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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
POM melt overheating decomposition and spitting
Q
POM injection molded product weld line whitening
A
White line = cold melt front.
Injection Molding POM;weld line;whitening;venting
Q
POM product surface blooming
A
Blooming = precipitation.
Molds & Tooling POM;blooming;precipitation;mold fouling
Q
POM injection molded product abnormal shrinkage
A
Shrinkage = actual measurement correction.
Injection Molding POM;shrinkage;dimension;holding pressure
Q
POM product insert cracking
A
Inserts = preheating + wall thickness.
Molding Process POM;inserts;cracking;preheating
Q
POM injection molded product gas marks
A
Gas marks = decomposition gas.
Injection Molding POM;gas marks;decomposition;shear
Q
POM product demolding abnormal noise
A
Abnormal noise = large gripping force.
Molds & Tooling POM;demolding;gripping force;draft
Q
POM injection molded product sink marks—gate freeze type
A
Freeze = the end point of holding.
Injection Molding POM;sink marks;freeze;gate
Q
POM product weather resistance problem
A
Outdoor POM = UV-resistant grade.
Material Analysis POM;weather resistance;chalking;UV-resistant
Q
POM product welding problem
A
Welding = precise interface temperature.
Molding Process POM;welding;ultrasonic welding;parameters
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