{"id":245,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/spalling\/"},"modified":"2026-05-23T22:54:09","modified_gmt":"2026-05-23T22:54:09","slug":"spalling","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/spalling\/","title":{"rendered":"Ce este exfolierea la rulmen\u021bii cu elemente de rostogolire?"},"content":{"rendered":"<h1>\u00cen\u021belegerea exfolierii la rulmen\u021bii cu elemente de rostogolire<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Prim-plan senzor de vibra\u021bii Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Senzor optic (tahometru cu laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Baza magnetic\u0103.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Band\u0103 reflectorizant\u0103\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/245?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Exfoliere<\/strong> \u2014 denumit \u0219i \u201espall\u201d, \u201eexfoliere\u201d sau \u201ecavitare\u201d atunci c\u00e2nd este de dimensiuni reduse \u2014 reprezint\u0103 exfolierea, ciobirea sau fracturarea localizat\u0103 a materialului de pe suprafa\u021ba c\u0103ilor de rulare sau a elementelor de rulare ale unui rulment, cauzat\u0103 de oboseala prin contact de rulare. Un spall se prezint\u0103 sub forma unui crater sau a unei cavit\u0103\u021bi \u00een locul \u00een care s-a desprins o bucat\u0103 de o\u021bel c\u0103lit, l\u0103s\u00e2nd \u00een urm\u0103 o ad\u00e2ncitur\u0103 aspr\u0103, cu margini ascu\u021bite. De fiecare dat\u0103 c\u00e2nd o bil\u0103 sau o rol\u0103 trece peste acel crater, produce un impact mecanic minuscul, iar aceste impacturi repetate se propag\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> at predictable <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">frecven\u021bele defectelor rulmen\u021bilor<\/a> \u2014 semnalul care permite unui analist s\u0103 detecteze defectul cu mult \u00eenainte ca rulmentul s\u0103 se blocheze.<\/p>\n<p>Exfolierea este cea mai frecvent\u0103 \u0219i, \u00eentr-un anumit sens, cea mai <em>normal<\/em> modul de defectare a rulmentului: reprezint\u0103 sf\u00e2r\u0219itul natural al duratei de via\u021b\u0103 la oboseal\u0103 a unui rulment. Se deosebe\u0219te de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-wear\/\">uzur\u0103<\/a> (pierdere treptat\u0103 \u0219i difuz\u0103 de material) \u0219i de cea indus\u0103 de coroziune <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pitting\/\">ciupituri<\/a>. Un aspect esen\u021bial este c\u0103 exfolierea poate fi detectat\u0103 prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration-analysis\/\">analiza vibra\u021biilor<\/a> cu c\u00e2teva luni \u00eenainte ca rulmentul s\u0103 cedeze complet, ceea ce \u00eel face o \u021bint\u0103 principal\u0103 pentru orice <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/predictive-maintenance\/\">mentenan\u021b\u0103 predictiv\u0103<\/a> program.<\/p>\n<h2>1. Mecanismul fizic al exfoli\u0103rii<\/h2>\n<h3>Oboseala prin contact rulant<\/h3>\n<p>Exfolierea nu este un fenomen brusc, ci punctul culminant vizibil al unui proces \u00eendelungat de oboseal\u0103:<\/p>\n<ol>\n<li><strong>Solicitare ciclic\u0103:<\/strong> fiecare trecere a unui element rulant exercit\u0103 o tensiune de contact hertzian\u0103 asupra c\u0103ii de rulare, de obicei <strong>1000\u20133000 MPa<\/strong>, concentrat \u00eentr-o suprafa\u021b\u0103 de contact mai mic\u0103 dec\u00e2t un bob de orez.