{"id":10266,"date":"2026-06-21T03:00:00","date_gmt":"2026-06-21T01:00:00","guid":{"rendered":"https:\/\/visiotronix.com\/non-classe\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\/"},"modified":"2026-07-23T11:50:43","modified_gmt":"2026-07-23T09:50:43","slug":"placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place","status":"publish","type":"post","link":"https:\/\/visiotronix.com\/fr\/applications\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\/","title":{"rendered":"Strat\u00e9gies d&rsquo;\u00e9clairage pour robots pick &#038; place SMD dans le placement de composants \u00e9lectroniques"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le placement pr\u00e9cis des composants sur les lignes d&rsquo;assemblage en technologie de montage en surface (SMT) repose sur un facteur trop souvent sous-estim\u00e9 : la qualit\u00e9 de l&rsquo;\u00e9clairage. Les robots pick &amp; place comptent sur les cam\u00e9ras de vision industrielle pour localiser les chargeurs de composants, v\u00e9rifier la polarit\u00e9 et confirmer les positions de placement sur les plages d&rsquo;accueil du PCB. Lorsque l&rsquo;\u00e9clairage est inconstant ou mal adapt\u00e9 \u00e0 la g\u00e9om\u00e9trie d&rsquo;inspection, l&rsquo;algorithme de vision ne peut pas extraire des donn\u00e9es de position fiables, et les erreurs de placement s&rsquo;encha\u00eenent \u00e0 pleine vitesse de production.  <\/p>\n\n<p class=\"wp-block-paragraph\">Les composants SMD vont des composants passifs 0201 (0,6 mm \u00d7 0,3 mm) jusqu&rsquo;aux grands BGA et connecteurs. Chaque type de composant, chaque g\u00e9om\u00e9trie de broches (leads) et chaque finition de surface de PCB n\u00e9cessite une approche d&rsquo;\u00e9clairage diff\u00e9rente. Un seul \u00e9clairage annulaire ne peut pas g\u00e9rer toutes ces t\u00e2ches d&rsquo;inspection. Comprendre l&rsquo;interaction optique entre l&rsquo;\u00e9clairage \u00e0 LED, le composant et la cam\u00e9ra est le point de d\u00e9part de toute conception de syst\u00e8me de vision fiable pour le pick &amp; place.   <\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-4066\" style=\"border-width:1px;min-height:250px;aspect-ratio:unset;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1022\" height=\"213\" class=\"wp-block-cover__image-background wp-image-4069 size-full\" alt=\"\" src=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2024\/12\/banner_supporto_tecnico_1200x250-1024x213-1.webp?resize=1022%2C213&#038;ssl=1\" data-object-fit=\"cover\" srcset=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2024\/12\/banner_supporto_tecnico_1200x250-1024x213-1.webp?w=1022&amp;ssl=1 1022w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2024\/12\/banner_supporto_tecnico_1200x250-1024x213-1.webp?resize=300%2C63&amp;ssl=1 300w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2024\/12\/banner_supporto_tecnico_1200x250-1024x213-1.webp?resize=768%2C160&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#dadde3\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-a304f9a9 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-left has-ti-fg-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.374), 35px);\"><strong>Vous souhaitez de l&rsquo;aide pour choisir le produit ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button popmake-4066\"><a class=\"wp-block-button__link wp-element-button\">Cliquez ici !