Weld lines defects

By |2022-02-26T11:32:19+08:00September 18th, 2021|Categories: China mold|Tags: , , , , |Comments Off on Weld lines defects

What is weld lines defects?

When plastic flows around an obstruction  (for example a hole) in a mold cavity the point where the material comes back together is called a weld line defects. If two more more plastics material flow together after coming together it will become a weld line. Weld lines defects will always have when two or more melt flows meet together. we call knit lines defects as well

Weld lines defects issues and troubleshooting skill

Weld lines defects are formed when two flow fronts are merged together. An obstruction such as a core pin or holes will split the material flow and cause a weld line issue to form on the […]