Injection Molding
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PA6 Short Shot
Problembeschreibung
Material shortage at the ends of thin-wall parts and long-flow parts.
Ursachenanalyse
PA6 solidifies quickly, and the flow front freezes quickly at thin walls; insufficient injection speed/pressure and low mold temperature.
Lösung
①Increase injection speed and pressure;②increase material temperature and mold temperature;③enlarge the gate;④select high-flow grades for thin-wall parts.
Wichtigste Erkenntnis
PA6 short shot = a race against freezing speed.
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