{"id":20649,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rolling-element-defects\/"},"modified":"2026-05-23T22:52:59","modified_gmt":"2026-05-23T22:52:59","slug":"rolling-element-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/rolling-element-defects\/","title":{"rendered":"Ce sunt defectele elementelor de rulare? Deteriorarea bilei \u0219i a rolei"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor elementelor rulante<\/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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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\/20649?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, 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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\/20649?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\/20649?add-to-cart=1852\" 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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\/20649?add-to-cart=2329\" data-quantity=\"1\" 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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\/20649?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\/20649?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>Defecte ale elementelor de rulare<\/strong> sunt deterior\u0103rile, defectele sau imperfec\u021biunile bilelor sau rolelor unui rulment cu elemente de rulare. Acestea includ exfolierea suprafe\u021bei, fisuri, impurit\u0103\u021bi \u00eencorporate, incluziuni de material, coroziune \u0219i imperfec\u021biuni geometrice. Atunci c\u00e2nd o bil\u0103 sau o rol\u0103 deteriorat\u0103 se rote\u0219te \u00een interiorul rulmentului, aceasta love\u0219te at\u00e2t calea de rulare interioar\u0103, c\u00e2t \u0219i cea exterioar\u0103, gener\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bsf\/\">frecven\u021ba de rota\u021bie a bilei (BSF)<\/a> cu caracteristicile <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sidebands\/\">benzi laterale<\/a> spaced at the <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/ftf\/\">cu\u0219c\u0103 sau frecven\u021ba fundamental\u0103 a trenului (FTF)<\/a>. Defectele elementelor de rulare reprezint\u0103 una dintre cele patru forme clasice de deteriorare localizat\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-defects\/\">defecte ale rulmentului<\/a>, al\u0103turi de defectele de tip \u201einner-race\u201d, \u201eouter-race\u201d \u0219i \u201ecage\u201d.<\/p>\n<p>Acestea sunt mai pu\u021bin frecvente dec\u00e2t defectele de pe calea de rulare, reprezent\u00e2nd aproximativ 10\u201315 % din defect\u0103rile rulmen\u021bilor, dar, atunci c\u00e2nd apar, produc o semn\u0103tur\u0103 distinctiv\u0103, uneori greu de interpretat, \u0219i pot evolua rapid c\u0103tre defectarea complet\u0103 a rulmentului. Deoarece defectul se rote\u0219te odat\u0103 cu elementul, \u00een loc s\u0103 r\u0103m\u00e2n\u0103 fix \u00een zona de \u00eenc\u0103rcare, vibra\u021bia sa se comport\u0103 diferit fa\u021b\u0103 de un defect de cale de rulare \u2014 o particularitate care constituie at\u00e2t un indiciu de diagnostic, c\u00e2t \u0219i o adev\u0103rat\u0103 b\u0103taie de cap \u00een ceea ce prive\u0219te tendin\u021bele.<\/p>\n<h2>1. Defini\u021bie: Ce sunt defectele elementelor de rulare?