<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">Pourquoi l&rsquo;\u00e9clairage d\u00e9termine la pr\u00e9cision du pick &amp; place<\/h2>\n\n<p class=\"wp-block-paragraph\">Un syst\u00e8me de vision pour pick &amp; place ex\u00e9cute deux t\u00e2ches d&rsquo;inspection distinctes. La premi\u00e8re est la reconnaissance des composants : la cam\u00e9ra doit identifier le type de composant, lire son orientation et confirmer sa position dans l&rsquo;alv\u00e9ole de la bande du chargeur. La seconde est la v\u00e9rification du placement : une fois que la buse d\u00e9pose le composant sur le PCB, une cam\u00e9ra de v\u00e9rification contr\u00f4le qu&rsquo;il est correctement positionn\u00e9, centr\u00e9 sur les pads et dans l&rsquo;orientation pr\u00e9vue.  <\/p>\n\n<p class=\"wp-block-paragraph\">Ces deux t\u00e2ches n\u00e9cessitent des images \u00e0 haut contraste avec des contours nets, et le contraste d\u00e9pend directement de l&rsquo;\u00e9clairage. La broche d&rsquo;un composant qui appara\u00eet lumineuse et bien d\u00e9finie sous une certaine g\u00e9om\u00e9trie d&rsquo;\u00e9clairage peut dispara\u00eetre sur un fond de cuivre r\u00e9fl\u00e9chissant de PCB sous une autre. Choisir une g\u00e9om\u00e9trie d&rsquo;\u00e9clairage ou une longueur d&rsquo;onde incorrecte est la cause la plus fr\u00e9quente de faux rejets et d&rsquo;erreurs de prise manqu\u00e9e dans les syst\u00e8mes d&rsquo;inspection SMT.  <\/p>\n\n<h2 class=\"wp-block-heading\">Techniques d&rsquo;\u00e9clairage pour l&rsquo;inspection de composants SMD<\/h2>\n\n<h3 class=\"wp-block-heading\">\u00c9clairage annulaire direct<\/h3>\n\n<p class=\"wp-block-paragraph\">Les \u00e9clairages annulaires \u00e0 LED sont le choix d&rsquo;\u00e9clairage standard pour la vision de pick &amp; place au niveau du composant. Mont\u00e9s de mani\u00e8re coaxiale avec l&rsquo;objectif de la cam\u00e9ra, ils projettent une lumi\u00e8re directionnelle depuis une plage angulaire bien d\u00e9finie autour de l&rsquo;axe optique. Cette g\u00e9om\u00e9trie produit des motifs d&rsquo;ombre constants autour des contours du composant, augmentant le contraste des contours pour les algorithmes de template matching et de d\u00e9tection du centro\u00efde.  <\/p>\n\n<p class=\"wp-block-paragraph\">Les \u00e9clairages annulaires \u00e0 haut angle (de 45\u00b0 \u00e0 90\u00b0 par rapport \u00e0 l&rsquo;axe optique) fournissent une lumi\u00e8re large et uniforme sur toute la surface sup\u00e9rieure du composant. Ils fonctionnent bien pour la lecture des marquages de composants, la v\u00e9rification des indicateurs de polarit\u00e9 et l&rsquo;inspection de bo\u00eetiers \u00e0 surface plane. Les \u00e9clairages annulaires \u00e0 faible angle envoient la lumi\u00e8re sous une incidence rasante sur la surface du PCB, accentuant la coplanarit\u00e9 des broches, la g\u00e9om\u00e9trie des joints de soudure et la texture de surface des pads.  <\/p>\n\n<h3 class=\"wp-block-heading\">\u00c9clairage \u00e0 faible angle et darkfield pour l&rsquo;inspection des broches<\/h3>\n\n<p class=\"wp-block-paragraph\">L&rsquo;inspection de la coplanarit\u00e9 des broches exige de d\u00e9tecter de mani\u00e8re fiable de faibles diff\u00e9rences de hauteur entre les broches individuelles d&rsquo;un bo\u00eetier IC \u00e0 pas fin. L&rsquo;\u00e9clairage \u00e0 faible angle (champ sombre) provenant d&rsquo;un \u00e9clairage annulaire inclin\u00e9 de 10\u00b0 \u00e0 20\u00b0 par rapport au plan du PCB g\u00e9n\u00e8re des motifs d&rsquo;ombre et de lumi\u00e8re qui rendent clairement visibles les variations de hauteur des broches. Une broche pli\u00e9e ou soulev\u00e9e m\u00eame d&rsquo;une fraction de millim\u00e8tre projette une ombre caract\u00e9ristique que l&rsquo;algorithme de vision peut d\u00e9tecter.  <\/p>\n\n<p class=\"wp-block-paragraph\">La m\u00eame technique \u00e0 faible angle fonctionne efficacement pour d\u00e9tecter l&rsquo;absence de d\u00e9p\u00f4ts de p\u00e2te \u00e0 braser, les impressions de pochoir d\u00e9salign\u00e9es et les billes de soudure soulev\u00e9es sur les bo\u00eetiers BGA. Le contraste entre la r\u00e9flexion sp\u00e9culaire d&rsquo;un \u00e9l\u00e9ment de soudure correctement form\u00e9 et l&rsquo;ombre d&rsquo;un \u00e9l\u00e9ment d\u00e9fectueux atteint son maximum sous un \u00e9clairage \u00e0 incidence rasante. <\/p>\n\n<h3 class=\"wp-block-heading\">\u00c9clairage en r\u00e9tro\u00e9clairage pour silhouette et inspection dimensionnelle des composants<\/h3>\n\n<p class=\"wp-block-paragraph\">Les \u00e9clairages \u00e0 LED de r\u00e9tro\u00e9clairage envoient une lumi\u00e8re diffuse \u00e0 travers une surface \u00e9mettrice uniforme plac\u00e9e derri\u00e8re le composant. La cam\u00e9ra capture la silhouette du composant : une image sombre \u00e0 haut contraste du profil du composant sur un fond lumineux et uniforme. La technique sert \u00e0 l&rsquo;inspection dimensionnelle du pas des broches, de la largeur du corps et de la longueur des broches avant le placement.  <\/p>\n\n<p class=\"wp-block-paragraph\">L&rsquo;imagerie de la silhouette par r\u00e9tro\u00e9clairage fonctionne \u00e9galement tr\u00e8s bien pour v\u00e9rifier la prise de la buse : la cam\u00e9ra confirme que le composant repose correctement sur la buse de prise, \u00e0 la bonne hauteur et sans inclinaison. Le fond uniforme \u00e9limine toutes les variables de texture de surface et de r\u00e9flectivit\u00e9, de sorte que la mesure du contour du composant reste valable quelle que soit la finition de surface. <\/p>\n\n<h3 class=\"wp-block-heading\">\u00c9clairage coaxial pour surfaces planes r\u00e9fl\u00e9chissantes<\/h3>\n\n<p class=\"wp-block-paragraph\">Les pads en cuivre nu du PCB et les surfaces avec finition HASL sont fortement sp\u00e9culaires. L&rsquo;\u00e9clairage annulaire conventionnel projette des points chauds de r\u00e9flexion sp\u00e9culaire brillante qui masquent la g\u00e9om\u00e9trie du pad. L&rsquo;\u00e9clairage coaxial (sur l&rsquo;axe) envoie la lumi\u00e8re le long du m\u00eame axe optique que la cam\u00e9ra via un s\u00e9parateur de faisceau (beamsplitter), \u00e9liminant la r\u00e9flexion sp\u00e9culaire et r\u00e9v\u00e9lant les caract\u00e9ristiques de surface de mani\u00e8re uniforme sur tout le champ de vision.  <\/p>\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9clairage coaxial est la technique de choix pour l&rsquo;inspection des pistes de PCB, la v\u00e9rification du positionnement des pads et le contr\u00f4le qualit\u00e9 de l&rsquo;impression de p\u00e2te \u00e0 braser. Il est particuli\u00e8rement pr\u00e9cieux sur les surfaces de PCB en cuivre nu ou ENIG, o\u00f9 une r\u00e9flectivit\u00e9 \u00e9lev\u00e9e exclut d&rsquo;autres g\u00e9om\u00e9tries d&rsquo;\u00e9clairage. <\/p>\n\n<h2 class=\"wp-block-heading\">Choix de la longueur d&rsquo;onde pour l&rsquo;inspection PCB et de composants<\/h2>\n\n<p class=\"wp-block-paragraph\">Le choix de la longueur d&rsquo;onde des LED a un effet marqu\u00e9 sur le contraste de l&rsquo;image lors de l&rsquo;inspection de PCB. Diff\u00e9rentes longueurs d&rsquo;onde interagissent diff\u00e9remment avec les mat\u00e9riaux de surface du PCB, les alliages de soudure et les encres de marquage des composants. <\/p>\n\n<h3 class=\"wp-block-heading\">LED rouges et proche infrarouge<\/h3>\n\n<p class=\"wp-block-paragraph\">Les LED rouges (620-660 nm) et les LED NIR (780-940 nm) p\u00e9n\u00e8trent dans le substrat vert du PCB, r\u00e9duisant le bruit de fond d\u00fb \u00e0 la texture de la fibre de verre. L&rsquo;\u00e9clairage rouge accentue le contraste entre la soudure et le cuivre sur les cartes HASL. Le NIR \u00e0 850 nm fonctionne bien pour inspecter \u00e0 travers le vernis de tropicalisation et lire les codes sur des corps de composants sombres.  <\/p>\n\n<h3 class=\"wp-block-heading\">LED bleues et UV<\/h3>\n\n<p class=\"wp-block-paragraph\">Les LED bleues (450-470 nm) augmentent le contraste des d\u00e9tails fins sur les substrats verts de PCB. Les LED UV \u00e0 365-385 nm excitent la fluorescence des r\u00e9sidus de flux de soudage et des vernis de tropicalisation, rendant leur distribution clairement visible. L&rsquo;\u00e9clairage UV sert \u00e0 l&rsquo;inspection des vernis de tropicalisation et \u00e0 la v\u00e9rification des r\u00e9sidus de flux apr\u00e8s le brasage \u00e0 refusion et \u00e0 la vague.  <\/p>\n\n<h2 class=\"wp-block-heading\">\u00c9clairage stroboscopique pour lignes SMT \u00e0 grande vitesse<\/h2>\n\n<p class=\"wp-block-paragraph\">Les machines de pick &amp; place SMT modernes fonctionnent \u00e0 des vitesses sup\u00e9rieures \u00e0 100.000 composants par heure. Les temps d&rsquo;exposition de la cam\u00e9ra doivent rester inf\u00e9rieurs \u00e0 1 milliseconde pour \u00e9viter le flou de mouvement. Un \u00e9clairage LED continu \u00e0 la luminosit\u00e9 requise d\u00e9passerait les limites thermiques des LED et r\u00e9duirait leur dur\u00e9e de vie.  <\/p>\n\n<p class=\"wp-block-paragraph\">Un contr\u00f4leur stroboscopique d\u00e9clenche la LED en une br\u00e8ve impulsion \u2014g\u00e9n\u00e9ralement de 50 \u00e0 500 microsecondes\u2014 synchronis\u00e9e avec le d\u00e9clencheur de cam\u00e9ra. Le courant de la LED peut \u00eatre augment\u00e9 de deux \u00e0 cinq fois par rapport \u00e0 la valeur nominale en continu pendant l&rsquo;impulsion, fournissant une luminosit\u00e9 maximale pour une imagerie \u00e0 temps d&rsquo;exposition court. Les \u00e9clairages \u00e0 LED RODER Vision sont totalement compatibles avec le mode stroboscopique, offrant une \u00e9mission de pointe stable et une latence de d\u00e9clenchement de l&rsquo;ordre de la microseconde pour une synchronisation pr\u00e9cise de la cam\u00e9ra SMT.  <\/p>\n\n<h2 class=\"wp-block-heading\">Consid\u00e9rations d&rsquo;int\u00e9gration pour la vision SMT pick-and-place<\/h2>\n\n<h3 class=\"wp-block-heading\">Distance de travail et taille de l&rsquo;illuminateur<\/h3>\n\n<p class=\"wp-block-paragraph\">La distance de travail dans les syst\u00e8mes SMT est souvent limit\u00e9e par la g\u00e9om\u00e9trie de la buse et du chargeur. L&rsquo;\u00e9clairage doit s&rsquo;adapter \u00e0 l&rsquo;espace autour de l&rsquo;objectif sans entraver le mouvement de la t\u00eate de prise. Les \u00e9clairages annulaires dont le diam\u00e8tre int\u00e9rieur est adapt\u00e9 au corps de l&rsquo;objectif sont pr\u00e9f\u00e9r\u00e9s. Pour des distances de travail inf\u00e9rieures \u00e0 30 mm, les \u00e9clairages annulaires \u00e0 LED \u00e0 haute densit\u00e9 ou les \u00e9clairages ponctuels (spot) en miniature offrent la g\u00e9om\u00e9trie adapt\u00e9e.   <\/p>\n\n<h3 class=\"wp-block-heading\">Uniformit\u00e9 et stabilit\u00e9 dans le temps<\/h3>\n\n<p class=\"wp-block-paragraph\">L&rsquo;uniformit\u00e9 de l&rsquo;\u00e9clairage influe directement sur la pr\u00e9cision de la d\u00e9tection du centro\u00efde. Un \u00e9clairage non uniforme cr\u00e9e des gradients d&rsquo;intensit\u00e9 qui d\u00e9placent la position apparente des contours du composant, introduisant des erreurs de mesure syst\u00e9matiques. Les \u00e9clairages RODER Vision sont con\u00e7us pour une haute uniformit\u00e9 spatiale, avec une variation d&rsquo;intensit\u00e9 sur la surface d&rsquo;\u00e9mission v\u00e9rifi\u00e9e lors de la production.  <\/p>\n\n<p class=\"wp-block-paragraph\">Les drivers \u00e0 courant constant pour LED maintiennent une \u00e9mission stable quelle que soit la variation de la tension d&rsquo;alimentation. La technologie de gestion thermique HTTM d\u00e9velopp\u00e9e par RODER maintient la temp\u00e9rature de jonction des LED \u00e0 un niveau bas, prolongeant la dur\u00e9e de vie de l&rsquo;\u00e9clairage et la stabilit\u00e9 de l&rsquo;\u00e9mission en production continue. <\/p>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading has-text-align-center has-ti-accent-color has-text-color has-background has-link-color wp-elements-2\" style=\"border-top-left-radius:30px;border-top-right-radius:30px;border-bottom-left-radius:30px;border-bottom-right-radius:30px;background-color:#dddddd\">Produits et technologies<\/h2>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">Familles d&rsquo;illuminateurs RODER Vision pour applications SMT et pick-and-place<\/h2>\n\n<p class=\"wp-block-paragraph\">Les familles de produits RODER Vision indiqu\u00e9es ci-dessous sont les mieux adapt\u00e9es \u00e0 la vision en pick &amp; place de composants \u00e9lectroniques, \u00e0 l&rsquo;inspection de SMD et au contr\u00f4le qualit\u00e9 de PCB.<\/p>\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/led-ring-illuminators\/low-angle-led-ring-lights-dc2-series\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"3000\" height=\"2400\" src=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=3000%2C2400&#038;ssl=1\" alt=\"Anneau LED &#xE0; faible angle RODER Vision DC2 pour inspection darkfield SMD\" class=\"wp-image-1351\" srcset=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?w=3000&amp;ssl=1 3000w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=1024%2C819&amp;ssl=1 1024w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=1536%2C1229&amp;ssl=1 1536w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=2048%2C1638&amp;ssl=1 2048w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC2_55X29.png?resize=1200%2C960&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/led-ring-illuminators\/low-angle-led-ring-lights-dc2-series\/\">DC2 \u2014 \u00c9clairages annulaires \u00e0 faible angle \u00e0 LED<\/a><\/h4>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:14px\">\u00c9clairage en champ sombre \u00e0 incidence rasante pour l&rsquo;inspection de la coplanarit\u00e9 des broches, des joints de soudure et de la texture de surface. Fait ressortir la g\u00e9om\u00e9trie des broches des IC \u00e0 pas fin que les \u00e9clairages annulaires standard ne d\u00e9tectent pas. <\/p>\n<\/div>\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/led-ring-illuminators\/high-intensity-led-ring-lights-dc4-series\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"3000\" height=\"2400\" src=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=3000%2C2400&#038;ssl=1\" alt=\"Anneau LED haute intensit&#xE9; RODER Vision DC4 pour vision SMT pick-and-place\" class=\"wp-image-1416\" srcset=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?w=3000&amp;ssl=1 3000w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=1024%2C819&amp;ssl=1 1024w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=1536%2C1229&amp;ssl=1 