Injection Molding
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PETG '2079851475616104452 excessive gate marks
Fenómeno del problema
Excessive marks are left at the gate break of the product, affecting appearance.
Análisis de la causa
Improper gate design (submarine gate angle large or side gate cross-section too thick), the break during demolding leaves a large mark.
Solución
Optimize gate type and size (pin point gate or valve gate); adjust the gate break angle.
Conclusión clave
PETG gate marks are an important concern for appearance quality.
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