At the same time, the attention of a series of relevant national policies to the machine tool industry has also become another driving force for the transformation of the machine tool manufacturing industry.
Following the "Several Opinions of the State Council on Accelerating the Revitalization of the Equipment Manufacturing Industry", the development of high-end CNC machine tools and basic manufacturing equipment has been included in the 16 key points, and the state's attention to the machine tool industry has not stopped. On December 24, 2008, the State Council executive meeting reviewed and approved in principle the “Important Program for the Implementation of High-Quality CNC Machine Tools and Basic Manufacturing Equipment Technologyâ€. According to the goal plan, by 2020, China will form the independent development capability of the main products of high-end CNC machine tools and basic manufacturing equipment. The overall technical level will enter the international advanced ranks, and some products will lead the world internationally; establish complete functional parts research and development and supporting capabilities; aviation About 80% of high-end CNC machine tools and basic manufacturing equipment required for aerospace, marine, automotive, and power generation equipment manufacturing will be based in China.
The potential of automation technology highlights the machine tool industry
The degree of automation of machine tool products has a crucial impact on the speed and accuracy of machine tools, and has become an important factor in distinguishing machine tool grades. Advanced automation technology and products will undoubtedly become an important direction for the transformation of machine tool manufacturing industry, and its development potential will be highlighted in this change.
In machine tool products, especially high-end machine tools, automation technology and products are used in almost every part of the control mechanism, actuators and measurement and feedback mechanisms. At present, almost all kinds of automation products used in machine tools and machine tool production lines In the midst of new changes. As the control center of medium and high-end machine tools, the numerical control system includes various technologies such as motion control, intelligent technology and self-diagnosis. Multi-axis and multi-system numerical control devices have been developed and put into use. The control method of servo system is gradually From the conventional signal type to the bus type transition; servo drives and motors are also developing in the direction of digitization, communication and intelligence.
In this regard, many cutting-edge automation technology trends have also emerged. For example, the application of linear motors and torque motors is a good example. Most of the gantry rails of Mazak and Mori Seiki are no longer using rolling guides, but instead of linear motors, THK's linear motors can reach 720m/min under 3000N load, which is not to be said. A breakthrough. Torque motors were previously only available on small form factor machines and are now available for larger and larger machine sizes. The maturity of these technologies is also constantly improving the performance of machine tools.
Domestic automation industry needs to seize opportunities
Faced with the severe economic situation, the infrastructure industry, which is encouraged and supported by rail transit and electric power, is becoming a hot spot of concern, and the machine tool industry is undoubtedly the beneficiary of the rise of these infrastructure industries. If you can wait for opportunities to seek steady development in this field, it is also a good opportunity to seize the crisis. This is not only for international manufacturers that already have an advantage in the field of automation, but also for some domestic automation companies with potential for growth.
The field of numerical control systems is well represented in this respect. Although in the field of numerical control systems, domestic companies have not been dominant, but in the past two years, the market share of domestic CNC systems has been steadily improved. According to the person in charge of the CNC System Branch of China Machine Tool Association, there are 30 to 40 major manufacturers of CNC systems in China, which has formed a scale that cannot be neglected. The development and improvement of products have also made significant progress.
In order to meet the supporting requirements of the numerical control system, the weaker place of the domestic brand has been compensated. A group of enterprises have also developed the AC servo drive system and the AC spindle servo control system, and completed the 20-200A AC servo system and The development of the matching AC servo motor series spectrum has formed a series of products and mass production capacity. And compared with some international manufacturers, many domestic CNC systems can be opened to domestic manufacturers, which is convenient for secondary development, which is also available for competition.
Of course, in the field of automation, domestic companies still have many disadvantages that cannot be reversed. As international manufacturers still occupy the dominant position of technology and market, they can still consolidate their vested advantages through high-end product technology restrictions and price competition for low-end and mid-end products. Domestic enterprises also have their own limitations in terms of product quality and supporting performance. If they want to truly use these opportunities, they will have to pay more patience and more efforts.
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