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Mais que peut-il bien se passer dans ces 3 mm ?


Hugolinos

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Posted · Mais que peut-il bien se passer dans ces 3 mm ?

Bonjour à tous, 

 

Je débute dans l'impression et je suis confronté à un problème curieux que je ne m'explique pas. 

Ma première couche adhère parfaitement, tout se passe bien mais les 2 ou 3 premiers millimètres ont systématiquement une finition déplorable. 

Si l'un de vous à une idée, je lui en serai très reconnaissant car là, je cale. 

Merci 

 

Voici quelques exemples

IMG_20180925_151117.thumb.jpg.0276374f0b9f6e8c1878efe258796f6b.jpgIMG_20180925_150959.thumb.jpg.f2ec24af0ff1d15010dade2a27289671.jpg

Le noir est du PLA+ 1.75mm Sunlu et le Blanc un PLA classique d'entrée de gamme 1.75mm mais la différence n'est pas flagrante. Je chauffe le PLA+ à 215°C

 

Je mets une capture du profil Cura utilisé : 

image.png.4c56339af2466790dd9d62e924463bfc.pngimage.png.3dc9b6cd39253870145ee8fabb2b9241.pngimage.png.e6fce97d8cc79cc76781dec44a81e477.pngimage.png.8c0767f6738d3c13498134d6daa918b6.pngimage.png.e895d2dd7c79ee4a457b6e1b041c6a53.png

image.png

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    Posted · Mais que peut-il bien se passer dans ces 3 mm ?

    salut, met un teack at Z au départ de ta 2eme couche pour baisser le température qui doit être trop élévé ou bien refait ton bed peut etre que ta premiere couche est mauvaise et donc le temps de la rattraper les suivantes sont vilaines

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    Posted · Mais que peut-il bien se passer dans ces 3 mm ?
    1 minute ago, DidierKlein said:

    En effet on dirait que la première couche est pas top est ce que ça accroche bien?

     

    Peut être température trop haute (peut être celle du lit aussi?)

    Merci Didier. Accrochage parfait. J'ai aussi quelques doutes sur la température. Je teste et vous dirai. Merci

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    Posted · Mais que peut-il bien se passer dans ces 3 mm ?

    Bonjour à tous, 

    J'ai suivi vos instructions en passant le T° de 220 à 205°C et en abaissant celle du Bed à 50°C. 

    Ca n'est pas encore Nickel mais c'est bien mieux. Si vous avez d'autres idée, je suis preneur ?

     

    Merci pour le coup de main. 

     

    IMG_20180928_152532.jpg

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