<\/li>\n<li><strong>Tensiunea de forfecare din subsuprafa\u021b\u0103:<\/strong> tensiunea maxim\u0103 de forfecare alternativ\u0103 nu apare la suprafa\u021b\u0103, ci pu\u021bin sub aceasta, de obicei <strong>0.2\u20130.5 mm<\/strong> deep.<\/li>\n<li><strong>Ini\u021bierea fisurii:<\/strong> dup\u0103 milioane \u2014 adesea miliarde \u2014 de cicluri de solicitare, se formeaz\u0103 o fisur\u0103 microscopic\u0103 la un punct de concentrare a tensiunilor din subsuprafa\u021b\u0103, de obicei la nivelul unei incluziuni nemetalice din o\u021bel.<\/li>\n<li><strong>R\u0103sp\u00e2ndirea fisurii:<\/strong> fisura se extinde paralel cu suprafa\u021ba, apoi se ramific\u0103 at\u00e2t spre suprafa\u021b\u0103, c\u00e2t \u0219i mai ad\u00e2nc \u00een material.<\/li>\n<li><strong>Separarea materialului:<\/strong> re\u021beaua de fisuri ajunge \u00een cele din urm\u0103 s\u0103 izoleze o bucat\u0103 de o\u021bel.<\/li>\n<li><strong>Formarea exfolierii:<\/strong> materialul izolat se desprinde, l\u0103s\u00e2nd \u00een urm\u0103 craterul caracteristic.<\/li>\n<\/ol>\n<p>Deoarece deteriorarea \u00eencepe sub suprafa\u021b\u0103, un rulment poate ajunge \u00een c\u00e2teva zile la apari\u021bia unei exfolieri vizibile, chiar dac\u0103, la prima vedere, c\u0103ile de rulare ale acestuia par \u00eenc\u0103 str\u0103lucitoare ca oglinda \u2014 tocmai de aceea oboseala sub suprafa\u021b\u0103 este invizibil\u0103 la inspec\u021bie, dar detectabil\u0103 de un senzor de vibra\u021bii.<\/p>\n<h3>Caracteristici tipice ale exfoli\u0103rii<\/h3>\n<ul>\n<li><strong>Dimensiune:<\/strong> cu un diametru ini\u021bial de 1\u20135 mm, ajung\u00e2nd la 10\u201320 mm sau mai mult.<\/li>\n<li><strong>Ad\u00e2ncime:<\/strong> 0,2\u20132 mm \u00een stratul de c\u0103lire.<\/li>\n<li><strong>Form\u0103:<\/strong> un crater neregulat, cu fundul accidentat \u0219i marginile zim\u021bate.<\/li>\n<li><strong>Loca\u0163ie:<\/strong> cel mai adesea pe inelul exterior, \u00een zona de \u00eenc\u0103rcare.<\/li>\n<li><strong>Aspect:<\/strong> str\u0103lucitor, cu contururi clare \u0219i metalic la \u00eenceput, devenind mai \u00eentunecat pe m\u0103sur\u0103 ce opera\u021biunea avanseaz\u0103.<\/li>\n<\/ul>\n<h2>2. Cauze \u0219i factori determinan\u021bi<\/h2>\n<h3>Durata de via\u021b\u0103 normal\u0103 la oboseal\u0103<\/h3>\n<ul>\n<li>Fiecare rulment are o durat\u0103 de via\u021b\u0103 limitat\u0103 la oboseal\u0103 \u2014 <strong>L10 life<\/strong>, punctul la care se estimeaz\u0103 c\u0103 90% din popula\u021bie va supravie\u021bui.<\/li>\n<li>Exfolierea reprezint\u0103 modul de uzur\u0103 prev\u0103zut la sf\u00e2r\u0219itul duratei de via\u021b\u0103; faptul c\u0103 aceasta apare la sf\u00e2r\u0219itul duratei de via\u021b\u0103 L10 calculate sau dup\u0103 aceasta nu constituie un defect, ci o dovad\u0103 a reu\u0219itei proiect\u0103rii.