Comparison of Injection Molding by Plastic Fan Mold Manufacturers
The difference between the injection molding hot runner and cold runner system of Plastic Fan Mold Manufacturers
hot runnerHot gate/runner systems use electrically heated cylinders to deliver preheated plastic into the mold cavity. The runners are built into the mold in the form of manifold plates and many hot runner drops.
benefit:
Precise temperature control for better finished...