Molds & Tooling
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ASA mold temperature management imbalance
Problembeschreibung
Uneven cooling of front and rear molds of ASA products leads to warpage, temperature differences in different cavity areas are large, and product gloss and shrinkage are simultaneously out of control.
Ursachenanalyse
Toray points out that ASA mold temperature affects surface quality and residual stress level, and 30~60°C is the recommended range; unreasonable water channel design unbalances cavity temperature distribution; local hot spots become deformation sources.
Lösung
①Mold temperature controlled at 30~60°C and adjusted according to appearance requirements; ②balanced water channel design eliminates hot spots; ③independent temperature control of front and rear molds compensates warped parts; ④regularly measure actual cavity temperature distribution.
Wichtigste Erkenntnis
ASA mold temperature management balances both appearance and deformation goals; 30~60°C is a baseline range, not a fixed value; actual temperature distribution mapping is more credible than set values.
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