灵巧手硬件的五大方向

Investment Rating - The report rates the industry as "Positive" [5] Core Insights - The focus on dexterous hands is due to their core role in humanoid robots, representing the highest cost component and having significant room for upgrades [1][15] - Dexterous hands serve as a bridge for humanoid robots to interact with the external world, making them crucial for data collection in AI applications [1][15] - The report identifies five key directions for investment: micro motors, drive control chips, micro lead screws, tendons, and sensors [2][57] Summary by Sections Why Focus on Dexterous Hands - Dexterous hands embody the generalization capability of humanoid robots and are the most expensive component, accounting for approximately 20%-30% of the total cost [1][15] - There is substantial potential for optimization and upgrades, making it a bottleneck in the industry [1][15] - They are essential for AI data loops, acting as the most sensor-rich component of humanoid robots [1][15] Three Main Transmission Schemes - Dexterous hands can be categorized into three transmission types: gear transmission, linkage transmission, and tendon transmission [16][19] - Each type has its advantages and disadvantages, affecting flexibility, complexity, and performance [20][21] Key Directions for Investment - Micro Motors: High BOM cost and significant value, with a shift towards hollow cup motors and brushless DC motors [2][58] - Drive Control Chips: Increasing demand for high-performance, low-power, and compact chips, with substantial room for domestic replacement [2] - Micro Lead Screws: Demand elasticity is expected to rise, with high material requirements and technical barriers [2] - Tendons: Current limitations in tendon solutions, with ongoing developments in metal and ultra-high molecular weight polyethylene fibers [2] - Sensors: Critical for dexterous operation, with advancements in MEMS and flexible sensors expected to increase usage [3][57] Investment Recommendations - Recommended companies include Zhaowei Electromechanical for precision transmission systems, Wuzhou Xinchun for micro lead screws, and Fengcai Technology for motor control chips [4]