开源证券：Gen3核心攻关在“手与前臂” 灵巧手或为量产落地最后一环

Core Insights - Tesla's Gen3 dexterous hand is crucial for the robot's fine operations and intelligent interactions, representing the final step towards mass production [2][5] - The dexterous hand's engineering accounts for approximately half of the humanoid robot's overall development, emphasizing its strategic importance [2][3] Summary by Sections Dexterous Hand Development - The Gen3 dexterous hand focuses on flexibility, load capacity, perception, and biomimetic design, which are essential for precise operations [3] - Key changes in the Gen3 dexterous hand include: 1. Motors: Relocation of motors to the forearm for higher design freedom and reduced maintenance complexity, with potential use of micro brushless motors [3][4] 2. Miniature Ball Screws: Replacement of worm gears to enhance transmission precision and efficiency, with future designs possibly using a hybrid approach [3] 3. Tendons: Transition from torque springs to tendon-driven mechanisms, improving finger flexibility and natural movement [3] 4. Sensors: Expansion of sensor coverage to include vision and touch, enabling more complex task execution [3] 5. Lightweight Materials: Adoption of lightweight materials for the dexterous hand's outer layer to enhance efficiency and lifespan [4] Business Model and Market Potential - The dexterous hand's technology barriers are high, impacting the robot's decision-making and training processes, and it can serve various sectors such as industrial, medical, and service industries [5] - The current technology landscape includes three main types of actuation: gear/direct drive, tendon, and linkage, with domestic companies favoring linkage for durability [5] - Companies like Aoyi Technology and others are expected to leverage their technology and partnerships for faster mass production [5] Beneficiary Companies - Key beneficiary companies identified include: - Top Group, Zhenyu Technology, Wuzhou Xinchun, Longsheng Technology, and others [7] - Companies with potential for collaboration and technology extension include Zhaowei Electromechanical and Longsheng Technology [7]