Injection Molding
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Leakage of PBT '2079851475616104452 Hot Runner System
Problembeschreibung
The hot runner system leaks at the high temperature of PBT.
Ursachenanalyse
The hot runner sealing components creep or fatigue under long-term high temperature; the installation pre-tightening force is inappropriate; the thermal expansion is uneven.
Lösung
Use a hot runner sealing system suitable for the PBT processing temperature; regularly check the seal; pre-tighten according to specifications.
Wichtigste Erkenntnis
PBT hot runner leakage requires high-temperature-resistant design and maintenance.
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