{"id":9107,"date":"2026-03-10T09:00:00","date_gmt":"2026-03-10T08:00:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=9107"},"modified":"2026-03-10T14:53:49","modified_gmt":"2026-03-10T13:53:49","slug":"tolerie-ems-electronique","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/fr\/tolerie-ems-electronique\/","title":{"rendered":"EMS de t\u00f4lerie pour l\u2019\u00e9lectronique : des coils d\u2019acier aux bo\u00eetiers finis \u2014 DFM, soudage et ma\u00eetrise des co\u00fbts pour les int\u00e9grateurs"},"content":{"rendered":"<article class=\"blog-post\" lang=\"de\"><nav class=\"toc\" aria-label=\"Inhaltsverzeichnis\">\n<p data-start=\"136\" data-end=\"487\">Les int\u00e9grateurs syst\u00e8mes et les constructeurs d\u2019armoires \u00e9lectriques perdent rarement du temps parce qu\u2019ils ne savent pas fabriquer.<br data-start=\"269\" data-end=\"272\" \/>Les retards apparaissent le plus souvent lorsque les pi\u00e8ces m\u00e9caniques arrivent tard, ne s\u2019int\u00e8grent pas correctement \u00e0 l\u2019assemblage ou n\u00e9cessitent des retouches alors que l\u2019int\u00e9gration \u00e9lectronique a d\u00e9j\u00e0 commenc\u00e9.<\/p>\n<p data-start=\"489\" data-end=\"600\">Chez TPS Elektronik, la t\u00f4lerie dans un contexte EMS est pens\u00e9e pour contribuer \u00e0 limiter ces risques gr\u00e2ce \u00e0 :<\/p>\n<ul data-start=\"602\" data-end=\"826\">\n<li data-section-id=\"hvbeiu\" data-start=\"602\" data-end=\"640\">\n<p data-start=\"604\" data-end=\"640\">des processus de chiffrage rapides ;<\/p>\n<\/li>\n<li data-section-id=\"1wzpn0s\" data-start=\"641\" data-end=\"696\">\n<p data-start=\"643\" data-end=\"696\">des retours Design for Manufacturing (DFM) en amont ;<\/p>\n<\/li>\n<li data-section-id=\"prjm63\" data-start=\"697\" data-end=\"752\">\n<p data-start=\"699\" data-end=\"752\">des contr\u00f4les document\u00e9s en option, par exemple FAI ;<\/p>\n<\/li>\n<li data-section-id=\"yrko4u\" data-start=\"753\" data-end=\"826\">\n<p data-start=\"755\" data-end=\"826\">une cha\u00eene de fabrication compl\u00e8te, de la d\u00e9coupe \u00e0 l\u2019assemblage final.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"828\" data-end=\"955\">La cha\u00eene de fabrication comprend g\u00e9n\u00e9ralement la d\u00e9coupe, le poin\u00e7onnage, le formage, le soudage, la finition et l\u2019assemblage.<\/p>\n<p data-start=\"957\" data-end=\"994\"><a href=\"https:\/\/tps-elektronik.com\/services\/ems\/blechverarbeitung\/\"><strong data-start=\"957\" data-end=\"994\">Demander un RFQ pour la t\u00f4lerie \u2192<\/strong><\/a><\/p>\n<h2 id=\"toc\">Table des mati\u00e8res<\/h2>\n<ol>\n<li><a href=\"#warum-ems-blech\">Pourquoi la t\u00f4lerie EMS influence les r\u00e9sultats d\u2019un RFQ<\/a><\/li>\n<li><a href=\"#leistungen\">Capacit\u00e9s int\u00e9gr\u00e9es : de la d\u00e9coupe \u00e0 l\u2019ensemble contr\u00f4l\u00e9<\/a><\/li>\n<li><a href=\"#werkstoffe\">Mat\u00e9riaux utilis\u00e9s en pratique : coils, nuances et m\u00e9taux ferrous vs non-ferrous<\/a><\/li>\n<li><a href=\"#prozesse\">Types de proc\u00e9d\u00e9s de formage de t\u00f4le<\/a><\/li>\n<li><a href=\"#kosten\">Metal costing : quels facteurs influencent le prix et le d\u00e9lai<\/a><\/li>\n<li><a href=\"#cnc\">T\u00f4lerie ou pi\u00e8ces en aluminium usin\u00e9es dans la masse<\/a><\/li>\n<li><a href=\"#qualitaet\">Qualit\u00e9 et documentation : FAI, PPAP et rapports de contr\u00f4le<\/a><\/li>\n<li><a href=\"#rfq\">Que faut-il inclure dans votre RFQ ?<\/a><\/li>\n<li><a href=\"#faq\">FAQ<\/a><\/li>\n<\/ol>\n<\/nav>\n<section>\n<h2 data-section-id=\"6s64ge\" data-start=\"1507\" data-end=\"1569\">1. Pourquoi la t\u00f4lerie EMS influence les r\u00e9sultats d\u2019un RFQ<\/h2>\n<p data-start=\"1571\" data-end=\"1722\">Dans les projets de fabrication \u00e9lectronique, la t\u00f4lerie est rarement un simple poste d\u2019achat.<br data-start=\"1665\" data-end=\"1668\" \/>Elle constitue souvent une interface m\u00e9canique entre :<\/p>\n<ul data-start=\"1724\" data-end=\"1901\">\n<li data-section-id=\"z5pb73\" data-start=\"1724\" data-end=\"1747\">\n<p data-start=\"1726\" data-end=\"1747\">les assemblages PCB ;<\/p>\n<\/li>\n<li data-section-id=\"n4jj8m\" data-start=\"1748\" data-end=\"1785\">\n<p data-start=\"1750\" data-end=\"1785\">les \u00e9l\u00e9ments de gestion thermique ;<\/p>\n<\/li>\n<li data-section-id=\"1kvwi5w\" data-start=\"1786\" data-end=\"1828\">\n<p data-start=\"1788\" data-end=\"1828\">le c\u00e2blage et le routage des faisceaux ;<\/p>\n<\/li>\n<li data-section-id=\"1uq8zze\" data-start=\"1829\" data-end=\"1858\">\n<p data-start=\"1831\" data-end=\"1858\">les distances d\u2019isolement ;<\/p>\n<\/li>\n<li data-section-id=\"uygqqq\" data-start=\"1859\" data-end=\"1901\">\n<p data-start=\"1861\" data-end=\"1901\">les contraintes d\u2019installation sur site.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1903\" data-end=\"1983\">De faibles \u00e9carts peuvent g\u00e9n\u00e9rer des difficult\u00e9s d\u2019int\u00e9gration.<br data-start=\"1967\" data-end=\"1970\" \/>Par exemple :<\/p>\n<ul data-start=\"1985\" data-end=\"2261\">\n<li data-section-id=\"kvfs0e\" data-start=\"1985\" data-end=\"2090\">\n<p data-start=\"1987\" data-end=\"2090\">des angles de pliage incorrects peuvent perturber le passage des faisceaux ou l\u2019acc\u00e8s aux connecteurs ;<\/p>\n<\/li>\n<li data-section-id=\"1qohitz\" data-start=\"2091\" data-end=\"2166\">\n<p data-start=\"2093\" data-end=\"2166\">un choix de finition peut influencer le comportement de mise \u00e0 la terre ;<\/p>\n<\/li>\n<li data-section-id=\"m1c9hv\" data-start=\"2167\" data-end=\"2261\">\n<p data-start=\"2169\" data-end=\"2261\">des \u00e9carts de tol\u00e9rances peuvent provoquer des accumulations dimensionnelles \u00e0 l\u2019assemblage.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2263\" data-end=\"2404\">L\u2019int\u00e9r\u00eat d\u2019une t\u00f4lerie int\u00e9gr\u00e9e \u00e0 un environnement EMS r\u00e9side dans l\u2019alignement entre la fabrication m\u00e9canique et l\u2019assemblage \u00e9lectronique.<\/p>\n<p data-start=\"2406\" data-end=\"2434\">Cela comprend g\u00e9n\u00e9ralement :<\/p>\n<ul data-start=\"2436\" data-end=\"2634\">\n<li data-section-id=\"widqnm\" data-start=\"2436\" data-end=\"2490\">\n<p data-start=\"2438\" data-end=\"2490\">un retour DFM avant le lancement de la fabrication ;<\/p>\n<\/li>\n<li data-section-id=\"eaf5xa\" data-start=\"2491\" data-end=\"2559\">\n<p data-start=\"2493\" data-end=\"2559\">des tol\u00e9rances d\u00e9finies en fonction des cha\u00eenes de cotes r\u00e9elles ;<\/p>\n<\/li>\n<li data-section-id=\"1d3u2ss\" data-start=\"2560\" data-end=\"2634\">\n<p data-start=\"2562\" data-end=\"2634\">des parcours de contr\u00f4le document\u00e9s, partag\u00e9s entre technique et achats.