Among the many defects of car fender injection molded products, weld lines are the most common. Except for a few automotive fender press die parts with very simple geometric shapes, weld lines occur on most car fender injection molded parts (usually in the shape of a line or a V-shaped groove), especially large and complex products that require the use of multi-gate car wing stamping dies and inserts.
2025-04-13
More
