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Since 2013, China has become the world’s largest consumer of robots, ranking the top spot in the global industrial robot market for three consecutive years. At the same time, the output of domestic industrial robots has also shown an explosive growth trend. Domestic industrial robots in 2016 The output has reached 72,400 units, and this figure was only 9,000 in 2013! But the actual situation is that China's domestic robot market share only about 30%, and mainly in the low end of the industry, high-end robots rely heavily on imports; reducer, servo motor, controllers and other key parts rely on imports, purchasing core components The cost is already higher than the overall price of the same robots in foreign countries.
At present, more than 40 robotic industrial parks have been built and under construction in China, and the number of robotic companies exceeds 800. But the actual situation is that of the more than 800 companies, nearly half of the companies are empty brands that have no products. Nearly 70%-80% of the remaining half of the companies are agents of other people's products and can really produce their own parts or robot products. Only about 100 of them.
As the technical barrier, the key components of industrial robots - reducer can be divided into five categories according to the structure: harmonic gear reducer, cycloid reducer, RV reducer, precision reducer and filter gear reducer. Among them, RV reducer and harmonic reducer are the most popular precision reducers for industrial robots. RV reducers have gradually replaced harmonic reducers in advanced robot transmissions. At present, 75% of the world's precision reducer market is occupied by Hamernako and Nabtesco in Japan. Among them, Nabtesco produces RV reducer, which accounts for about 60% of the market. Hamernaco produces a harmonic reducer. , about 15% share.
The servo motor is a kind of auxiliary motor indirect transmission, which can control the speed and accuracy very accurately. The voltage signal can be used as the torque and speed to drive the control object, which is equivalent to the "nervous system" of industrial robots. In the domestic servo motor market, the top three brands, Panasonic, Mitsubishi and Yaskawa, are Japanese brands, with a total share of 45%. European brands such as Gate, Bosch, Schneider occupy the high end, and the overall market share is about 30%. The overall share of domestic companies is low. At 10%.
The self-supporting capabilities of our country's servo motors are now in its infancy. The product power range is mostly within 22KW, and the technology line is close to Japanese products. There are more than 20 large-scale servo brands, mainly Nanjing Eston Automation Co., Ltd. and Guangzhou CNC. Equipment Co., Ltd., Shenzhen Huichuan Technology Co., Ltd. and so on.
The controller is the "brain" of industrial robots. It publishes and transmits motion instructions, including hardware and software. The hardware is the industrial control board, including some main control units, signal processing parts, etc. The software is mainly control algorithm, and the secondary Development, etc., but due to its relatively low status and threshold, mature robot manufacturers generally develop their own controllers, with stability and technical systems. In the domestic controller market, Fanuc, Yaskawa, ABB accounted for nearly 40% of the market share, Epson, OTC, Stäubli and other second-line% market share.
The gap between China's controllers and foreign countries is relatively small, and hardware has been mastered. There are still gaps in the stability, speed of response, and ease of use of domestic brands in software. Wuhan Huazhong Numerical Control Co., Ltd., Shenyang Xinsong Robot Automation Co., Ltd., Shanghai Xinshida Electric Co., Ltd. and other related products have reached the international advanced level.
At present, our country is on the transition from an “industrial big country†to an “industrial powerhouseâ€. Increasing the localization rate and technical level of industrial robots is an important part of the “Made in China 2025†implementation, only facing defects and targeted To make up for it, we can avoid the tragedy that encourages growth.
Analysis: The development trend of China's industrial robot industry in 2017
At present, the cost of global industrial robots consists of about 35% of reducers, about 20% of servomotors, about 15% of controllers, and about 15% of machined bodies. The other parts are mainly applications.