Wind Turbines Brake Pads for the Main Shaft and Yaw Brake Testing

The industry of brake linings for wind turbine main shafts and yaw brakes in China has gradually matured alongside the large-scale development of the wind power industry. At the beginning of this century, during the onshore wind power startup phase, brake linings were mainly imported, while domestic products were primarily based on traditional metal materials, meeting only the basic braking needs of small turbines. After 2010, with the acceleration of wind power base construction in the “Three North” region (Northern, Northeastern, and Northwestern China) and turbine upgrades, stringent requirements were imposed on brake linings, including strong wind impact resistance, high-low temperature cycling resistance, and adaptability to high-frequency start/stop of yaw systems. This drove the material iteration towards resin-based composite friction materials and ceramic-reinforced wear-resistant materials, achieving dual performance breakthroughs in main shaft emergency braking and yaw precise positioning. In recent years, the rise of offshore wind power and the proliferation of large turbines, combined with the strengthened implementation of standards, have accelerated the industry's upgrade towards salt spray corrosion resistance, long service life, and low maintenance costs. Currently, China has become the world's largest producer of wind power brake linings, with products covering all types of wind power equipment, including high-power onshore turbines, offshore corrosion-resistant turbines, and plateau low-temperature turbines.

We have established a specialized wind power brake testing team, offering customized testing services for friction performance, shear performance, and more based on turbine power rating and installation scenarios (onshore plains, offshore islands, plateau mountains), helping products build a core defense line for the safe operation of wind power equipment.

Testing Products

Brake Linings for Wind Turbine Main Shaft and Yaw Brake

Testing Items

Rockwell Hardness

Internal Shear Strength (Material Cohesion / Lamination)

Compressive Strength

Shear Strength (Edge / Interlaminar)

Friction Performance (Coefficient of friction, fade/recovery, wear resistance)

Testing Standards

Brake Linings for Wind Turbine Main Shaft and Yaw Brake: T/CSTM 00327, GB/T 5766, GB/T 26739, GB/T 10424, GB/T 22309

Service Advantages

Specialized in performance testing of brake linings for wind turbine main shafts and yaw brakes for four years, precisely matching the core requirements of “high reliability and strong environmental adaptability” for wind power equipment.

Fully and deeply participated in the formulation and revision of major standards, including T/CSTM 00327-2021 “Brake linings for wind turbine yaw brake”.

A long-term strategic partner for numerous leading wind turbine OEMs and brake system suppliers in core wind power industry regions such as Inner Mongolia, Jiangsu, and Gansu. Provided specialized testing support to companies such as Kimpower and Huawu, earning high industry trust through a deep understanding of wind power operating conditions.


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