人形机器人“卖铲人”系列：磨床篇

Investment Rating - The report maintains a "Positive" investment rating for the industry [5]. Core Insights - The humanoid robot market is expected to create a demand space worth hundreds of billions, particularly in the context of planetary roller screw manufacturing [10][44]. - The complexity of screw processing necessitates high-precision grinding machines, which are currently dominated by foreign brands, indicating a significant opportunity for domestic manufacturers to capture market share [62][66]. Summary by Sections Section 1: Complexity of Screw Processing - The processing of planetary roller screws involves multiple complex steps, including heat treatment, turning, milling, and grinding, which can accumulate errors leading to various forms of failure [16][37]. - Grinding remains essential for achieving the required surface quality and precision in screw manufacturing [32][42]. Section 2: Demand for Humanoid Robots - In 2021, the total sales of grinding machines in China reached 9,804 units, generating a revenue of 2.55 billion yuan, with a significant portion attributed to flat, external, and bearing grinding machines [46][50]. - The projected demand for grinding machines for planetary roller screws is expected to grow significantly, with estimates indicating a need for 5,190 machines by 2035, translating to a market space of approximately 138.41 billion yuan for internal thread grinding machines [56][60]. Section 3: Supply and Trade Deficit - The domestic market for high-end grinding machines is characterized by a trade deficit, with significant reliance on imports from countries like Germany, Japan, and Switzerland [66][72]. - The average price of imported high-end grinding machines is significantly higher than that of domestic products, highlighting the potential for domestic manufacturers to fill this gap [66][69].