After a long period of market refinement and development, speed reducers have gradually evolved into a dominant force covering the Chinese market, demonstrating a vitality that is shaking the world. As the most core functional component of industrial robots, speed reducers account for 33%-38% of the overall robot manufacturing cost. Currently, the industrial robot field is booming, with sales rising steadily, and the potential demand for speed reducers is increasing year by year.
In recent years, the rapid development of China's economy and the increase in exports of heavy machinery have led to exceptionally rapid growth in the gearbox industry, a crucial foundational sector. Driven by strong downstream markets, gearbox manufacturers are expanding their production and sales scale, while continuously improving their processing capabilities and technological levels. The future prospects for the gearbox market are very promising. Based on the growth in sales and installed capacity of industrial robots, it is estimated that by 2025, the demand for industrial robot gearboxes will reach 1.05 million units, with a market size of approximately 7.7 billion yuan.
As a key component of industrial robots with the highest technological barriers, reducers can be divided into five categories according to their structure : harmonic gear reducers, cycloidal pinwheel reducers, RV reducers, precision reducers, and filter gear reducers. Among them, RV reducers and harmonic reducers are the most mainstream precision reducers for industrial robots, and RV reducers are gradually replacing harmonic reducers in advanced robot transmissions.
Globally, the robot reducer market is dominated by Japanese companies, with other countries having limited resources. Statistics show that three Japanese companies—Sumitomo, Nabtesco, and Harmonic Drive Systems—hold over 80% of the global market share, holding an absolute monopoly.
Currently, the global precision gearbox market is dominated by Japanese companies Harmonic Drive and Nabtesco, accounting for 75% of the market share. Nabtesco produces RV gearboxes, holding approximately 60% of the market share, while Harmonic Drive produces harmonic reducers, holding approximately 15% of the market share. Japanese gearbox technology has consistently been far ahead, maintaining its dominant position in the industry for many years. Even renowned international "Big Four" industrial robot manufacturers such as ABB, FANUC, Yaskawa, and KUKA have been using gearboxes from these two Japanese companies.
In contrast, despite increased investment by Chinese robot reducer manufacturers in recent years, mass production is still some distance away. In the future, it may be necessary for domestic robot companies to drive the market and break the Japanese companies' monopoly.
The robotics industry is currently one of the most watched sectors, with undeniable growth potential. Precision reducers are the most critical functional components of industrial robots and a vital application link in the robotics industry chain.
According to predictions from authoritative national departments, the new demand for reducers for industrial robots in China will reach 236,000 sets, 296,000 sets, 369,000 sets, and 462,000 sets respectively from 2015 to 2018. Furthermore, considering the typical lifespan of 8-10 years for industrial robots already in the domestic market, the future domestic market demand for precision reducers will exceed 1 million units, with annual sales exceeding 10 billion yuan.
Industry insiders believe that the robot reducer industry has a promising future and huge potential demand. To this end, domestic manufacturers are increasing their investment, including listed companies such as Qinchuan Machine Tool ( 000837), Shuanghuan Transmission ( 002472 ), and Han's Laser ( 002008), striving to catch up in the localization of reducers.
Speed reducers, as indispensable transmission equipment in modern construction, are widely used in various sectors of the national economy. For the robotics industry, speed reducers are a crucial application link in the industrial chain. Benefiting from the rise of the robotics industry, the development of the robot speed reducer industry is expected to enter a period of rapid growth. In the future, driven by industrial robots, my country's robot speed reducer industry is expected to experience rapid development, with market demand continuously expanding. However, for domestic enterprises, the development of domestically produced speed reducers still has a long way to go. In the future, a suitable focus on harmonic reducers could be considered to achieve a leapfrog development.
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