1536w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=2048%2C1638&amp;ssl=1 2048w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2020\/10\/DC3_86X40-RENDER.png?resize=1200%2C960&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/led-ring-illuminators\/high-intensity-led-ring-lights-dc4-series\/\">DC4 \u2014 \u00c9clairages annulaires \u00e0 haute intensit\u00e9 \u00e0 LED<\/a><\/h4>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:14px\">\u00c9clairage annulaire direct \u00e0 haute intensit\u00e9 pour la reconnaissance de composants, la v\u00e9rification de polarit\u00e9 et la lisibilit\u00e9 du marquage. Compatible stroboscope pour la synchronisation des cam\u00e9ras SMT \u00e0 haute vitesse. <\/p>\n<\/div>\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"&lt;!--[CDATA[https:\/\/visiotronix.com\/products\/machine-vision-lighting\/led-backlight-illuminators-bl2-series\/]]--&gt;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"2000\" src=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=2000%2C2000&#038;ssl=1\" alt=\"Illuminateur LED en r&#xE9;tro&#xE9;clairage RODER Vision BL2 pour inspection en silhouette SMD\" class=\"wp-image-6899\" srcset=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?w=2000&amp;ssl=1 2000w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2025\/10\/roder_vision_bl2_backlight_led_illuminator_200x200_masterimage_2000x2000.png?resize=120%2C120&amp;ssl=1 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl2-series\/\">BL2 \u2014 R\u00e9tro\u00e9clairages \u00e0 LED<\/a><\/h4>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:14px\">R\u00e9tro\u00e9clairage uniforme pour la v\u00e9rification de la silhouette des composants, du pas des broches, des dimensions du corps et de la prise de la buse. \u00c9limine les variables de r\u00e9flectivit\u00e9 de surface lors de la mesure dimensionnelle. <\/p>\n<\/div>\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/illuminateurs-led-spot\/high-intensity-spot-led-illuminators-dl3m-series\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?resize=600%2C600&#038;ssl=1\" alt=\"Spot LED miniature RODER Vision DL3M pour vision SMT pick-and-place compacte\" class=\"wp-image-1533\" srcset=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?w=600&amp;ssl=1 600w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2021\/05\/DL3M_bianco_backlight.png?resize=200%2C200&amp;ssl=1 200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/visiotronix.com\/fr\/products\/illuminateurs-led-spot\/high-intensity-spot-led-illuminators-dl3m-series\/\">DL3M \u2014 \u00c9clairages ponctuels \u00e0 LED en miniature<\/a><\/h4>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:14px\">Format ultra-compact pour l&rsquo;int\u00e9gration dans des t\u00eates de pick &amp; place \u00e0 espace restreint. Options \u00e0 multiples longueurs d&rsquo;onde pour la lisibilit\u00e9 du marquage des composants et l&rsquo;inspection de fluorescence UV. <\/p>\n<\/div>\n<\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading vx-h2\">Questions fr\u00e9quemment pos\u00e9es<\/h2>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-smt-01\"><strong class=\"schema-faq-question\">Quel type d&rsquo;illuminateur LED convient le mieux \u00e0 la vision pick-and-place SMD ?<\/strong> <p class=\"schema-faq-answer\">Les \u00e9clairages annulaires \u00e0 LED \u00e0 haute intensit\u00e9 constituent la solution standard. Mont\u00e9s de mani\u00e8re coaxiale avec l&rsquo;objectif de la cam\u00e9ra, ils fournissent un \u00e9clairage directionnel stable pour le contraste des contours du composant. Les \u00e9clairages annulaires \u00e0 faible angle sont pr\u00e9f\u00e9r\u00e9s pour l&rsquo;inspection de la coplanarit\u00e9 des broches et des joints de soudure.  <\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-smt-02\"><strong class=\"schema-faq-question\">Pourquoi l&rsquo;\u00e9clairage stroboscopique est-il important dans les syst\u00e8mes d&rsquo;inspection SMT ?<\/strong> <p class=\"schema-faq-answer\">Les machines SMT fonctionnent \u00e0 plus de 100.000 composants par heure, c&rsquo;est pourquoi les temps d&rsquo;exposition de la cam\u00e9ra doivent rester inf\u00e9rieurs \u00e0 1 milliseconde pour \u00e9viter le flou de mouvement. Le mode stroboscopique envoie des impulsions \u00e0 la LED au courant maximal pendant l&rsquo;exposition de la cam\u00e9ra, fournissant la luminosit\u00e9 requise pour les expositions courtes sans d\u00e9passer les limites thermiques. <\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-smt-03\"><strong class=\"schema-faq-question\">Quand doit-on utiliser un illuminateur en r\u00e9tro\u00e9clairage pour l&rsquo;inspection PCB ?<\/strong> <p class=\"schema-faq-answer\">Les r\u00e9tro\u00e9clairages sont utilis\u00e9s pour l&rsquo;inspection de la silhouette des composants, la mesure dimensionnelle, la v\u00e9rification du pas des broches et la confirmation de la prise de la buse. Le fond lumineux et uniforme \u00e9limine les variables de r\u00e9flectivit\u00e9 de surface. <\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-smt-04\"><strong class=\"schema-faq-question\">Quelle longueur d&rsquo;onde LED est recommand\u00e9e pour l&rsquo;inspection PCB et soudures ?<\/strong> <p class=\"schema-faq-answer\">Les LED rouges de 620-660 nm am\u00e9liorent le contraste entre la soudure et le cuivre. Les LED bleues de 450-470 nm accentuent le contraste sur les substrats verts de PCB. L&rsquo;UV \u00e0 365-385 nm r\u00e9v\u00e8le les r\u00e9sidus de flux. Le NIR \u00e0 850 nm permet d&rsquo;inspecter \u00e0 travers les vernis de tropicalisation.   <\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-smt-05\"><strong class=\"schema-faq-question\">Comment l&rsquo;\u00e9clairage influe-t-il sur les taux de faux rejets en pick-and-place ?<\/strong> <p class=\"schema-faq-answer\">Un \u00e9clairage incorrect r\u00e9duit le contraste des contours et produit des images non uniformes, ce qui entra\u00eene des lectures inexactes de la position des composants. Choisir le bon \u00e9clairage est le moyen le plus efficace de r\u00e9duire les taux de faux rejets. <\/p><\/div><\/div>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-ti-accent-color has-text-color has-link-color wp-elements-3\">Contacts et informations<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Contact pour informations g\u00e9n\u00e9rales : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/>Partenaire d&rsquo;int\u00e9gration de syst\u00e8mes et de capteurs : <a href=\"http:\/\/www.roder.it\">www.roder.it<\/a><br\/>Division Vision Industrielle RODER : <a href=\"http:\/\/visiotronix.com\/fr\/\">www.visiotronix.com<\/a><br\/>Division Instruments RODER : <a href=\"http:\/\/www.innovacheck.com\">www.innovacheck.com<\/a><br\/>Plus d&rsquo;informations sur VISIOTRONIX : <a href=\"https:\/\/visiotronix.com\/about-us\/\">\u00e0 propos de nous<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les informations contenues sur ce site web sont fournies uniquement \u00e0 des fins d&rsquo;information. Bien qu&rsquo;elles aient \u00e9t\u00e9 pr\u00e9par\u00e9es avec le plus grand soin, elles ne constituent pas une offre contractuelle ni un engagement contraignant de fourniture. Elles peuvent contenir des erreurs de transcription, de traduction ou des erreurs typographiques. Pour obtenir des informations pr\u00e9cises et \u00e0 jour, veuillez contacter directement notre entreprise.