What are the defects of injection molding? How to solve these problems?

Insufficient injection molding, depression, fusion joint, material flow pattern, poor gloss, air hole, black spot, edge overflow, warpage deformation, silver text, poor demoulding, cloud, rough punching, horseshoe shape, small central hole, large central hole, too thick substrate, too thin substrate, large birefringence, small birefringence, substrate fracture, runner fracture, radial stripe, record groove, halo, streamline, etc …

What are the defects of injection molding? How to solve these problems? Read More »