Weld lines, also called knit lines, are a common problem encountered by injection molders. Beyond aesthetic issues, weld lines can also lead to functional failure. During a press conference at K 2022 ...

Fiber-filled nylons are mechanically stronger than the unfilled resin, except at knit and weld lines. Nylon thermoplastics serve in a variety of demanding applications from automotive air-intake ...

Injection molding, one of the most widely used manufacturing processes for plastic parts, is also one of the most complex. From tool design to process validation, there are countless opportunities for ...

The advantages of the injection/compression molding process for thermoset composite materials will be addressed as follows: 1) Thermoset composite history and transition of compression molding to ...