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2636\" data-end=\"2807\">TPS int\u00e8gre la fabrication de t\u00f4le dans un flux de production EMS plus large, afin que les \u00e9l\u00e9ments m\u00e9caniques et \u00e9lectroniques puissent \u00eatre chiffr\u00e9s et pilot\u00e9s ensemble.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8648\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/1.1_EMS-SMP_Blog_3_A.jpg\" alt=\"EMS sheet metal workflow for electronics: CAD data, DFM feedback, cutting, bending, welding, finishing, assembly, and inspection documentation.\nDurchg\u00e4ngiger EMS-Blechprozess: CAD\/STEP\/DXF, DFM-Feedback, Lasern, Abkanten, Schwei\u00dfen, Oberfl\u00e4che, Montage, Dokumentation.\" width=\"1920\" height=\"1080\" \/><\/p>\n<p data-start=\"2809\" data-end=\"2945\">Si les questions li\u00e9es au soudage sont importantes pour votre projet, ces contenus TPS peuvent servir de base de discussion en interne :<\/p>\n<ul data-start=\"2947\" data-end=\"3090\">\n<li data-section-id=\"121bne\" data-start=\"2947\" data-end=\"2990\">\n<p data-start=\"2949\" data-end=\"2990\"><a href=\"https:\/\/tps-elektronik.com\/fr\/mig-schweissgeraet-schweissen\/\"><strong data-start=\"2949\" data-end=\"2988\">MIG Welding Machine: Tips &amp; Methods<\/strong><\/a><\/p>\n<\/li>\n<li data-section-id=\"y97zev\" data-start=\"2991\" data-end=\"3034\">\n<p data-start=\"2993\" data-end=\"3034\"><a href=\"https:\/\/tps-elektronik.com\/fr\/mig-vs-tig-schweissen-unterschiede\/\"><strong data-start=\"2993\" data-end=\"3032\">MIG vs TIG Welding: Key Differences<\/strong><\/a><\/p>\n<\/li>\n<li data-section-id=\"1tpppg7\" data-start=\"3035\" data-end=\"3090\">\n<p data-start=\"3037\" data-end=\"3090\"><a href=\"https:\/\/tps-elektronik.com\/fr\/kundenspezifische-blechfertigung-praezisionsmetallverarbeitung\/\"><strong data-start=\"3037\" data-end=\"3088\">Custom Sheet Metal Fabrication (Complete Guide)<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3092\" data-end=\"3122\"><a href=\"https:\/\/tps-elektronik.com\/services\/ems\/blechverarbeitung\/\"><strong data-start=\"3092\" data-end=\"3122\">Lancer votre RFQ t\u00f4lerie \u2192<\/strong><\/a><\/p>\n<\/section>\n<section>\n<h2 data-section-id=\"q84vo2\" data-start=\"3124\" data-end=\"3187\">2. Capacit\u00e9s int\u00e9gr\u00e9es : de la d\u00e9coupe \u00e0 l\u2019ensemble contr\u00f4l\u00e9<\/h2>\n<p data-start=\"3189\" data-end=\"3323\">\u00c9valuer un partenaire en t\u00f4lerie suppose souvent de comparer les exigences du projet avec la cha\u00eene de proc\u00e9d\u00e9s r\u00e9ellement disponible.<\/p>\n<p data-start=\"3325\" data-end=\"3439\">TPS met en avant un flux int\u00e9gr\u00e9, du plan d\u2019ing\u00e9nierie jusqu\u2019aux pi\u00e8ces de production contr\u00f4l\u00e9es, avec notamment :<\/p>\n<ul data-start=\"3441\" data-end=\"3559\">\n<li data-section-id=\"uzo8gm\" data-start=\"3441\" data-end=\"3460\">\n<p data-start=\"3443\" data-end=\"3460\">des retours DFM ;<\/p>\n<\/li>\n<li data-section-id=\"132liei\" data-start=\"3461\" data-end=\"3509\">\n<p data-start=\"3463\" data-end=\"3509\">une First Article Inspection (FAI) en option ;<\/p>\n<\/li>\n<li data-section-id=\"pyl6wz\" data-start=\"3510\" data-end=\"3559\">\n<p data-start=\"3512\" data-end=\"3559\">un accompagnement PPAP lorsque cela est requis.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3561\" data-end=\"3603\">Cette approche peut \u00eatre pertinente pour :<\/p>\n<ul data-start=\"3605\" data-end=\"3741\">\n<li data-section-id=\"16sgqv1\" data-start=\"3605\" data-end=\"3659\">\n<p data-start=\"3607\" data-end=\"3659\">les syst\u00e8mes soumis \u00e0 des exigences r\u00e9glementaires ;<\/p>\n<\/li>\n<li data-section-id=\"1isqjf\" data-start=\"3660\" data-end=\"3694\">\n<p data-start=\"3662\" data-end=\"3694\">les productions \u00e0 forte mixit\u00e9 ;<\/p>\n<\/li>\n<li data-section-id=\"bd91c5\" data-start=\"3695\" data-end=\"3741\">\n<p data-start=\"3697\" data-end=\"3741\">les projets passant du prototype \u00e0 la s\u00e9rie.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1i038cq\" data-start=\"3743\" data-end=\"3758\">2.1 D\u00e9coupe<\/h3>\n<p data-start=\"3760\" data-end=\"3826\">La d\u00e9coupe conditionne la qualit\u00e9 initiale d\u2019une pi\u00e8ce de t\u00f4lerie.<\/p>\n<p data-start=\"3828\" data-end=\"3866\">Les points importants sont notamment :<\/p>\n<ul data-start=\"3868\" data-end=\"3974\">\n<li data-section-id=\"1t3wszu\" data-start=\"3868\" data-end=\"3893\">\n<p data-start=\"3870\" data-end=\"3893\">la qualit\u00e9 des ar\u00eates ;<\/p>\n<\/li>\n<li data-section-id=\"13jfml1\" data-start=\"3894\" data-end=\"3936\">\n<p data-start=\"3896\" data-end=\"3936\">la r\u00e9gularit\u00e9 g\u00e9om\u00e9trique des per\u00e7ages ;<\/p>\n<\/li>\n<li data-section-id=\"8pv464\" data-start=\"3937\" data-end=\"3974\">\n<p data-start=\"3939\" data-end=\"3974\">la r\u00e9p\u00e9tabilit\u00e9 d\u2019un lot \u00e0 l\u2019autre.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3976\" data-end=\"4023\">La d\u00e9coupe laser est couramment utilis\u00e9e pour :<\/p>\n<ul data-start=\"4025\" data-end=\"4118\">\n<li data-section-id=\"13mmjpe\" data-start=\"4025\" data-end=\"4050\">\n<p data-start=\"4027\" data-end=\"4050\">les profils complexes ;<\/p>\n<\/li>\n<li data-section-id=\"1tis1oo\" data-start=\"4051\" data-end=\"4073\">\n<p data-start=\"4053\" data-end=\"4073\">les petits d\u00e9tails ;<\/p>\n<\/li>\n<li data-section-id=\"cf3n49\" data-start=\"4074\" data-end=\"4118\">\n<p data-start=\"4076\" data-end=\"4118\">les modifications d\u2019ing\u00e9nierie fr\u00e9quentes.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4120\" data-end=\"4241\">L\u2019objectif n\u2019est pas d\u2019obtenir la tol\u00e9rance la plus serr\u00e9e possible, mais des tol\u00e9rances adapt\u00e9es \u00e0 un assemblage stable.<\/p>\n<h3 data-section-id=\"qn08l7\" data-start=\"4243\" data-end=\"4262\">2.2 Poin\u00e7onnage<\/h3>\n<p data-start=\"4264\" data-end=\"4379\">Le poin\u00e7onnage peut devenir \u00e9conomiquement pertinent lorsque le design comporte des \u00e9l\u00e9ments r\u00e9p\u00e9titifs, tels que :<\/p>\n<ul data-start=\"4381\" data-end=\"4456\">\n<li data-section-id=\"16z61f6\" data-start=\"4381\" data-end=\"4409\">\n<p data-start=\"4383\" data-end=\"4409\">des ou\u00efes de ventilation ;<\/p>\n<\/li>\n<li data-section-id=\"ixzpxa\" data-start=\"4410\" data-end=\"4427\">\n<p data-start=\"4412\" data-end=\"4427\">des knockouts ;<\/p>\n<\/li>\n<li data-section-id=\"114vwhq\" data-start=\"4428\" data-end=\"4456\">\n<p data-start=\"4430\" data-end=\"4456\">des motifs de perforation.