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介绍了气体辅助注射成型技术特点,说明了气辅成型工艺中高压气体注入的时间－压力控制曲线,最后讨论了气辅成型制品中气体冲破熔体前峰缺陷的形成原困和防治方法。
The gas-assisted injection molding technology is introduced. The time-pressure control curve of high-pressure gas injection in gas-assisted injection molding process is described. Finally, the formation and prevention and cure methods of gas breakthrough in melt-assisted gas injection molding are discussed.