<\/li>\n<li>Alegerea corespunz\u0103toare a rulmen\u021bilor garanteaz\u0103 c\u0103 durata de via\u021b\u0103 L10 dep\u0103\u0219e\u0219te cu u\u0219urin\u021b\u0103 durata de func\u021bionare necesar\u0103. Pute\u021bi calcula aceast\u0103 durat\u0103 de via\u021b\u0103 \u00een func\u021bie de sarcin\u0103 \u0219i vitez\u0103 cu ajutorul <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-load\/\">Calculator de durat\u0103 de via\u021b\u0103 a rulmentului L10 (ISO 281)<\/a>.<\/li>\n<\/ul>\n<h3>Exfoliere prematur\u0103<\/h3>\n<p>Atunci c\u00e2nd apar exfolieri cu mult \u00eenainte de atingerea duratei de via\u021b\u0103 L10, aproape \u00eentotdeauna este vorba de o cauz\u0103 extern\u0103:<\/p>\n<ul>\n<li><strong>Supra\u00eenc\u0103rcare:<\/strong> durata de via\u021b\u0103 scade propor\u021bional cu cubul sarcinii (Durata de via\u021b\u0103 \u221d 1\/Sarcin\u0103\u00b3), astfel \u00eenc\u00e2t chiar \u0219i o suprasarcin\u0103 modest\u0103 reduce drastic durata de via\u021b\u0103.<\/li>\n<li><strong>Lubrifiere insuficient\u0103:<\/strong> o pelicul\u0103 insuficient\u0103 permite contactul cu asperit\u0103\u021bile, cresc\u00e2nd tensiunea la suprafa\u021b\u0103.<\/li>\n<li><strong>Contaminare:<\/strong> particulele dure imprim\u0103 urme pe calea de rulare \u0219i creeaz\u0103 puncte de concentrare a tensiunilor care favorizeaz\u0103 apari\u021bia fisurilor.<\/li>\n<li><strong>Nealiniere:<\/strong> \u00cenc\u0103rcarea pe margine concentreaz\u0103 tensiunea la unul dintre capetele suprafe\u021bei de contact.<\/li>\n<li><strong>Instalare incorect\u0103:<\/strong> Deteriorarea produs\u0103 la montaj duce la apari\u021bia unor defec\u021biuni premature.<\/li>\n<li><strong>Coroziune:<\/strong> ad\u00e2nciturile de la suprafa\u021b\u0103 ac\u021bioneaz\u0103 ca puncte de ini\u021biere a fisurilor.<\/li>\n<li><strong>Defecte materiale:<\/strong> inclusiuni \u00een o\u021belul rulmentului.<\/li>\n<\/ul>\n<p>Un factor care accelereaz\u0103 adesea procesul \u0219i care este adesea trecut cu vederea este sarcina dinamic\u0103 generat\u0103 de echilibrarea defectuoas\u0103 a rotorului: rezidual\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> adaug\u0103 o for\u021b\u0103 de rota\u021bie la sarcina static\u0103 a rulmentului, iar datorit\u0103 acestei rela\u021bii cubice, chiar \u0219i o cre\u0219tere minor\u0103 a sarcinii dinamice poate reduce semnificativ durata de via\u021b\u0103 la oboseal\u0103. Men\u021binerea unui echilibru corespunz\u0103tor al rotoarelor reprezint\u0103, prin urmare, o m\u0103sur\u0103 real\u0103 de protec\u021bie a rulmentelor, nu doar una destinat\u0103 reducerii vibra\u021biilor \u0219i asigur\u0103rii confortului.<\/p>\n<h2>3. Detectarea prin vibra\u021bii \u00een func\u021bie de stadiul de gravitate<\/h2>\n<p>Din punct de vedere diagnostic, marea valoare a exfoli\u0103rii const\u0103 \u00een faptul c\u0103 se manifest\u0103 din timp \u0219i evolueaz\u0103 \u00eentr-o secven\u021b\u0103 u\u0219or de recunoscut. Depistarea depinde \u00een mare m\u0103sur\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/envelope-analysis\/\">analiza anvelopei<\/a>, care demoduleaz\u0103 inelele de impact de \u00eenalt\u0103 frecven\u021b\u0103 pentru a determina rata defectelor subiacente.<\/p>\n<h3>Stadiu incipient (micro-exfoliere)<\/h3>\n<ul>\n<li>Exfoliere cu diametrul sub 1\u20132 mm.