Plastic Injection Molding Defect Weld Lines

By |2019-08-19T15:54:06+08:00August 19th, 2019|Categories: molding part defect, molds, Weld Lines|Tags: , |Comments Off on Plastic Injection Molding Defect Weld Lines

Weld Lines is a molding part defect that will reduce the part lifetime or even broken. Before massive production, function testing is very important,

Several years ago a customer transferred an old single cavity mold to our facility. The part was a very simple rectangular ring. It had two sub-gates, one at each end of the part on the short side of the rectangle. The material was glass-filled and made a very strong part.welding line

We made our first sample submission and were approved for production immediately. The next day we delivered the first parts for their order. A couple of weeks after the plastic parts were delivered I […]