문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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POM melt overheating decomposition and spitting

Injection Molding POM；decomposition；spitting；formaldehyde；melt temperature；safety

POM injection molded product weld line whitening

White line = cold melt front.

Injection Molding POM；weld line；whitening；venting

POM product surface blooming

Blooming = precipitation.

Molds & Tooling POM；blooming；precipitation；mold fouling

POM injection molded product abnormal shrinkage

Shrinkage = actual measurement correction.

Injection Molding POM；shrinkage；dimension；holding pressure

POM product insert cracking

Inserts = preheating + wall thickness.

Molding Process POM；inserts；cracking；preheating

POM injection molded product gas marks

Gas marks = decomposition gas.

Injection Molding POM；gas marks；decomposition；shear

POM product demolding abnormal noise

Abnormal noise = large gripping force.

Molds & Tooling POM；demolding；gripping force；draft

POM injection molded product sink marks—gate freeze type

Freeze = the end point of holding.

Injection Molding POM；sink marks；freeze；gate

POM product weather resistance problem

Outdoor POM = UV-resistant grade.

Material Analysis POM；weather resistance；chalking；UV-resistant

POM product welding problem

Welding = precise interface temperature.

Molding Process POM；welding；ultrasonic welding；parameters

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