{"id":2834,"date":"2021-06-24T09:40:59","date_gmt":"2021-06-24T07:40:59","guid":{"rendered":"https:\/\/mimotec.ch\/?post_type=applications&p=2834"},"modified":"2024-02-20T07:41:12","modified_gmt":"2024-02-20T06:41:12","slug":"micro-engrenage","status":"publish","type":"applications","link":"https:\/\/mimotec.ch\/fr\/applications\/micro-engrenage\/","title":{"rendered":"Fabrication de micro-engrenages d’une \u00e9paisseur maximum de \u22640.800mm"},"content":{"rendered":"

Mimotec produit une grande vari\u00e9t\u00e9 de roues dent\u00e9es, pignons, roues \u00e0 rattrapage de jeux ainsi que des roues de formes non-circulaires.<\/p>\n

Celles-ci peuvent autant servir pour des mouvements de montres m\u00e9caniques que pour les micro-r\u00e9ducteurs ou les micro-pompes pour l\u2019industrie m\u00e9dicale (exemple\u00a0: pompe \u00e0 insuline).<\/p>\n

La grande force de la technologie UV-LIGA<\/a>, appel\u00e9e aussi \u00e9lectroformage est de pouvoir produire des dentures en respectant rigoureusement le profil th\u00e9orique. Que ce soit une denture ext\u00e9rieure, int\u00e9rieure ou \u00e0 rattrapage de jeu, celles-ci se caract\u00e9risent par une circularit\u00e9 et une co-axialit\u00e9 entre le trou central et la t\u00eate de dent de l\u2019ordre du micron.<\/p>\n

Le proc\u00e9d\u00e9 est parfaitement adapt\u00e9 pour la production de micro-engrenages du prototype au gros volume.<\/strong><\/p>\n

Les pignons les plus petits atteignent un diam\u00e8tre (Da) de l\u2019ordre de 700\u00b5m pour une \u00e9paisseur de 400\u00b5m.<\/strong><\/p>\n\n

\n
\"\"<\/figure><\/div>\n\n\n

Il est \u00e9galement possible de produire une roue dent\u00e9e coupl\u00e9e \u00e0 un pignon ou \u00e0 une came d\u2019un seul bloc. Ceci simplifie consid\u00e9rablement les op\u00e9rations d\u2019assemblage et garantit une parfaite indexation de l\u2019une par rapport \u00e0 l\u2019autre.<\/p>\n\n\n\n

Notre technique de fabrication additive<\/a> offre un choix de mati\u00e8res inoxydables \u00e0 base de nickel dur telle que le Ni, NiP (100% amagn\u00e9tique), NiFe ainsi que de l\u2019Au24 carats dur (220HV).<\/p>\n\n\n\n

Combin\u00e9 \u00e0 un \u00e9tat de surface poli des surfaces fonctionnelles (Ra 15-20nm) et d\u2019une duret\u00e9 \u00e9lev\u00e9e variant de 540HV \u00e0 610HV, les micro-engrenages obtenus par technologie UV-LIGA offrent une bonne r\u00e9sistance \u00e0 l\u2019usure.<\/p>\n\n\n\n

L’ensemble de nos composants sont r\u00e9alis\u00e9s sur la base des plans fournis par nos clients. Gr\u00e2ce \u00e0 la grande libert\u00e9 de design de notre proc\u00e9d\u00e9, il est possible de r\u00e9aliser des profils de dentures personnalis\u00e9es r\u00e9pondant aux besoins sp\u00e9cifiques de vos applications. Comme l\u2019illustrent les exemples ci-dessous, notre seule limite est votre imagination.<\/p>\n\n\n\n

\"\"<\/figure>
\n

Exemple de denture pour des applications du type micro-pompe \u00e0 engrenages annulaire (micro annular gear pump ) permettant une r\u00e9gulation tr\u00e8s pr\u00e9cise du d\u00e9bit.<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>
\n

Micro-engrenage \u00e0 denture ext\u00e9rieure et int\u00e9rieure, du type plan\u00e9taire, offrant une tr\u00e8s grande pr\u00e9cision au niveau du profil de la denture ainsi qu\u2019une parfaite co-axialit\u00e9 (+\/-1\u00b5m).<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>
\n

Micro-dentures \u00e0 double \u00e9tages avec des profils sp\u00e9cifiques et parfaitement index\u00e9es angulairement l\u2019un par rapport \u00e0 l\u2019autre.
<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>
\n

Il est \u00e9galement possible de combiner une double fonction en un seul composant. Cet exemple issu de l\u2019horlogerie montre une roue dent\u00e9e et une came monobloc. Cette solution \u00e9vite des assemblages et garantit une parfaite indexation de la came par rapport \u00e0 la roue.<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>
\n

Roue de diff\u00e9rentiel \u00e0 3 niveaux<\/strong>\u00a0faisant partie d\u2019un ensemble de rouages qui se trouve principalement dans les montres comportant plusieurs \u00e9chappements, doubles balanciers, double tourbillon voire plus.\u00a0<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>
\n

Ce profil de denture fendue et asym\u00e9trique permet d\u2019\u00e9liminer les jeux dans la transmission du mouvement lors de changement de direction.<\/p>\n\n\n\n

La partie flexible est assur\u00e9e par une lame fine de 20\u00b5m pouvant atteindre une \u00e9paisseur jusqu\u2019\u00e0 200\u00b5m.<\/p>\n\n\n\n

Ce genre de profil est uniquement r\u00e9alisable par notre m\u00e9thode de fabrication.<\/p>\n<\/div><\/div>\n","protected":false},"featured_media":3185,"parent":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[],"tags":[],"acf":[],"yoast_head":"\nAchetez des micro-engrenages pour l'industrie horlog\u00e8re et m\u00e9dicale<\/title>\n<meta name=\"description\" content=\"La technologie UV-LIGA, ou \u00e9lectroformage permet de produire des micro-engrenages de haute pr\u00e9cision pour tous types d'industries.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mimotec.ch\/fr\/applications\/micro-engrenage\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Achetez des micro-engrenages pour 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