Development Process of Hot Runner Technology
- Details
- Category: Molybdenum knowledge
- Published on 27 March 2015
- Written by limei
- Hits: 522
Back in December 1940, the United States made a runner E.Rknowles on the technical principles of the invention patents. From the mid-1980s to the 1990s, the United States in the production of plastic injection mold hot runner mold, up from the initial 15% -17% to 40%, and accounted for more than 90% in large parts of the injection mold.
After the oil crisis in 1973, hot runner injection molding technology conform savings in raw material costs, the demand for low cost and environmentally friendly production, has been developing rapidly. But then hot runner technology is not perfect, hot runner nozzles are easily clogged, poor temperature control sensitivity, leading to a drop in demand, there has been stagnation phase. After that, with the increase in hot runner technology development funds, the quality has improved, and now has matured hot runner technology. Large market size hot runner system, almost all thermoplastics can be applied hot runner technology.
China since the 1980s, under the support of national policy, the development of hot runner technology gradually. Early domestic hot runner technology focuses on exploring the gradual application of aspects of hot runner technology in recent years has been gradually extended. Henan, Shanghai, Zhejiang and other places have set up a hot runner technology research and development related to the fund by overseas customers and the world-renowned supplier of hot runner technology, domestic manufacturers have mold hot runner technology used in mold manufacturing, China has emerged a lot of hot runner. Good prospects for the future development of hot runner technology,
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