Analysis of Development Trend of China's Plastic Machinery

Introduction: Plastic machinery plays an important role in plastics production. Since entering the 21st century, China's plastics machinery industry has achieved sustained and rapid development. It is one of the fastest-growing industries in the country, and its major economic indicators rank among the forefront of the national machinery industry. At present, China has 546 domestic plastic machinery manufacturers, and most of the production of injection molding machines, the industry's largest ten accounted for 39% of the total sales of the industry. In the past five years, relying on technology promotion and highly competitive prices, we The manufacturer established the company successfully challenged Germany and Japan, Europe and the United States and other developed markets.

However, China is still an important importer of plastic machinery. As China's plastics machinery enterprises mainly produce low-end plastics machinery, many varieties of plastic machinery production technology are scarce, resulting in generally low export prices of plastic machinery in China, lack of international competitiveness. While the price of imported injection molding machines is more than three times that of domestic machines, and the prices of imported extruders and pelletizers have exceeded 30 times, many plastics machinery manufacturers in the low-end market will withdraw from the market in the next five years.

For a long time, the uniform and fixed specifications of the models and functional specifications of plastic machinery have been unable to meet market demands. Due to the frequent changes in the production of plastic products and the consideration of effective investment in operations, customers need the plastic machinery industry to be able to provide them with the most market-adapted plastic machinery equipment; on the other hand, with the rapid development of industrialization and commercialization, Large-scale and mass production is also an inevitable law of the manufacturing industry. In the future, plastic machinery will develop in five directions:

Intensive efforts to develop precision injection molding machines and precision extruders

At present, precision injection molding machines are mainly foreign brands. At present, 60% of the approximately 20,000 presses imported annually in China are precision injection molding machines. In terms of multi-layer co-extrusion machines, it is still difficult for China's presses to accurately control layer thickness technology compared with foreign presses. Biaxially oriented PET (BO, BOPP) film units and precision medical tube extrusion units in extrusion equipment have also been the domain of foreign companies. It is necessary to develop domestic precision injection molding and extrusion equipment with independent intellectual property rights. On the one hand, it can replace imports, and it can also make China occupy a place in the high-end market of international plastics machinery.

Development of mainframes and microcomputers

China's small and medium-sized plastic machinery types and specifications are relatively complete, but mainframes and microcomputers are still in their infancy. The design and manufacture of large and miniature plastics machinery are closely related to the state's overall level of mechanical manufacturing and material technology. In the initial stage, attention should be paid to the establishment of relevant technical foundations and intellectual property systems. Miniaturization is an important direction for the development of various types of products in the future. More and more market demands are present. Currently, the obvious development momentum in the electronics, information, electronics, medical, and biological sectors is an example. For example, for the production of plastic tube production equipment that replaces human blood vessels with a diameter of less than 0.5 mm, some countries are already in research and development.

Energy-saving plastic machinery development

Traditional plastic machinery also has certain potential in terms of energy saving. The reason is that previous designs often focused on single-machine production capacity. In the design of energy-saving plastic machinery, the production speed is not the most important indicator. The most important indicator is the energy consumption of processing unit weight products. Therefore, it is necessary to optimize the design based on the minimum energy consumption for the mechanical structure, control mode, and operating process conditions of the equipment. Adopting advanced energy-saving technology, the power conversion efficiency of the frequency-conversion speed-regulating motor is significantly higher than that of the conventional electromagnetic speed-regulating motor, DC motor, etc. With the maturity of the frequency conversion speed regulation technology and the reduction of the cost of the frequency conversion speed regulator, in the plastic machinery, special Is widely used in extrusion equipment.

Automation and the development of intelligent presses

Automation and intelligence, the development of intelligent presses will significantly improve the running stability and reliability of presses, and effectively improve the high-quality, high-efficiency and low-consumption production functions of the presses, and realize the unmanned workshop and unmanned The factory provides a solid technical foundation;

Networking and virtualization

Network management technology can be seen as a technology outside the device, but it is inextricably linked with the device. From the auxiliary equipment manufacturers to the host manufacturers, the network management system is regarded as one of the control functions that the equipment can provide. This will promote a higher level of international integrated design and manufacturing, and the implementation of more robust specialized presses.

In recent years, the Ministry of Industry and Information Technology of the People's Republic of China has issued and implemented the major strategies such as the "Technology Progress and Investment in Technology Transformation of the Equipment Industry (2010)", providing a rare favorable condition and an important opportunity for accelerating the revitalization of China's plastics machinery industry. . Enterprises in the plastics machinery industry should seize the opportunity to meet the challenges and make plastics machinery play a greater role in the revitalization of the national economy, and strive to advance the development of the Chinese plastics machinery manufacturing industry from a big country to a powerful one.


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