{"id":741,"date":"2021-02-09T18:56:20","date_gmt":"2021-02-09T17:56:20","guid":{"rendered":"http:\/\/asso.unilim.fr\/fablab19\/?p=741"},"modified":"2021-02-09T19:10:18","modified_gmt":"2021-02-09T18:10:18","slug":"entretien-de-la-machine-laser","status":"publish","type":"post","link":"https:\/\/asso.unilim.fr\/fablab19\/2021\/02\/09\/entretien-de-la-machine-laser\/","title":{"rendered":"Lentille optique ou Belluga"},"content":{"rendered":"<figure id=\"attachment_749\" aria-describedby=\"caption-attachment-749\" style=\"width: 163px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-749\" src=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/palpeur-1.png\" alt=\"\" width=\"163\" height=\"136\" srcset=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/palpeur-1.png 528w, https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/palpeur-1-300x251.png 300w\" sizes=\"auto, (max-width: 163px) 100vw, 163px\" \/><figcaption id=\"caption-attachment-749\" class=\"wp-caption-text\">Figure 2 : Palpeurs<\/figcaption><\/figure>\n<figure id=\"attachment_747\" aria-describedby=\"caption-attachment-747\" style=\"width: 202px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-747\" src=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_sale3.png\" alt=\"\" width=\"202\" height=\"135\" srcset=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_sale3.png 334w, https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_sale3-300x200.png 300w\" sizes=\"auto, (max-width: 202px) 100vw, 202px\" \/><figcaption id=\"caption-attachment-747\" class=\"wp-caption-text\">Figure 1 : La lentille<\/figcaption><\/figure>\n<p>L&rsquo;entretien de la machine laser n\u00e9cessite votre attention.\u00a0\u00a0 Il est n\u00e9cessaire d&rsquo;\u00eatre vigilant pour assurer une long\u00e9vit\u00e9 correcte de cet outil indispensable de notre Fablab.\u00a0\u00a0 Les images de cet article on \u00e9t\u00e9 choisies pour interpeler les utilisateurs sur la n\u00e9cessit\u00e9 d&rsquo;assurer une bonne maintenance de nos machines mais ce sont les vraies pi\u00e8ces de notre machine.<\/p>\n<p><strong>La figure 2<\/strong> , ci-contre nous montre\u00a0 un palpeur neuf et celui qui \u00e9tait utilis\u00e9 jusqu&rsquo;\u00e0\u00a0 r\u00e9cemment .\u00a0 Une mauvaise focalisation\u00a0 entraine une mauvaise d\u00e9coupe\u00a0 et un palpeur\u00a0 fortement encrass\u00e9 ne peut donner la bonne information de focalisation.\u00a0 Pour le nettoyage de cette pi\u00e8ce il est n\u00e9cessaire de d\u00e9monter le\u00a0 palpeur afin de ne pas abimer le ressort. On peut le faire tremper dans un peu d&rsquo;eau avant de l&rsquo;essuyer avec un papier absorbant.<\/p>\n<figure id=\"attachment_744\" aria-describedby=\"caption-attachment-744\" style=\"width: 247px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-744\" src=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_propre1.png\" alt=\"\" width=\"247\" height=\"412\" srcset=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_propre1.png 437w, https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_propre1-180x300.png 180w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><figcaption id=\"caption-attachment-744\" class=\"wp-caption-text\">Figure 4 : nettoyage de la lentille<\/figcaption><\/figure>\n<figure id=\"attachment_748\" aria-describedby=\"caption-attachment-748\" style=\"width: 224px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-748\" src=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_support.png\" alt=\"\" width=\"224\" height=\"179\" srcset=\"https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_support.png 510w, https:\/\/www.unilim.fr\/fablab19\/wp-content\/uploads\/sites\/8\/2021\/02\/Lentille_support-300x239.png 300w\" sizes=\"auto, (max-width: 224px) 100vw, 224px\" \/><figcaption id=\"caption-attachment-748\" class=\"wp-caption-text\">Figure 3 : fixation de la bague de support de la lentille<\/figcaption><\/figure>\n<p><strong>La figure 1\u00a0<\/strong> pr\u00e9sente\u00a0 la lentille\u00a0 propre. Attention le dessus et le dessous doivent \u00eatre propres. Pour nettoyer cette pi\u00e8ce il est n\u00e9cessaire de la d\u00e9monter (Figure 3) . On utilise de l&rsquo;alcool pour nettoyer\u00a0 avec\u00a0 des cotons tiges .\u00a0 <strong>Attention \u00e0 ne pas la rayer<\/strong>.\u00a0 Il es \u00e9galement n\u00e9cessaire de nettoyer les miroirs.<\/p>\n<p>Sur l&rsquo;image en\u00a0 encadr\u00e9, \u00e0 droite,\u00a0 nous voyons une lentille Belluga\u00a0 certainement pas une lentille optique. Il est ais\u00e9 de comprendre qu&rsquo;avec une telle lentille la puissance du laser sera fortement diminu\u00e9e. De plus il risque d&rsquo;y avoir \u00e9chauffement de la lentille.<\/p>\n<p>&nbsp;<\/p>\n<p>Il faut veiller \u00e9galement \u00e0 l&rsquo;encrassement g\u00e9n\u00e9ral , nettoyer les orifices de ventilation et le nid d&rsquo;abeille. Le syst\u00e8me de ventilation doit \u00eatre l&rsquo;objet de toute nos attentions car une mauvaise ventilation entraine fum\u00e9es , odeurs , et mauvaises d\u00e9coupes. Le Laser est d\u00e9vi\u00e9 par les fum\u00e9es.<\/p>\n<p><em>Chacun d&rsquo;entre nous doit \u00eatre vigilant et participer \u00e0 l&rsquo;entretien\u00a0 de cet outil comme de tous les outils du fablab. <\/em><em>C&rsquo;est dans la charte d&rsquo;utilisation.<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;entretien de la machine laser n\u00e9cessite votre attention.\u00a0\u00a0 Il est n\u00e9cessaire d&rsquo;\u00eatre vigilant pour assurer une long\u00e9vit\u00e9 correcte de cet outil indispensable de notre Fablab.\u00a0\u00a0 Les images de cet article on \u00e9t\u00e9 choisies pour interpeler les utilisateurs sur la n\u00e9cessit\u00e9 d&rsquo;assurer une bonne maintenance de nos machines mais ce sont les vraies pi\u00e8ces de notre [&hellip;]<\/p>\n","protected":false},"author":89,"featured_media":746,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,27],"tags":[],"class_list":["post-741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-decoupe-laser"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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