PMMA Injection Uneven Melt Temperature

Problembeschreibung

Local yellow streaks, uneven transparency.

Ursachenanalyse

Uneven plasticization, hot runner temperature deviation.

Lösung

①Hot runner point-by-point calibration; ②Stabilize back pressure; ③Clean dead corners.

Wichtigste Erkenntnis

Temperature uniformity = transparency uniformity.

PMMA; melt temperature; hot runner; uniformity

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