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Alignement des couches d'impression


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Posted · Alignement des couches d'impression

Bonjour à tous. 

Je suis démuni avec mon UM2+. 

Depuis quelques semaines, mes couches successives ne s'alignent plus parfaitement et j'ai un léger décalage qui rend l'ensemble assez disgracieux. J'ai refait le parallélisme des axes plusieurs fois, bien dégrippé le tout... Rien n'y fait. J'ai aussi remplacé buse et teflon il y a un mois car j'ai pensé à de la sous-extrusion pour certaines couches. Ca a réglé le problème 2 jours et ça a recommencé. 

J'imprime en couche 0.17 mm, 75 mm/s et PLA Neofil temp entre 210 et 230 ° (pièce fraiche). Je ne pense pas à un souci de config car celle-ci m'a donné d'excellents résultats pendant un bon moment et fonctionne nickel avec une autre UM2+... Donc ça vient vraiment de la machine.  

Merci pour vos idées !


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    Posted · Alignement des couches d'impression

    J'avais déjà essayé de les resserrer, ça faisait un bruit de craquement quand la tête se déplaçait et ça ne réglait pas le souci. Peut-être qu'il serait temps de changer les courroies ? Elles sont assez vieilles il faut dire...

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