Injection Molding
8 görüntüleme
Frequent nozzle clogging during injection
Sorun Belirtisi
During injection, the nozzle discharges poorly or even becomes completely clogged
Neden Analizi
Glass fibers aggregate and bridge at the nozzle opening; the nozzle orifice is too small to pass melt containing long fibers; the nozzle temperature is insufficient causing excessive melt viscosity
Çözüm
Increase the nozzle orifice to ≥5mm; increase the nozzle zone temperature to reduce melt viscosity; use a short nozzle design to reduce the runner length where fibers aggregate
Temel Çıkarım
Long fiber materials have special requirements for nozzle size and structure
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