“From the big robot country to the powerful robot country, the development of core components is the keyâ€. Talking about the future of China's robot industry, Wang Jianru, deputy general manager of Harbin Institute of Technology Robotics, said.
The 2016 World Robotics Congress is being held in Beijing. Robotic fish, robotic dogs, and beautiful robots... The various kinds of robots appeared in the exhibition space of 40,000 square meters in the International Convention and Exhibition Center. Only last weekend, more than 100,000 people came to the scene.
The picture shows the people visiting the nano-operating robot. Nanobots can be operated in very small scales. Zeng Yushe
Data show that China has become the world's largest industrial robot market for three consecutive years. In 2015, China’s industrial robot sales reached 68,000 units, accounting for a quarter of global sales. Behind the dazzling robots, where is the development of Chinese robots going?
Breaking the "reducer" foreign monopoly Chinese experts hope that "curve overtaking"
Into the industrial robot exhibition area of ​​Harbin Institute of Technology, a row of "small discs" shaped like gears stand by the wall. Compared with the beauty robot that holds the cake next to it and is besieged by the flash, it seems a bit deserted.
One of the seemingly inconspicuous "small discs", called the reducer, is called the "core in the core components" of the robot. But for a long time, the technology has been monopolized by foreign companies, hampering the development of the Chinese robot industry.
As a core component of industrial robots, precision reducer technology has been monopolized by foreign companies. The picture shows the “precision cycloid reducer†independently developed by Harbin Institute of Technology Robotics Group, which is expected to break the foreign monopoly. Zeng Yushe
According to Wang Jian, reducers, controllers and servo motors are the three core components of industrial robots. Due to technical constraints and other reasons, precision reducers are heavily dependent on imports.
"Robots will change their lives and even change the war. China must have its own core technology." In keeping with this philosophy, Wang Jian and the team have been working on the research of reducers for many years, a self-developed "precision cycloid reducer" "This year officially began to apply.
The reducer is used to precisely control the movement of the robot, which can transmit a larger torque and is installed in the joints of the robot. At present, there are RV reducers in the mainstream, which are larger in size and more loaded in heavy load positions such as machine base, boom and shoulder; and harmonic reducer, which is relatively simple in structure and is usually installed on the arm, wrist or hand. Wait for the location.
The 2016 World Robotics Congress is being held in Beijing, with 150 Chinese and foreign robots unveiled. The picture shows the public visiting the industrial education robot, which can realize the teaching of common industrial applications such as robot palletizing. Zeng Yushe
Compared with these models of foreign companies, the "precision cycloid reducer" developed by Chinese experts combines the advantages of RV and harmonics to overcome the problem that the RV reducer cannot be miniaturized. On the basis of ensuring performance, The size has been reduced, the structure has been simplified, the cost has been reduced, and a completely self-contained closure has been achieved to prevent secondary pollution.
"It is expected to break the long-term monopoly of foreign companies." Wang Jian, who is rigorously worded, used the word "promising" because it still faces a difficult problem: mass production.
Wang Jian said that monomer production has no problem, but China lacks special equipment that can be mass-produced. At present, the team is developing special equipment, which will be available as soon as next year. "I hope to achieve 'curve overtaking'," said Wang Jian.
Nanobots debut in educational robots
Unlike many "big behemoths" that swing their arms and arms, there is a small box that "hidden" in the glass cover, which has caused many people to be curious - this is the nano-robot.
Nanotechnology is the commanding height of robotics development. Academician Sun Wei and the team of the Canadian Academy of Engineering made a breakthrough in this field. The nano-operated robots they developed are the only nano-operating systems with displacement feedback sensors in the world.
These "small squares", although simple in appearance, contain great wisdom. According to the on-site staff member Zhu Junhui, compared with traditional robots, nano-manipulating robots can be described as “super-sensitive, ultra-high-precisionâ€, which can be operated in a very small scale, that is, within the range of motion above centimeter to ensure the nanometer below positioning accuracy.
Most critically, the application of nano-robots will lead the innovation of the medical industry. According to the reporter's understanding, through nanotechnology, atomic-level drugs can be imported into cells, and in the future, robots can be implanted into skin, blood vessels, etc., and difficult surgical operations can be completed.
In addition to the technological revolution, behind the robot boom, the talent gap has also become an expert concern.
According to Zhang Mingwen, vice president of Harbin Institute of Technology Robotics, there is a certain gap between the overall technical level of Chinese robots and foreign countries. However, China has a lot of experience in robot operation and needs to pay attention to the cultivation of talents.
He emphasized that accumulating professional talents is the key to technology development and real application of technology. According to reports, Harbin Institute of Technology Robotics Group is focusing on the industrial robot education industry.
Simply put, industrial education robots can demonstrate a variety of industrial application functions based on teaching needs. For example, a six-axis robot integrated training platform can realize teaching of common industrial applications such as robot palletizing; horizontal joint robot integrated training platform, small and lightweight, including robot vision system, etc., can be programmed and operated.
"It's not that light development, production of a robot, the key is to let people operate and achieve applications," Zhang Mingwen said. (Reporter Zeng Wei)
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