{"id":1326,"date":"2023-03-09T13:40:39","date_gmt":"2023-03-09T13:40:39","guid":{"rendered":"https:\/\/xudengtech.com\/?page_id=1326"},"modified":"2023-03-14T17:24:54","modified_gmt":"2023-03-14T09:24:54","slug":"powder-coating","status":"publish","type":"page","link":"https:\/\/xudengtech.com\/fr\/powder-coating\/","title":{"rendered":"Rev\u00eatement par poudre"},"content":{"rendered":"
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SERVICES DE FINITION<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Rev\u00eatement par poudre<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En bref<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Mat\u00e9riaux applicables<\/strong><\/td>\nCouleurs<\/strong><\/td>\nTexture<\/strong><\/td>\nPeut \u00eatre appliqu\u00e9 avec<\/b>
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Aluminium , Acier , Acier inoxydable<\/td>\nNoir (20% ou 90% brillant)Blanc (20% ou 90% brillant)<\/td>\nBrillant ou semi-brillant<\/td>\nD\u00e9capage par microbilles, tumbling (ni l'un ni l'autre n'est n\u00e9cessaire)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Options de couleur<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\"XUDENG-power-coating-1\"\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\"XUDENG-power-coating-2.jpg\"\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\u00c0 propos du processus<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Le rev\u00eatement en poudre est un processus dans lequel une peinture en poudre s\u00e8che (soit un polym\u00e8re thermoplastique ou thermodurcissable) est appliqu\u00e9e sur une surface m\u00e9tallique par application \u00e9lectrostatique. Contrairement \u00e0 la peinture liquide traditionnelle, le rev\u00eatement en poudre n'a pas besoin de solvant pour maintenir le liant et la charge de la peinture en suspension liquide. Cela permet d'appliquer des rev\u00eatements plus \u00e9pais sans couler ni s'affaisser, et les rev\u00eatements sont donc plus r\u00e9sistants.<\/p>

Le processus de rev\u00eatement par poudre commence par la mise \u00e0 la terre \u00e9lectrique de la pi\u00e8ce \u00e0 peindre, ce qui lui conf\u00e8re une charge n\u00e9gative nette. Apr\u00e8s la mise \u00e0 la terre, la peinture est pulv\u00e9ris\u00e9e sur la pi\u00e8ce \u00e0 l'aide d'un pistolet corona, qui applique une charge positive \u00e0 la poudre. La polarisation des deux composants fait que la poudre adh\u00e8re au m\u00e9tal, o\u00f9 elle reste tant qu'elle n'est pas perturb\u00e9e.<\/p>

Une fois que la poudre a atteint une \u00e9paisseur sp\u00e9cifi\u00e9e sur la pi\u00e8ce, elle est polym\u00e9ris\u00e9e en un film polym\u00e8re \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es (~200\u00b0C), par exemple dans un four \u00e0 convection. Les polym\u00e8res thermodurcissables se r\u00e9ticulent pendant le processus de durcissement pour am\u00e9liorer les performances, mais les vari\u00e9t\u00e9s thermoplastiques s'\u00e9coulent simplement lorsqu'elles sont chauff\u00e9es pour former le rev\u00eatement final.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Consid\u00e9rations relatives \u00e0 la conception<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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  • \n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\tCe proc\u00e9d\u00e9 ajoute une \u00e9paisseur substantielle \u00e0 la surface d'une pi\u00e8ce, il est donc recommand\u00e9 de boucher et de masquer les trous filet\u00e9s ou rainur\u00e9s ou d'autres surfaces critiques pour la fonction.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t
  • \n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\tLes polym\u00e8res de rev\u00eatement en poudre sont g\u00e9n\u00e9ralement isolants et pr\u00e9sentent une faible conductivit\u00e9 \u00e9lectrique.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

    FINISHING SERVICES Powder Coating At a glance Applicable Materials Colors Texture Can be applied with Aluminum , Steel , Stainless Steel Black (20% or 90% gloss)White (20% or 90% gloss) Gloss or semi-gloss Bead blasting, tumbling (neither is needed) Color Options About the Process Powder coating is a process in which a dry powder paint […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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