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4458\" data-end=\"4602\">Pour ce type de g\u00e9om\u00e9trie, le poin\u00e7onnage peut r\u00e9duire le temps de cycle par pi\u00e8ce par rapport \u00e0 une d\u00e9coupe laser d\u00e9taill\u00e9e sur chaque \u00e9l\u00e9ment.<\/p>\n<h3 data-section-id=\"16xq4xo\" data-start=\"4604\" data-end=\"4619\">2.3 Formage<\/h3>\n<p data-start=\"4621\" data-end=\"4711\">Le pliage sur presse plieuse CNC d\u00e9finit la g\u00e9om\u00e9trie finale des bo\u00eetiers et des \u00e9querres.<\/p>\n<p data-start=\"4713\" data-end=\"4763\">Les principaux param\u00e8tres de conception incluent :<\/p>\n<ul data-start=\"4765\" data-end=\"4870\">\n<li data-section-id=\"4vjxky\" data-start=\"4765\" data-end=\"4796\">\n<p data-start=\"4767\" data-end=\"4796\">le choix du rayon de pliage ;<\/p>\n<\/li>\n<li data-section-id=\"1jxc19y\" data-start=\"4797\" data-end=\"4835\">\n<p data-start=\"4799\" data-end=\"4835\">les distances entre per\u00e7age et pli ;<\/p>\n<\/li>\n<li data-section-id=\"cgpo5h\" data-start=\"4836\" data-end=\"4870\">\n<p data-start=\"4838\" data-end=\"4870\">les accumulations de tol\u00e9rances.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4872\" data-end=\"5004\">Pour les armoires de commande et les ensembles \u00e9lectroniques industriels, le formage constitue souvent l\u2019\u00e9tape DFM la plus critique.<\/p>\n<h3 data-section-id=\"1kcdrd8\" data-start=\"5006\" data-end=\"5029\">2.4 Travail du tube<\/h3>\n<p data-start=\"5031\" data-end=\"5107\">Le cintrage et l\u2019usinage de tubes compl\u00e8tent les conceptions qui int\u00e8grent :<\/p>\n<ul data-start=\"5109\" data-end=\"5228\">\n<li data-section-id=\"1fmifmi\" data-start=\"5109\" data-end=\"5133\">\n<p data-start=\"5111\" data-end=\"5133\">des ch\u00e2ssis porteurs ;<\/p>\n<\/li>\n<li data-section-id=\"qsmqig\" data-start=\"5134\" data-end=\"5171\">\n<p data-start=\"5136\" data-end=\"5171\">des chemins de guidage m\u00e9caniques ;<\/p>\n<\/li>\n<li data-section-id=\"1cqm600\" data-start=\"5172\" data-end=\"5228\">\n<p data-start=\"5174\" data-end=\"5228\">des structures de protection autour de l\u2019\u00e9lectronique.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5230\" data-end=\"5308\">Ces \u00e9l\u00e9ments apparaissent fr\u00e9quemment dans les syst\u00e8mes durcis ou industriels.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8652\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/2.1_EMS-SMP_Blog_3_A.jpg\" alt=\"Shop floor view showing fiber laser cutting, press brake forming, welding fixtures, and inspection tools for EMS sheet metal parts.\nFertigungshalle mit Faserlaserschneiden, CNC-Abkanten, Schwei\u00dfvorrichtungen und Qualit\u00e4tsmessplatz f\u00fcr Blechbaugruppen.\" width=\"1920\" height=\"1080\" \/><\/p>\n<\/section>\n<section>\n<h3 data-section-id=\"ku1384\" data-start=\"5310\" data-end=\"5339\">2.5 Soudage et assemblage<\/h3>\n<p data-start=\"5341\" data-end=\"5434\">Le soudage introduit plusieurs risques potentiels dans les ensembles de bo\u00eetiers, notamment :<\/p>\n<ul data-start=\"5436\" data-end=\"5568\">\n<li data-section-id=\"1k0ery9\" data-start=\"5436\" data-end=\"5467\">\n<p data-start=\"5438\" data-end=\"5467\">les d\u00e9formations thermiques ;<\/p>\n<\/li>\n<li data-section-id=\"45xbuu\" data-start=\"5468\" data-end=\"5502\">\n<p data-start=\"5470\" data-end=\"5502\">les reprises apr\u00e8s projections ;<\/p>\n<\/li>\n<li data-section-id=\"u9f6vc\" data-start=\"5503\" data-end=\"5532\">\n<p data-start=\"5505\" data-end=\"5532\">les exigences esth\u00e9tiques ;<\/p>\n<\/li>\n<li data-section-id=\"1j9vgs1\" data-start=\"5533\" data-end=\"5568\">\n<p data-start=\"5535\" data-end=\"5568\">la continuit\u00e9 de mise \u00e0 la terre.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5570\" data-end=\"5617\">TPS mentionne plusieurs proc\u00e9d\u00e9s d\u2019assemblage :<\/p>\n<ul data-start=\"5619\" data-end=\"5699\">\n<li data-section-id=\"18ty8ai\" data-start=\"5619\" data-end=\"5638\">\n<p data-start=\"5621\" data-end=\"5638\">soudage MIG\/MAG ;<\/p>\n<\/li>\n<li data-section-id=\"yg57if\" data-start=\"5639\" data-end=\"5654\">\n<p data-start=\"5641\" data-end=\"5654\">soudage TIG ;<\/p>\n<\/li>\n<li data-section-id=\"17w6by9\" data-start=\"5655\" data-end=\"5677\">\n<p data-start=\"5657\" data-end=\"5677\">soudage par points ;<\/p>\n<\/li>\n<li data-section-id=\"1g7b9f0\" data-start=\"5678\" data-end=\"5699\">\n<p data-start=\"5680\" data-end=\"5699\">soudage de goujons.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5701\" data-end=\"5826\">L\u2019utilisation de montages et de s\u00e9quences ma\u00eetris\u00e9es peut contribuer \u00e0 am\u00e9liorer la r\u00e9p\u00e9tabilit\u00e9 sur les ch\u00e2ssis et supports.<\/p>\n<h3 data-section-id=\"3nmm4h\" data-start=\"5828\" data-end=\"5864\">2.6 Finition et assemblage final<\/h3>\n<p data-start=\"5866\" data-end=\"5966\">Les op\u00e9rations de finition influencent \u00e0 la fois l\u2019aspect visuel et les performances fonctionnelles.<\/p>\n<p data-start=\"5968\" data-end=\"5999\">Les \u00e9tapes courantes incluent :<\/p>\n<ul data-start=\"6001\" data-end=\"6228\">\n<li data-section-id=\"140tj26\" data-start=\"6001\" data-end=\"6016\">\n<p data-start=\"6003\" data-end=\"6016\">l\u2019\u00e9bavurage ;<\/p>\n<\/li>\n<li data-section-id=\"1trxbmy\" data-start=\"6017\" data-end=\"6046\">\n<p data-start=\"6019\" data-end=\"6046\">le grenaillage ou sablage ;<\/p>\n<\/li>\n<li data-section-id=\"1bn0zjf\" data-start=\"6047\" data-end=\"6071\">\n<p data-start=\"6049\" data-end=\"6071\">le rev\u00eatement poudre ;<\/p>\n<\/li>\n<li data-section-id=\"c12jet\" data-start=\"6072\" data-end=\"6089\">\n<p data-start=\"6074\" data-end=\"6089\">l\u2019anodisation ;<\/p>\n<\/li>\n<li data-section-id=\"1fnnbhk\" data-start=\"6090\" data-end=\"6127\">\n<p data-start=\"6092\" data-end=\"6127\">le traitement s\u00e9lectif de surface ;<\/p>\n<\/li>\n<li data-section-id=\"jyrkil\" data-start=\"6128\" data-end=\"6191\">\n<p data-start=\"6130\" data-end=\"6191\">l\u2019insertion d\u2019\u00e9l\u00e9ments de fixation, par exemple inserts PEM ;<\/p>\n<\/li>\n<li data-section-id=\"119gp96\" data-start=\"6192\" data-end=\"6228\">\n<p data-start=\"6194\" data-end=\"6228\">l\u2019assemblage final et le contr\u00f4le.