Injection Molding Problems: Mold Maker Solutions for Weld Marks
Weld marks are common defects in injection molding. They occur when two or more flow fronts of molten plastic meet and do not merge smoothly. These marks appear as lines or small ridges on the surface of the molded part. They are more noticeable on flat, large, or complex parts. Causes of Weld Marks 1. […]
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