions, ensuring durability and long service life. Additionally, our dedicated team offers exceptional technical support and customer service to ensure a seamless integration of our internal gears into your systems.
    At Prior, we are committed to investing in cutting-edge gear production equipment and technology, guaranteeing customer satisfaction. With our advanced machinery and extensive industry experience, we have the expertise to deliver a truly satisfactory experience for our customers.

Certificate Display


With years of experience collaborating with exceptional enterprises like SANY and XCMG, Prior possesses the expertise to adeptly navigate every facet of the gear manufacturing process. From design inception to final delivery, we are unwavering in our commitment to fulfill your requirements and surpass your expectations at every stage of the journey.


EMAIL :   [email protected]

PHONE : +86 132 1205 7936

ADDRESS : No.1-3 Quanli Road, Feicheng Economic Area, Taian City, Shandong Province, China

Processing and Forming:
Extrusion Forming
CNC Machining
Gear Machining and Finishing:
Gear Grinding
Gear Rolling
Surface Grinding
Read More
CNC Turning
CNC Mills & Machining Centers
Deburring Equipment
Drilling Machines
Gear Cutting Machines
Grinding Machines
Read More
As a prominent OEM gear manufacturer committed to high-volume production, Prior thrives by nurturing a culture of ongoing innovation. Our emphasis on achieving superior quality and improved material utilization, along with cost and time savings for our clients, is exemplified by our adoption of advanced techniques like extrusion. 
Our extensive range of products includes speed reducer gears, oil gear pump gears, and gears for the construction, road transportation, mining, and agriculture industries. We have the capacity to produce over 300,000 gears monthly, including sun gears, planetary gears, ring gears, planet shafts, oil seal seats, oil pump gears, and other components
Read More
At Prior, we offer a comprehensive range of gear engineering services to ensure precise and high-quality gear manufacturing.
Read More
  • 2009

    Be established in

  • 3 million

    Annual output(pieces)

  • 60 +million

    Annual sales


Towards a better future with firm steps

  • 2009:

    Founded in Jinan, Shandong, China. Began small-scale automotive parts and components production and sales.

  • 2016:

    Production scale expanded and began supporting Pengxiang Automobile.

  • 2019:

    Built a new factory in Feicheng City, Tai'an City, and rebranded as Prior Gear

  • 2020:

    Provided support to Liuzhou Fangsheng Axle, China National Heavy Duty Truck Group, and developed new techniques for precision gear manufacturing and precision gear ring manufacturing.

  • 2021:

    Provided support to XCMG and Hande Axle. 

  • 2022:

    Awarded the title of high-tech enterprise in Tai'an City. Achieved sales revenue of 60 million yuan.


Provide you with the latest enterprise and industry news

Read More

Relevant Knowledge Expansion

Wind turbine gears are an important component of wind turbines, and the internal gear is one of its key components.
The main function of internal gear for wind power is to transmit power and torque, converting wind energy into mechanical energy and then into electrical energy. In wind turbines, the internal gears work together with components such as the main shaft and generator to transfer wind energy to the generator, generating electrical energy. Therefore, the performance of the internal gear for wind power directly affects the efficiency and reliability of the entire wind turbine.
The manufacturing of internal gear for wind power requires multiple processes and heat treatment processes to ensure their high strength, wear resistance, and corrosion resistance. At the same time, during installation and maintenance, it is necessary to strictly comply with relevant specifications and operational requirements to ensure the normal operation and service life of the internal gears.
In short, the internal gear for wind power is one of the important components in wind turbines, and its performance and quality directly affect the performance and reliability of the entire unit. In order to ensure the normal operation and service life of wind turbines, it is necessary to select high-quality and reliable internal gears and conduct regular maintenance and upkeep.

Can internal gear for wind power work in harsh environments?
Yes, the internal gear for wind power can work in harsh environments. Due to the fact that wind turbines are usually installed in remote areas such as high mountains and wilderness, the climate conditions in these areas may be extremely harsh, such as severe cold, heat, strong winds, sand and dust. Therefore, the internal gear for wind power need to have the ability to work in harsh environments.
In order to ensure the normal operation of internal gear for wind power in harsh environments, high-strength materials and advanced manufacturing processes such as alloy steel and carburizing quenching are usually used to improve their hardness and wear resistance. In addition, the design of internal gear for wind power also fully considers the working requirements in harsh environments, such as using sealing structures, dust prevention devices, etc., to prevent erosion and damage to the gears caused by sand, dust, salt mist, etc.