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6230\" data-end=\"6274\">Un mauvais choix de finition peut affecter :<\/p>\n<ul data-start=\"6276\" data-end=\"6374\">\n<li data-section-id=\"eg4tbp\" data-start=\"6276\" data-end=\"6313\">\n<p data-start=\"6278\" data-end=\"6313\">les interfaces de mise \u00e0 la terre ;<\/p>\n<\/li>\n<li data-section-id=\"pw2z6s\" data-start=\"6314\" data-end=\"6341\">\n<p data-start=\"6316\" data-end=\"6341\">la tenue \u00e0 la corrosion ;<\/p>\n<\/li>\n<li data-section-id=\"1ihz1ez\" data-start=\"6342\" data-end=\"6374\">\n<p data-start=\"6344\" data-end=\"6374\">le comportement des fixations.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6376\" data-end=\"6438\"><a href=\"https:\/\/tps-elektronik.com\/services\/ems\/blechverarbeitung\/\"><strong data-start=\"6376\" data-end=\"6438\">Transmettez votre RFQ via la page de service t\u00f4lerie TPS \u2192<\/strong><\/a><\/p>\n<h2 data-section-id=\"1k68j7t\" data-start=\"6440\" data-end=\"6526\">3. Mat\u00e9riaux utilis\u00e9s en pratique : coils, nuances et m\u00e9taux ferrous vs non-ferrous<\/h2>\n<p data-start=\"6528\" data-end=\"6598\">Les choix mati\u00e8re influencent le co\u00fbt, la fabricabilit\u00e9 et les d\u00e9lais.<\/p>\n<p data-start=\"6600\" data-end=\"6660\">Dans de nombreux RFQ, les difficult\u00e9s apparaissent lorsque :<\/p>\n<ul data-start=\"6662\" data-end=\"6827\">\n<li data-section-id=\"1eo6biq\" data-start=\"6662\" data-end=\"6703\">\n<p data-start=\"6664\" data-end=\"6703\">l\u2019ing\u00e9nierie part d\u2019une nuance donn\u00e9e ;<\/p>\n<\/li>\n<li data-section-id=\"1oqa1zo\" data-start=\"6704\" data-end=\"6765\">\n<p data-start=\"6706\" data-end=\"6765\">les achats en s\u00e9lectionnent une autre sur la base du prix ;<\/p>\n<\/li>\n<li data-section-id=\"b001lc\" data-start=\"6766\" data-end=\"6827\">\n<p data-start=\"6768\" data-end=\"6827\">les proc\u00e9d\u00e9s de finition imposent des alliages sp\u00e9cifiques.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6829\" data-end=\"6927\">Une compr\u00e9hension partag\u00e9e entre bureaux d\u2019\u00e9tudes et achats peut contribuer \u00e0 r\u00e9duire ces risques.<\/p>\n<h3 data-section-id=\"11e2go3\" data-start=\"6929\" data-end=\"6979\">3.1 Coils d\u2019acier et approvisionnement en t\u00f4le<\/h3>\n<p data-start=\"6981\" data-end=\"7128\">Les <strong data-start=\"6985\" data-end=\"7000\">steel coils<\/strong> d\u00e9signent de l\u2019acier lamin\u00e9 en continu fourni sous forme de coil, puis refendu, dress\u00e9 et int\u00e9gr\u00e9 dans les flux de fabrication.<\/p>\n<p data-start=\"7130\" data-end=\"7158\">Deux formes courantes sont :<\/p>\n<p data-start=\"7160\" data-end=\"7184\"><strong data-start=\"7160\" data-end=\"7184\">Acier lamin\u00e9 \u00e0 chaud<\/strong><\/p>\n<ul data-start=\"7186\" data-end=\"7286\">\n<li data-section-id=\"1x53jcv\" data-start=\"7186\" data-end=\"7217\">\n<p data-start=\"7188\" data-end=\"7217\">produit \u00e0 haute temp\u00e9rature ;<\/p>\n<\/li>\n<li data-section-id=\"1suseei\" data-start=\"7218\" data-end=\"7286\">\n<p data-start=\"7220\" data-end=\"7286\">g\u00e9n\u00e9ralement utilis\u00e9 lorsque l\u2019\u00e9tat de surface est moins critique.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7288\" data-end=\"7312\"><strong data-start=\"7288\" data-end=\"7312\">Acier lamin\u00e9 \u00e0 froid<\/strong><\/p>\n<ul data-start=\"7314\" data-end=\"7421\">\n<li data-section-id=\"1mneqir\" data-start=\"7314\" data-end=\"7367\">\n<p data-start=\"7316\" data-end=\"7367\">retravaill\u00e9 pour un meilleur contr\u00f4le d\u2019\u00e9paisseur ;<\/p>\n<\/li>\n<li data-section-id=\"13j4vhs\" data-start=\"7368\" data-end=\"7421\">\n<p data-start=\"7370\" data-end=\"7421\">avec un \u00e9tat de surface g\u00e9n\u00e9ralement plus r\u00e9gulier.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7423\" data-end=\"7627\">L\u2019acier lamin\u00e9 \u00e0 froid est souvent privil\u00e9gi\u00e9 pour les bo\u00eetiers \u00e0 exigence visuelle ou les pliages de pr\u00e9cision, tandis que l\u2019acier lamin\u00e9 \u00e0 chaud peut convenir \u00e0 des pi\u00e8ces structurelles avec rev\u00eatement.<\/p>\n<h3 data-section-id=\"okns8q\" data-start=\"7629\" data-end=\"7669\">3.2 Nuances d\u2019acier et acier ressort<\/h3>\n<p data-start=\"7671\" data-end=\"7760\">Lors de la sp\u00e9cification d\u2019une nuance d\u2019acier, les crit\u00e8res d\u00e9terminants sont notamment :<\/p>\n<ul data-start=\"7762\" data-end=\"7868\">\n<li data-section-id=\"1fza4tt\" data-start=\"7762\" data-end=\"7789\">\n<p data-start=\"7764\" data-end=\"7789\">la r\u00e9sistance m\u00e9canique ;<\/p>\n<\/li>\n<li data-section-id=\"1nq7xbu\" data-start=\"7790\" data-end=\"7808\">\n<p data-start=\"7792\" data-end=\"7808\">la formabilit\u00e9 ;<\/p>\n<\/li>\n<li data-section-id=\"jb89p3\" data-start=\"7809\" data-end=\"7840\">\n<p data-start=\"7811\" data-end=\"7840\">l\u2019exposition \u00e0 la corrosion ;<\/p>\n<\/li>\n<li data-section-id=\"2iq6wg\" data-start=\"7841\" data-end=\"7868\">\n<p data-start=\"7843\" data-end=\"7868\">la disponibilit\u00e9 mati\u00e8re.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7870\" data-end=\"7949\">Les mat\u00e9riaux couramment utilis\u00e9s pour les bo\u00eetiers \u00e9lectroniques comprennent :<\/p>\n<ul data-start=\"7951\" data-end=\"8056\">\n<li data-section-id=\"1jku61s\" data-start=\"7951\" data-end=\"7970\">\n<p data-start=\"7953\" data-end=\"7970\">les aciers doux ;<\/p>\n<\/li>\n<li data-section-id=\"1gtos2i\" data-start=\"7971\" data-end=\"8001\">\n<p data-start=\"7973\" data-end=\"8001\">les aciers de construction ;<\/p>\n<\/li>\n<li data-section-id=\"j8t5bm\" data-start=\"8002\" data-end=\"8028\">\n<p data-start=\"8004\" data-end=\"8028\">les aciers inoxydables ;<\/p>\n<\/li>\n<li data-section-id=\"cio0nu\" data-start=\"8029\" data-end=\"8056\">\n<p data-start=\"8031\" data-end=\"8056\">les alliages d\u2019aluminium.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8058\" data-end=\"8262\">L\u2019acier ressort est utilis\u00e9 pour des fonctions \u00e9lastiques, par exemple des clips ou des \u00e9l\u00e9ments de retenue.<br data-start=\"8166\" data-end=\"8169\" \/>Sa mise en forme peut toutefois demander une attention particuli\u00e8re en raison de sa rigidit\u00e9.