Discussion on the Application of Numerical Control Technology in Machinery Manufacturing Industry

Abstract: History has entered the 21st century. The entire international machinery manufacturing industry has basically realized the application of program control technology, which has greatly improved the efficiency of machinery manufacturing, improved the quality of mechanical products, and enhanced the satisfaction of its mechanical products. The ability of market demand and the competitiveness of the market, most countries with strong Western economic strength have actively promulgated relevant policies to promote the development of the CNC machine manufacturing industry and the improvement of its technical level, and promote the modern machinery with the basic purpose of CNC technology. The manufacturing industry has become the basic way for all developed countries in the world to promote economic prosperity and strengthen the country's overall strength and national prestige. This paper explains the value and implementation status of applying CNC technology to the field of mechanical production in China, and explains the major achievements in the field of mechanical production after the application of numerical control technology.

Key words: numerical control technology; mechanical manufacturing; industrial development; application

In the field of mechanical equipment manufacturing industry, more than half of the employed people in our country are employed. The progress and glory of the mechanical equipment manufacturing industry can greatly improve the quality of life of the people, reduce the employment burden, and promote the society. Harmony and unity are also the necessary conditions for China's economic construction and social progress. It is a comprehensive display of the overall strength of a nation. As the process of world economic integration is accelerating, our country is gradually becoming the core area of the world equipment manufacturing industry. However, in contrast to Western countries with strong economic strength, our national machinery and equipment manufacturing industry is not only manufacturing technology, production. The scale shows a serious backwardness, and our mechanical manufacturing equipment is also extremely backward. The level of intelligent control in the production process is also very low. The management of mechanical equipment manufacturing enterprises is also very extensive, and there is no spontaneous development. The products and modern processing technology, etc., and there are still many defects in high efficiency, high quality, small cost, and thoughtful service items.

1. Application status of numerical control technology

Our country began in 1958, relying on some scientific research institutions, some engineering universities and a small number of machine tool manufacturing enterprises began to implement the research and development experiment of numerical control process equipment. After implementing the large opening pattern of the economic system, our country's CNC process has achieved fundamental progress. After a period of introduction of foreign advanced production technology, as well as a large number of research and application work in the future, coupled with the technology research and development process led by relevant national industry management agencies, the development and application of CNC technology in our country's machinery manufacturing industry. Breakthroughs have already emerged.

At present, there are many types of CNC products that have been inspected and reviewed by the competent national authorities. In the 1980s, they experienced rapid development. Many mechanical equipment manufacturers completed the production from ancient production processes to modern CNC processes. The transition process of the process.

2, the development trend of equipment manufacturing CNC technology

2.1 There has been a new trend of high-efficiency, high-precision machining technology and high-precision products. In the high-class car production industry, the production process of 300,000 units per year is equivalent to the production time of each car is only 40 seconds. And multi-type product production is one of the difficult issues that must be dealt with in the car production line business; in the field of aerospace components production, most of the devices produced are thin inner walls and thin steel bars, and their rigidity is extremely lacking. The materials are generally aluminum or aluminum alloy materials. Only in the state of extremely fast cutting efficiency and small cutting force level, processing and shaping can be performed for such ribs and sidewalls. For a period of time, the use of wide-type single-aluminum alloy material "hollowing" means to process the wide-wing parts of the aircraft's wings and the body to replace many parts and components according to the cumbersome connection rivets, bolts and other types of docking modes. This greatly increases the overall strength, rigidity and stability of the machined parts.

This adds to the demanding standard conditions of high efficiency, strict precision and high plasticity for the processing technology of mechanical parts. In order to achieve efficient and strict precision mechanical equipment production process, and its closely related performance devices, such as motor drive shafts and linear motors, have made leap-forward progress, and the scope of application has been expanded.

2.2 Five-axis integrated processing and multi-function CNC machine tools develop rapidly Selecting five-axis integrated operation For the shaping of three-dimensional curved surface parts, it is suitable to use the most suitable geometry of the cutting tool to carry out the cutting process, not only its smoothness, but also its high degree of smoothness. And its processing efficiency is also greatly improved. Under normal conditions, a five-axis integrated CNC machine tool should have the same processing efficiency as two three-axis type combined machine tools, especially milling tools with hard materials such as cubic nitride for high-efficiency milling and hardening. In the case of steel parts, the five-axis type machining operation should exhibit better work than the three-axis type process.

However, due to the complicated structure of the five-axis type CNC machine, the purchase price of the five-axis type CNC machine is several times higher than that of the three-axis type CNC lathe, and the programming process is very difficult. Greatly hindered the promotion and application of the five-axis unit type machine tool.

2.3 Intelligent, open and networked become the main trend The CNC equipment in the 21st century will be a system with certain intelligence, and the intelligent content is included in all aspects of the CNC system. In order to pursue the intelligentization of processing efficiency and processing quality, such as adaptive control of the machining process, automatic generation of process parameters; intelligentization for improving drive performance and convenient connection, such as feedforward control, adaptive calculation of motor parameters, automatic Identify the load automatically selected model, self-tuning, etc.; simplify programming, simplify the operation of intelligent, such as intelligent automatic programming, intelligent human-machine interface.

In order to solve the problems of the traditional CNC system sealing and the industrial production of CNC application software, some famous CNC machine tools and CNC system manufacturing companies at home and abroad have introduced related new concepts and prototypes in the past two years, which also reflects the numerical control. The trend of machine tool processing to the direction of networking.

3, the conclusion

In short, CNC technology has become the core of advanced manufacturing technology, and is the basis for automation, networking, flexibility and integration in manufacturing. Practical high-speed machining technology follows the introduction of advanced CNC automatic production lines, cutting tools, CNC machine tools, and is widely used in machinery manufacturing. The overall level of CNC equipment has gradually become a national industrial modernization level and the strength of comprehensive national strength. Only by adopting effective competitive strategy and countermeasures can China's machinery manufacturing enterprises remain invincible in international competition.