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Veuillez noter:<\/strong> Certaines images de ce site web ont \u00e9t\u00e9 intentionnellement g\u00e9n\u00e9r\u00e9es par Intelligence Artificielle (IA). Cela est d\u00fb au fait que, pour de nombreuses applications et de nombreux projets, il n&rsquo;est pas possible de divulguer des photographies de l&rsquo;installation ou du syst\u00e8me r\u00e9el en raison d&rsquo;accords de confidentialit\u00e9, de clauses contractuelles et d&rsquo;accords de non-divulgation (NDA). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un \u00e9clairage \u00e0 LED pr\u00e9cis est la cl\u00e9 d&rsquo;un guidage fiable des robots pick &#038; place SMD. D\u00e9couvrez comment choisir les \u00e9clairages annulaires, le r\u00e9tro\u00e9clairage et les \u00e9clairages \u00e0 faible angle pour l&rsquo;inspection du placement de composants sur PCB. <\/p>\n","protected":false},"author":157040980,"featured_media":10267,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[688638013],"tags":[688638040,688638149,688638150,688638151,688638057,688638066],"class_list":["post-10266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","tag-eclairage-pour-vision-industrielle","tag-eclairage-stroboscopique-pulse","tag-electronique-pcb","tag-detection-de-defauts","tag-inspection-par-vision-industrielle","tag-robots-pick-and-place"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Placements de composants \u00e9lectroniques<\/title>\n<meta name=\"description\" content=\"Placement de composants \u00e9lectroniques : strat\u00e9gies d&#039;\u00e9clairage pour les pick-and-place robots. \u00c9clairages LED pour la vision industrielle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/visiotronix.com\/fr\/applications\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Placements de composants \u00e9lectroniques\" \/>\n<meta property=\"og:description\" content=\"Placement de composants \u00e9lectroniques : strat\u00e9gies d&#039;\u00e9clairage pour les pick-and-place robots. \u00c9clairages LED pour la vision industrielle.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/visiotronix.com\/fr\/applications\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\/\" \/>\n<meta property=\"og:site_name\" content=\"RODER Vision\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-21T01:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-23T09:50:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/visiotronix.com\/wp-content\/uploads\/2026\/01\/ricerca_pattern.png?fit=710%2C422&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"710\" \/>\n\t<meta property=\"og:image:height\" content=\"422\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"GSM\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"GSM\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/visiotronix.com\\\/fr\\\/applications\\\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/visiotronix.com\\\/fr\\\/applications\\\/placement-de-composants-electroniques-strategies-declairage-pour-robots-pick-and-place\\\/\"},\"author\":{\"name\":\"GSM\",\"@id\":\"https:\\\/\\\/visiotronix.com\\\/fr\\\/#\\\/schema\\\/person\\\/20db15c770967d0c4d676b563d3d6ee4\"},\"headline\":\"Strat\u00e9gies d&rsquo;\u00e9clairage pour robots pick &#038; 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