{"id":4531,"date":"2025-12-10T15:19:31","date_gmt":"2025-12-10T07:19:31","guid":{"rendered":"https:\/\/www.slewbearingtec.com\/?p=4531"},"modified":"2026-03-05T13:21:35","modified_gmt":"2026-03-05T05:21:35","slug":"comment-verifier-le-roulement-doscillation-dune-excavatrice","status":"publish","type":"post","link":"https:\/\/www.slewbearingtec.com\/fr\/comment-verifier-le-roulement-doscillation-dune-excavatrice-html","title":{"rendered":"Comment v\u00e9rifier le palier oscillant d'une pelleteuse"},"content":{"rendered":"<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:16px;line-height:28px;color:#2f2525;padding:10px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"wp-block-paragraph\">Pour v\u00e9rifier le roulement d'oscillation d'une excavatrice, il faut proc\u00e9der \u00e0 une inspection visuelle de la graisse, \u00e0 un test de bruit de fonctionnement et \u00e0 une mesure pr\u00e9cise \u00e0 l'aide d'un comparateur. Tout d'abord, inspectez la graisse usag\u00e9e \u00e0 la recherche de \"paillettes\" (flocons de m\u00e9tal argent\u00e9), qui indiquent une d\u00e9faillance interne du roulement. Ensuite, effectuez un \"test d'oscillation\" : garez-vous sur un terrain plat, \u00e9tendez le bras et utilisez la fl\u00e8che pour soulever l\u00e9g\u00e8rement les chenilles. Un assistant doit \u00eatre attentif \u00e0 la pr\u00e9sence d'une s\u00e9paration verticale visible ou d'un bruit de \"gloussement\" au niveau du joint d'\u00e9tanch\u00e9it\u00e9. Enfin, pour un diagnostic d\u00e9finitif, utilisez un comparateur magn\u00e9tique entre le ch\u00e2ssis et la superstructure pour mesurer le jeu vertical. Si le jeu d\u00e9passe la limite fix\u00e9e par le fabricant - g\u00e9n\u00e9ralement entre 1,5 mm et 3,0 mm selon le tonnage de la machine - le roulement doit \u00eatre r\u00e9par\u00e9 ou remplac\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Preliminary_Inspection\"><\/span>Inspection pr\u00e9liminaire<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avant d'utiliser des outils de pr\u00e9cision tels que les comparateurs, de nombreux probl\u00e8mes peuvent \u00eatre d\u00e9tect\u00e9s par une inspection sensorielle et visuelle. Cette inspection \"sans outil\" est au c\u0153ur de la maintenance pr\u00e9ventive.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Abnormal_Sound_In_Auscultation\"><\/span>Son anormal \u00e0 l'auscultation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque la machine fonctionne normalement, \u00e9coutez attentivement le mouvement du centre de tournage. Si vous entendez un grincement, un bruit sec ou un cliquetis pendant le cycle de pivotement, il s'agit sans aucun doute d'un signe de dommage interne. D'apr\u00e8s mon exp\u00e9rience, ces bruits signifient g\u00e9n\u00e9ralement que le chemin de roulement interne ou les billes sont us\u00e9s, ou que le jeu interne de l'assemblage est trop important.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grease_And_Contamination_Analysis\"><\/span>Analyse des graisses et de la contamination<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'\u00e9tat de la graisse est en quelque sorte le \"rapport m\u00e9dical\" du roulement d'orientation. Retirez le couvercle d'inspection (g\u00e9n\u00e9ralement sous un couvercle de boulon sur la partie sup\u00e9rieure de la table tournante) et regardez la graisse \u00e0 l'int\u00e9rieur pour voir :<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"457\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15-1024x457.jpg\" alt=\"Comment inspecter la graisse et analyser la contamination des paliers oscillants des excavateurs.\" class=\"wp-image-4843\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15-1024x457.jpg 1024w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15-300x134.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15-768x343.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15-18x8.jpg 18w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-15.jpg 1166w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fragments m\u00e9talliques : Si vous trouvez des particules m\u00e9talliques argent\u00e9es ou cuivr\u00e9es dans la graisse, il s'agit d'un \"avertissement rouge\", indiquant une usure interne importante ou un \u00e9caillage d\u00fb \u00e0 la fatigue.