{"id":607,"date":"2021-12-28T09:16:34","date_gmt":"2021-12-28T01:16:34","guid":{"rendered":"https:\/\/showinhydro.com\/?p=607"},"modified":"2021-12-28T09:50:18","modified_gmt":"2021-12-28T01:50:18","slug":"analyse-et-traitement-des-defaillances-du-revetement-exterieur","status":"publish","type":"post","link":"https:\/\/showinhydro.com\/fr\/knowledge\/failure-analysis-and-treatment-of-outer-cladding\/","title":{"rendered":"Analyse et traitement des d\u00e9faillances du rev\u00eatement ext\u00e9rieur"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Tuyau non adapt\u00e9 \u00e0 la temp\u00e9rature ambiante<\/h2>\n\n\n\n<p>En raison d'une s\u00e9lection inadapt\u00e9e du tuyau, le tuyau en caoutchouc se trouve dans un environnement \u00e0 basse temp\u00e9rature lorsqu'il est utilis\u00e9 ou pli\u00e9. Des fissures apparaissent lorsqu'il est utilis\u00e9 ou pli\u00e9 dans un environnement \u00e0 basse temp\u00e9rature ; un ph\u00e9nom\u00e8ne de vieillissement du caoutchouc appara\u00eet lorsqu'il est utilis\u00e9 dans un environnement \u00e0 haute temp\u00e9rature. Ph\u00e9nom\u00e8ne de vieillissement.<\/p>\n\n\n\n<p>Traitement : pour les machines fonctionnant dans un environnement froid, il convient d'utiliser un tuyau r\u00e9sistant aux basses temp\u00e9ratures, le tuyau lui-m\u00eame devant \u00eatre adapt\u00e9 \u00e0 la temp\u00e9rature de l'environnement ; pour les machines fonctionnant dans un environnement \u00e0 haute temp\u00e9rature, il convient d'utiliser un tuyau r\u00e9sistant aux hautes temp\u00e9ratures, le tuyau lui-m\u00eame devant \u00eatre adapt\u00e9 \u00e0 la temp\u00e9rature \u00e9lev\u00e9e de l'environnement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bombement du rev\u00eatement ext\u00e9rieur<\/h2>\n\n\n\n<p>Si le renflement appara\u00eet dans la partie centrale du tuyau, il est principalement d\u00fb \u00e0 un probl\u00e8me de qualit\u00e9 de la production du tuyau ; si le renflement appara\u00eet pr\u00e8s du joint du tuyau, il est principalement d\u00fb \u00e0 une mauvaise installation du joint. mauvaise installation.<\/p>\n\n\n\n<p>Traitement : gonflement, le tuyau doit \u00eatre remplac\u00e9 en temps utile, et l'usine de fabrication de tuyaux doit communiquer avec le fabricant de tuyaux pour contr\u00f4ler la qualit\u00e9 du produit, tout en surveillant le processus d'assemblage et de bouclage du site, afin de garantir la qualit\u00e9 des mati\u00e8res premi\u00e8res et des exigences en mati\u00e8re d'assemblage et de bouclage du tuyau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Infiltration d'huile au niveau de la courbure du rev\u00eatement ext\u00e9rieur<\/h2>\n\n\n\n<p>L'infiltration d'huile au niveau du coude ext\u00e9rieur du tuyau peut \u00eatre caus\u00e9e par les raisons suivantes : la pression de travail r\u00e9elle du tuyau est trop \u00e9lev\u00e9e pour acc\u00e9l\u00e9rer l'endommagement du caoutchouc interne, et la pression d'huile \u00e0 l'int\u00e9rieur du tuyau est trop \u00e9lev\u00e9e, ce qui entra\u00eene le lavage du caoutchouc synth\u00e9tique de la couche de rev\u00eatement interne, et le caoutchouc sera continuellement lav\u00e9 au cours du travail \u00e0 long terme. Deuxi\u00e8mement, le rayon de courbure trop faible du tuyau est la cause principale de cette d\u00e9faillance, si le rayon de courbure r\u00e9el du tuyau est inf\u00e9rieur \u00e0 son rayon de courbure minimum, il acc\u00e9l\u00e9rera la d\u00e9t\u00e9rioration du tuyau, ce qui entra\u00eenera des infiltrations d'huile.