{"id":1893,"date":"2023-12-01T14:16:27","date_gmt":"2023-12-01T14:16:27","guid":{"rendered":"https:\/\/www.mintecinno.com\/?p=1893"},"modified":"2024-04-09T03:45:41","modified_gmt":"2024-04-09T03:45:41","slug":"addressing-welding-failures-in-smt-production-due-to-missing-drill-files","status":"publish","type":"post","link":"https:\/\/www.mintecinno.com\/fr\/addressing-welding-failures-in-smt-production-due-to-missing-drill-files\/","title":{"rendered":"Rem\u00e9dier aux d\u00e9faillances de soudage dans la production SMT dues \u00e0 des fichiers de per\u00e7age manquants"},"content":{"rendered":"

Lorsqu'il s'agit de technologie de montage en surface (SMT<\/a>), les cas d'\u00e9chec du soudage dus \u00e0 l'absence de limes de per\u00e7age ne sont pas rares.<\/p>\n

Impression de la p\u00e2te \u00e0 braser en SMT<\/a> La soudure est un processus crucial et relativement complexe, des donn\u00e9es sugg\u00e9rant que 60-70% des d\u00e9fauts dans le processus de soudure des SMT<\/a> proviennent de l'impression de la p\u00e2te \u00e0 braser.<\/p>\n

Il est int\u00e9ressant de noter que ces d\u00e9fauts ne sont pas li\u00e9s \u00e0 l'\u00e9quipement, mais qu'ils apparaissent principalement lors des \u00e9valuations techniques et de l'optimisation des pochoirs. En particulier, l'absence de fichiers de forage pendant la phase d'ing\u00e9nierie peut conduire \u00e0 diff\u00e9rents types de d\u00e9fauts. SMT<\/a> les d\u00e9fauts de soudure.<\/p>\n

Selon les donn\u00e9es fournies par le service d'ing\u00e9nierie de la soci\u00e9t\u00e9 E dans les principales usines de soudage, environ 15% d'acier inoxydable ont \u00e9t\u00e9 utilis\u00e9es dans le cadre de la construction de l'usine. SMT<\/a> les cas de soudage manquent de fichiers de couches de forage. Cette omission est \u00e0 l'origine d'au moins une ou plusieurs commandes quotidiennes pour lesquelles les clients ne fournissent pas ces fichiers essentiels. Elle entra\u00eene des co\u00fbts de communication importants, estim\u00e9s \u00e0 environ 100 minutes par jour et plus de 43 heures par mois, dus aux \u00e9changes de courriels entre les ing\u00e9nieurs, PMC et les clients pour confirmer et satisfaire ces exigences.<\/p>\n

Le pochoir joue un r\u00f4le essentiel dans SMT<\/a> et n\u00e9cessite une approche syst\u00e9matique allant au-del\u00e0 du simple per\u00e7age de trous. Il est essentiel de comprendre comment emp\u00eacher la p\u00e9n\u00e9tration de l'\u00e9tain qui cause des probl\u00e8mes de soudure, la n\u00e9cessit\u00e9 de percer des fichiers de couches pour la conception de pochoirs, et d'aborder divers cas concrets.<\/p>\n

    \n
  1. Par exemple, des probl\u00e8mes se posent lorsque les trous des bords des pastilles de soudure ne sont pas identifi\u00e9s en raison de l'absence de fichiers de per\u00e7age. Cons\u00e9quence : une soudure insatisfaisante, une fausse soudure et un \u00e9tain inad\u00e9quat dans les r\u00e9sistances ou les connecteurs.\"\"<\/li>\n<\/ol>\n

    2. De m\u00eame, l'absence de trous d'\u00e9vitement dans les plages de soudure de masse des QFN entra\u00eene une p\u00e9n\u00e9tration de l'\u00e9tain et de fausses soudures. Dans ce cas, il est essentiel d'\u00e9viter ou d'augmenter le remplissage d'\u00e9tain dans les trous afin de garantir une couverture suffisante. Le fait de ne pas fournir de fichiers de couches de per\u00e7age emp\u00eache de d\u00e9tecter et d'\u00e9viter \u00e0 temps de tels probl\u00e8mes lors de la cr\u00e9ation du pochoir.<\/p>\n

    \"\"<\/p>\n

    En outre, l'empressement \u00e0 cr\u00e9er des pochoirs sans inspection physique des PCB<\/a> Le fait de ne pas fournir de carte nue peut entra\u00eener des probl\u00e8mes. Lorsque les clients ne fournissent pas de fichiers de couches de per\u00e7age, des probl\u00e8mes tels que des trous de travers\u00e9e de plaque impr\u00e9vus peuvent survenir lors de la cr\u00e9ation du pochoir, entra\u00eenant des anomalies de soudage.<\/p>\n

    Pour att\u00e9nuer ces probl\u00e8mes, il est essentiel d'\u00e9valuer les trous de passage de la plaque pour d\u00e9tecter les copeaux, de maintenir une distance entre les tTrous de passage et CMS<\/a>et de comprendre l'importance des proc\u00e9d\u00e9s de galvanoplastie par bouchage \u00e0 la r\u00e9sine dans l'industrie de l'acier et de l'acier inoxydable. PCB<\/a> la conception.\"\"<\/p>\n

    En r\u00e9sum\u00e9, en \u00e9vitant les trous traversant la plaque et en garantissant la fourniture de fichiers de couches de per\u00e7age pour la conception du pochoir, la qualit\u00e9 du soudage peut \u00eatre am\u00e9lior\u00e9e de mani\u00e8re significative. Cela permet non seulement d'identifier les trous avec pr\u00e9cision, mais aussi d'\u00e9viter les trous inutiles ou insuffisants, ce qui permet de pr\u00e9venir les risques potentiels pour la qualit\u00e9 dus \u00e0 de mauvais choix de conception.<\/p>","protected":false},"excerpt":{"rendered":"

    Dans le domaine de la technologie de montage en surface (SMT), les cas d'\u00e9chec de soudage dus \u00e0 l'absence de limes de per\u00e7age ne sont pas rares. L'impression de la p\u00e2te \u00e0 braser dans le soudage SMT est un processus crucial et plut\u00f4t complexe, les donn\u00e9es sugg\u00e9rant que 60-70% des d\u00e9fauts dans la production SMT proviennent de l'impression de la p\u00e2te \u00e0 braser. Il est int\u00e9ressant de noter que ces d\u00e9fauts ne sont pas li\u00e9s \u00e0 l'\u00e9quipement [...]<\/p>","protected":false},"author":3,"featured_media":1896,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\nAddressing Welding Failures in SMT Production<\/title>\n<meta name=\"description\" content=\"Explore the impact of missing drill files in Surface Mount Technology (SMT) production, uncovering the causes of welding failures\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mintecinno.com\/fr\/addressing-welding-failures-in-smt-production-due-to-missing-drill-files\/\" \/>\n<meta property=\"og:locale\" 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