GJCS, GJHS Harmonic Reducer

Industry Category
Transmission Systems Gearbox Harmonic reducer
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Product Description

Guangzhou Keyi precision harmonic reducers are independently developed and offer performance comparable to leading international brands. Backlash ≤20 arcsec, design life 10,000 hours. Suitable for humanoid and quadruped robots, AGVs, medical devices, etc. Customisable, high-precision and stable, providing core transmission for robot joints.

Product Specifications

Guangzhou Keyi precision harmonic reducers are independently developed with full independent intellectual property rights, and their performance is on a par with leading international brands. The product range comprises two series: GJCS and GJHS, covering standard and slim (2SO) specifications. The reduction ratio ranges from 30 to 160, with a rated torque of 0.9–382 Nm, backlash of ≤20 arcsec, and a design life of 10,000 hours. With a maximum permissible input speed of 4,500–8,500 r/min and an average input speed of 3,500 r/min, these units offer high precision, stable operation and excellent consistency. Utilising a straw hat flexspline and cross-slider coupling, it offers high impact resistance and supports customisation of reduction ratio, performance and external dimensions. It is widely used in humanoid and quadruped robots, collaborative robots, AGVs, LiDAR, medical devices and other fields.

Company Profile

Guangzhou Keyi Precision Machinery Equipment Co., Ltd.

Guangzhou Keyi Precision Machinery Equipment Co., Ltd. is a subsidiary of International Precision Group, which is controlled by China Bao’an Group under the Shenzhen State-owned Assets Supervision and Administration Commission. The company holds 130 authorised patents, employs over 70 engineers, and has developed more than 500 products to date. Guangzhou Keyi possesses fully independent intellectual property rights for its harmonic reducers, rotary servo joints, linear servo joints, dexterous grippers and humanoid robot bodies. Its products deliver outstanding performance, high absolute accuracy and stable repeatability, and the company offers customised functional development services. It is one of the few providers in China capable of large-scale production of humanoid robot bodies and integrated comprehensive solutions. Guangzhou Keyi possesses extensive experience and a deep understanding of manufacturing processes in the precision machining sector. Since its establishment in 2011, the company has been committed to digitally empowering the precision manufacturing industry through the application of advanced technologies such as the Internet of Things (IoT), artificial intelligence (AI) and industrial robotics. It provides industry-leading, efficient, stable and intelligent one-stop comprehensive solutions to support the transformation and upgrading of the manufacturing sector.
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