{"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\/hr\/glossary\/spalling\/","title":{"rendered":"\u0160to je lju\u0161tenje u kotrljaju\u0107im le\u017eajevima?"},"content":{"rendered":"<h1>Razumijevanje lju\u0161tenja u kotrljaju\u0107im le\u017eajevima<\/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\/hr\/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\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija 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 kompletan set prijenosnog balansera i analizatora vibracija\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija Balanset-1A\">Portable balancer &amp; Vibration analyzer 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">\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=\"Detalj senzora vibracija 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">senzor vibracija<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">\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=\"Opti\u010dki senzor (laserski tahometar)\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">Opti\u010dki senzor (laserski tahometar)<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/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=\"Vibromera komplet za balansiranje rotora: torba za no\u0161enje, vi\u0161ekanalni pretvara\u010d signala, ru\u010dni analizator, magnetska baza, senzori vibracija i spiralni kabeli.\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 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=\"Magnetska baza.\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 60 kgf\">Magnetski stalak Insize nosivosti 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">\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=\"Reflektiraju\u0107a traka\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">Reflektiraju\u0107a traka<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d 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=\"Sadr\u017eaj kompleta Balanset-1A s jedinicom za su\u010delje, senzorima, tahometrom i dodacima\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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>lju\u0161tenje<\/strong> \u2014 tako\u0111er nazvan pukotina, ljuskanje ili bu\u0161enje kada je malo \u2014 je lokalizirano ljuskanje, osipanje ili pukotina materijala sa povr\u0161ine utrka ili valjnih elemenata le\u017eaja uzrokanih valjnom zamornom naprezanju. Pukotina se pojavljuje kao krater ili jama gdje je komad zakaljenog \u010delika odlomljen, ostavljaju\u0107i hrapavu, o\u0161trorebrenu depresiju. Svaki put kada kuglica ili valjak pro\u0111e preko te kraterske depresije isporu\u010dava mali mehani\u010dki udarac, i ti ponovljeni udaci emituju <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration\/\">vibracija<\/a> u predvidljivim <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-fault-frequencies\/\">frekvencije kvarova le\u017eajeva<\/a> \u2014 potpis koji analiti\u010daru omogu\u0107ava da uhvati gre\u0161ku dugo prije nego \u0161to se le\u017eaj blokira.<\/p>\n<p>Ljuskanje je naj\u010de\u0161\u0107e i, u odre\u0111enom smislu, najva\u017enije <em>normalno<\/em> modo otkazivanja le\u017eaja: predstavlja prirodan zavr\u0161etak zamornog vijeka le\u017eaja. Razlikuje se od <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-wear\/\">nositi<\/a> (postupni, raspr\u0161eni gubitak materijala) i od korozije inducirane <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/pitting\/\">korozija<\/a>. Presudno je \u0161to je otpadanje detektabilno kroz <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration-analysis\/\">Analiza vibracija<\/a> mjeseci prije nego \u0161to le\u017eaj otkazuje sasvim, \u0161to ga \u010dini temeljnom metom svakog <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/predictive-maintenance\/\">prediktivno odr\u017eavanje<\/a> program.