China's pneumatic industry has maintained a good economic operation since the late 1990s through product structure adjustment and improvement of operation and management, with steady and sustained production growth. The sales revenue growth of the pneumatic industry in recent years is shown in the figure
The development of domestic pneumatic components has experienced three stages: joint design, technology introduction and independent development. In recent years, according to the market demand, many new products have been developed. Common pneumatic components include: elliptical cylinder cylinder, parallel double rod cylinder, multi-stage telescopic cylinder, new gas-liquid damping cylinder, energy-saving booster cylinder, vibration cylinder, new clamping cylinder, pneumatic pilot pressure reducing valve, etc
Pneumatic components for special purposes include: automobile exhaust gas purification system, environment-friendly automobile gas system, electric locomotive pantograph lifting air control system, automobile brake air control solenoid valve, high-speed train grease spraying solenoid valve, high-frequency solenoid valve for textile and printing, special cylinder for railway switch, special cylinder for oil and gas pipeline valve, special cylinder for aluminum magnesium industry, special cylinder for woodworking machinery, gas control production line for colored cement tiles, etc. The development and application of these products have expanded the application field of pneumatic products and brought good economic benefits to enterprises. New products are developing towards high and new technology, such as high-frequency solenoid valves, with operating frequency of 10~30Hz, * up to 40Hz, durability? 300 million times, close to the international level;The development of the pneumatic electric converter has laid the foundation for the realization of the pneumatic electric feedback control, and has raised the pneumatic technology to a new level. In the development of new products, new technologies, new materials and new processes are increasingly used, such as the application of industrial ceramics in gas valves, which greatly improves the technical performance, working reliability and service life of valves
According to incomplete statistics, in recent years, more than 40 member units of the Pneumatic Branch have carried out technical transformation to varying degrees, improved the equipment level, and popularized advanced equipment such as numerical control machine tools. Establishing a quality assurance system is the focus of improving enterprise management in recent years. Most of the member companies have passed the ISO9000 quality management system certification. The internal quality and appearance quality of many domestic pneumatic components have approached the foreign level. In terms of standards, the pneumatic sub committee of the Standardization Committee reported six national standard formulation plans in 2003, two of which were approved by the National Standardization Administration Committee. The Pneumatic Sub committee also actively participated in the work issued by ISO International Organization for Standardization. In the past two years, it has translated, reviewed and voted on five draft international standards, sorted out all industrial standards, national standards and international standards related to pneumatics, and published the current effective standard catalogue, which is helpful for enterprises to implement standards and transform to international standards
Statistics show that the enterprises in the industry that have been transformed from state-owned enterprises to joint-stock enterprises have experienced a period of reform and adjustment, and most of them have added new vitality. In 2002, the output value, industrial added value, sales revenue and profit have all increased significantly compared with the same period of last year. In recent years, foreign-funded enterprises have grown rapidly, and their scale, output value, sales, profits, and technical level are playing an increasingly important role in the industry
The management level has been further improved In the fierce market competition, the enterprise has re studied the market positioning, and made great progress in adjusting the product structure, improving the process flow, and strengthening cost management. Some enterprises have strengthened material procurement and collaborative processing management, and implemented target cost management, which is conducive to ensuring quality and reducing costs. Some enterprises have started to implement ERP management
After SMC of Japan invested 300 million dollars to build a factory, Taiwan's Adek Company invested 50 million yuan in the first batch to build a pneumatic component factory in the mainland, and will further expand. The development of this trend is likely to make China gradually become one of the processing bases of pneumatic components in the world. Under the guidance of the country's policy of expanding opening up to the outside world, it will accelerate the attraction of foreign capital, and at the same time, it will bring in various highly automated production equipment, which will promote the development of the domestic pneumatic market, and will attract more foreign pneumatic companies to invest in China, forming a virtuous circle
The increase of foreign-funded enterprises will bring about a major adjustment in the industrial structure. Some of the existing small enterprises will develop into enterprises with certain strength, with distinctive products and occupying a number of market territories;Some enterprises have been reorganized to become accessory parts processing plants for large and medium-sized enterprises;Supporting parts manufacturers will become a strong force in the industry, with a higher degree of specialization. For example, coils, piston rods, cylinder barrels, pistons, end caps, cylinder mounting parts, rod end connectors, valve cores, valve bodies, filter elements, shells, springs, diaphragms, etc. will be professionally produced, with high quality and low price, and broad export prospects. Some enterprises will change production or be eliminated in the market competition
The adjustment of industry structure will inevitably bring about sustainable economic development. It is estimated that the output value of pneumatic products (including foreign-funded enterprises) in mainland China will reach 5 billion yuan by 2010, with an average annual growth rate of about 15%
Most of the newly developed products of pneumatic components are of high level, which shows the improvement of the level of technical personnel and process equipment in the industry and lays a foundation for future product development. With the development of national industrialization and automation, in the next few years, with the support of the state, powerful enterprises will successively develop new products to adapt to the development of pneumatic technology, such as products and systems of pneumatic electromechanical integration, pneumatic components with fast response and long life, membrane precision filters with large flow, integrated valves with advanced wiring technology, Combined components with sensors and logic circuits, and products that can give full play to the characteristics of air pressure, etc
With the improvement of calendering, drawing, casting, machining, cleaning and deburring, assembly and testing technology, the appearance and internal quality of pneumatic components will also continue to improve. Industrial ceramics, high-performance soft magnets and new plastic packaging materials have been used in new products. In the future, more and more new materials will be used to further improve the performance, quality and working reliability of domestic solenoid valves and other components. It is estimated that after 5 years, the service speed of domestic cylinders will be increased to 1.5~2m/s, the reversing frequency of valves will be increased by 1~1.5 times, and the flow of air source processing elements and valves will be increased by 1 time on the premise of little change in external dimensions
The economic benefits were further improved. In 2003, the domestic pneumatic components * * participated in international exhibitions abroad, which was well received by foreign manufacturers. Some domestic components have preliminarily met the conditions for batch export, and have great advantages in price. In the future, the export is expected to increase significantly. It is estimated that the export value of domestic components (excluding foreign-funded enterprises) will increase from the current 33 million yuan to about 100 million yuan in five years, with an annual growth rate of about 25%. With the improvement of enterprise management system, professional production level and market order, the economic benefits of the industry will gradually improve. In a word, as a convenient and cheap automation component, pneumatic components have a good development prospect. Pneumatic products not only have a large market in traditional fields such as electromechanical, textile and household appliances, but also have broad development space in emerging industries such as information technology industry, biological products industry, micro nano fine processing and other fields. Being down-to-earth and looking into the future, with the joint efforts of the industry, China's pneumatic industry will surely enter a new world
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