<br>Pollution environnementale : voir s'il y a de l'eau ou du sable, ces \u00e9l\u00e9ments sales d\u00e9truisent rapidement la surface du roulement comme les abrasifs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Check_The_Mounting_Bolts\"><\/span>V\u00e9rifier les boulons de montage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La couronne d'orientation est un pont reliant le ch\u00e2ssis et la structure sup\u00e9rieure, c'est pourquoi l'inspection des boulons d'installation doit \u00eatre minutieuse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recherchez les boulons desserr\u00e9s ou manquants.<br>V\u00e9rifier que les t\u00eates de boulons ne sont pas cisaill\u00e9es.<br>Notez si le trou du boulon est allong\u00e9, ce qui indique que le support a \u00e9t\u00e9 d\u00e9plac\u00e9 sous l'effet d'une forte charge.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Physical_Clearance_Test_Dial_Indicator_Method\"><\/span>Test de d\u00e9gagement physique (m\u00e9thode de l'indicateur \u00e0 cadran)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour obtenir un diagnostic pr\u00e9cis, il est n\u00e9cessaire d'effectuer ce que l'on appelle souvent dans l'industrie un \"test d'oscillation\" (wobble test). Ce processus utilise un comparateur pour quantifier le \"jeu\" ou le d\u00e9placement \u00e0 l'int\u00e9rieur du support.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette vid\u00e9o montre comment la m\u00e9thode du comparateur permet de v\u00e9rifier le jeu des roulements d'oscillation :<\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"800\" height=\"350\" src=\"https:\/\/www.youtube.com\/embed\/pD65-C7HnvI?si=hGCMx-pwEjxJwbJa\" title=\"Lecteur vid\u00e9o YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Safe_Shutdown\"><\/span>\u00c9tape 1 : Arr\u00eat s\u00e9curis\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour utiliser des machines lourdes, la s\u00e9curit\u00e9 est toujours primordiale. Assurez-vous que l'excavatrice est gar\u00e9e sur un sol plat. Ins\u00e9rez toujours la goupille de verrouillage rotative pour emp\u00eacher toute rotation accidentelle et \u00e9teignez le moteur avant de monter l'\u00e9quipement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Set_Up_A_Dial_Indicator\"><\/span>\u00c9tape 2 : Mise en place d'un indicateur de num\u00e9rotation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La position de l'outil de mesure d\u00e9termine directement la pr\u00e9cision de la lecture et ne peut \u00eatre n\u00e9glig\u00e9e :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La base magn\u00e9tique du comparateur est fix\u00e9e au ch\u00e2ssis (X-frame).<br>R\u00e9gler la sonde \u00e0 aiguille de mani\u00e8re \u00e0 ce qu'elle se trouve sur la bague ext\u00e9rieure de la couronne d'orientation (c'est-\u00e0-dire le c\u00f4t\u00e9 proche de la structure sup\u00e9rieure).<br>Veillez \u00e0 ce que la sonde soit perpendiculaire \u00e0 la surface afin que le d\u00e9placement vertical mesur\u00e9 soit pr\u00e9cis.<\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block\" id=\"maxw\" style=\"padding-bottom:60px;padding-top:60px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-daf1ee6944680a904474e06b6426c596\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Single_Row_Ball_Slewing_Bearing\"><\/span><strong>Douille \u00e0 billes \u00e0 une rang\u00e9e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-dd58f9899cd92bc6cc0f460b6a252a6a wp-block-paragraph\" style=\"color:#ececec\">Les rotules \u00e0 une rang\u00e9e de billes sont divis\u00e9es en structure \u00e0 denture interne, \u00e0 denture externe et sans dent, qui conviennent \u00e0 une grande vari\u00e9t\u00e9 de besoins en mati\u00e8re de transmission.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 10px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-billes-a-une-rangee-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 10px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-billes-a-une-rangee-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image1.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image1.jpg\"><\/div><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:10px\"><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-bf33c33292ba39d894223d056392733c\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Double_Row_Ball_Slewing_Bearing\"><\/span><strong>Roulement \u00e0 billes \u00e0 double rang\u00e9e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-32266f73fe49fe024cbe33f0f3fa5945 wp-block-paragraph\" style=\"color:#ececec\">Les rotules \u00e0 deux rang\u00e9es de billes sont sp\u00e9cialement con\u00e7ues pour les charges tr\u00e8s lourdes.