<\/p>\n<h2>1. Fizi\u010dki mehanizam otpadanja<\/h2>\n<h3>Zamor od valjaju\u0107eg kontakta<\/h3>\n<p>Otpadanje nije naglon doga\u0111aj ve\u0107 vidljivo vrhunce dugog procesa zamaranja:<\/p>\n<ol>\n<li><strong>Cikli\u010dka optere\u0107enja:<\/strong> svaki prolazak valjaju\u0107eg elementa nanosi Hertzijanski kontaktni napon na trag, tipi\u010dno <strong>1000\u20133000 MPa<\/strong>, koncentriran u kontaktnoj plohi manjoj od zrnca ri\u017ee.<\/li>\n<li><strong>Posmi\u010dni napon ispod povr\u0161ine:<\/strong> najve\u0107i izmjeni\u010dni posmi\u010dni napon ne javlja se na povr\u0161ini ve\u0107 malo ispod nje, obi\u010dno <strong>0,2\u20130,5 mm<\/strong> duboko.<\/li>\n<li><strong>Inicijacija pukotine:<\/strong> nakon milijuna \u2014 \u010desto milijardi \u2014 ciklusa naprezanja, mikroskopska pukotina nukleira na posmi\u010dnoj koncentraciji ispod povr\u0161ine, \u010desto na nemetalnoj uklju\u010dini u \u010deliku.<\/li>\n<li><strong>Propagacija pukotina:<\/strong> pukotina raste paralelno s povr\u0161inom, zatim se granira i prema povr\u0161ini i dublje u materijal.<\/li>\n<li><strong>Odvajanje materijala:<\/strong> mre\u017eu pukotina na kraju izolira komad \u010delika.<\/li>\n<li><strong>Nastajanje otpadanja:<\/strong> taj izoliran materijal se osloba\u0111a, ostavljaju\u0107i karakteristi\u010dan krater.<\/li>\n<\/ol>\n<p>Budu\u0107i da \u0161teta po\u010dinje ispod povr\u0161ine, le\u017eaj mo\u017ee biti nekoliko dana udaljen od stvaranja vidljivog otpadanja dok se njegovi tragovi jo\u0161 \u010dine ogledalom svijetli golim okom \u2014 \u0161to je upravo razlog za\u0161to je zamor ispod povr\u0161ine nevidljiv pri pregledu ali \u010dujan senzoru vibracija.<\/p>\n<h3>Tipi\u010dne karakteristike otpadanja<\/h3>\n<ul>\n<li><strong>Veli\u010dina:<\/strong> po\u010detno 1\u20135 mm u promjeru, rastu\u0107i na 10\u201320 mm ili vi\u0161e.<\/li>\n<li><strong>Dubina:<\/strong> 0,2\u20132 mm u otvrdnuti povr\u0161inski sloj.<\/li>\n<li><strong>Oblik:<\/strong> nepravilna udubina s hrapavim dnom i zubanim rubovima.<\/li>\n<li><strong>Mjesto:<\/strong> naj\u010de\u0161\u0107e na vanjskoj stazi u zoni optere\u0107enja.<\/li>\n<li><strong>Izgled:<\/strong> sjajno, \u0161iljato i metali\u010dno isprva, tamnjeje tijekom rada.<\/li>\n<\/ul>\n<h2>2. Uzroci i Doprinose\u0107i \u010cimbenici<\/h2>\n<h3>Normalan vijek trajanja umora<\/h3>\n<ul>\n<li>Svaki le\u017eaj ima ograni\u010den vijek trajanja umora \u2014 <strong>L10 vijek trajanja<\/strong>, to\u010dka do koje se o\u010dekuje da \u0107e 90% populacije pre\u017eivjeti.<\/li>\n<li>O\u0161te\u0107enje je o\u010dekivani na\u010din kraja vijeka trajanja; postizanje toga pri ili nakon izra\u010dunatog L10 vijeka nije nedostatak nego uspjeh dizajna.<\/li>\n<li>Ispravan odabir le\u017eaja osigurava da L10 vijek trajanja udobno prema\u0161uje potreban vijek upotrebe. Taj vijek mo\u017eete odrediti u odnosu na optere\u0107enje i brzinu pomo\u0107u na\u0161eg <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/bearing-load\/\">Kalkulator vijeka trajanja le\u017eaja L10 (ISO 281)<\/a>.<\/li>\n<\/ul>\n<h3>Preurano o\u0161te\u0107enje<\/h3>\n<p>Kada se o\u0161te\u0107enja pojave daleko prije L10 vijeka trajanja, vanjski uzrok je gotovo uvijek u pitanju:<\/p>\n<ul>\n<li><strong>Preoptere\u0107enje:<\/strong> vijek trajanja pada s kubusom optere\u0107enja (Vijek \u221d 1\/Optere\u0107enje\u00b3), pa \u010dak i umjereno preoptere\u0107enje drasti\u010dno smanjuje vijek upotrebe.