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The Chinese robot industry difficult situation
Jan 04, 2019

In China, industrial robots have a large market for applications. As early as 2014, Wang Ruixiang, then head of the China Machinery Industry Federation, said China had become the world's largest market for industrial robots.

However, according to the market share of industrial robots in China in 2017, the domestic robot market is still firmly controlled by well-known foreign brands, with a market share of only 32.8 percent of the domestic robots. And most of the competition is concentrated in low-middle-end, high-end domestic industrial robots, even less than 5% of the market share. It can be seen that compared with international counterparts, domestic robot enterprises in the domestic, international market share is not high, technical level is still a large gap, the whole country's robotics and industry status quo, is not optimistic.


Why does domestic robot in such an awkward situation?

Many robot manufacturers react, and the main problem of domestic robots is that the core components can only be imported, the cost is reduced, and the batch production is difficult to form, even if the robot is successfully sold, the important components are also from the inlet, Only a very small number of enterprises have the ability to carry out the independent R & D of a class of components, which leads to a vicious circle of the market that must be sold more expensive than the foreign products. 

The lack of the core component is the dilemma and the key point of the domestic industrial robot, which makes the industrial robot in China carry heavy burden from birth to a dilemma. The difficult situation of industrial robots will greatly affect chinese intelligent manufacturing, smart manufacturing industry, also affect industrial computer, embedded computer development.

In general, industrial robots have three major components, such as a speed reducer, a controller, and a servo system, respectively. In most of the robot products, they account for more than half of the total cost of the robot. Luo Baihui, a research expert of the robot industry, once analyzed the cost of 35%, 14% and 13%, respectively, of a common domestic 50-kg industrial robot, a speed reducer, a servo motor and a servo drive. 

If the robot is seen as a person, the controller is equivalent to the robot's spine and the brain. a controller of a serial or parallel architecture with a flexible, programmable system for controlling the robot to complete the task or to assist the human being in the task. In comparison, the gap between the domestic and foreign countries is the smallest, because the technology difficulty is not big, so some of the mature robot companies in the country can develop independently. 

The speed reducer is more like the joint of the hand, foot and whole body of the robot, which is the most basic mechanical part, which helps the robot to turn and call the whole, and the robot speed reducer is mainly divided into the RV speed reducer and the harmonic speed reducer. At present, 70% of the world's precision speed reducer market is occupied by the Japanese Hammerna and Naboteg, especially in China. The high-quality speed reducer with better foreign brand quality will take 2-3 times of the price in the country to purchase it. Fortunately, the national speed reducer in the two years is also a great development, especially for gas. For example, in 2017, the market demand of the national speed reducer is about 300,000, the domestic speed reducer accounts for about 20% of the market, and the demand for the foreign speed reducer is reduced to below 80% by nearly 85% in 2016. 

It is believed that in the near future, the two figures will be getting closer. Practitioners generally believe that the living environment of the core components of domestic robots is the most difficult, the technical gap is the largest, or the servo motor system. The servo motor is the execution unit of the robot, which influences the main factors of the working performance of the robot. The European and American servo overload capability, led by Siemens, Rockwell, etc., is strong, dynamic performance is good, while the Japan-based brand, such as Anagawa Matsushita, is a small, price-friendly, and so on; as for domestic, while some domestic manufacturers seem to be able to produce servo motors, but the reliability can not reach the requirement, the failure rate is too high, and few robot manufacturers dare to use. In our country's servo market, the technology and performance are relatively advanced products, with a good price/ performance ratio of nearly 60% of the Chinese market, followed by the Europe and the United States and Taiwan, occupying 20% and 10% respectively, while the market share of the domestic servo motor is from 2015 to 2017, There's less than 20% of the share. 

The heavy organ of the State is not to be given to. It is the key factor to make these core components realize the localization, high-end, increase R & D investment, and improve the core technology ability. It is the key factor to get through the problem of the domestic robot, and to solve the difficulties of the rise of the brand of the national robot. The way to the rise. Only in this way, domestic industrial robots can reduce manufacturing cost, maintain better stability and brand word-of-mouth, and improve our market competition rate at home and even in the world.

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