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8656\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/3.1_EMS-SMP_Blog_3_A.jpg\" alt=\"Stack of steel coils and sheets labeled for hot rolled, cold rolled, stainless, and aluminum alloys used in electronics enclosures.\nStahlcoils und Blechtafeln mit Kennzeichnung f\u00fcr warmgewalzt, kaltgewalzt, Edelstahl und Aluminium f\u00fcr Elektronikgeh\u00e4use.\" width=\"1920\" height=\"1080\" \/><\/p>\n<h3 data-section-id=\"1fa5ddk\" data-start=\"8527\" data-end=\"8586\"><span style=\"color: revert; font-size: revert; font-weight: revert;\">3.3 Ferrous vs non-ferrous dans la conception \u00e9lectronique<\/span><\/h3>\n<p data-start=\"8328\" data-end=\"8501\">Les m\u00e9taux <strong data-start=\"8339\" data-end=\"8350\">ferrous<\/strong> contiennent du fer, ce qui correspond \u00e0 la plupart des aciers.<br data-start=\"8413\" data-end=\"8416\" \/>Les m\u00e9taux <strong data-start=\"8427\" data-end=\"8442\">non-ferrous<\/strong> comprennent notamment l\u2019aluminium, le cuivre et le titane.<\/p>\n<p data-start=\"8503\" data-end=\"8529\">Ce choix peut influencer :<\/p>\n<ul data-start=\"8531\" data-end=\"8646\">\n<li data-section-id=\"e1cu6z\" data-start=\"8531\" data-end=\"8543\">\n<p data-start=\"8533\" data-end=\"8543\">le poids ;<\/p>\n<\/li>\n<li data-section-id=\"qt87l0\" data-start=\"8544\" data-end=\"8576\">\n<p data-start=\"8546\" data-end=\"8576\">la r\u00e9sistance \u00e0 la corrosion ;<\/p>\n<\/li>\n<li data-section-id=\"jeuwc9\" data-start=\"8577\" data-end=\"8588\">\n<p data-start=\"8579\" data-end=\"8588\">le co\u00fbt ;<\/p>\n<\/li>\n<li data-section-id=\"1r0gjjq\" data-start=\"8589\" data-end=\"8646\">\n<p data-start=\"8591\" data-end=\"8646\">certaines hypoth\u00e8ses de mise \u00e0 la terre ou de blindage.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8648\" data-end=\"8818\">Lorsque les performances EMC ou la continuit\u00e9 de mise \u00e0 la terre sont critiques, le choix du mat\u00e9riau et de la finition doit \u00eatre coordonn\u00e9 avec la conception \u00e9lectrique.<\/p>\n<p data-start=\"8820\" data-end=\"8971\">Pour les cadres de r\u00e9f\u00e9rence utilis\u00e9s dans la qualification fournisseurs, l\u2019aper\u00e7u ISO consacr\u00e9 \u00e0 <strong data-start=\"8918\" data-end=\"8930\">ISO 9001<\/strong> peut constituer un point d\u2019entr\u00e9e utile.<\/p>\n<h3 data-section-id=\"nhpz56\" data-start=\"8973\" data-end=\"9000\">3.4 Titane vs aluminium<\/h3>\n<p data-start=\"9002\" data-end=\"9108\">Les comparaisons du type <strong data-start=\"9027\" data-end=\"9051\">titanium vs aluminum<\/strong> apparaissent g\u00e9n\u00e9ralement lorsque les \u00e9quipes \u00e9valuent :<\/p>\n<ul data-start=\"9110\" data-end=\"9199\">\n<li data-section-id=\"1vivgqz\" data-start=\"9110\" data-end=\"9135\">\n<p data-start=\"9112\" data-end=\"9135\">la r\u00e9duction de poids ;<\/p>\n<\/li>\n<li data-section-id=\"qt87l0\" data-start=\"9136\" data-end=\"9168\">\n<p data-start=\"9138\" data-end=\"9168\">la r\u00e9sistance \u00e0 la corrosion ;<\/p>\n<\/li>\n<li data-section-id=\"1gq6q9g\" data-start=\"9169\" data-end=\"9199\">\n<p data-start=\"9171\" data-end=\"9199\">le rapport r\u00e9sistance\/poids.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9201\" data-end=\"9359\">Le titane peut convenir \u00e0 des environnements exigeants, mais il implique g\u00e9n\u00e9ralement un co\u00fbt de transformation plus \u00e9lev\u00e9 et une mise en \u0153uvre plus complexe.<\/p>\n<p data-start=\"9361\" data-end=\"9419\">L\u2019aluminium offre souvent un compromis int\u00e9ressant entre :<\/p>\n<ul data-start=\"9421\" data-end=\"9502\">\n<li data-section-id=\"hxh5dy\" data-start=\"9421\" data-end=\"9443\">\n<p data-start=\"9423\" data-end=\"9443\">r\u00e9duction de poids ;<\/p>\n<\/li>\n<li data-section-id=\"14vdvwp\" data-start=\"9444\" data-end=\"9473\">\n<p data-start=\"9446\" data-end=\"9473\">r\u00e9sistance \u00e0 la corrosion ;<\/p>\n<\/li>\n<li data-section-id=\"znjshz\" data-start=\"9474\" data-end=\"9502\">\n<p data-start=\"9476\" data-end=\"9502\">aptitude \u00e0 la fabrication.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9504\" data-end=\"9601\">Le titane est g\u00e9n\u00e9ralement retenu lorsque des exigences de performance sp\u00e9cifiques le justifient.<\/p>\n<h2 data-section-id=\"1rgmgmo\" data-start=\"9603\" data-end=\"9645\">4. Types de proc\u00e9d\u00e9s de formage de t\u00f4le<\/h2>\n<p data-start=\"9647\" data-end=\"9776\">Le choix de la bonne combinaison de proc\u00e9d\u00e9s contribue \u00e0 obtenir des pi\u00e8ces plus stables et \u00e0 limiter les risques de fabrication.<\/p>\n<p data-start=\"9778\" data-end=\"9822\">Les proc\u00e9d\u00e9s les plus courants comprennent :<\/p>\n<ul data-start=\"9824\" data-end=\"10510\">\n<li data-section-id=\"12h1sen\" data-start=\"9824\" data-end=\"9908\">\n<p data-start=\"9826\" data-end=\"9908\"><strong data-start=\"9826\" data-end=\"9843\">d\u00e9coupe laser<\/strong> \u2013 pour les profils complexes et les modifications d\u2019ing\u00e9nierie ;<\/p>\n<\/li>\n<li data-section-id=\"7hwxk9\" data-start=\"9909\" data-end=\"9990\">\n<p data-start=\"9911\" data-end=\"9990\"><strong data-start=\"9911\" data-end=\"9926\">poin\u00e7onnage<\/strong> \u2013 pour les motifs r\u00e9p\u00e9titifs et les ouvertures de ventilation ;<\/p>\n<\/li>\n<li data-section-id=\"1nqr72u\" data-start=\"9991\" data-end=\"10065\">\n<p data-start=\"9993\" data-end=\"10065\"><strong data-start=\"9993\" data-end=\"10022\">pliage sur presse plieuse<\/strong> \u2013 pour d\u00e9finir la g\u00e9om\u00e9trie des bo\u00eetiers ;<\/p>\n<\/li>\n<li data-section-id=\"gv0sft\" data-start=\"10066\" data-end=\"10162\">\n<p data-start=\"10068\" data-end=\"10162\"><strong data-start=\"10068\" data-end=\"10090\">roulage et ourlage<\/strong> \u2013 pour am\u00e9liorer la rigidit\u00e9 des bords et la s\u00e9curit\u00e9 de manipulation ;<\/p>\n<\/li>\n<li data-section-id=\"1efj6pm\" data-start=\"10163\" data-end=\"10229\">\n<p data-start=\"10165\" data-end=\"10229\"><strong data-start=\"10165\" data-end=\"10197\">emboutissage \/ formage local<\/strong> \u2013 pour ajouter de la rigidit\u00e9 ;<\/p>\n<\/li>\n<li data-section-id=\"2c2tsy\" data-start=\"10230\" data-end=\"10301\">\n<p data-start=\"10232\" data-end=\"10301\"><strong data-start=\"10232\" data-end=\"10252\">cintrage de tube<\/strong> \u2013 pour les ch\u00e2ssis et structures de protection ;<\/p>\n<\/li>\n<li data-section-id=\"1qw2xwj\" data-start=\"10302\" data-end=\"10376\">\n<p data-start=\"10304\" data-end=\"10376\"><strong data-start=\"10304\" data-end=\"10329\">soudage et assemblage<\/strong> \u2013 pour constituer des ensembles multi-pi\u00e8ces ;<\/p>\n<\/li>\n<li data-section-id=\"bizzen\" data-start=\"10377\" data-end=\"10436\">\n<p data-start=\"10379\" data-end=\"10436\"><strong data-start=\"10379\" data-end=\"10405\">insertion de fixations<\/strong> \u2013 inserts filet\u00e9s et goujons ;<\/p>\n<\/li>\n<li data-section-id=\"f1v51m\" data-start=\"10437\" data-end=\"10510\">\n<p data-start=\"10439\" data-end=\"10510\"><strong data-start=\"10439\" data-end=\"10452\">finitions<\/strong> \u2013 rev\u00eatement poudre, anodisation, traitements de surface.