<\/h2>\n<p>Un element de rulare \u2014 bila dintr-un rulment cu bile, cilindrul, acul sau rola conic\u0103 dintr-un rulment cu role \u2014 este componenta care suport\u0103 efectiv sarcina \u00eentre cele dou\u0103 piste \u00een timpul rul\u0103rii. Suprafa\u021ba sa este o suprafa\u021b\u0103 din o\u021bel pentru rulmen\u021bi, finisat\u0103 cu precizie \u0219i c\u0103lit\u0103 \u00een profunzime, care trebuie s\u0103 r\u0103m\u00e2n\u0103 perfect\u0103 din punct de vedere geometric pentru a se roti f\u0103r\u0103 probleme. Orice defect al acestei suprafe\u021be, fie c\u0103 provine din fabrica de o\u021bel, fie c\u0103 apare \u00een timpul utiliz\u0103rii, devine un factor de concentrare a tensiunilor \u0219i o surs\u0103 de impact.<\/p>\n<p>De fiecare dat\u0103 c\u00e2nd defectul de pe element intr\u0103 \u00een contact cu o cale de rulare, acesta produce un impuls mic. Pe parcursul unei orbite complete a cu\u0219tii, elementul intr\u0103 \u00een contact o dat\u0103 cu calea de rulare exterioar\u0103 \u0219i o dat\u0103 cu cea interioar\u0103, astfel \u00eenc\u00e2t un singur defect tinde s\u0103 genereze dou\u0103 impacturi pe rota\u021bie a elementului \u2014 motiv pentru care a doua armonic\u0103, 2\u00d7BSF, este at\u00e2t de proeminent\u0103 \u00een spectru. Rata de repeti\u021bie a acestor impacturi este determinat\u0103 de geometria rulmentului (diametrul bilei, diametrul de pas, unghiul de contact \u0219i num\u0103rul de elemente), conferind defectului o frecven\u021b\u0103 caracteristic\u0103 calculabil\u0103, care este \u00een mod incontestabil diferit\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">vitez\u0103 de func\u021bionare<\/a> or its <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a>.<\/p>\n<h2>2. Tipuri de defecte ale elementelor de rulare<\/h2>\n<h3>Surface spalls<\/h3>\n<p>Cel mai frecvent defect al elementelor de rulare. Oboseala prin contact de rulare determin\u0103 desprinderea unei buc\u0103\u021bi de material de pe suprafa\u021b\u0103, l\u0103s\u00e2nd \u00een urm\u0103 un crater sau o ad\u00e2ncitur\u0103. De obicei, fragmentele au un diametru ini\u021bial de 0,5\u20133 mm, dar se m\u0103resc pe m\u0103sur\u0103 ce marginile ascu\u021bite ale cavit\u0103\u021bii lovesc c\u0103ile de rulare \u0219i desprind \u0219i mai multe resturi. Fiecare trecere a fragmentului peste o cale de rulare produce un impact, gener\u00e2nd vibra\u021bii la frecven\u021ba de baz\u0103 (BSF) \u0219i, adesea, la o frecven\u021b\u0103 de 2\u00d7BSF. (Vezi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spalling\/\">exfoliere<\/a> (pentru mecanismul care st\u0103 la baza oboselii.)<\/p>\n<h3>Fisuri<\/h3>\n<p>Fisurile apar ca urmare a suprasolicit\u0103rii, a loviturilor sau a oboselii materialului \u0219i pot fi de suprafa\u021b\u0103 sau sub suprafa\u021b\u0103. O fisur\u0103 se propag\u0103 p\u00e2n\u0103 c\u00e2nd o bucat\u0103 se desprinde \u2014 moment \u00een care se transform\u0103 \u00eentr-o a\u0219chie. Fisurile sunt greu de detectat \u00eenainte ca acest lucru s\u0103 se \u00eent\u00e2mple, iar \u00een cazurile grave, o bil\u0103 se poate fractura \u0219i fragmenta, provoc\u00e2nd o cedare brusc\u0103 \u0219i catastrofal\u0103.<\/p>\n<h3>Incluziuni de material<\/h3>\n<p>Un defect de fabrica\u021bie: prezen\u021ba unor corpuri str\u0103ine sau a unor goluri \u00een o\u021belul pentru rulmen\u021bi. Inclusiunile genereaz\u0103 o concentrare de tensiuni care duce la oboseal\u0103 prematur\u0103, de obicei nedetectabil\u0103 p\u00e2n\u0103 c\u00e2nd apar fisuri \u00een jurul incluziunii. Utilizarea unui o\u021bel pentru rulmen\u021bi curat \u0219i de \u00eenalt\u0103 calitate reprezint\u0103 singura m\u0103sur\u0103 de prevenire eficient\u0103.