Injection Molding
7 görüntüleme
PP Injection Part Short Material—Poor Venting Type
Sorun Belirtisi
Repeated material shortage at specific positions despite already high pressure and speed.
Neden Analizi
That location is the last filling point with poor venting; trapped gas back pressure prevents the melt from filling—often misjudged as insufficient pressure.
Çözüm
①Open venting at the shortage location; ②confirm the last filling point with the short shot method; ③optimize gate position to change the filling end; ④decelerate at the end.
Temel Çıkarım
Repeated fixed-point shortage = poor venting—locate with the short shot method.
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