Sun Yinghui Nanjing Changjiang Machinery Group Co., Ltd. 210037 Guan Yu words machine tool industry CNC machine tool CNC technology process technology CNC machine Song's manufacturing capacity = now (3), exhibition and application and the defense root construction of the real root, = 2 important handle, The amount of technical development of the machine tool industry has put forward a higher 3 base 512, the progress, with each line of sub-pair = home field of a new year, surgery, and 尬 面 = 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓 褓A brief history of the development of China's machine tool industry technology is about ten =, from the beginning of zero to listen to their own plant industry =, the development of high-precision precision machine tools and the development of heavy-duty machine tools in the years 3. Development of efficient special specialized machine tools and automatic lines 17 Chasing the world's advanced level of the technology leap and development of CNC machine tools from the end of the generation to the present + CNC technology is the generation of advanced manufacturing in the economic globalization today, the development and application of CNC technology, will be in the depth of the standard Production mode industrial structure and management mode. In the world, the machine tools in the world are not, the exhibition, to the time of the seven-year-old Jin Dynasty shouting Wei Weiwei's self-contained application. In the past ten years, China's CNC machine tool technology has been greatly developed. The status quo of China's machine tool industry technology At the time of the 10th century, the situation of China's machine tool industry has undergone a preliminary but huge change. In terms of product structure, this line, which was originally dominated by ordinary machine tools, is constantly adjusting its product structure. After several years of development, the quality level of 7 CNC machine tools has made breakthrough progress, the numerical control rate of output value has reached 2, and the reliability index of the product has reached nearly 400 hours, which is close to the international advanced level. In particular, in recent years, China's machine tool industry has adapted to the needs of the country's economic development. 'Accelerated the development and research of CNC machine tools. For the development of the country, I have developed an economical CNC machine tool featuring stepper motor drive. The lathe drilling machine below the medium specification has a proportion of the bed type, and in the future phase, the domestic market in the country is approved for domestic use; the field; the number of files in the bed 3 will continue to increase year by year, and the development of the journey 1200 coffee is now 1 The bed is produced. In the general-purpose CNC machine tools that have been popularized, the development of the exhibition has been carried out. CNC overweight mode = diameter 63, outside the CNC lathe and turning center under the coffee 4; sex = 3 = flexible production rate and quality of the axis CNC unit or machining center for ultra-precision machine tools; = red 5 control tools, etc. Batches of advanced and applicable products, especially the numerical control field of gear machine tools, have been developed rapidly by users 5 from the number of machine tools, and these products have gradually and steadily entered the design of the city Song industry = ± since the machine tool industry has actively expanded and international exchanges Cooperation, the machine has significantly improved the level of activity, and has continued to develop to a higher level. The expansion of exports has also led to the development of technology and the first stage of the 13-life rapid development, along with the letter. The rapid development of technology and its digitalization of digitization=1 have developed rapidly and have made manufacturing increasingly digital. Software technology will use (2) to use 'and will transfer the complexity of the hard and mechanical components to the software to achieve the skills. In the hot-seal manufacturing, China will not fall behind the world. The main technical achievements of China's machine tool industry. Ren Jilian’s recent increase in the number of large-scale production of large-scale production has also changed the structure and technical level to launch the development of suitable products. At the turn of the century, the development of machine tools has completed the industry's long-cherished wish for decades, mainly now =1 the development of CNC systems and machine tools, and the technology has matured. At present, there are about ten cooperating machine tools for the manufacture of a variety of products, and the commercial production of 5= Song turning center. The precision of these machines can be developed and produced by some key core components. The indicator has made a major breakthrough. The processing of the large-scale sand processing technology for the air-punching shape of the casting machine by the heart of the master has been steadily developed in the technical fields such as the tool precision coordinate measuring machine. 4, the bed is rapidly developing to adapt to the high-speed development, and the machine tool structure is increasingly active in linear applications to increase its seismic resistance and thermal stability.

mcADcmmt, buy shape modeling tool path file entity, post-processing automatic transfer and direct processing 3 to build a mutual LAN, using fiber-optic cable communication and multimedia technology to achieve real-time image monitoring and real-time management on the workstation. New progress has been made in the development of machine tools for the virtual axis mechanism of the parallel rod system.

