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<\/a><\/p>\nSi votre offset Z n’est pas correct, vous pouvez l’affiner en modifiant la valeur M851<\/strong>. Il suffit de taper dans le terminal M851<\/strong> Z-1.99 par exemple. Attention le point utilis\u00e9 dans le 1.99 est le point du clavier et non celui du paver num\u00e9rique. Il faut sauvegarder les param\u00e8tres dans l’EEPROM en tapant M500<\/strong>. V\u00e9rifier la prise en compte de la modification en tapant M501<\/strong>. Si la valeur est OK, lancer une impression pour v\u00e9rifier le bon r\u00e9glage avec l’impression de la premier couche.<\/p>\nR\u00e9capitulatif:<\/span><\/p>\n\n- M500: sauvegarde des param\u00e8tres dans l’EPROM<\/li>\n
- M501: lecture des param\u00e8tres de l’EPROM<\/li>\n
- M851: valeur de l’offset Z<\/li>\n<\/ul>\n
Afin d’obtenir un impression 3D parfaite, il faut aussi v\u00e9rifier la plan\u00e9it\u00e9 du plateau. Sur Octoprint en mode terminal, vous pouvez taper la commande G29 P2 V4<\/strong>, c’est un auto-level sur 4 points avec affichage des param\u00e8tres dans le terminal. La commande est faite t\u00eate d’impression \u00e0 temp\u00e9rature ambiante, car l’imprimante 3D DAGOMA est \u00e9quip\u00e9e d’un palpeur inductif. Avant de taper cette commande il faut faire un home, taper G28<\/strong>, touche entr\u00e9e du clavier puis G29 P2 V4<\/strong> touche entr\u00e9e du clavier.<\/p>\nVoici le r\u00e9sultat du plateau de mon imprimante:<\/p>\n
C<\/strong>\u00a0 \u00a0 1.960\u00a0 ———1.965\u00a0 D<\/strong><\/p>\nB<\/strong>\u00a0 1.856———–1.910 A<\/strong><\/p>\nIl faudrait relever le point B pour avoir un r\u00e9glage parfait. Voil\u00e0 ce que donne le terminal sur Octoprint.<\/p>\n
Send: N52 G29 P2 V4*37<\/em>
\nRecv: G29 Auto Bed Leveling<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: Bed X: 182.000 Y: 58.000 Z: 1.910<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: Bed X: 18.000 Y: 58.000 Z: 1.856<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: Bed X: 18.000 Y: 148.000 Z: 1.960<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: Bed X: 182.000 Y: 148.000 Z: 1.965<\/em>
\nRecv: Eqn coefficients: a: 0.00017983 b: 0.00088325 d: 1.81379594<\/em>
\nRecv: Mean of sampled points: 1.92275390<\/em>
\nRecv: <\/em>
\nRecv: Bed Height Topography:<\/em>
\nRecv: +— BACK –+<\/em>
\nRecv: | |<\/em>
\nRecv: L | (+) | R<\/em>
\nRecv: E | | I<\/em>
\nRecv: F | (-) N (+) | G<\/em>
\nRecv: T | | H<\/em>
\nRecv: | (-) | T<\/em>
\nRecv: | |<\/em>
\nRecv: O– FRONT –+<\/em>
\nRecv: (0,0)<\/em>
\nRecv: +0.03701 +0.04248<\/em>
\nRecv: -0.06650 -0.01299<\/em>
\nRecv: <\/em>
\nRecv: <\/em>
\nRecv: Corrected Bed Height vs. Bed Topology:<\/em>
\nRecv: +0.02402 +0.00000<\/em>
\nRecv: +0.00000 +0.02402<\/em>
\nRecv: <\/em>
\nRecv: <\/em>
\nRecv: <\/em>
\nRecv: Bed Level Correction Matrix:<\/em>
\nRecv: +1.000000 +0.000000 +0.000180<\/em>
\nRecv: -0.000000 +1.000000 +0.000883<\/em>
\nRecv: -0.000180 -0.000883 +1.000000<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: echo:busy: processing<\/em>
\nRecv: X:182.00 Y:127.00 Z:16.94 E:0.00 Count X: 14560 Y:10159 Z:43734<\/em>
\nRecv: ok<\/em><\/p>\nOn voit que le logiciel (Marlin\u00a0 firmware de l’imprimante)\u00a0 \u00e0 l’aide des relev\u00e9s effectu\u00e9s calcule des param\u00e8tres de correction. Si vous obtenez des valeurs diff\u00e9rentes (grandes diff\u00e9rences entre les valeurs) il faut ajuster votre plateau \u00e0 l’aide des vis de r\u00e9glage ou, dans mon cas, ajouter des cales entre le plateau et le support de fixation.<\/p>\n
R\u00e9capitulatif:<\/span><\/p>\n\n- G28 : home imprimante.<\/li>\n
- G29 P2 V4: auto-level sur 4 points avec affichage sur le terminal.<\/li>\n<\/ul>\n
Pour les probl\u00e8mes warping (d\u00e9collage de la pi\u00e8ce lors de l’impression) , c’est une r\u00e9action thermique lors du refroidissement de la pi\u00e8ce (souvent sur des grandes pi\u00e8ces), j’utilise de la 3D LAC PLUS<\/strong>. Depuis je n’ai plus de probl\u00e8mes de d\u00e9collement.<\/p>\n","protected":false},"excerpt":{"rendered":"![\"\"](\"http:\/\/ubik75.com\/wp-content\/plugins\/thumbnail-for-excerpts\/tfe_no_thumb.png\" "\\"\\"")
Le bon r\u00e9glage de l’offset Z est important lors de l’impression 3D. S’il est trop bas, il y a risque de bouchage de la buse. S’il est trop haut il y a risque de d\u00e9collement de la pi\u00e8ce.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[139],"tags":[150,138,151,153,152],"class_list":["post-1818","post","type-post","status-publish","format-standard","hentry","category-imprimante-3d","tag-discoeasy","tag-imprimante-3d","tag-octoprint","tag-offset-z","tag-zoffset"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2eCSX-tk","jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/1818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1818"}],"version-history":[{"count":16,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/1818\/revisions"}],"predecessor-version":[{"id":1846,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/1818\/revisions\/1846"}],"wp:attachment":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1818"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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