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.
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 […]