{"id":886,"date":"2025-11-18T13:05:28","date_gmt":"2025-11-18T13:05:28","guid":{"rendered":"https:\/\/csumachine.com\/?p=886"},"modified":"2025-11-18T13:05:30","modified_gmt":"2025-11-18T13:05:30","slug":"analyse-des-fuites-dhuile-des-galets-de-roulement-et-methodes-dentretien","status":"publish","type":"post","link":"https:\/\/csumachine.com\/fr\/analyse-des-fuites-dhuile-des-galets-de-roulement-et-methodes-dentretien\/","title":{"rendered":"Analyse des fuites d'huile des galets de roulement et m\u00e9thodes d'entretien"},"content":{"rendered":"<p>Le galet de roulement est un \u00e9l\u00e9ment essentiel de toute machine de construction \u00e0 chenilles. Il supporte tout le poids de l'\u00e9quipement et travaille souvent dans des environnements difficiles tels que le gravier, la boue et l'eau. Pour assurer son bon fonctionnement, le galet de roulement doit conserver d'excellentes performances d'\u00e9tanch\u00e9it\u00e9. En hiver, les basses temp\u00e9ratures rendent les fuites d'huile encore plus fr\u00e9quentes, ce qui peut affecter les performances globales de la machine et l'avancement des travaux.<br>Il est donc particuli\u00e8rement important de comprendre les causes des fuites d'huile et d'appliquer une maintenance cibl\u00e9e.<\/p>\n\n\n\n<p>01 Principe de fonctionnement du rouleau compresseur<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Lorsque le galet de roulement est en fonctionnement, les embouts - ainsi que les bagues en caoutchouc \u00e0 joint flottant, les bagues \u00e0 joint flottant, l'arbre et les joints toriques - restent fix\u00e9s au ch\u00e2ssis de la machine. Pendant ce temps, le corps du rouleau et les bagues bim\u00e9talliques (ainsi que les bagues d'\u00e9tanch\u00e9it\u00e9 flottantes et les bagues en caoutchouc aux deux extr\u00e9mit\u00e9s) tournent autour de l'arbre.<\/p>\n\n\n\n<p>Pour r\u00e9duire le frottement et l'usure, une quantit\u00e9 sp\u00e9cifique de lubrifiant est ajout\u00e9e \u00e0 la cavit\u00e9 du rouleau par l'orifice de remplissage d'huile lors de l'assemblage. L'orifice est ensuite obtur\u00e9 par un bouchon d'huile.<\/p>\n\n\n\n<p>02 Analyse des fuites d'huile dans les galets de roulement<\/p>\n\n\n\n<p>Pendant le fonctionnement, divers facteurs peuvent entra\u00eener une fuite du lubrifiant \u00e0 l'int\u00e9rieur du rouleau. Les principales raisons sont les suivantes :<\/p>\n\n\n\n<p>A. Mauvaise pr\u00e9cision dimensionnelle ou rugosit\u00e9 de la surface de l'arbre, de la bague ou de l'embout.<br>Cela peut entra\u00eener une usure anormale de ces composants. La poudre m\u00e9tallique qui s'accumule \u00e0 l'int\u00e9rieur du rouleau contamine le lubrifiant. Une fois que ces particules p\u00e9n\u00e8trent dans la surface du joint flottant, elles acc\u00e9l\u00e8rent l'usure et provoquent la d\u00e9faillance du joint.<\/p>\n\n\n\n<p>B. R\u00e9sistance structurelle insuffisante du corps du rouleau ou de l'embout.<br>La d\u00e9formation de la chambre flottante en cours de fonctionnement peut tordre ou d\u00e9saligner l'ensemble des joints, ce qui entra\u00eene des fuites.<\/p>\n\n\n\n<p>C. Mauvaise s\u00e9lection du lubrifiant.<br>Si l'huile ne peut pas fonctionner dans les conditions de temp\u00e9rature locales, un film d'huile efficace ne peut pas se former. Il en r\u00e9sulte une usure anormale, une augmentation de la chaleur et, en fin de compte, une d\u00e9faillance du joint.<\/p>\n\n\n\n<p>D. Le ch\u00e2ssis de la machine ou d'autres composants ne sont pas de niveau.<br>Une charge in\u00e9gale entra\u00eene une usure excessive de l'ensemble du joint, ce qui r\u00e9duit sa dur\u00e9e de vie et conduit \u00e0 sa d\u00e9faillance.