Molds & Tooling
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POE product twist deformation
Problembeschreibung
POE product twists 2-3°/100mm along the axis
Ursachenanalyse
Asymmetric cooling causes shrinkage difference of each face, producing twisting moment; gate position produces asymmetric flow orientation
Lösung
1) Symmetric cooling design to ensure uniformity of each face; 2) Gates symmetrically arranged; 3) Annealing to release twisting stress
Wichtigste Erkenntnis
Twist deformation is caused by asymmetric cooling; symmetric cooling is key
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