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"10512\" data-end=\"10576\">Deux pratiques de conception peuvent simplifier la fabrication :<\/p>\n<ul data-start=\"10578\" data-end=\"10687\">\n<li data-section-id=\"1hjyjff\" data-start=\"10578\" data-end=\"10620\">\n<p data-start=\"10580\" data-end=\"10620\">concevoir autour d\u2019\u00e9paisseurs standard ;<\/p>\n<\/li>\n<li data-section-id=\"sse5zh\" data-start=\"10621\" data-end=\"10687\">\n<p data-start=\"10623\" data-end=\"10687\">d\u00e9finir d\u00e8s le d\u00e9part les finitions et les \u00e9l\u00e9ments de fixation.<\/p>\n<\/li>\n<\/ul>\n<\/section>\n<section>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8660\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/4.1_EMS-SMP_Blog_3_A.jpg\" alt=\"Press brake forming a sheet metal enclosure with highlighted bend lines, bend radius, and hole-to-bend spacing considerations.\nCNC-Abkanten eines Elektronikgeh\u00e4uses mit Fokus auf Biegelinie, Biegeradius und Loch-zu-Biegung-Abstand.\" width=\"1920\" height=\"1080\" \/><\/p>\n<\/section>\n<section>\n<h2 data-section-id=\"1kcdyx1\" data-start=\"10689\" data-end=\"10757\">5. Metal costing : quels facteurs influencent le prix et le d\u00e9lai<\/h2>\n<p data-start=\"10759\" data-end=\"10880\">Le <strong data-start=\"10762\" data-end=\"10779\">metal costing<\/strong> ne d\u00e9pend pas uniquement du prix brut de la mati\u00e8re.<br data-start=\"10832\" data-end=\"10835\" \/>Les principaux facteurs de co\u00fbt comprennent :<\/p>\n<ul data-start=\"10882\" data-end=\"11229\">\n<li data-section-id=\"ku42ba\" data-start=\"10882\" data-end=\"10926\">\n<p data-start=\"10884\" data-end=\"10926\">le choix du mat\u00e9riau et sa disponibilit\u00e9 ;<\/p>\n<\/li>\n<li data-section-id=\"15mgxvh\" data-start=\"10927\" data-end=\"10969\">\n<p data-start=\"10929\" data-end=\"10969\">l\u2019approvisionnement en t\u00f4le ou en coil ;<\/p>\n<\/li>\n<li data-section-id=\"1xbb6io\" data-start=\"10970\" data-end=\"11028\">\n<p data-start=\"10972\" data-end=\"11028\">l\u2019efficacit\u00e9 du nesting selon la g\u00e9om\u00e9trie de la pi\u00e8ce ;<\/p>\n<\/li>\n<li data-section-id=\"8ytlq\" data-start=\"11029\" data-end=\"11072\">\n<p data-start=\"11031\" data-end=\"11072\">les exigences d\u2019outillage et de r\u00e9glage ;<\/p>\n<\/li>\n<li data-section-id=\"dhxlhq\" data-start=\"11073\" data-end=\"11101\">\n<p data-start=\"11075\" data-end=\"11101\">la complexit\u00e9 du formage ;<\/p>\n<\/li>\n<li data-section-id=\"grhtjs\" data-start=\"11102\" data-end=\"11145\">\n<p data-start=\"11104\" data-end=\"11145\">la ma\u00eetrise des d\u00e9formations au soudage ;<\/p>\n<\/li>\n<li data-section-id=\"5zupgl\" data-start=\"11146\" data-end=\"11174\">\n<p data-start=\"11148\" data-end=\"11174\">les proc\u00e9d\u00e9s de finition ;<\/p>\n<\/li>\n<li data-section-id=\"1qwsja5\" data-start=\"11175\" data-end=\"11229\">\n<p data-start=\"11177\" data-end=\"11229\">les exigences documentaires, telles que FAI ou PPAP.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"11231\" data-end=\"11327\">Les optimisations de co\u00fbt proviennent souvent de petits ajustements de conception, par exemple :<\/p>\n<ul data-start=\"11329\" data-end=\"11534\">\n<li data-section-id=\"1dn0xdx\" data-start=\"11329\" data-end=\"11376\">\n<p data-start=\"11331\" data-end=\"11376\">r\u00e9duire le nombre de r\u00e9f\u00e9rences de fixation ;<\/p>\n<\/li>\n<li data-section-id=\"sm1s0j\" data-start=\"11377\" data-end=\"11413\">\n<p data-start=\"11379\" data-end=\"11413\">utiliser des \u00e9paisseurs standard ;<\/p>\n<\/li>\n<li data-section-id=\"1h5zvxr\" data-start=\"11414\" data-end=\"11470\">\n<p data-start=\"11416\" data-end=\"11470\">regrouper certaines pi\u00e8ces lorsque cela est possible ;<\/p>\n<\/li>\n<li data-section-id=\"3re4gw\" data-start=\"11471\" data-end=\"11534\">\n<p data-start=\"11473\" data-end=\"11534\">aligner les tol\u00e9rances sur les besoins r\u00e9els de l\u2019assemblage.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8664\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/5.1_EMS-SMP_Blog_3_A.jpg\" alt=\"Cost drivers diagram for sheet metal parts: material, nesting yield, forming steps, welding, finishing, inserts, inspection and documentation.\nInfografik zu Kostentreibern in der Blechverarbeitung: Material, Nesting, Maschinenzeit, Umformen, Schwei\u00dfen, Oberfl\u00e4che, Einpressen, Pr\u00fcfung, Dokumentation.\" width=\"1920\" height=\"1080\" \/><\/p>\n<\/section>\n<section>\n<h2 data-section-id=\"1hcisf2\" data-start=\"11536\" data-end=\"11594\">6. T\u00f4lerie ou pi\u00e8ces en aluminium usin\u00e9es dans la masse<\/h2>\n<p data-start=\"11596\" data-end=\"11663\">Certains projets de bo\u00eetiers associent la t\u00f4lerie et l\u2019usinage CNC.<\/p>\n<p data-start=\"11665\" data-end=\"11701\">La t\u00f4lerie convient g\u00e9n\u00e9ralement \u00e0 :<\/p>\n<ul data-start=\"11703\" data-end=\"11826\">\n<li data-section-id=\"jx5scp\" data-start=\"11703\" data-end=\"11729\">\n<p data-start=\"11705\" data-end=\"11729\">des structures l\u00e9g\u00e8res ;<\/p>\n<\/li>\n<li data-section-id=\"10uibwb\" data-start=\"11730\" data-end=\"11746\">\n<p data-start=\"11732\" data-end=\"11746\">des bo\u00eetiers ;<\/p>\n<\/li>\n<li data-section-id=\"183vmex\" data-start=\"11747\" data-end=\"11787\">\n<p data-start=\"11749\" data-end=\"11787\">des \u00e9querres et supports de fixation ;<\/p>\n<\/li>\n<li data-section-id=\"r8hp7w\" data-start=\"11788\" data-end=\"11826\">\n<p data-start=\"11790\" data-end=\"11826\">des volumes de production \u00e9volutifs.