<\/li>\n<li>Mici v\u00e2rfuri la frecven\u021bele de defect ale rulmentului \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/envelope-spectrum\/\">spectrul anvelopei<\/a>.<\/li>\n<li>Adesea invizibil \u00een standard <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> spectru.<\/li>\n<li>Amplitudinea anvelopei: aproximativ 0,5\u20132 g.<\/li>\n<li>Durata de via\u021b\u0103 r\u0103mas\u0103: de obicei, \u00eentre 6 \u0219i 18 luni.<\/li>\n<\/ul>\n<h3>Moderate stage<\/h3>\n<ul>\n<li>Exfoliere cu diametrul de 2\u201310 mm.<\/li>\n<li>Se observ\u0103 v\u00e2rfuri clare ale frecven\u021bei de defect at\u00e2t \u00een spectrul FFT, c\u00e2t \u0219i \u00een spectrul de anvelop\u0103.<\/li>\n<li>Two to three <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> a frecven\u021bei defectelor vizibile.<\/li>\n<li>Onset of <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sidebands\/\">band\u0103 lateral\u0103<\/a> formarea \u00een jurul v\u00e2rfurilor.<\/li>\n<li>Amplitudine: aproximativ 2\u201310 g.<\/li>\n<li>Durat\u0103 de via\u021b\u0103 r\u0103mas\u0103: 2\u20136 luni.<\/li>\n<\/ul>\n<h3>Advanced stage<\/h3>\n<ul>\n<li>Exfoliere mai mare de 10 mm, eventual mai multe zone de exfoliere.<\/li>\n<li>V\u00e2rfuri de frecven\u021b\u0103 de defect cu amplitudine foarte mare.<\/li>\n<li>Numeroase armonici, \u00eentre patru \u0219i opt sau mai multe.<\/li>\n<li>O structur\u0103 complex\u0103 de benzi laterale.<\/li>\n<li>Un nivel de zgomot de fond ridicat.<\/li>\n<li>Amplitudine: peste 10 g.<\/li>\n<li>Durata de via\u021b\u0103 r\u0103mas\u0103: de la c\u00e2teva zile la c\u00e2teva s\u0103pt\u0103m\u00e2ni.<\/li>\n<\/ul>\n<h3>Stadiu sever \/ critic<\/h3>\n<ul>\n<li>Exfoliere extins\u0103, cu numeroase defecte.<\/li>\n<li>Zgomotul de band\u0103 larg\u0103 \u00eencepe s\u0103 domine spectrul.<\/li>\n<li>Frecven\u021bele defectelor individuale sunt mascate de acest zgomot.<\/li>\n<li>Vibra\u021bii generale foarte intense, zgomot audibil provenit de la rulmen\u021bi \u0219i cre\u0219terea temperaturii.<\/li>\n<li>Defec\u021biunea este iminent\u0103 \u2014 este necesar\u0103 \u00eenlocuirea imediat\u0103.<\/li>\n<\/ul>\n<p>Pentru a pune acest lucru \u00een practic\u0103, trebuie s\u0103 cunoa\u0219te\u021bi frecven\u021bele exacte pe care trebuie s\u0103 le c\u0103uta\u021bi. Acestea depind de geometria rulmentului \u0219i de viteza arborelui, a\u0219a c\u0103 calcula\u021bi-le dinainte cu ajutorul <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-defect-frequencies\/\">Calculator de frecven\u021b\u0103 a defectelor lag\u0103relor<\/a> \u2014 dezechilibrul rezultat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bsf\/\">BSF<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/ftf\/\">FTF<\/a> valorile indic\u0103 cu precizie unde anume pe spectru va ap\u0103rea o exfoliere pe fiecare component\u0103.<\/p>\n<h2>4. Evolu\u021bia \u0219i efectele secundare<\/h2>\n<h3>Spall growth<\/h3>\n<p>Odat\u0103 ce s-a format o exfoliere, aceasta se extinde treptat, iar cre\u0219terea tinde s\u0103 fie mai degrab\u0103 exponen\u021bial\u0103 dec\u00e2t liniar\u0103:<\/p>\n<ul>\n<li>Solicitarea din impact la marginile exfolierii genereaz\u0103 tensiuni locale ridicate.