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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

1506 سؤال
Q
LLDPE injection molded product short shot
A
For short shots, first increase speed and check venting.
Injection Molding LLDPE; '2079851475616104452; short shot; venting; gate
Q
LLDPE injection molded product surface mottling
A
Mottling = unstable melt front.
Injection Molding LLDPE; '2079851475616104452; uneven gloss; mold temperature; melt front
Q
LLDPE injection molded product dimensional shrinkage
A
Dimension = holding pressure + actual measurement.
Injection Molding LLDPE; '2079851475616104452; shrinkage; holding pressure; dimension
Q
LLDPE injection molded product toughness decline
A
Embrittlement = heat history.
Injection Molding LLDPE; '2079851475616104452; embrittlement; regrind; heat history
Q
LLDPE '2079851475616104452 ejector whitening
A
Ejector whitening = concentrated stress.
Injection Molding LLDPE; '2079851475616104452; ejector whitening; hugging force; cooling
Q
LLDPE '2079851475616104452 weld lines
A
Weld lines = temperature and venting.
Injection Molding LLDPE; '2079851475616104452; weld line; venting; gate
Q
LLDPE '2079851475616104452 mold sticking
A
Soft material demolding three-piece set.
Injection Molding LLDPE; '2079851475616104452; mold sticking; draft angle; holding pressure
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