Development of Plastic Extrusion Dies

The polymer extrusion industry in China has been developing rapidly in recent decades. Since the reform and opening up, the polymer processing machinery and mold industry have achieved remarkable achievements. The annual average growth rate is higher than the total growth rate of the national economy. More than two digits. Since 1996, the output of China's polymer products has been ranked second in the world. In 2000, the output of China's polymer products reached 21 million tons, and the industrial production value of polymer processing machinery was 8.529 billion yuan. In terms of basic theory, Chinese scholars have made greater contributions. Prof. Zhu Fuhua from Beijing University of Chemical Technology and Professor Peng Yucheng from South China University of Technology led two research groups and began to study extrusion in 1978. After more than 20 years of hard work, it has achieved a series of results in polymer processing visualization technology, extrusion theory and application, and has made its own contribution to the development of extrusion processing technology. With the development of computer technology, the application of CAE technology to the extrusion process has also been booming. There have been many softwares that simulate the screw extrusion process, such as EXTRUD, POLYFLOW, FLOW2000 and so on. However, there are still some problems in these softwares. In some cases, there is a big gap between the simulation results and the experimental results, and further theoretical research support is needed for improvement. ---------------------------------------- Qingdao Hetai Plastic Machinery Co., Ltd. 0532-87271708