Injection Molding
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Extremely Weak Weld Lines in LCP Injection Molded Products
Problembeschreibung
The weld line strength of LCP products is extremely low, often less than 30% of the body.
Ursachenanalyse
The highly oriented crystallization characteristic of LCP leads to weak bonding when multiple melt streams converge, and the fibrous structure breaks at the weld line, which is unfavorable for fusion.
Lösung
Increase the melt temperature and mold temperature; optimize the gates to reduce weld lines; place weld lines in low-stress areas.
Wichtigste Erkenntnis
LCP weld lines are the fatal weakness of structural parts.
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