{"id":817,"date":"2022-03-03T07:18:52","date_gmt":"2022-03-03T06:18:52","guid":{"rendered":"https:\/\/spectraldynamics.eu\/?post_type=faq&#038;p=817"},"modified":"2024-01-08T15:33:39","modified_gmt":"2024-01-08T14:33:39","slug":"introduction-to-environmental-testing","status":"publish","type":"faq","link":"https:\/\/spectraldynamics.eu\/fr\/technical-blog\/introduction-to-environmental-testing\/","title":{"rendered":"Introduction aux tests environnementaux"},"content":{"rendered":"<h2 class=\"wp-block-heading western\"><span lang=\"en-GB\">Essais environnementaux : Introduction<\/span><\/h2>\n\n\n\n<p class=\"western\">Les tests environnementaux font partie du travail effectu\u00e9 par l&#039;industrie des tests et mesures. Les constructeurs d&#039;\u00e9quipements de test et de mesure ne fabriquent pas de produits destin\u00e9s aux utilisateurs finaux. Au lieu de cela, leur \u00e9quipement est vendu \u00e0 d&#039;autres entreprises qui l&#039;utilisent pour tester et v\u00e9rifier le bon fonctionnement des produits d&#039;utilisateur final qu&#039;ils fabriquent eux-m\u00eames, ou d&#039;autres \u00e9quipements tiers qu&#039;ils utilisent pour fabriquer leurs propres produits. Par exemple, les entreprises qui fabriquent des voltm\u00e8tres, des oscilloscopes et d&#039;autres appareils de mesure \u00e9lectriques font partie de l&#039;industrie du test et de la mesure\u00a0; tout comme les fabricants d&#039;\u00e9triers, de cales \u00e9talons et d&#039;autres appareils pour mesurer avec pr\u00e9cision les distances.<\/p>\n\n\n\n<p class=\"western\">Les tests environnementaux soumettent un produit aux contraintes qu&#039;il rencontrera apr\u00e8s sa fabrication, pour s&#039;assurer qu&#039;il survivra et fonctionnera correctement apr\u00e8s avoir endur\u00e9 ses environnements d&#039;exp\u00e9dition et d&#039;utilisation. Les tests environnementaux peuvent utilement \u00eatre r\u00e9alis\u00e9s \u00e0 plusieurs \u00e9tapes du cycle de vie d&#039;un produit. Dans la phase de conception, les tests de prototypes peuvent r\u00e9v\u00e9ler des d\u00e9fauts de conception ou des mat\u00e9riaux ou composants inad\u00e9quats. Le test du produit fabriqu\u00e9 peut inclure le d\u00e9pistage du stress, les tests de production, la qualification du produit ou la surveillance de la sant\u00e9.<\/p>\n\n\n\n<p class=\"western\">Dans le cadre du d\u00e9pistage des contraintes, le produit est soumis \u00e0 des conditions environnementales suffisamment s\u00e9v\u00e8res pour identifier les composants d\u00e9fectueux ou les d\u00e9fauts de fabrication, mais pas au point d&#039;endommager les produits correctement fabriqu\u00e9s. Les tests de production sont destin\u00e9s \u00e0 d\u00e9tecter les sous-ensembles d\u00e9fectueux re\u00e7us de fournisseurs externes, ainsi que les probl\u00e8mes dans le processus de fabrication ou d&#039;assemblage. La qualification du produit d\u00e9montre la capacit\u00e9 du produit \u00e0 satisfaire une exigence ou une sp\u00e9cification particuli\u00e8re du client. La surveillance de l&#039;int\u00e9grit\u00e9 est effectu\u00e9e pour d\u00e9tecter les performances d\u00e9grad\u00e9es ou les d\u00e9faillances naissantes du produit \u00e0 temps pour effectuer la maintenance planifi\u00e9e.<\/p>\n\n\n\n<p class=\"western\">Dans toutes ces utilisations, l&#039;objectif et le r\u00e9sultat final des tests environnementaux est un produit d&#039;une qualit\u00e9 et d&#039;une fiabilit\u00e9 am\u00e9lior\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading western\"><span lang=\"en-GB\">Param\u00e8tres des tests environnementaux<\/span><\/h2>\n\n\n\n<p class=\"western\">Chaque type de contrainte environnementale est appel\u00e9 un param\u00e8tre de test (environnemental). Il existe de nombreux types de param\u00e8tres de ce type par rapport auxquels un produit peut \u00eatre test\u00e9, en fonction non seulement de la nature du produit lui-m\u00eame, mais \u00e9galement de son environnement de transport et d&#039;utilisation. Certains param\u00e8tres de test environnementaux importants sont donn\u00e9s ci-dessous\u00a0:<\/p>\n\n\n\n<ul>\n<li>Temp\u00e9rature (extr\u00eames de chaleur et de froid)<\/li>\n\n\n\n<li>Solvants et r\u00e9actifs chimiques<\/li>\n\n\n\n<li>Bruit \u00e9lectromagn\u00e9tique (pour les \u00e9quipements \u00e9lectroniques)<\/li>\n\n\n\n<li>Bruit acoustique<\/li>\n\n\n\n<li>Vibration m\u00e9canique, \u00e0 la fois en r\u00e9gime permanent et transitoire<\/li>\n\n\n\n<li>Surpressions explosives (pour les \u00e9quipements militaires proches de l&#039;artillerie)<\/li>\n\n\n\n<li>\u2026<\/li>\n<\/ul>\n\n\n\n<p class=\"western\">Un \u00e9quipement de test sp\u00e9cialis\u00e9 a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour effectuer des tests environnementaux pour chacun des param\u00e8tres de test ci-dessus. L&#039;\u00e9quipement qui teste par rapport \u00e0 un certain param\u00e8tre est con\u00e7u pour produire des quantit\u00e9s mesur\u00e9es avec pr\u00e9cision de ce type de stress dans un environnement de laboratoire et pour permettre \u00e0 l&#039;exp\u00e9rimentateur de r\u00e9p\u00e9ter exactement un test aussi souvent qu&#039;il le souhaite.<\/p>\n\n\n\n<p class=\"western\">La vibration m\u00e9canique est le param\u00e8tre environnemental d&#039;int\u00e9r\u00eat chez Spectral Dynamics. Une large gamme de nos produits traitait des vibrations : secoueurs ED ou hydrauliques, nos contr\u00f4leurs, le syst\u00e8me PIND Felix.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les tests environnementaux font partie du travail effectu\u00e9 par l&#039;industrie des tests et mesures.<\/p>","protected":false},"featured_media":857,"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>Introduction to environmental 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\/introduction-to-environmental-testing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction to environmental testing &#8212; 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