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"11828\" data-end=\"11910\">Les pi\u00e8ces en aluminium usin\u00e9es peuvent \u00eatre appropri\u00e9es lorsque le design exige :<\/p>\n<ul data-start=\"11912\" data-end=\"12052\">\n<li data-section-id=\"w4njv\" data-start=\"11912\" data-end=\"11949\">\n<p data-start=\"11914\" data-end=\"11949\">des surfaces d\u2019interface pr\u00e9cises ;<\/p>\n<\/li>\n<li data-section-id=\"epj7uj\" data-start=\"11950\" data-end=\"11974\">\n<p data-start=\"11952\" data-end=\"11974\">des poches profondes ;<\/p>\n<\/li>\n<li data-section-id=\"1ku5e03\" data-start=\"11975\" data-end=\"12004\">\n<p data-start=\"11977\" data-end=\"12004\">des g\u00e9om\u00e9tries 3D serr\u00e9es ;<\/p>\n<\/li>\n<li data-section-id=\"1dstcpo\" data-start=\"12005\" data-end=\"12052\">\n<p data-start=\"12007\" data-end=\"12052\">des surfaces de contact thermique ma\u00eetris\u00e9es.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12054\" data-end=\"12198\">De nombreux produits combinent les deux approches, avec une structure principale en t\u00f4le et des inserts usin\u00e9s pour les interfaces de pr\u00e9cision.<\/p>\n<h2 data-section-id=\"1akhh5u\" data-start=\"12200\" data-end=\"12230\">7. Qualit\u00e9 et documentation<\/h2>\n<p data-start=\"12232\" data-end=\"12330\">La documentation qualit\u00e9 contribue \u00e0 aligner les attentes entre ing\u00e9nierie, achats et fabrication.<\/p>\n<p data-start=\"12332\" data-end=\"12379\">TPS mentionne notamment les \u00e9l\u00e9ments suivants :<\/p>\n<ul data-start=\"12381\" data-end=\"12508\">\n<li data-section-id=\"nwoezi\" data-start=\"12381\" data-end=\"12404\">\n<p data-start=\"12383\" data-end=\"12404\">certificats mati\u00e8re ;<\/p>\n<\/li>\n<li data-section-id=\"14ryvqa\" data-start=\"12405\" data-end=\"12427\">\n<p data-start=\"12407\" data-end=\"12427\">rapports de mesure ;<\/p>\n<\/li>\n<li data-section-id=\"1cum14s\" data-start=\"12428\" data-end=\"12462\">\n<p data-start=\"12430\" data-end=\"12462\">First Article Inspection (FAI) ;<\/p>\n<\/li>\n<li data-section-id=\"1ypcyjb\" data-start=\"12463\" data-end=\"12508\">\n<p data-start=\"12465\" data-end=\"12508\">prise en charge du PPAP lorsque n\u00e9cessaire.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12510\" data-end=\"12594\">Pour les programmes \u00e0 forte mixit\u00e9, le dossier documentaire peut notamment inclure :<\/p>\n<ul data-start=\"12596\" data-end=\"12766\">\n<li data-section-id=\"3gcj8\" data-start=\"12596\" data-end=\"12645\">\n<p data-start=\"12598\" data-end=\"12645\">un FAI pour les pi\u00e8ces nouvelles ou modifi\u00e9es ;<\/p>\n<\/li>\n<li data-section-id=\"1lkwq6f\" data-start=\"12646\" data-end=\"12696\">\n<p data-start=\"12648\" data-end=\"12696\">des rapports de mesure sur les cotes critiques ;<\/p>\n<\/li>\n<li data-section-id=\"1nz2i8w\" data-start=\"12697\" data-end=\"12766\">\n<p data-start=\"12699\" data-end=\"12766\">des certificats mati\u00e8re pour les composants expos\u00e9s \u00e0 la corrosion.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"12768\" data-end=\"12909\">Les organisations travaillant selon des cadres ESD peuvent \u00e9galement se r\u00e9f\u00e9rer \u00e0 la documentation IEC, par exemple la famille <strong data-start=\"12895\" data-end=\"12908\"><a href=\"https:\/\/www.iec.ch\/homepage\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">IEC<\/a> 61340<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8668\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/6.1_EMS-SMP_Blog_3_A.jpg\" alt=\"Quality inspection of sheet metal enclosure with measurement tools and a digital first article inspection report on screen.\nQualit\u00e4tspr\u00fcfung eines Elektronikgeh\u00e4uses mit Messmitteln und digitalem Erstmusterpr\u00fcfbericht auf dem Bildschirm.\" width=\"1920\" height=\"1080\" \/><\/p>\n<\/section>\n<section>\n<div class=\"flex flex-col text-sm pb-25\">\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-WEB:5e3bde5b-4734-4b58-b283-cd7106d53a2f-16\" data-testid=\"conversation-turn-6\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"0d0c5b0a-8b6f-4d25-a5ec-2a6daefa94f3\" data-message-model-slug=\"gpt-5-4-thinking\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<h2 data-section-id=\"v8y47i\" data-start=\"12911\" data-end=\"12953\">8. Que faut-il inclure dans votre RFQ ?<\/h2>\n<p data-start=\"12955\" data-end=\"13034\">Un RFQ clair r\u00e9duit les ambigu\u00eft\u00e9s et peut raccourcir les cycles de validation.<\/p>\n<p data-start=\"13036\" data-end=\"13079\">Les informations recommand\u00e9es comprennent :<\/p>\n<h3 data-section-id=\"1msv5in\" data-start=\"13081\" data-end=\"13093\">Fichiers<\/h3>\n<ul data-start=\"13095\" data-end=\"13198\">\n<li data-section-id=\"3fsf4z\" data-start=\"13095\" data-end=\"13126\">\n<p data-start=\"13097\" data-end=\"13126\">plans PDF pour le chiffrage ;<\/p>\n<\/li>\n<li data-section-id=\"bm6ptq\" data-start=\"13127\" data-end=\"13158\">\n<p data-start=\"13129\" data-end=\"13158\">mod\u00e8les STEP (.step \/ .stp) ;<\/p>\n<\/li>\n<li data-section-id=\"eskuj7\" data-start=\"13159\" data-end=\"13198\">\n<p data-start=\"13161\" data-end=\"13198\">fichiers DXF\/DWG lorsque disponibles.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1ygdjnd\" data-start=\"13200\" data-end=\"13225\">Sp\u00e9cification mati\u00e8re<\/h3>\n<ul data-start=\"13227\" data-end=\"13311\">\n<li data-section-id=\"1kuwlfn\" data-start=\"13227\" data-end=\"13250\">\n<p data-start=\"13229\" data-end=\"13250\">nuance et \u00e9paisseur ;<\/p>\n<\/li>\n<li data-section-id=\"1watrkm\" data-start=\"13251\" data-end=\"13279\">\n<p data-start=\"13253\" data-end=\"13279\">alternatives acceptables ;<\/p>\n<\/li>\n<li data-section-id=\"1kw398f\" data-start=\"13280\" data-end=\"13311\">\n<p data-start=\"13282\" data-end=\"13311\">pr\u00e9f\u00e9rence pour t\u00f4le ou coil.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1oyjo0i\" data-start=\"13313\" data-end=\"13325\">Finition<\/h3>\n<ul data-start=\"13327\" data-end=\"13434\">\n<li data-section-id=\"rw77xe\" data-start=\"13327\" data-end=\"13349\">\n<p data-start=\"13329\" data-end=\"13349\">type de rev\u00eatement ;<\/p>\n<\/li>\n<li data-section-id=\"o7h6g7\" data-start=\"13350\" data-end=\"13375\">\n<p data-start=\"13352\" data-end=\"13375\">exigences de masquage ;<\/p>\n<\/li>\n<li data-section-id=\"xrsr05\" data-start=\"13376\" data-end=\"13395\">\n<p data-start=\"13378\" data-end=\"13395\">classe d\u2019aspect ;<\/p>\n<\/li>\n<li data-section-id=\"gb1yhs\" data-start=\"13396\" data-end=\"13434\">\n<p data-start=\"13398\" data-end=\"13434\">zones de contact de mise \u00e0 la terre.