Domestic plastic machinery technology content is not high, low grade requires "China core" upgrade

The production of plastic raw materials and plastic products is inseparable from plastic machinery. With the rapid development of China's plastics industry, plastic machinery has become one of the fastest growing industries in the machinery industry. In recent years, the growth rate has been around 30%, and the annual manufacturing capacity has reached about 200,000 sets (sets), ranking first in the world. The output accounts for 25% of the world's total output, but the output value only accounts for 9% of the world's total output value. China's plastic machinery still has a market gap of 10 billion yuan every year, and 60% of high-end plastic machinery products need to be imported. So far, the plastic granulating unit in China's large-scale ethylene project, the precision injection molding machine required in electronics and communication engineering, the large-scale injection molding machine and large-scale multi-layer hollow molding machine required in the automotive industry, and a large number of packaging industries The biaxially oriented film production equipment, the multi-layer hollow molding machine, and the precision extruder required in the medical and health field basically rely on imports.
The reason why domestic plastic machinery is mostly low-end products, can not adapt to the needs of producing high-end plastic products, the main reason is the lack of technology with independent intellectual property rights, the lack of "Chinese core." There is a saying in the plastic machine industry that if the domestic plastic machine products are removed from the key components and core technologies imported, the rest is just a pile of steel.
"When a worker wants to do something good, he must first sharpen his tools." The domestic plastic machinery is not high in technical content, low in product quality, and lacks core technology, which restricts the upgrading of China's plastics industry. As pointed out by relevant experts, the market for plastic machinery is mainly in the field of plastic processing, and a considerable number of domestic product companies only produce basic daily-use plastic products and simple industrial products, lacking the ability to use high-tech plastic machines to improve product quality. Only satisfied with general processing equipment. There is no demand for product companies, and the technological innovation of plastic machine manufacturers is difficult to obtain market response. The innovation ability of the core technology of research and development of plastic machine enterprises will naturally be greatly suppressed.
In general, the core technology of press manufacturing provides the most reasonable process conditions and process routes for plastic products. The innovation of plastic machine is inseparable from the formulation and process conditions of plastic raw materials, but due to historical reasons, from industry management to mechanical manufacturing and product production, it is in a serious separation state. Mechanical manufacturing enterprises are biased towards the introduction of electromechanical talents, the improvement of machining conditions, and the neglect of research on plastic processing technology. Without the ability to accurately grasp the characteristics of different raw materials and their processing conditions, there is no technological innovation in the manufacture of plastic machinery.
Developing the core technology of domestic plastic machinery and improving its technical level requires joint efforts of all parties. Plastic raw materials and product manufacturers can not only be satisfied with the production of some low-end products, whether from the society or the needs of the enterprise itself, to improve product quality is a must. As a plastic machine enterprise, it should be closely integrated with plastic production, increase technical input, and develop new technologies and new products, such as the development of sophisticated large-scale injection molding machines, composite and large-scale hollow molding machines. At the same time, we must grasp the application and development of microelectronics technology in plastic machinery, and gradually realize the computer control of basic molding processing machinery and subsequent equipment such as injection molding, extrusion, hollowing, rolling, etc., in order to improve the control level of plastic machinery. These high-end products and control technologies require breakthroughs in core technologies and are the only way for the development of China's press industry.

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