{"id":6194,"date":"2020-05-01T00:00:00","date_gmt":"2020-05-01T00:00:00","guid":{"rendered":"https:\/\/dev.micronora-informations.fr\/index.php\/2020\/05\/01\/detection-de-defauts-a-grande-vitesse\/"},"modified":"2020-05-01T00:00:00","modified_gmt":"2020-05-01T00:00:00","slug":"detection-de-defauts-a-grande-vitesse","status":"publish","type":"post","link":"https:\/\/micronora.com\/en\/detection-de-defauts-a-grande-vitesse\/","title":{"rendered":"D\u00e9tection de d\u00e9fauts \u00e0 grande vitesse"},"content":{"rendered":"<p><img decoding=\"async\" class=\" alignleft size-full wp-image-2316\" src=\"https:\/\/micronora.com\/wp-content\/uploads\/2020\/05\/152-029-001.jpg\" alt=\"152-029-001.jpg\" data-description=\"Le syst\u00e8me d'\u00e9clairage PPL (Pattern Projection Lightning) combine l'acquisition des informations de hauteur avec l'analyse 2D et renforce la fiabilit\u00e9 des contr\u00f4les.\" align=\"left\" width=\"848\" height=\"626\" \/>Selon les sp\u00e9cialistes de la mesure industrielle, la qualit\u00e9 d&#8217;un contr\u00f4le visuel automatis\u00e9 est d\u00e9termin\u00e9 \u00e0 80 % par l&#8217;\u00e9clairage. Le syst\u00e8me d&#8217;\u00e9clairage PPL (Pattern Projection Lightning ou \u00e9clairage par projection de franges) mis au point par Keyence pour ses plateformes de contr\u00f4le visuel automatis\u00e9 CV-X et XG-X fiabilise la d\u00e9tection de d\u00e9fauts par vision 2D. Comment ? Tout simplement gr\u00e2ce \u00e0 l&#8217;acquisition d&#8217;informations de hauteur en surface des pi\u00e8ces contr\u00f4l\u00e9es. Plusieurs motifs de franges lumineuses (rayures) sont projet\u00e9s \u00e0 grande vitesse sur la pi\u00e8ce contr\u00f4l\u00e9e. Un traitement appropri\u00e9 des images capt\u00e9es sous cet \u00e9clairage particulier permet d&#8217;\u00e9valuer la hauteur des points qui se trouvent sur\u00e9lev\u00e9s par rapport \u00e0 la surface de l&#8217;objet contr\u00f4l\u00e9. En combinant l&#8217;acquisition de ces informations de hauteur avec l&#8217;analyse 2D, Keyence renforce la fiabilit\u00e9 des contr\u00f4les. Ceci lui permet d&#8217;assurer une synchronisation tr\u00e8s pr\u00e9cise des trois fonctions (\u00e9clairage, capture, traitement), pour des tests de qualit\u00e9, m\u00eame \u00e0 grande vitesse. Cette technologie travaille sous 8 angles de projection diff\u00e9rents afin de minimiser les pertes d&#8217;informations de hauteur dans le champ de l&#8217;image et d&#8217;affiner consid\u00e9rablement la capacit\u00e9 de d\u00e9tection des formes en surface de la pi\u00e8ce sous contr\u00f4le. Ce syst\u00e8me d&#8217;\u00e9clairage prend en charge la technologie LumiTrax TM du constructeur qui permet aux industriels n&#8217;ayant pas d&#8217;expertise en mati\u00e8re d&#8217;\u00e9clairage, de r\u00e9aliser des contr\u00f4les complexes. Un seul et m\u00eame \u00e9clairage s&#8217;adapte \u00e0 toutes les applications et s&#8217;affranchit de l&#8217;influence des sources de lumi\u00e8re environnantes, des variations de contraste, ou encore de la variabilit\u00e9 de la couleur de fond. Ses performances int\u00e9resseront diverses industries : automobile, m\u00e9dicale, \u00e9lectronique, injection plastique\u2026<br \/>\nwww.keyence.fr<br \/>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Selon les sp\u00e9cialistes de la mesure industrielle, la qualit\u00e9 d&#8217;un  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":1765979265,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73,69,76,82,66,81],"tags":[89],"class_list":["post-6194","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ingenierie-recherche-et-transfert-de-technologies-microtechniques","category-mecanique-de-precision","category-metrologie-mesure-controle","category-rd-produits-et-sous-traitance","category-robotique-et-automatisation-conception-et-realisation","category-usinage-micro-usinage","tag-micronora-informations-n152-mai-2020"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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