<\/p>\n<h3>Contaminare \u00eencorporat\u0103<\/h3>\n<p>Particulele dure \u2014 murd\u0103rie, granule abrazive, a\u0219chii metalice \u2014 care se \u00eenfig \u00een suprafa\u021ba elementului formeaz\u0103 o proeminen\u021b\u0103 care love\u0219te cu putere canalele de rulare la fiecare trecere. De asemenea, aceast\u0103 ad\u00e2ncitur\u0103 devine un punct de concentrare a tensiunilor care poate declan\u0219a o fisur\u0103. Rezultatul este apari\u021bia vibra\u021biilor de impact la BSF, iar cauza principal\u0103 este aproape \u00eentotdeauna o etan\u0219are sau o filtrare inadecvat\u0103, acela\u0219i lan\u021b de evenimente descris \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-lubrication\/\">lubrifierea rulmen\u021bilor<\/a> cleanliness.<\/p>\n<h3>Coroziune \u0219i deterior\u0103ri cauzate de umiditate<\/h3>\n<p>P\u0103trunderea apei sau condensul provoac\u0103 apari\u021bia petelor de rugin\u0103, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pitting\/\">ciupituri<\/a>\u0219i rugozitatea suprafe\u021bei. Zonele corodate ac\u021bioneaz\u0103 ca puncte de ini\u021biere a oboselii materialului. Etan\u0219area corespunz\u0103toare \u0219i utilizarea lubrifian\u021bilor cu propriet\u0103\u021bi anticorozive previn acest fenomen.<\/p>\n<h3>Brinelling \u0219i \u00eendoire<\/h3>\n<p>Solicit\u0103rile de \u0219oc \u2014 c\u0103derea rulmentului, loviturile \u00een timpul manipul\u0103rii sau suprasolicitarea static\u0103 \u2014 las\u0103 urme permanente pe suprafa\u021ba elementului. De asemenea, pot ap\u0103rea urme de brinelling fals ca urmare a vibra\u021biilor \u00een timp ce ma\u0219ina este oprit\u0103. Aceste urme genereaz\u0103 puncte de impact \u0219i concentr\u0103ri de tensiune; solu\u021bia const\u0103 \u00een manipularea cu grij\u0103 \u0219i montarea corect\u0103.<\/p>\n<h2>3. Semn\u0103tura vibra\u021bional\u0103<\/h2>\n<h3>Componen\u021ba spectral\u0103<\/h3>\n<p>Defectele elementelor de rulare genereaz\u0103 un model caracteristic \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectrul de vibra\u021bii<\/a>:<\/p>\n<ul>\n<li><strong>Frecven\u021ba principal\u0103:<\/strong> BSF, de obicei de 2\u20133 ori viteza de alergare.<\/li>\n<li><strong>O armonic\u0103 a doua puternic\u0103:<\/strong> 2\u00d7BSF este adesea mai mare dec\u00e2t frecven\u021ba fundamental\u0103, deoarece defectul love\u0219te ambele c\u0103i de rulare la fiecare rota\u021bie a elementului.<\/li>\n<li><strong>Distan\u021ba dintre benzile laterale:<\/strong> Bande laterale FTF (frecven\u021ba cu\u0219c\u0103) \u2014 <em>nu<\/em> 1\u00d7 benzi laterale. Acesta este principalul element care o deosebe\u0219te de o defec\u021biune de tip \u201einner-race\u201d.<\/li>\n<li><strong>Model:<\/strong> BSF \u00b1 FTF, BSF \u00b1 2\u00d7FTF \u0219i a\u0219a mai departe, form\u00e2nd un &#8220;gard de uluci&#8221; din v\u00e2rfuri distan\u021bate la frecven\u021ba cu\u0219tii.<\/li>\n<\/ul>\n<p>Deoarece impulsurile sunt scurte \u0219i de \u00eenalt\u0103 frecven\u021b\u0103, ele sunt de obicei ascunse \u00een spectrul brut \u0219i devin vizibile doar dup\u0103 demodulare. <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/envelope-analysis\/\">Analiza anvelopei<\/a> rectific\u0103 \u0219i filtreaz\u0103 semnalul printr-un filtru band\u0103 pentru a eviden\u021bia frecven\u021ba de repeti\u021bie, iar rezultatul <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/envelope-spectrum\/\">spectrul anvelopei<\/a> este locul \u00een care familia BSF\/FTF este cea mai vizibil\u0103. Cele str\u00e2ns \u00eenrudite <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">frecven\u021bele defectelor rulmen\u021bilor<\/a> pentru c\u0103 inelul interior, inelul exterior \u0219i cu\u0219ca completeaz\u0103 setul de instrumente de diagnosticare.