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 10px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-billes-a-deux-rangees-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 10px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-billes-a-deux-rangees-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image2.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image2.jpg\"><\/div><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:10px\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-5a202bb6be1386d2831f4153e4385d1d\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Slewing_Bearing_With_External_Gear\"><\/span><strong>Couronne d'orientation avec engrenage ext\u00e9rieur<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-833cf839fa9b37fc8c88a0c705917e2c wp-block-paragraph\" style=\"color:#ececec\">La couronne d'orientation \u00e0 engrenage ext\u00e9rieur et \u00e0 bride int\u00e9rieure int\u00e8gre les avantages de la transmission \u00e0 engrenage ext\u00e9rieur et du montage \u00e0 bride int\u00e9rieure.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 42px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulement-dorientation-avec-engrenage-exterieur-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 42px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulement-dorientation-avec-engrenage-exterieur-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image3.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image3.jpg\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-e1dbfa8a294371f9c22771cdbfbae243\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Slewing_Bearing_With_Internal_Gear\"><\/span><strong>Couronne d'orientation avec engrenage interne<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-053d8055357e8ef0d864442e003d894a wp-block-paragraph\" style=\"color:#ececec\">La couronne d'orientation \u00e0 denture int\u00e9rieure et \u00e0 bride ext\u00e9rieure se caract\u00e9rise par la combinaison d'une transmission \u00e0 denture int\u00e9rieure.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 10px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulement-dorientation-avec-engrenage-interieur-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 10px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulement-dorientation-avec-engrenage-interieur-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image4.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image4.jpg\"><\/div><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:10px\"><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-fd69d5fc93db46dd81dc3f203f3ac3d5\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Slewing_Bearing_Without_Gear\"><\/span><strong>Couronne d'orientation sans engrenage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-ebe75f30cc602902ee8d103b28a02085 wp-block-paragraph\" style=\"color:#ececec\">La couronne d'orientation \u00e0 double bride sans engrenage est l\u00e9g\u00e8re et compacte.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 10px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/palier-dorientation-sans-engrenage-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 10px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/palier-dorientation-sans-engrenage-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image5.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image5.jpg\"><\/div><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:10px\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  newproduct-hover\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-86cc1441f279dd4ab0c24f28d592a00b\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Cross_Roller_Slewing_Bearing\"><\/span><strong>Couronne d'orientation \u00e0 rouleaux crois\u00e9s<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#ffffff;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-4ad0d76060e9d847ece2735fddc577d7 wp-block-paragraph\" style=\"color:#ececec\">La couronne d'orientation \u00e0 une rang\u00e9e de rouleaux crois\u00e9s adopte une disposition en croix des rouleaux, une grande surface de contact, peut supporter de mani\u00e8re synchronis\u00e9e et efficace les charges axiales et radiales et le moment de renversement,<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow  productfenleianniu\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ffffff99;color:#333333;font-size:20px;border:solid 1px #ccc;border-radius:20px;padding:3px 42px;\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-rouleaux-croises-html\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#333333;background-color:#ffffff99;padding:3px 42px;border-radius:20px;\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-a-rouleaux-croises-html\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image6.