In recent years, with the advent of international manufacturing automation, domestic industrial manufacturing is accelerating its transformation, and the demand for automation software and hardware equipment is high. In the process, the inevitable market demand for industrial robots is strong. As the rise, robots, as a cutting-edge collection of modern electronics and software technology, are very important for the development of related industries, especially the servo system market.
The so-called servo control system is an automatic control system with mechanical position or angle as the control object, such as CNC machine tools, robots, robots, etc.; for example, Guangdong Topstar, the first brand of manufacturing automation and industrial robot system integrator The key technologies of the servo control technology, mechanical structure design and simulation, motion control and vibration damping technology reached the international level, and won the famous brand products of Guangdong Province. The drive motor used in the servo system is required to have fast response speed, accurate positioning, and moment of inertia (the servo motor used in the electromechanical system has a large moment of inertia, in order to be directly connected to mechanical parts such as a lead screw. The servo motor has a special purpose. The small inertia motor has a very high response speed, but this type of motor has a low overload capability and must be accelerated or decelerated when used in a feed servo system.
According to the survey, in 2010, the sales volume of the Chinese robot market was 14,980 units, and in 2011, it reached 22,577 units, a year-on-year increase of 50.7%. In 2012, the sales volume of industrial robots in China reached 26,902 units, an increase of 19.2% year-on-year. It is estimated that in 2014, the total demand for the Chinese robot market will reach 37,000 units, accounting for 16.9% of the global total, making it the largest market. The huge demand for the robot market and the demand for servo systems are also rising.
Due to the late development of servo system related technology in China, it is difficult to compete with foreign brands. Until 2000, China joined the WTO, and Chinese companies began to independently develop servo systems on the premise of drawing on advanced foreign technology experience. At this point, the market share of China's servo system has increased. By 2011, the market capacity was more than 6 billion yuan, an increase of 22.0% over the previous year. In 2012, the servo market fell by 14.9% due to the impact of the international economy and domestic supply and demand. Until the second half of 2013, the servo market began to gradually pick up, with an increase of around 5%. At present, China's servo system market is still dominated by foreign companies. And a group of domestic enterprises are gradually growing up in the fierce market competition.
Servo Control System For industrial robots, joint-driven motors require maximum power-to-mass ratio and torque to inertia ratio, high starting torque, low inertia, and a wide and smooth speed range. In particular, motors such as robot end-effectors (hands) should use motors with the smallest possible volume and mass. Especially when fast response is required, the servo motor must have high reliability and stability, and have a large short-time overload. ability. This is a prerequisite for the application of servo motors in industrial robots.
With the rapid development of China's automation market, the motion control market, as an important part of the automation market, has continuously improved and matured in products and technology. Since 2005, it has entered a period of rapid development, with an annual growth rate of over 25%. In 2009, due to the overall economic environment, there was a negative growth, but in 2010, it rebounded rapidly, and the growth rate exceeded 60%, which was the highest in the past years. In 2011, the growth rate dropped compared with last year, but there was also a 22% increase. . The servo system market has a market capacity of more than 6 billion yuan in 2011, an increase of 22.0% over the previous year. Compared with the growth rate of 63.6% last year, the growth of the servo market in 2011 has stabilized, thanks to the relevant national economic policies.
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