<\/p>\n<h3>Distingerea celor patru tipuri de defecte ale rulmen\u021bilor<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Caracteristic\u0103<\/th>\n<th>Inel exterior (<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bpfo\/\">BPFO<\/a>)<\/th>\n<th>Inel interior (<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bpfi\/\">BPFI<\/a>)<\/th>\n<th>Element rulant (BSF)<\/th>\n<\/tr>\n<tr>\n<td>Frecven\u021ba principal\u0103<\/td>\n<td>BPFO (3\u20135\u00d7)<\/td>\n<td>BPFI (5\u20137\u00d7)<\/td>\n<td>BSF (2\u20133\u00d7)<\/td>\n<\/tr>\n<tr>\n<td>Distan\u021ba dintre benzile laterale<\/td>\n<td>Niciunul sau minim<\/td>\n<td>\u00b11\u00d7 (tura\u021bia arborelui)<\/td>\n<td>\u00b1FTF (viteza coliviei)<\/td>\n<\/tr>\n<tr>\n<td>Stabilitatea amplitudinii<\/td>\n<td>Relativ stabil<\/td>\n<td>Stabil<\/td>\n<td>Variabil (depinde de pozi\u021bia bilei)<\/td>\n<\/tr>\n<tr>\n<td>Apari\u021bie<\/td>\n<td>Cel mai frecvent (~40%)<\/td>\n<td>Comun (~35%)<\/td>\n<td>Cele mai pu\u021bin frecvente (~10\u201315%)<\/td>\n<\/tr>\n<\/table>\n<h3>Variabilitatea amplitudinii<\/h3>\n<p>O caracteristic\u0103 distinctiv\u0103 a defectelor de bil\u0103 este faptul c\u0103 amplitudinea m\u0103surat\u0103 variaz\u0103 de la o citire la alta:<\/p>\n<ul>\n<li>C\u00e2nd elementul defect trece prin zona de sarcin\u0103, loviturile sunt puternice, iar amplitudinea este mare.<\/li>\n<li>C\u00e2nd acela\u0219i element se afl\u0103 pe partea ne\u00eenc\u0103rcat\u0103 a rulmentului, contactul este u\u0219or, iar amplitudinea scade.<\/li>\n<li>Aceast\u0103 modula\u021bie este determinat\u0103 de frecven\u021ba cu\u0219tii (de unde \u0219i benzile laterale FTF) \u0219i poate face ca <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trending\/\">tendin\u021be<\/a> neregulat \u2014 \u00eens\u0103 chiar faptul c\u0103 nivelul oscileaz\u0103 \u00een sus \u0219i \u00een jos constituie \u00een sine un indiciu al unei defec\u021biuni la elementele de rulare.<\/li>\n<\/ul>\n<h2>4. Evolu\u021bia \u0219i consecin\u021bele<\/h2>\n<h3>Dezvoltarea defectelor<\/h3>\n<ol>\n<li><strong>Ini\u0163iere:<\/strong> o mic\u0103 fisur\u0103 la suprafa\u021b\u0103 sau o incluziune sub suprafa\u021b\u0103.<\/li>\n<li><strong>Micro-spall:<\/strong> o buc\u0103\u021bic\u0103 mic\u0103 de material se desprinde.<\/li>\n<li><strong>Spall growth:<\/strong> impacturile la marginile exfolierii agraveaz\u0103 deteriorarea.<\/li>\n<li><strong>Exfolieri multiple:<\/strong> resturile care circul\u0103 zg\u00e2rie suprafa\u021ba \u0219i provoac\u0103 apari\u021bia altor defecte.<\/li>\n<li><strong>Fragmentarea bilei:<\/strong> \u00een cazurile grave, o bil\u0103 \u00eentreag\u0103 se fisureaz\u0103 \u0219i se sparge \u00een buc\u0103\u021bi.<\/li>\n<li><strong>E\u0219ec total:<\/strong> rulmentul \u00ee\u0219i pierde capacitatea de sus\u021binere a sarcinii, bloc\u00e2ndu-se adesea.<\/li>\n<\/ol>\n<h3>Daune secundare<\/h3>\n<ul>\n<li><strong>Deteriorarea inelului:<\/strong> elementul defect zg\u00e2rie at\u00e2t inelul interior, c\u00e2t \u0219i cel exterior.