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image6.jpg\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n\n\n\n<style>\n\/* ==============================\n   1. \u5bb9\u5668\u57fa\u7840\u8bbe\u7f6e\n   ============================== *\/\n.newproduct-hover {\n    position: relative !important;\n    overflow: hidden !important;\n    padding: 0 !important;\n    border: none !important;\n    height: 100% !important;\n    min-height: 300px; \/* 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144, 255, 0.6) !important;\n    text-shadow: none !important;\n    transform: scale(1.03) !important;\n}\n\n@media (max-width: 768px) {\n    .newproduct-hover .wp-block-heading {\n        font-size: 16px !important;\n        width: 95% !important;\n    }\n}\n\n\/* ==============================\n   5. \u63cf\u8ff0\u6587\u5b57 (\u79fb\u52a8\u7aef\u5904\u7406)\n   ============================== *\/\n.newproduct-hover .content-super-p {\n    opacity: 1 !important;\n    visibility: visible !important;\n    color: #ffffff !important;\n    font-size: 14px !important;\n    line-height: 1.4 !important;\n    text-shadow: 0 1px 3px rgba(0, 0, 0, 1);\n    margin: 0 0 10px 0 !important;\n    transition: all 0.4s ease !important;\n    text-align: center;\n}\n\n.newproduct-hover:hover .content-super-p {\n    opacity: 0 !important;\n    visibility: hidden !important;\n    transform: translateY(10px);\n}\n\n\/* \u79fb\u52a8\u7aef\u5173\u952e\u70b9\uff1a\u9690\u85cf\u63cf\u8ff0\u6587\u5b57\u4ee5\u56fa\u5b9a\u6574\u4f53\u9ad8\u5ea6\uff0c\u9632\u6b62\u6587\u5b57\u6ea2\u51fa *\/\n@media (max-width: 768px) {\n    .newproduct-hover .content-super-p {\n        display: none !important; \n    }\n}\n\n\/* ==============================\n   6. \u6309\u94ae\n   ============================== *\/\n.newproduct-hover .wp-block-themepark-block-btn {\n    position: relative;\n    z-index: 11;\n    margin-top: auto !important; \/* \u5f3a\u5236\u63a8\u81f3\u5bb9\u5668\u5e95\u90e8 *\/\n    margin-bottom: 0 !important;\n    width: 100% !important;\n}\n\n.newproduct-hover .themepark-i-btn {\n    display: inline-block !important;\n    background-color: #2ea0e2 !important;\n    color: #ffffff !important;\n    padding: 10px 20px;\n    border-radius: 8px;\n    border: none !important;\n    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3) !important;\n    font-size: 15px;\n    font-weight: bold;\n    text-decoration: none;\n    transition: all 0.4s ease !important;\n    min-width: 110px;\n}\n\n.newproduct-hover .themepark-i-btn:hover {\n    background-color: #1e90ff !important;\n    transform: translateY(-3px) !important;\n}\n\n\/* \u79fb\u52a8\u7aef\u6309\u94ae\u9002\u914d *\/\n@media (max-width: 768px) {\n    .newproduct-hover .themepark-i-btn {\n        padding: 8px 15px !important;\n        font-size: 14px !important;\n    }\n}\n\n.newproduct-hover .themepark-i-btn a {\n    color: inherit !important;\n    text-decoration: none !important;\n    display: block;\n}\n<\/style>\n\n<script>\ndocument.addEventListener('DOMContentLoaded', function() {\n    const hoverBlocks = document.querySelectorAll('.newproduct-hover');\n    \n    hoverBlocks.forEach(block => {\n        block.style.cursor = 'pointer';\n        \n        const originalLink = block.querySelector('.themepark-i-btn a');\n        if (originalLink) {\n            const targetUrl = originalLink.getAttribute('href');\n            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\u6539\u7528\u4e3b\u984c\u8272\u7684\u67d4\u548c\u5149\u6688\/\u6a21\u7cca\u5c64\uff08\u53d6\u4ee3\u539f\u672c\u7684\u767d\u8272 0.35\uff09 *\/\n    10px 10px 20px color-mix(in srgb, var(--wp--preset--color--themecolor-1) 25%, transparent),\n    \n    \/* \u6574\u9ad4\u9670\u5f71\u4e5f\u5e36\u4e00\u9ede\u4e3b\u984c\u8272\u8abf\uff08\u53d6\u4ee3\u7d14\u9ed1\uff09 *\/\n    0 10px 24px color-mix(in srgb, var(--wp--preset--color--themecolor-1) 12%, rgba(0,0,0,0.10));\n  \n  transform: translateY(-3px);\n}\n\n.product-hover:hover .themepark-i-btn {\n  background-color: var(--wp--preset--color--themecolor-1) !important;\n  color: #ffffff !important;\n  transition: all 0.3s ease;\n}\n\n.product-hover:hover .hovers {\n  background-color: var(--wp--preset--color--themecolor-1) !important;\n  color: #ffffff !important;\n}\n<\/style>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Measure_Vertical_Displacement_Lift_Test\"><\/span>\u00c9tape 3 : Mesure du d\u00e9placement vertical (essai de levage)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Utiliser la fl\u00e8che et le godet pour exercer une pression vers le bas afin de soulever l\u00e9g\u00e8rement la chenille du sol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compression : Lorsque la machine est soulev\u00e9e, le poids est transf\u00e9r\u00e9 et le support est comprim\u00e9.