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          Analysis on the Technical Application and Development of Pneumatic Components
          Author:管理員 ?? Posted on:2020-12-09 09:10:54 ?? 文字:【big】【medium】【small】Browse (128)
          Summary:The application of pneumatic components is mainly in two aspects: maintenance and matching. The expansion of the application of pneumatic technology is a symbol of the development of the pneumatic industry......

          The application of pneumatic components is mainly in two aspects: maintenance and matching. The expansion of the application of pneumatic technology is a symbol of the development of the pneumatic industry. In the past, the sales of domestic pneumatic components were used for maintenance. In recent years, the share of sales directly as the main accessory has increased year by year. The application of domestic pneumatic components ranges from metallurgical equipment worth tens of millions of yuan to chairs worth only one to two hundred yuan. Railway switch switches, locomotive wheel rail lubrication, train brakes, street cleaning, lifting equipment in special workshops, military command vehicles, etc. all use specially developed domestic pneumatic components. This shows that pneumatic technology has "penetrated" into all walks of life and is expanding day by day.

          Although my country's pneumatic industry has reached a certain scale and technical level, it is far behind the international advanced level. The output value of pneumatic products in my country only accounts for 1.3% of the world's total output value, which is only 1/21 of the United States, 1/15 of Japan, and 1/8 of Germany. This is not commensurate with a country with a population of more than 1 billion. In terms of varieties, a Japanese company has 6,500 varieties, and my country has only one fifth of it. There is also a big gap between product performance and quality level.


          Combined with electronic technology, a large number of sensors are used, and pneumatic components are intelligent. Cylinders with switches have been widely used in China. The switches will be smaller in size and higher in performance. They can be embedded in the cylinder body; some of them also have a two-color display that can show position errors and make the system more reliable. Using sensors instead of flow meters and pressure gauges can automatically control the flow and pressure of compressed air, which can save energy and ensure the normal operation of the device. Pneumatic servo positioning systems have already entered the market. The system uses a three-position five-way pneumatic servo valve to compare the predetermined positioning target with the detection data of the position sensor, and implement negative feedback control. When the cylinder has a maximum speed of 2m/s and a stroke of 300mm, the positioning accuracy of the system is ±0.1mm. Japan successfully trial-produced a new type of intelligent solenoid valve, which is equipped with a logic circuit with a sensor, which is a product of the combination of pneumatic components and optoelectronic technology. It can directly receive the signal from the sensor. When the signal meets the specified conditions, it can complete the action by itself without going through the external controller to achieve the control purpose. It has been applied to the conveyor belt of objects, which can identify the size of the objects to be transported, so that large pieces can be sent directly and small pieces can be distributed. (Test article)

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