<\/p>\n\n\n\n<p>Pour r\u00e9pondre \u00e0 ces probl\u00e8mes communs, le syst\u00e8me de train de roulement \u00e0 chenilles de Jingqing a fait l'objet d'am\u00e9liorations cibl\u00e9es. Les composants sont assembl\u00e9s dans une salle blanche professionnelle sans poussi\u00e8re afin de garantir la propret\u00e9 et d'emp\u00eacher les contaminants de p\u00e9n\u00e9trer dans les surfaces d'\u00e9tanch\u00e9it\u00e9. En outre, la conception structurelle a \u00e9t\u00e9 optimis\u00e9e et des mat\u00e9riaux d'\u00e9tanch\u00e9it\u00e9 am\u00e9lior\u00e9s avec une plage de temp\u00e9rature plus large ont \u00e9t\u00e9 adopt\u00e9s. Ces am\u00e9liorations renforcent consid\u00e9rablement la fiabilit\u00e9 et la durabilit\u00e9 des rouleaux, r\u00e9duisant ainsi les incidents li\u00e9s aux fuites d'huile.<\/p>\n\n\n\n<p>03 M\u00e9thodes d'entretien des galets de roulement<\/p>\n\n\n\n<p>Outre les am\u00e9liorations apport\u00e9es \u00e0 la conception, un entretien r\u00e9gulier est n\u00e9cessaire pendant le fonctionnement de la machine. Les pratiques d'entretien recommand\u00e9es sont les suivantes<\/p>\n\n\n\n<p>A. Lors de travaux dans des environnements difficiles, \u00e9viter l'immersion prolong\u00e9e des galets de roulement dans l'eau boueuse.<br>\u00c0 la fin de chaque journ\u00e9e de travail, soulevez un c\u00f4t\u00e9 de la chenille et utilisez le moteur de d\u00e9placement pour essorer la boue, les pierres et autres d\u00e9bris.<\/p>\n\n\n\n<p>B. Retirer le bouchon d'huile et ajouter une petite quantit\u00e9 de lubrifiant (g\u00e9n\u00e9ralement la m\u00eame huile pour engrenages que celle utilis\u00e9e dans les r\u00e9ducteurs de translation ou d'oscillation - consulter le fabricant pour les conditions de travail particuli\u00e8res).<br>Cette op\u00e9ration doit \u00eatre effectu\u00e9e tous les 6 \u00e0 12 mois.<\/p>\n\n\n\n<p>C. Dans les environnements \u00e0 basse temp\u00e9rature, maintenir les rouleaux au sec.<br>Comme les galets de roulement utilisent des joints flottants entre le galet ext\u00e9rieur et l'arbre, l'eau qui p\u00e9n\u00e8tre dans la cavit\u00e9 du joint peut geler et bloquer le joint en place. L'anneau en caoutchouc perd alors de son \u00e9lasticit\u00e9, ce qui compromet l'\u00e9tanch\u00e9it\u00e9 et finit par provoquer une fuite d'huile.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le galet de roulement est un \u00e9l\u00e9ment essentiel de toute machine de construction \u00e0 chenilles. Il supporte tout le poids de l'\u00e9quipement et travaille souvent dans des environnements difficiles tels que le gravier, la boue et l'eau. Pour assurer son bon fonctionnement, le galet de roulement doit conserver d'excellentes performances d'\u00e9tanch\u00e9it\u00e9. En hiver, les basses temp\u00e9ratures rendent les probl\u00e8mes de fuites d'huile encore plus fr\u00e9quents, ce qui [...]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-886","post","type-post","status-publish","format-standard","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analysis of Track Roller Oil Leakage and Maintenance Methods - csumachine.com<\/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:\/\/csumachine.com\/fr\/analyse-des-fuites-dhuile-des-galets-de-roulement-et-methodes-dentretien\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of Track Roller Oil Leakage and Maintenance Methods - csumachine.com\" \/>\n<meta property=\"og:description\" content=\"The track roller is a critical component of any crawler-type construction machine. 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