<\/p>\n\n\n\n<p>Traitement : Les suintements d'huile doivent \u00eatre remplac\u00e9s \u00e0 temps. Tuyau en cours d'utilisation Le rayon de courbure en cours d'utilisation est sup\u00e9rieur au rayon de courbure minimum sp\u00e9cifi\u00e9 pour assurer une courbure r\u00e9guli\u00e8re. La pression de service r\u00e9elle du tuyau doit \u00eatre inf\u00e9rieure \u00e0 la pression de service maximale du tuyau. Si la pression est trop \u00e9lev\u00e9e, le tuyau \u00e9clatera. Par cons\u00e9quent, lors de la s\u00e9lection du tuyau, il est recommand\u00e9 que la pression de service maximale du tuyau soit 1,33 fois sup\u00e9rieure \u00e0 la pression de service r\u00e9elle. Par cons\u00e9quent, lors du choix du tuyau, il est recommand\u00e9 que la pression de service maximale du tuyau soit sup\u00e9rieure \u00e0 1,33 fois la pression de service r\u00e9elle afin de garantir la s\u00e9curit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fissuration du rev\u00eatement ext\u00e9rieur<\/h2>\n\n\n\n<p>La fissuration de la surface ext\u00e9rieure du tuyau est une manifestation du vieillissement du tuyau, qui a beaucoup \u00e0 voir avec la qualit\u00e9 du fabricant du tuyau. La couche ext\u00e9rieure du caoutchouc synth\u00e9tique \u00e9tant moins r\u00e9sistante aux milieux int\u00e9gr\u00e9s, la surface ext\u00e9rieure vieillit et se d\u00e9t\u00e9riore facilement. Une longue exposition \u00e0 la d\u00e9t\u00e9rioration acc\u00e9l\u00e9r\u00e9e, le tuyau en mouvement ou en flexion, la surface se fissurera.<\/p>\n\n\n\n<p>Traitement : Si la surface du tuyau vieillit et se fissure, le tuyau doit \u00eatre remplac\u00e9. Tuyau La couche de rev\u00eatement ext\u00e9rieur doit \u00eatre en caoutchouc synth\u00e9tique r\u00e9sistant \u00e0 l'huile, \u00e0 l'usure et \u00e0 toutes sortes de fluides. Le demandeur et le fournisseur doivent parvenir \u00e0 un accord pour s'assurer que le tuyau r\u00e9pond aux exigences de l'environnement de travail dans lequel se trouve l'ensemble de la machine. Le demandeur et le fournisseur doivent se mettre d'accord pour s'assurer que le tuyau r\u00e9pond aux exigences de dur\u00e9e de vie de l'environnement de travail o\u00f9 se trouve la machine.<\/p>\n\n\n\n<p>L'analyse et le traitement des d\u00e9faillances du rev\u00eatement ext\u00e9rieur concernent essentiellement les 4 cas ci-dessus. Dans les articles suivants, nous analyserons plusieurs autres cas en d\u00e9tail. Si vous avez d'autres questions, n'h\u00e9sitez pas \u00e0 nous contacter.<\/p>\n\n\n\n<p>Henan Xiuyuan Hydraulic Technology Co. attend votre demande.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hose not adapted to ambient temperature Due to the unsuitable selection of hose, the rubber hose in the low-temperature environment when working under the operation or bending Cracks appear when operating or bending in low temperature environment; rubber aging phenomenon appears when working in high temperature environment. Aging phenomenon. Treatment: the machine works in cold [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-607","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Failure Analysis and Treatment of Outer Cladding - Xiuyuan Hydraulic Technology Co., Ltd<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/showinhydro.com\/fr\/connaissances\/analyse-et-traitement-des-defaillances-du-revetement-exterieur\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Failure Analysis and Treatment of Outer Cladding\" \/>\n<meta property=\"og:description\" content=\"Hose not adapted to ambient temperature Due to the unsuitable selection of hose, the rubber hose in the low-temperature environment when working under the operation or bending Cracks appear when operating or bending in low temperature environment; rubber aging phenomenon appears when working in high temperature environment. 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