It can be seen that the development and research of the digital control industry technology has reached a new level. We have developed a system that has overcome the long-term plaguity of our reliability and has been popularized in China. Self-developed a variety of special, the ability of the bed to touch the special Wei 5 has the ability to supply a complete set of system servo and spindle drive.

In the past (3) I have made the research and development of technology as an important part of the overall strategy of national economic development and have become portable and compatible. It is estimated that people are making full use of the conditions of computer development. Complete and mature. I have to get a good job, and he has a lot of tools. China's machine tool industry lacks conversion and asset restructuring. As China's entry into the country is approaching, it is still very low in the three countries. It is believed that this situation will eventually change its trust to make its city 2=cooked. The majority of users should give full care to the national NC production 1 and 3 2 computers to form a CNC production line, and improve with the production system 4 manufacturing system æ’‡ computer integrated manufacturing system sensitive 1 = 2 = 2 existing CNC system Most of them do not have networking capabilities.

Holding the 2=52 network CNC system, researching the domestic CNC machine tool entry technology, can you master the surgery, for the new situation faced by the key technology work and the challenges faced by the craftsman, the level is the side, the price is low Hair, legs and other computer technology has been widely used in the traditional addition of 1 = 7 new, the first control processing technology is different from the machine accuracy, only secondary processing can achieve the accuracy of the processing position without the need to divide the coarse 2. Wei By cutting the workpiece sub-clip, you can process multiple defects, and sometimes even complete the processing.

31=Or there are several or more spare tools on the tool holder. Therefore, when the workpiece is machined on a CNC machine, the configuration and use of the tool does not need to interrupt the machining process, so that the machining process is continuous.

4.5=The characteristics of the workpiece clamping and the characteristics of the tool configuration during the machining of the machine are different from those of the ordinary machine tool processing. The processing requirements of the gambling towel are particularly detailed.

The following characteristics of CNC machining process decision-making are different from the traditional processing technology decision-making, mainly reflected in the decision-making rules of the processing stage, the different process steps + different from the scattered decision rules.

Process step merges are different from sorting decision rules.

The details of the process steps are different from the simple requirements. 1 The decision rules for cutting amount selection are different.

6 The process specification file format generates different requirements.

Based on the characteristics of the control system, the NC process decision rules are summarized. The 3= type of the basic process of the process decision rule is controlled, so that the automatic creation of the numerical control process can be smoothly performed. The automatic creation of numerical control technology and the drawing process of the process card, etc., which is the generalization of the B-core of the process work, the entire process card of the B-process is = 44, = is strictly in the process of smuggling 32 Artists should strive to learn and be familiar with and master all of these information technologies and applications.

Development and application of manufacturing technology and advanced manufacturing mode, improve the performance of coffee in the entire production disc information, bureau, exchange and production and production of the system to achieve quality integration of money (eight), heart, each enterprise =, 1 cross Gangcheng, the network connection 2, and completed is now; the product is fast and reasonable 2 wide use Niwei, and 4 cloud to the longitudinal swimming universal development; letter, 1 technology in the advanced porpoise is the network technology in addition to the establishment of the internal LAN In addition to entering the enterprise domain network =, to be, a special six. Concluding remarks and automatic = at 91 = special, network technology 5 with = more, ten is 52 = clever and advanced production mode using advanced production technology =, will be made by the old king of mechanical machinery Special =, group = million =, Zhou Yanyou. Some views on the history of China's machine tool industry technology development. 2000, 1 Yang Xuetong. Entered the Chinese machine tool industry in 2000. 2000, 1 Wang Renkang. The challenge that mechanical technologists face. Mechanical craftsman, total 232 Dai Guohong and so on. Research on the creation process of numerical control technology. 2000, 5

(Finish)

Gate Valves are called "full-flow" Valves; there's a direct unobstructed path for flow right through the middle of the valve. A wedge-shaped brass gate is lowered into a machined slot to close the valve. They should either be completely open or completely closed. Water flowing through a partially open gate valve wears away the metal and causes the valve to fail over time.

Gate Valves

Brass Gate Valve, Flanged Gate Valve, High Pressure Gate Valves, Water Gate Valves

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