PMMA Optical Part Birefringence

Problembeschreibung

Rainbow patterns under polarized light.

Ursachenanalyse

High injection speed and high holding pressure produce orientation stress.

Lösung

①Low-speed injection and low holding pressure; ②High mold temperature; ③Annealing.

Wichtigste Erkenntnis

Rainbow patterns = stress optical image.

PMMA; birefringence; rainbow patterns; stress

War das hilfreich?

0 Personen fanden dies hilfreich