<\/li>\n<li><strong>Lo\u0161a mazivost:<\/strong> neadekvatni film omogu\u0107ava da neravnine dodiruju, \u0161to pove\u0107ava povr\u0161inski napon.<\/li>\n<li><strong>Kontaminacija:<\/strong> \u010dvrste \u010destice zarobljavaju stazu i stvaraju mjesta za iniciiranje naprezanja koja sjemene pukotine.<\/li>\n<li><strong>Neuskla\u0111enost:<\/strong> optere\u0107enje na rubnom dijelu koncentrira napon na jednom kraju kontakta.<\/li>\n<li><strong>Neto\u010dna instalacija:<\/strong> o\u0161te\u0107enja pri monta\u017ei zapo\u010dinju rane kvarove.<\/li>\n<li><strong>Korozija:<\/strong> povr\u0161inski pukotini djeluju kao gotova mjesta za iniciranje pukotine.<\/li>\n<li><strong>Defekti materijala:<\/strong> uklju\u010dine u \u010deliku le\u017eaja.<\/li>\n<\/ul>\n<p>\u010cesto zanemarivani ubrzavaju\u0107i faktor je dinami\u010dko optere\u0107enje uslijed lo\u0161e ravnote\u017ee rotora: rezidualno <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neravnote\u017ea<\/a> dodaje rotacijsku silu stati\u010dkom optere\u0107enju le\u017eaja, a kroz taj kubni odnos \u010dak i malo pove\u0107anje dinami\u010dkog optere\u0107enja mo\u017ee dramati\u010dno skratiti vijek umora. Odr\u017eavanje rotora u dobri ravnote\u017ei je dakle pravi mjere za\u0161tite le\u017eaja, a ne samo mjere umanjenja vibracija.<\/p>\n<h2>3. Detekcija Vibracija po Fazi Te\u017eine<\/h2>\n<p>Velika vrijednost spalling-a, dijagnosti\u010dki gledano, je \u0161to se javlja rano i eskalira u prepoznatljivom nizu. Detekcija se oslanja u velikoj mjeri na <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/envelope-analysis\/\">analiza omota\u010da<\/a>, \u0161to demodulira zvone visokih frekvencija kako bi otkrio temeljnu frekvenciju kvarova.<\/p>\n<h3>Rana faza (mikro-spalling)<\/h3>\n<ul>\n<li>Spalling manji od 1\u20132 mm u promjeru.<\/li>\n<li>Mali vrhovi na frekvencijama kvarova le\u017eaja u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/envelope-spectrum\/\">spektar ovojnice<\/a>.<\/li>\n<li>\u010cesto nevidljiv u standardnom <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fft\/\">FFT<\/a> Spektar.<\/li>\n<li>Amplituda omota: pribli\u017eno 0,5\u20132 g.<\/li>\n<li>Preostali vijek trajanja: obi\u010dno 6\u201318 mjeseci.<\/li>\n<\/ul>\n<h3>Umjerena faza<\/h3>\n<ul>\n<li>Spalling 2\u201310 mm u promjeru.<\/li>\n<li>Jasni vrhovi frekvencija kvarova u FFT-u i spektrima omota.<\/li>\n<li>Dva do tri <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/harmonics\/\">harmonici<\/a> frekvencije kvarova vidljive.<\/li>\n<li>Pojava <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/sidebands\/\">bo\u010dni pojas<\/a> formacija oko vrhova.<\/li>\n<li>Amplituda: pribli\u017eno 2\u201310 g.<\/li>\n<li>Preostali vijek trajanja: 2\u20136 mjeseci.<\/li>\n<\/ul>\n<h3>Napredna faza<\/h3>\n<ul>\n<li>Spalling ve\u0107i od 10 mm, mogu\u0107ih nekoliko spalling-a.<\/li>\n<li>Vr\u0161ne vrijednosti na frekvenciji kvarnjenja s vrlo velikom amplitudom.<\/li>\n<li>Brojni harmonici, \u010detiri do osam ili vi\u0161e.<\/li>\n<li>Slo\u017eena struktura bo\u010dnih vrpci.<\/li>\n<li>Povi\u0161ena razina \u0161uma.<\/li>\n<li>Amplituda: iznad 10 g.<\/li>\n<li>Preostali vijek trajanja: dani do tjedni.<\/li>\n<\/ul>\n<h3>Ozbiljna \/ kriti\u010dna faza<\/h3>\n<ul>\n<li>Opse\u017eno lju\u0161tenje s vi\u0161e defekta.<\/li>\n<li>\u0160irokopojasni \u0161um po\u010dinje dominirati spektrom.<\/li>\n<li>Pojedina\u010dne frekvencije kvarnjenja postaju zasje\u010dene tim \u0161umom.