How to solve the side wall dent of injection molding products
The “dent” is caused by the local shrinkage after the gate is sealed or caused by the lack of material injection. The depression or micro depression on the surface of injection molded products is an old problem in the process of injection molding.
Dents are generally caused by the increase of the shrinkage rate of plastic products caused by the increase of the wall thickness. They may appear near the external sharp corner or the sudden change of the wall […]