中金 | 人机系列03：量产背后的硬件创新

Core Viewpoint - The global humanoid robot industry is at a critical transition from "prototype validation" to "mass production preparation," with significant improvements in control capabilities but hardware feasibility still constrained by bottlenecks [6][33]. Group 1: Key Innovations in Humanoid Robots - The report focuses on innovations in humanoid robots post-2025, emphasizing "lightweight and impact resistance" as key areas for development [2]. - The cycloidal gear reducer is identified as a potential solution for heavy-load scenarios, addressing the limitations of current reduction gear solutions [6][14]. - Lightweight materials such as magnesium alloys and PEEK are highlighted for their cost-performance balance, with magnesium alloys being significantly lighter than aluminum and steel [6][17]. Group 2: Challenges in Mass Production - The humanoid robot industry faces three main bottlenecks: transmission systems, endurance issues, and precision detection [6][33]. - Current transmission systems struggle to balance high load, impact resistance, and lightweight design, necessitating the exploration of cycloidal gear reducers for lower body applications [6][14]. - The endurance of mainstream humanoid robots (50-70 kg) is currently low, requiring innovations in material properties and processing to achieve lightweight designs [6][17]. Group 3: Material and Processing Innovations - Magnesium alloys are positioned as a preferred lightweight material due to their high strength-to-weight ratio and established applications in the automotive sector [17][18]. - PEEK materials, while offering superior mechanical properties, face challenges in cost and manufacturing barriers, limiting their widespread adoption [17][21]. - Metal Injection Molding (MIM) is recognized for its advantages in producing complex small parts, making it suitable for humanoid robot components [22][23]. Group 4: Sensor Technology Migration - Multi-sensor automotive-grade technology is migrating to humanoid robots, with rotary transformers expected to replace encoders in high-reliability applications [3][29]. - The rotary transformer is noted for its high precision and adaptability to harsh environments, making it suitable for critical joints in humanoid robots [25][29]. Group 5: Industry Trends and Future Outlook - The year 2026 is projected as a turning point for global humanoid robot mass production, with significant advancements expected in hardware capabilities [6][33]. - The report suggests that as the industry standardizes hardware design, processes like stamping may also migrate into humanoid robot manufacturing [33].