Molds & Tooling
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POM hot runner problem
Problembeschreibung
Decomposed yellow spots at hot runner gates.
Ursachenanalyse
Hot runner locally exceeds 230℃ or has residence.
Lösung
①Point-by-point temperature control calibration; ②anti-residence design; ③regular disassembly and cleaning.
Wichtigste Erkenntnis
Hot runner = a test of temperature control precision.
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