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Maschinenbau-Forum • Spritzblasen - Extrusionsblasen
Seite 1 von 1

Spritzblasen - Extrusionsblasen

BeitragVerfasst: Mi 24. Jul 2013, 09:28
von durable03
Hey,

Ich bin gerade dabei die verschiedenen Verfahren zu lernen in Sachen Kunststoffverarbeitung.

Dazu hätte ich eine Frage und zwar wird erwähnt das bei Spritzblasen die Bauteilgröße die hergestellt werden kann begrenzt ist im Gegensatz zu Extrusionsblasformen.

Kann mir jemand erklären warum die Bauteilgröße bei dem Verfahren Spritzblasen begrenzt ist?

Vielen Dank im voraus

Grüße

Re: Spritzblasen - Extrusionsblasen

BeitragVerfasst: Di 13. Aug 2013, 08:48
von Admin
Hallo durable,

eine konkrete Antwort kann ich dir leider auch nicht geben. Aber ich denke, dass die Grenzen durch die Presse bzw. den Formträger gegeben sind:

Soweit ich weiß, wird beim Prozess Spritzblasen zunächst ein Preform in Spritzgießverfahren hergestellt. Hier ist ja schon die erste Größenbegrenzung durch den Formträger gegeben. Was ich hier meine ist, dass man für größere Bauteile auch größere Forminnendrücke benötigt - kommt natürlich auch auf die Bauteilgeometrie an. Um gegen den Forminnendruck gegenzuhalten, benötigt man natürlich auch eine kräftigere Presse / Formträger / Schließe.
Bei Spritzblasen wird es sich ähnlich verhalten.

Hoffe, ich konnte dir wenigstens etwas weiterhelfen.

Re: Spritzblasen - Extrusionsblasen

BeitragVerfasst: Sa 13. Aug 2016, 00:11
von tonny
Klingt sehr interessant