Shanghai Daoqin Plastics Co., Ltd.

gas 体辅助 injection shot molding nitrogen gas can injection shot machine 射嘴进入 formed product, can 经由 injection molding parts mold formed product inner, 两者各 has excellent, disadvantages: 1. from 射嘴进 gas: advantages - 修改现 has injection molding parts mold can use. runner formed in 空状, decrease/reduce plastics use. formed product gas 针 留 lower gas 口痕迹. disadvantages - has gas 体通道必 must versus 通连接. gas 体通道必 must for balanced. can hot system upper use. machine 射嘴需 more 换且费 use relatively high. 2. from injection molding parts mold gas: advantages - can more gas, gas 体通道不需完 full versus 通连接. gas and plastics can meanwhile 射入. can use hot design injection molding parts mold. can use non for formed product 模穴之 molding. disadvantages - must heavy new development design injection molding parts mold. gas 针会留 lower gas 口痕迹.