Rotary Joint-Harmonic

Industry Category
Transmission Systems Gearbox Harmonic reducer
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Product Description

The Harmonic Gearbox is a core precision transmission component for the rotary joints of humanoid robots, characterised by its compact size, light weight, high reduction ratio, zero backlash and high positioning accuracy. The product utilises a flexible gear meshing principle, enabling smooth operation and excellent dynamic response. It is ideally suited for joints such as the wrist, elbow and shoulder of humanoid robots, meeting the stringent requirements for lightweight design and high-precision control.

Product Specifications

The harmonic gearbox developed by Jointelligence offers ultra-high precision, exceptional positioning and repeatability, zero backlash, a compact design, lightweight construction, low vibration, low noise, and a high single-stage reduction ratio.

Company Profile

Dongjie Smart Control (Shanghai) Technology Co., Ltd.

Dongjie Intelligent Control Technology Co., Ltd. is a joint venture established by Shanghai Electric Group’s subsidiary, Shanghai Electromechanical Co., Ltd., and the Teco Electric & Machinery Group. The company specialises in core technologies for complete joint modules for humanoid robots. Its offices and testing facilities are located in Shanghai, whilst its production base is situated in Bao’an District, Shenzhen. Drawing on its shareholders’ decades of experience in precision manufacturing and motor R&D, began developing robotic joints in 2023. Its current product range covers all types of joint modules for humanoid robots, including rotary and linear joints, as well as hollow-shaft motor-driven dexterous hand actuators. All products are developed in-house, with an integrated self-manufacturing rate of up to 90%.
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