<br>Expansion : Lorsque la machine tombe ou que la fl\u00e8che exerce une tension vers le haut, la fente d'appui s'ouvre.<br>\u00c0 ce moment-l\u00e0, le comparateur enregistre ce d\u00e9placement vertical. Tout mouvement d\u00e9passant les limites fix\u00e9es par le fabricant signifie que vous devez pr\u00e9parer un budget d'entretien.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Measure_Radial_Clearance\"><\/span>\u00c9tape 4 : Mesure du jeu radial<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Outre le d\u00e9placement vertical, v\u00e9rifiez \u00e9galement les \"secousses\" horizontales :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9tendre le godet jusqu'\u00e0 la position neutre.<br>Effacer le comparateur.<br>Poussez et tirez le seau vers la gauche et la droite aussi loin que possible.<br>Enregistrez la somme des relev\u00e9s pour v\u00e9rifier si le d\u00e9gagement lat\u00e9ral est d\u00e9pass\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"975\" height=\"578\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-16.jpg\" alt=\"Comment v\u00e9rifier le palier oscillant d&#039;une pelleteuse\" class=\"wp-image-4844\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-16.jpg 975w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-16-300x178.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-16-768x455.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/12\/image-29-16-18x12.jpg 18w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Data_Interpretation\"><\/span>\u00c9tape 5 : Interpr\u00e9tation des donn\u00e9es<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s avoir obtenu les donn\u00e9es, il faut consulter le manuel d'entretien. Chaque type d'excavateur est diff\u00e9rent et la tol\u00e9rance autoris\u00e9e est \u00e9galement diff\u00e9rente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Action\"><\/span>Action finale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9gagement excessif<br>Si le d\u00e9placement vertical ou radial mesur\u00e9 est sup\u00e9rieur \u00e0 la valeur sp\u00e9cifi\u00e9e dans le manuel, le support doit \u00eatre mis au rebut. S'il n'est pas utilis\u00e9, un jeu excessif entra\u00eenera la rupture des dents de la couronne, voire le sectionnement direct des boulons de fixation, ce qui constitue une d\u00e9faillance catastrophique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stickling_And_Torque_Problems\"><\/span>Probl\u00e8mes de collage et de couple<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si l'inspection r\u00e9v\u00e8le que la rotation n'est pas r\u00e9guli\u00e8re ou que la r\u00e9sistance \u00e0 la rotation est plus ou moins importante, il se peut que le support soit bloqu\u00e9. Cela est souvent d\u00fb \u00e0 une usure in\u00e9gale ou \u00e0 une lubrification inad\u00e9quate, et la r\u00e9sistance au couple pendant le fonctionnement devient tr\u00e8s \u00e9lev\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oil_Tank_Pollution\"><\/span>Pollution des r\u00e9servoirs d'hydrocarbures<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e9rifier le carter de l'engrenage oscillant. S'il y a de l'eau ou de la t\u00f4le lourde, le joint est d\u00e9faillant ou le mat\u00e9riau de support se d\u00e9sagr\u00e8ge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 ces \u00e9tapes de diagnostic et \u00e0 la tol\u00e9rance stricte du fabricant standard, vous pouvez juger avec pr\u00e9cision de l'\u00e9tat de sant\u00e9 de la couronne d'orientation et \u00e9viter de \"l\u00e2cher la cha\u00eene\" soudainement lors des travaux sur le chantier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Auteur:Mark<br>\"Je suis un sp\u00e9cialiste de l'entretien des \u00e9quipements lourds dont la mission est d'aider les op\u00e9rateurs \u00e0 pr\u00e9venir les d\u00e9faillances catastrophiques des machines. Fort d'une vaste exp\u00e9rience dans le diagnostic des excavateurs, je me sp\u00e9cialise dans les m\u00e9thodes d'inspection pratiques, allant de l'analyse visuelle des graisses aux mesures de pr\u00e9cision des indicateurs \u00e0 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