<\/li>\n<li><strong>Circula\u021bia resturilor:<\/strong> materialul exfoliat provoac\u0103 abraziune \u00een trei corpuri pe toat\u0103 suprafa\u021ba rulmentului.<\/li>\n<li><strong>Deteriorarea coliviei:<\/strong> un element aspru uzeaz\u0103 buzunarele coliviei.<\/li>\n<li><strong>Deteriorare rapid\u0103:<\/strong> Odat\u0103 ce un element se defecteaz\u0103, celelalte urmeaz\u0103 rapid, astfel \u00eenc\u00e2t intervalul de timp dintre detectarea unei defec\u021biuni \u0219i producerea unei avarii este foarte scurt.<\/li>\n<\/ul>\n<h2>5. Cauze frecvente<\/h2>\n<h3>Defecte de fabrica\u021bie \u0219i de material<\/h3>\n<ul>\n<li>Incluziuni interne sau goluri \u00een materialul elementului.<\/li>\n<li>Un tratament termic necorespunz\u0103tor care duce la o duritate insuficient\u0103 sau inegal\u0103.<\/li>\n<li>Defecte ale finisajului suprafe\u021bei.<\/li>\n<li>Defectele geometrice, cum ar fi bilele care nu sunt rotunde.<\/li>\n<\/ul>\n<h3>Daune cauzate de instalare<\/h3>\n<ul>\n<li>Efectele manipul\u0103rii \u2014 c\u0103derea sau lovirea rulmentului.<\/li>\n<li>Brinelling cauzat de suprasolicitarea static\u0103 sau falsul brinelling provocat de vibra\u021bii \u00een stare de repaus.<\/li>\n<li>Contaminarea ap\u0103rut\u0103 \u00een timpul mont\u0103rii, prin \u00eencorporarea de particule \u00een suprafa\u021b\u0103.<\/li>\n<\/ul>\n<h3>Condi\u021bii de func\u021bionare<\/h3>\n<ul>\n<li>Lubrifierea insuficient\u0103 provoac\u0103 deteriorarea suprafe\u021bei \u0219i micro-sudarea.<\/li>\n<li>Supra\u00eenc\u0103rcarea care accelereaz\u0103 oboseala prin contactul de rulare.<\/li>\n<li>Curentul electric parazit care trece prin rulment, provoc\u00e2nd caneluri (fluting) \u0219i ciupituri (pitting).<\/li>\n<li>Mediile corozive care afecteaz\u0103 suprafe\u021bele elementelor.<\/li>\n<li>Contaminarea cu particule dure care provoac\u0103 ad\u00e2ncituri.<\/li>\n<\/ul>\n<h2>6. Detectarea, diagnosticarea \u0219i m\u0103surile corective<\/h2>\n<h3>Analiza vibra\u021biilor<\/h3>\n<ul>\n<li>Calcula\u021bi BSF \u0219i FTF pentru geometria specific\u0103 a rulmentului \u2014 a <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-defect-frequencies\/\">Calculator de frecven\u021b\u0103 a defectelor lag\u0103relor<\/a> converte\u0219te direct tura\u021bia arborelui \u0219i dimensiunile rulmentelor \u00een BPFO, BPFI, BSF \u0219i FTF.<\/li>\n<li>C\u0103uta\u021bi v\u00e2rful BSF \u00een spectrul de anvelop\u0103.<\/li>\n<li>Verifica\u021bi configura\u021bia benzilor laterale FTF \u2014 cea mai fiabil\u0103 metod\u0103 de confirmare a unei defec\u021biuni la elementele de rulare.<\/li>\n<li>Verifica\u021bi 2\u00d7BSF, care dep\u0103\u0219e\u0219te adesea amplitudinea frecven\u021bei fundamentale.<\/li>\n<li>Efectua\u021bi mai multe m\u0103sur\u0103tori; variabilitatea amplitudinii a\u0219teptate constituie \u00een sine o confirmare.<\/li>\n<\/ul>\n<p>\u00cen teren, aceast\u0103 secven\u021b\u0103 complet\u0103 \u2014 m\u0103surarea nivelului de band\u0103 larg\u0103, captarea spectrului \u0219i efectuarea analizei de anvelop\u0103 \u2014 reprezint\u0103 exact genul de diagnosticare a rulmen\u021bilor pentru care a fost conceput un analizor portabil cu dou\u0103 canale. <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> \u00eenregistreaz\u0103 spectrul FFT \u0219i forma de und\u0103 \u00een timp de la carcasele rulmen\u021bilor ma\u0219inii la viteza de func\u021bionare, astfel \u00eenc\u00e2t un analist s\u0103 poat\u0103 identifica familia BSF \u0219i benzile laterale FTF ale acesteia direct la fa\u021ba locului, f\u0103r\u0103 a fi necesar\u0103 demontarea ma\u0219inii, pentru a clasifica apoi defectul cu ajutorul unui instrument precum <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-damage-classifier\/\">Clasificator al deterior\u0103rilor rulmen\u021bilor (ISO 15243)<\/a>. Acela\u0219i instrument v\u0103 permite, de asemenea, s\u0103 v\u0103 asigura\u021bi c\u0103 defectul rulmentului este real \u0219i nu doar un efect de m\u0103surare, \u00eenainte de a decide \u00eenlocuirea acestuia.