To make sure that a plastic part with helical gear and spur gear can be demoulded successfully,an injection mould is designed with double parting faces,point gate feeding and rotating demould.

• 为了保证一种既有斜齿轮又有直齿轮零件在注塑成形后能顺利脱模,给出了一套一模两位,点浇口进料,旋转脱模,胶套式二次分型的双分型面注射模的设计。