Molds & Tooling
9 مشاهدة
PA6 Glass Fiber Reinforced Warpage
ظاهرة المشكلة
GF-PA6 products warped in a fixed direction, cooling adjustment was ineffective, and repeatability was strong.
تحليل الأسباب
Glass fiber orientation makes flow-direction shrinkage far lower than transverse; the gate determines orientation; GF-PA6 warpage is typical fiber-orientation-type warpage; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
الحل
①Adjust the gate position;②use Moldflow etc. for fiber orientation and warpage analysis;③balance holding pressure and cooling;④verify whether the fiber content and grade meet requirements;⑤evaluate low-warpage grades.
الخلاصة الأساسية
GF-PA6 warpage = 'fiber orientation': the gate is the switch; orientation-type warpage has a fixed direction, hard pressing by cooling is ineffective, and adjustment must be made from the source of gate and orientation.
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