<\/li>\n<li>Materialul adiacent obose\u0219te mai repede dec\u00e2t calea de rulare intact\u0103.<\/li>\n<li>Cu fiecare rota\u021bie, exfolierea se extinde spre exterior \u0219i se ad\u00e2nce\u0219te.<\/li>\n<li>O exfoliere mic\u0103 se poate transforma \u00eentr-una mare \u00een c\u00e2teva s\u0103pt\u0103m\u00e2ni, odat\u0103 ce procesul se autoalimenteaz\u0103.<\/li>\n<\/ul>\n<h3>Daune secundare<\/h3>\n<p>De asemenea, exfolierea genereaz\u0103 resturi care provoac\u0103 daune \u00een lan\u021b:<\/p>\n<ul>\n<li><strong>Generarea de de\u0219euri:<\/strong> fulgii metalici proveni\u021bi din exfoliere circul\u0103 \u00een lubrifiant.<\/li>\n<li><strong>Uzura \u00eentre trei corpuri:<\/strong> aceste resturi ac\u021bioneaz\u0103 ca un material de \u0219lefuire, zg\u00e2riind suprafe\u021be care altfel ar fi intacte.<\/li>\n<li><strong>Exfoliere secundar\u0103:<\/strong> particulele \u00eencorporate imprim\u0103 urme pe calea de rulare proasp\u0103t\u0103 \u0219i ini\u021biaz\u0103 noi exfolieri \u00een alte locuri.<\/li>\n<li><strong>Deteriorare rapid\u0103:<\/strong> Odat\u0103 ce coexist\u0103 mai multe zone de exfoliere, deteriorarea se accelereaz\u0103 brusc.<\/li>\n<li><strong>E\u0219ec total:<\/strong> \u00een cele din urm\u0103, rulmentul \u00ee\u0219i pierde complet capacitatea de sus\u021binere a sarcinii.<\/li>\n<\/ul>\n<h2>5. M\u0103suri de reac\u021bie \u0219i corective<\/h2>\n<h3>Upon detection<\/h3>\n<ol>\n<li><strong>Confirma\u021bi diagnosticul:<\/strong> verifica\u021bi dac\u0103 frecven\u021ba defectului m\u0103surat\u0103 corespunde geometriei rulmentului \u2014 nu este o coinciden\u021b\u0103 sau o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonic<\/a> despre altceva.<\/li>\n<li><strong>Evalua\u021bi severitatea vibra\u021biilor:<\/strong> localiza\u021bi defectul pe scara stadiilor de mai sus, folosind amplitudinea \u0219i num\u0103rul de armonici.<\/li>\n<li><strong>Cre\u0219terea monitoriz\u0103rii:<\/strong> reduce\u021bi frecven\u021ba de la lunar la s\u0103pt\u0103m\u00e2nal sau zilnic pe m\u0103sur\u0103 ce gravitatea cre\u0219te.<\/li>\n<li><strong>Programare \u00eenlocuire:<\/strong> planifica\u021bi \u00eenlocuirea cu un model adecvat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shutdown\/\">\u00eenchidere<\/a> window.<\/li>\n<li><strong>Procura\u021bi rulmentul:<\/strong> comanda\u021bi modelul corect \u0219i verifica\u021bi specifica\u021biile acestuia \u00eenainte de oprirea programat\u0103.<\/li>\n<\/ol>\n<h3>Indicatori de urgen\u021b\u0103<\/h3>\n<p>O oprire imediat\u0103 este necesar\u0103 dac\u0103 apare oricare dintre urm\u0103toarele situa\u021bii:<\/p>\n<ul>\n<li>Amplitudinea vibra\u021biilor s-a dublat \u00een mai pu\u021bin de o s\u0103pt\u0103m\u00e2n\u0103.<\/li>\n<li>Temperatura rulmentului cre\u0219te rapid \u2014 cu peste aproximativ 5 \u00b0C \u00eentr-un singur schimb.<\/li>\n<li>Scr\u00e2\u0219net, sc\u00e2r\u021b\u00e2it sau rugozitate audibil\u0103 din partea rulmentului<\/li>\n<li>Prezen\u021ba simultan\u0103 a mai multor frecven\u021be ale rulmentului, ceea ce indic\u0103 existen\u021ba mai multor defecte.<\/li>\n<li>Pierderea lubrifiantului sau prezen\u021ba unor impurit\u0103\u021bi vizibile.