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Excès de plastique, axe Z en cause ?

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Bonjour,

Je tente d'imprimer un modèle simple (UM3 + cura 2.5.0 + dernier firmware + filament polymax à 215°), mais j'obtiens ce genre de résultat :

610663IMG20170516200048.jpg

J'ai beau recalibrer le plateau, ou jouer avec la température de la buse... Toujours pareil. Auriez-vous une idée pour résoudre ce problème ?

Merci,

Edited by Guest

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En dessous de 200° je sous-extrude, à 200° j'ai toujours ce problème (d'ailleurs je ne sens pas de réelle différence à ce niveau entre 200 et 220, si ce n'est que l'état de surface des pièces est meilleure à 220°). Je suis actuellement à 25mm/s de vitesse de rétractation et 6.5mm de distance de rétractation.

Edited by Guest

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Fais un nettoyage de ta buse (méthode atomic) car comme le dit @duriel, tu es trop chaud pour ce filament.

Il suffit qu'il y ait des résidus dans la buse pour que le flow soit perturbé et en augmentant la température, tu couvres le défaut.

Du coup, ton filament devient trop liquide et s'ecoule tout seul, laissant ces petites bouts...

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