Shanghai Daoqin Plastics Co., Ltd.

fault/failure causes methods inner 进胶不足熔胶 amount add amount pressure low high pressure back pressure pressure high back pressure force time short long time speed degree slow fast speed 溢口不 balanced injection molding parts mold 溢口太 small or 位置射嘴孔太 fine, plastics in 浇道衬 sleeve/set inner solid, decrease low back pressure 效果. injection molding parts mold or more 换射嘴 material temperature high low material temperature mold temperature 不当整适当 temperature degree cooling time 不够延 cooling time pressure more 射胶终止应 in most front product or its and thick formed product design amount large more relatively fine injection molding parts machine 胶圈, screw abrasion loss remove gate small, plastics solid back pressure function add large gate dimensions Shanghai plastics has company