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"s8l48u\" data-start=\"13436\" data-end=\"13449\">Quantit\u00e9s<\/h3>\n<ul data-start=\"13451\" data-end=\"13510\">\n<li data-section-id=\"i7nkvq\" data-start=\"13451\" data-end=\"13473\">\n<p data-start=\"13453\" data-end=\"13473\">quantit\u00e9 prototype ;<\/p>\n<\/li>\n<li data-section-id=\"lcnkm4\" data-start=\"13474\" data-end=\"13486\">\n<p data-start=\"13476\" data-end=\"13486\">pr\u00e9s\u00e9rie ;<\/p>\n<\/li>\n<li data-section-id=\"ezpu58\" data-start=\"13487\" data-end=\"13510\">\n<p data-start=\"13489\" data-end=\"13510\">volume annuel estim\u00e9.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"geekw\" data-start=\"13512\" data-end=\"13526\">Tol\u00e9rances<\/h3>\n<ul data-start=\"13528\" data-end=\"13606\">\n<li data-section-id=\"41xmth\" data-start=\"13528\" data-end=\"13606\">\n<p data-start=\"13530\" data-end=\"13606\">\u00e9l\u00e9ments critiques tels que d\u00e9coupes de connecteurs et per\u00e7ages de fixation.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1apy0js\" data-start=\"13608\" data-end=\"13619\">Soudage<\/h3>\n<ul data-start=\"13621\" data-end=\"13691\">\n<li data-section-id=\"175w4k6\" data-start=\"13621\" data-end=\"13666\">\n<p data-start=\"13623\" data-end=\"13666\">proc\u00e9d\u00e9s requis : MIG, TIG, point, goujon ;<\/p>\n<\/li>\n<li data-section-id=\"y4pq5j\" data-start=\"13667\" data-end=\"13691\">\n<p data-start=\"13669\" data-end=\"13691\">exigences esth\u00e9tiques.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"1x194tb\" data-start=\"13693\" data-end=\"13705\">Contr\u00f4le<\/h3>\n<ul data-start=\"13707\" data-end=\"13782\">\n<li data-section-id=\"nwoezi\" data-start=\"13707\" data-end=\"13730\">\n<p data-start=\"13709\" data-end=\"13730\">certificats mati\u00e8re ;<\/p>\n<\/li>\n<li data-section-id=\"14ryvqa\" data-start=\"13731\" data-end=\"13753\">\n<p data-start=\"13733\" data-end=\"13753\">rapports de mesure ;<\/p>\n<\/li>\n<li data-section-id=\"q6x1on\" data-start=\"13754\" data-end=\"13782\">\n<p data-start=\"13756\" data-end=\"13782\">FAI ou PPAP si n\u00e9cessaire.<\/p>\n<\/li>\n<\/ul>\n<h3 data-section-id=\"jd7wtq\" data-start=\"13784\" data-end=\"13797\">Emballage<\/h3>\n<ul data-start=\"13799\" data-end=\"13867\">\n<li data-section-id=\"1rserq4\" data-start=\"13799\" data-end=\"13826\">\n<p data-start=\"13801\" data-end=\"13826\">exigences de protection ;<\/p>\n<\/li>\n<li data-section-id=\"19b6r14\" data-start=\"13827\" data-end=\"13867\">\n<p data-start=\"13829\" data-end=\"13867\">\u00e9tiquetage pour les flux d\u2019assemblage.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"13869\" data-end=\"13894\"><strong data-start=\"13869\" data-end=\"13894\">Soumettre votre RFQ \u2192<\/strong><\/p>\n<h2 data-section-id=\"1hryhf7\" data-start=\"13896\" data-end=\"13902\">FAQ<\/h2>\n<h3 data-section-id=\"sy08cd\" data-start=\"13904\" data-end=\"13989\">Quelle est la diff\u00e9rence entre l\u2019acier lamin\u00e9 \u00e0 chaud et l\u2019acier lamin\u00e9 \u00e0 froid ?<\/h3>\n<p data-start=\"13991\" data-end=\"14260\">L\u2019acier lamin\u00e9 \u00e0 chaud est souvent utilis\u00e9 pour des pi\u00e8ces structurelles, tandis que l\u2019acier lamin\u00e9 \u00e0 froid offre g\u00e9n\u00e9ralement un meilleur contr\u00f4le d\u2019\u00e9paisseur et un \u00e9tat de surface plus r\u00e9gulier, ce qui peut \u00eatre utile pour des bo\u00eetiers d\u2019aspect ou des pliages pr\u00e9cis.<\/p>\n<h3 data-section-id=\"ehzmlr\" data-start=\"14262\" data-end=\"14303\">Que signifie ferrous vs non-ferrous ?<\/h3>\n<p data-start=\"14305\" data-end=\"14596\">Les m\u00e9taux <strong data-start=\"14316\" data-end=\"14327\">ferrous<\/strong> contiennent du fer, ce qui correspond \u00e0 la plupart des aciers.<br data-start=\"14390\" data-end=\"14393\" \/>Les m\u00e9taux <strong data-start=\"14404\" data-end=\"14419\">non-ferrous<\/strong> incluent notamment l\u2019aluminium, le cuivre et le titane. Ce choix influence le poids, la r\u00e9sistance \u00e0 la corrosion et parfois certaines hypoth\u00e8ses de mise \u00e0 la terre \u00e9lectrique.<\/p>\n<h3 data-section-id=\"jyx5vu\" data-start=\"14598\" data-end=\"14668\">Quels proc\u00e9d\u00e9s de t\u00f4lerie sont les plus courants en \u00e9lectronique ?<\/h3>\n<p data-start=\"14670\" data-end=\"14874\">Les proc\u00e9d\u00e9s les plus fr\u00e9quents sont la d\u00e9coupe laser, le poin\u00e7onnage, le pliage sur presse plieuse, le soudage, l\u2019insertion de fixations et les finitions telles que le rev\u00eatement poudre ou l\u2019anodisation.<\/p>\n<h3 data-section-id=\"1ypvrey\" data-start=\"14876\" data-end=\"14961\">Quand faut-il choisir des pi\u00e8ces en aluminium usin\u00e9es CNC plut\u00f4t que de la t\u00f4le ?<\/h3>\n<p data-start=\"14963\" data-end=\"15119\">L\u2019usinage est souvent retenu lorsque les pi\u00e8ces n\u00e9cessitent une g\u00e9om\u00e9trie 3D pr\u00e9cise, des interfaces thermiques planes ou des tol\u00e9rances m\u00e9caniques serr\u00e9es.<\/p>\n<h3 data-section-id=\"rx4cu0\" data-start=\"15121\" data-end=\"15184\">Comment r\u00e9duire le metal costing sans d\u00e9grader la qualit\u00e9 ?<\/h3>\n<p data-start=\"15186\" data-end=\"15385\" data-is-last-node=\"\" data-is-only-node=\"\">L\u2019utilisation d\u2019\u00e9paisseurs standard, l\u2019am\u00e9lioration du nesting, la r\u00e9duction du nombre de fixations diff\u00e9rentes et la mise en place d\u2019une revue DFM en amont peuvent contribuer \u00e0 stabiliser les co\u00fbts.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/section>\n<section><\/section>\n<footer style=\"background: #2d5797; padding: 30px; border-radius: 14px; margin-top: 40px;\">\n<p style=\"color: #ffffff; font-size: 16px; line-height: 1.6; margin: 0;\"><strong>\u00c9tape suivante :<\/strong> si vous recherchez une fabrication de t\u00f4lerie document\u00e9e et mieux ma\u00eetrisable pour votre ensemble 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documentation qualit\u00e9 et \u00e9l\u00e9ments \u00e0 inclure dans un RFQ pour les int\u00e9grateurs et fabricants d\u2019\u00e9quipements.<\/p>\n","protected":false},"author":8,"featured_media":8671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[84],"tags":[],"class_list":["post-9107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-content"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>T\u00f4lerie EMS pour l\u2019\u00e9lectronique | DFM, soudage et pr\u00e9paration RFQ<\/title>\n<meta name=\"description\" content=\"Guide technique sur la t\u00f4lerie EMS pour l\u2019\u00e9lectronique : mat\u00e9riaux, proc\u00e9d\u00e9s de formage, soudage, contr\u00f4le qualit\u00e9 et pr\u00e9paration d\u2019un RFQ pour 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