{"id":819,"date":"2022-03-03T07:55:27","date_gmt":"2022-03-03T06:55:27","guid":{"rendered":"https:\/\/spectraldynamics.eu\/?post_type=faq&#038;p=819"},"modified":"2024-01-08T15:32:51","modified_gmt":"2024-01-08T14:32:51","slug":"purposes-of-vibration-testing","status":"publish","type":"faq","link":"https:\/\/spectraldynamics.eu\/fr\/technical-blog\/purposes-of-vibration-testing\/","title":{"rendered":"Objectifs des tests de vibration"},"content":{"rendered":"<p>L&#039;objectif principal des tests de vibration est de produire avec pr\u00e9cision, dans un environnement de laboratoire, des environnements de vibration r\u00e9els pour un grand nombre de structures, d&#039;appareils et de produits\u00a0; et pour dupliquer avec pr\u00e9cision n&#039;importe quel test de vibration particulier un certain nombre de fois.<\/p>\n\n\n\n<p>La r\u00e9alisation de cet objectif fondamental permet d&#039;atteindre un certain nombre d&#039;objectifs tr\u00e8s importants\u00a0:<\/p>\n\n\n\n<ul>\n<li>Am\u00e9liorer la qualit\u00e9, la fiabilit\u00e9 et la dur\u00e9e de vie d&#039;un produit.<\/li>\n\n\n\n<li>Am\u00e9liorer la satisfaction client, ce qui am\u00e9liore la r\u00e9putation, les ventes et la part de march\u00e9 du fabricant.<\/li>\n\n\n\n<li>R\u00e9duisez le temps de test par produit (et par cons\u00e9quent le co\u00fbt).<\/li>\n<\/ul>\n\n\n\n<p>\u00c0 l&#039;appui de cette affirmation, il a \u00e9t\u00e9 constat\u00e9 que les tests de vibration trouvent autant d&#039;erreurs que les tests thermiques (toujours le param\u00e8tre de test environnemental le plus couramment utilis\u00e9), mais le font en 20% ou moins de temps pour effectuer un test thermique comparable.<\/p>\n\n\n\n<ul>\n<li>Les tests de produits effectu\u00e9s \u00e0 l&#039;usine du fabricant permettent d&#039;identifier les probl\u00e8mes \u00e0 un moment o\u00f9 ils peuvent \u00eatre corrig\u00e9s le plus efficacement et \u00e0 moindre co\u00fbt. En particulier, les tests en usine et la d\u00e9tection des pannes r\u00e9duisent consid\u00e9rablement le nombre de r\u00e9parations sous garantie, souvent co\u00fbteuses.<\/li>\n<\/ul>\n\n\n\n<p>D&#039;autres objectifs sont sp\u00e9cifiques au type de test impliqu\u00e9 : test de prototype, test de production et surveillance de la sant\u00e9 du produit.<\/p>\n\n\n\n<ul>\n<li><strong>Essais de prototypes.<\/strong> La d\u00e9tection d&#039;erreurs dans les unit\u00e9s prototypes d&#039;un produit permet une correction pr\u00e9coce des probl\u00e8mes de conception et de mat\u00e9riau, et la v\u00e9rification rapide des modifications de conception ou de mat\u00e9riau destin\u00e9es \u00e0 \u00e9liminer le probl\u00e8me. Cette proc\u00e9dure peut r\u00e9duire consid\u00e9rablement le temps de mise sur le march\u00e9 d&#039;un nouveau produit. Pour les produits qui sont emball\u00e9s avant d&#039;\u00eatre exp\u00e9di\u00e9s de l&#039;usine\u00a0; les tests de prototypes de conceptions d&#039;emballages (appel\u00e9s tests d&#039;emballages) peuvent fournir des informations menant \u00e0 un compromis efficace entre la conception optimale des emballages et le co\u00fbt. Modifications \u00e9galement apport\u00e9es au produit pour le rendre plus robuste et mieux \u00e0 m\u00eame de r\u00e9sister \u00e0 l&#039;exp\u00e9dition sans dommage de transport.<\/li>\n\n\n\n<li><strong>Essais de fabrication.<\/strong> Les tests de produits sur la cha\u00eene de production avant l&#039;emballage et l&#039;exp\u00e9dition permettent un contr\u00f4le continu des performances des composants et des sous-ensembles du produit, ainsi que du processus de fabrication lui-m\u00eame. De cette mani\u00e8re, les d\u00e9fauts dans les composants et dans le processus de fabrication et d&#039;assemblage sont d\u00e9tect\u00e9s \u00e0 un point o\u00f9 ils peuvent \u00eatre d\u00e9tect\u00e9s et corrig\u00e9s avec un co\u00fbt et un temps minimum. Comme indiqu\u00e9 ci-dessus, cela peut r\u00e9duire consid\u00e9rablement les frais de r\u00e9paration sous garantie.<\/li>\n\n\n\n<li><strong>Surveillance de la sant\u00e9 des produits.<\/strong> Les tests p\u00e9riodiques d&#039;un produit install\u00e9 et l&#039;archivage des r\u00e9sultats des tests peuvent d\u00e9tecter des changements pr\u00e9coces dans les performances du produit. Ces changements sont souvent le premier signe d&#039;une usure m\u00e9canique normale, ou d&#039;un endommagement du produit comme la propagation de fissures. Une telle d\u00e9tection pr\u00e9coce des probl\u00e8mes permet une planification opportune de la maintenance du produit, et peut en particulier \u00e9viter les temps d&#039;arr\u00eat impr\u00e9vus et les pannes catastrophiques.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>L&#039;objectif principal des tests de vibration est de produire avec pr\u00e9cision, dans un environnement de laboratoire, des environnements vibratoires r\u00e9els pour un grand nombre de structures, d&#039;appareils et de produits.<\/p>","protected":false},"featured_media":854,"comment_status":"closed","ping_status":"closed","template":"","category_faq":[11],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Purposes of vibration testing &#8212; Spectral Dynamics<\/title>\n<meta name=\"description\" content=\"test\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/spectraldynamics.eu\/fr\/technical-blog\/purposes-of-vibration-testing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Purposes of vibration testing &#8212; 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