过程参数对气辅成型的影响  

The Effect of Molding Process Parameter ongas-assisted injection molding

作　　者：魏常武[1] 柳和生[1] 周国发[1] 孙懋[1] 

机构地区：[1]南昌大学环境与化学工程学院,江西南昌330029

出　　处：《橡塑技术与装备》2003年第2期1-5,共5页China Rubber/Plastics Technology and Equipment

摘　　要：本文基于Hele-Shaw模型,采用CAE技术,模拟了气辅注射成型中几个重要工艺参数:熔体温度、气体压力、延迟时间、熔体预注射量等对其成型的影响。并用流变学理论进行分析,揭示了各工艺参数对气辅注射成型的影响机理。On the basis of general Hele-Shaw moldel, the simulation of the effect of several important mold-ing process parameters on gas-assisted injection molding process was implemented by means of CAE technequein this paper which involves melt temperature, delay time ,prefilled polymer volume fraction and gas pressure.And the mechanism of the effect of molding process parameters on the gas-assisted injection molding pro-cess was disclosed in the opininon of rheological theoty.

关 键 词：过程参数 影响 气辅注射成型 数值模拟 工艺参数 影响机理 塑料加工 

分 类 号：TQ320.66[化学工程—合成树脂塑料工业]