Molding Process
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LDPE High Fluidity Utilization
Fenómeno del problema
Other materials cannot fill complex thin-walled parts, but switching to LDPE makes molding easy
Análisis de la causa
The long branched chain structure of LDPE brings excellent fluidity, making it an easy-flowing material; complex structures and long-flow parts can fully utilize it; but it is not suitable for high-precision requirement occasions, and tolerances are difficult to tighten
Solución
① Give full play to the flow advantage of LDPE for complex thin-walled parts; ② use LDPE with caution for precision dimension parts; ③ good adaptability with hot runner molds; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
The high fluidity of LDPE is a double-edged sword; use it to solve filling problems, but don't expect it to make precision parts; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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