<\/li>\n<\/ul>\n<h2>6. Prevenirea prin proiectare \u0219i \u00eentre\u021binere<\/h2>\n<h3>Design phase<\/h3>\n<ul>\n<li>Alege\u021bi rulmen\u021bi cu o durat\u0103 de via\u021b\u0103 nominal\u0103 adecvat\u0103 (L10 cu mult mai mare dec\u00e2t durata de func\u021bionare necesar\u0103).<\/li>\n<li>Asigura\u021bi un sistem de lubrifiere adecvat \u0219i o etan\u0219are eficient\u0103.<\/li>\n<li>Asigura\u021bi-v\u0103 c\u0103 r\u0103cirea este adecvat\u0103 condi\u021biilor de func\u021bionare.<\/li>\n<\/ul>\n<h3>Etapa de instalare<\/h3>\n<ul>\n<li>Folosi\u021bi proceduri de instalare corespunz\u0103toare \u0219i uneltele de montare adecvate pentru a evita deteriorarea \u00een timpul mont\u0103rii.<\/li>\n<li>Verifica\u021bi dac\u0103 este corect <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-clearance\/\">jocul rulmentului<\/a>.<\/li>\n<li>Ob\u021bine\u021bi precizie <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">aliniere<\/a> pentru a evita \u00eenc\u0103rcarea pe margini.<\/li>\n<\/ul>\n<h3>Faza de func\u021bionare<\/h3>\n<ul>\n<li>Implementa\u021bi un program de monitorizare a vibra\u021biilor care s\u0103 includ\u0103 analiza de anvelop\u0103.<\/li>\n<li>Respecta\u021bi cu stricte\u021be programul de lubrifiere \u2014 respect\u00e2nd intervalele, cantit\u0103\u021bile \u0219i tipul de lubrifiant corespunz\u0103toare.<\/li>\n<li>Monitoriza\u021bi temperatura.<\/li>\n<li>Men\u021bine\u021bi rotoarele bine echilibrate pentru a reduce la minimum sarcinile dinamice care scurteaz\u0103 durata de via\u021b\u0103 la oboseal\u0103. Un analizor portabil cu dou\u0103 canale, cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> permite unui tehnician at\u00e2t s\u0103 analizeze evolu\u021bia spectrului de anvelop\u0103 al unui rulment suspect, c\u00e2t \u0219i, \u00een cazul \u00een care cauza principal\u0103 este dezechilibrul rotorului, s\u0103 \u00eel corecteze chiar la fa\u021ba locului, pe rulmen\u021bii proprii ai ma\u0219inii \u2014 elimin\u00e2nd astfel sarcina dinamic\u0103 care \u00eempingea rulmentul c\u0103tre exfolierea prematur\u0103.<\/li>\n<\/ul>\n<p>Exfolierea reprezint\u0103 punctul final inevitabil al oboselii rulmentului, dar nu trebuie s\u0103 fie o surpriz\u0103. Prin alegerea corect\u0103 a rulmentului, o montare corespunz\u0103toare, o lubrifiere riguroas\u0103 \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a>, durata de via\u021b\u0103 este maximizat\u0103, iar defec\u021biunea este depistat\u0103 la timp pentru a preveni daunele secundare \u0219i pentru a transforma o avarie neprev\u0103zut\u0103 \u00eentr-o \u00eenlocuire planificat\u0103, cu costuri reduse.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre exfoliere, exfolierea materialului de suprafa\u021b\u0103 al rulmentului din cauza oboselii, principalul mod de defectare al rulmen\u021bilor cu elemente de rostogolire detectabil prin analiza vibra\u021biilor.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-245","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/245\/revisions"}],"predecessor-version":[{"id":101410,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/245\/revisions\/101410"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}