<\/p>\n<h3>Inspec\u021bie fizic\u0103<\/h3>\n<ul>\n<li>Demonta\u021bi rulmentul \u0219i verifica\u021bi fiecare bil\u0103 sau rol\u0103 \u00een parte.<\/li>\n<li>C\u0103uta\u021bi fisuri, cr\u0103p\u0103turi, materiale \u00eencorporate, coroziune<\/li>\n<li>Sim\u021bi\u021bi rugozitatea suprafe\u021bei \u2014 elemente netede versus elemente aspre.<\/li>\n<li>Verifica\u021bi precizia geometric\u0103 (deformarea).<\/li>\n<li>Fotografia\u021bi fiecare defect pentru dosarul de \u00eentre\u021binere.<\/li>\n<\/ul>\n<h3>M\u0103suri corective \u0219i cauza principal\u0103<\/h3>\n<p>R\u0103spunsul imediat const\u0103 \u00een cre\u0219terea frecven\u021bei monitoriz\u0103rii, \u00een conformitate cu <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/defect-severity\/\">severitatea defectului<\/a>, planifica\u021bi \u00eenlocuirea rulmentului \u0219i verifica\u021bi dac\u0103 inelele de rulment prezint\u0103 deterior\u0103ri secundare. Solu\u021bia durabil\u0103 const\u0103 \u00een analiza cauzelor profunde: revizui\u021bi alegerea \u0219i caracteristicile tehnice ale rulmentului, verifica\u021bi dac\u0103 lubrifierea este adecvat\u0103, identifica\u021bi sursele de contaminare, evalua\u021bi practicile de instalare \u0219i lua\u021bi \u00een considerare adoptarea unor rulmen\u021bi cu specifica\u021bii \u00eembun\u0103t\u0103\u021bite \u00een cazul \u00een care defectarea a survenit prematur. Integrarea acestor concluzii \u00eentr-un sistem structurat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a> programul este cel care transform\u0103 o defec\u021biune punctual\u0103 \u00eentr-una prevenit\u0103.<\/p>\n<p>De\u0219i sunt mai pu\u021bin frecvente dec\u00e2t defectele c\u0103ilor de rulare, defectele elementelor de rulare necesit\u0103 o \u00een\u021belegere clar\u0103 a semn\u0103turii lor specifice BSF, \u00eempreun\u0103 cu benzile laterale FTF, pentru un diagnostic precis. Detectarea timpurie prin analiza anvelopei permite efectuarea \u00eentre\u021binerii planificate cu mult \u00eenainte ca defectul s\u0103 degenereze \u00een avarii grave ale rulmentului \u0219i \u00een posibile defec\u021biuni catastrofale.<\/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 defectele elementelor de rostogolire din rulmen\u021bi, deteriorarea bilelor sau rolelor, inclusiv ciobituri, fisuri \u0219i defecte de material, detectabile prin frecven\u021ba BSF \u0219i benzile laterale FTF.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20649","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/20649","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\/20649\/revisions"}],"predecessor-version":[{"id":101399,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/20649\/revisions\/101399"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=20649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=20649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=20649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}