According to the development trend of China's plastic products and the need for product structure adjustment and the actual situation of China's press industry, relevant parties suggest that in the coming period, the press industry should focus on solving the following five aspects of technical issues.
I. Stretching, compounding and foaming of polymer materials Technical issues The stretching, compounding, and foaming are extremely important technologies in plastic molding, involving raw material formulations, molding processes, plastic machinery, and plastic molds. According to the market demand, biaxially oriented film forming technology and equipment should be focused on to make it practical and commercialized.
Second, flat extrusion molding process and equipment molding technology with "T" type (or hanger type) head as the symbol, in recent years, foreign rapid development, and mature, perfect, its importance and in the plastic processing accounted for The component is rising rapidly.
In China, such technologies and equipment are in the initial stage of development, and most of the equipment is blank. This technology focuses on the study of the machine head, cooling, and calendering device manufacturing. On the basis of the development of single-layer sheet production technology and equipment, the coextrusion sheet production technology and equipment have been developed.
Third, the principle of electromagnetic dynamics and application of electromagnetic dynamic extruder for the world's first, in a certain range of certain products have been successfully applied (such as for small and medium-sized blown film production). The extruder saves energy, saves material, and economic and social benefits cannot be matched by other technologies. In addition to the need to solve the corresponding molding equipment, this technology still has to solve the problems of high-speed and high-efficiency heat balance in the theory of electromagnetic dynamic extrusion and improve the plasticizing ability and quality of high-molecular-weight materials.
IV. On-line inspection and automatic control technology In the developed countries of the plastics industry, the digital, intelligent control and proportional or servo system technology of injection molding materials has matured and is rapidly updated; the extrusion molding equipment realizes full-line on-line control and online The detection device establishes a feedback system.
Fifth, the establishment and application of computer computer CAD/CAPP/CAM system has been widely applied in foreign countries. The country also has basic conditions and should actively promote popularization and application.
I. Stretching, compounding and foaming of polymer materials Technical issues The stretching, compounding, and foaming are extremely important technologies in plastic molding, involving raw material formulations, molding processes, plastic machinery, and plastic molds. According to the market demand, biaxially oriented film forming technology and equipment should be focused on to make it practical and commercialized.
Second, flat extrusion molding process and equipment molding technology with "T" type (or hanger type) head as the symbol, in recent years, foreign rapid development, and mature, perfect, its importance and in the plastic processing accounted for The component is rising rapidly.
In China, such technologies and equipment are in the initial stage of development, and most of the equipment is blank. This technology focuses on the study of the machine head, cooling, and calendering device manufacturing. On the basis of the development of single-layer sheet production technology and equipment, the coextrusion sheet production technology and equipment have been developed.
Third, the principle of electromagnetic dynamics and application of electromagnetic dynamic extruder for the world's first, in a certain range of certain products have been successfully applied (such as for small and medium-sized blown film production). The extruder saves energy, saves material, and economic and social benefits cannot be matched by other technologies. In addition to the need to solve the corresponding molding equipment, this technology still has to solve the problems of high-speed and high-efficiency heat balance in the theory of electromagnetic dynamic extrusion and improve the plasticizing ability and quality of high-molecular-weight materials.
IV. On-line inspection and automatic control technology In the developed countries of the plastics industry, the digital, intelligent control and proportional or servo system technology of injection molding materials has matured and is rapidly updated; the extrusion molding equipment realizes full-line on-line control and online The detection device establishes a feedback system.
Fifth, the establishment and application of computer computer CAD/CAPP/CAM system has been widely applied in foreign countries. The country also has basic conditions and should actively promote popularization and application.
Everich Houseware Co., Ltd. , http://www.thermoscn.com