<\/li>\n<li>Vrlo visoka ukupna vibracija, \u010dujni zvuk le\u017eaja i rastu\u0107a temperatura.<\/li>\n<li>Otkazivanje je neizbje\u017eno \u2014 potrebna je hitna zamjena.<\/li>\n<\/ul>\n<p>Da biste to pretvorili u akciju, morate znati to\u010dne frekvencije koje trebate tra\u017eiti. One ovise o geometriji le\u017eaja i brzini vrtnje osovine, zato ih izra\u010dunajte unaprijed pomo\u0107u <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/bearing-defect-frequencies\/\">Kalkulator u\u010destalosti kvarova le\u017eajeva<\/a> \u2014 rezultiraju\u0107ih <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bsf\/\">BSF<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/ftf\/\">FTF<\/a> vrijednosti vam to\u010dno pokazuju gdje \u0107e se na spektru pojaviti lju\u0161tenje na svakom komponenti.<\/p>\n<h2>4. Progresija i sekundarno o\u0161te\u0107enje<\/h2>\n<h3>Rast lju\u0161tenja<\/h3>\n<p>Kada se formira lju\u0161tenje, ono progresivno raste, a rast je obi\u010dno eksponencijalan umjesto linearnog:<\/p>\n<ul>\n<li>Udarno optere\u0107enje na rubovima lju\u0161tenja stvara lokalno visoki naprezanja.<\/li>\n<li>Susjedni materijal br\u017ee se zamara\u0161uje nego \u010dist utro\u0161eni dio prstena.<\/li>\n<li>Lju\u0161tenje se \u0161iri prema van i dublje s svakom revolucijom.<\/li>\n<li>Mali pukotina mo\u017ee postati velika unutar nekoliko tjedana kada je proces samo-napajaju\u0107i.<\/li>\n<\/ul>\n<h3>Sekundarna o\u0161te\u0107enja<\/h3>\n<p>Lju\u0161tenje tako\u0111er generi\u0161e krhotine koje izazivaju kaskadnu \u0161tetu:<\/p>\n<ul>\n<li><strong>Generiranje krhotina:<\/strong> metalne ljuske iz pukotine cirkuliraju u lubriikantu.<\/li>\n<li><strong>Abrazija tri tijela:<\/strong> te krhotine djeluju kao brusni spoj, rezbare\u0107i ina\u010de zdrave povr\u0161ine.<\/li>\n<li><strong>Sekundarne pukotine:<\/strong> ugnje\u017e\u0111ene \u010destice ostavljaju udubine na svje\u017eoj stazi i zapo\u010dinju nove pukotine drugdje.<\/li>\n<li><strong>Brzo pogor\u0161anje:<\/strong> kada je prisutno nekoliko pukotina, kvar se ubrzano ubrzava.<\/li>\n<li><strong>Potpuni kvar:<\/strong> le\u017eaj na kraju gubi svu nosivost.<\/li>\n<\/ul>\n<h2>5. Odziv i korekcijske mjere<\/h2>\n<h3>Nakon otkrivanja<\/h3>\n<ol>\n<li><strong>Potvrdite dijagnozu:<\/strong> provjerite podudara li se izmjerena frekvencija kvara s geometrijom le\u017eaja &#8217; nije slu\u010dajnost ili a <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/harmonics\/\">harmonik<\/a> ne\u010dega drugoga.<\/li>\n<li><strong>Procijenite te\u017einu:<\/strong> postavite kvar na skalu stupnja iznad koriste\u0107i amplitudu i broj harmonika.<\/li>\n<li><strong>Poja\u010dajte nadzor:<\/strong> sa\u017eimite interval od mjese\u010dnog na tjedni ili dnevni kako se ozbiljnost pove\u0107ava.<\/li>\n<li><strong>Zakazati zamjenu:<\/strong> planirajte zamjenu za prikladan <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/shutdown\/\">ga\u0161enje<\/a> prozor.<\/li>\n<li><strong>Nabavite le\u017eaj:<\/strong> naru\u010dite ispravnu vrstu i provjerite njezine specifikacije prije prekida rada.<\/li>\n<\/ol>\n<h3>Indikatori hitne akcije<\/h3>\n<p>Hitno ga\u0161enje je opravdano ako se pojavi bilo koji od sljede\u0107ih znakova:<\/p>\n<ul>\n<li>Udvostru\u010denje amplitude vibracija u manje od tjedna.<\/li>\n<li>Temperatura le\u017eaja brzo raste \u2014 vi\u0161e od oko 5 \u00b0C tijekom jedne smjene.<\/li>\n<li>\u010cujno \u0161kripanje, cviljenje ili hrapavost le\u017eaja<\/li>\n<li>Prisutne vi\u0161estruke frekvencije le\u017eaja istovremeno, \u0161to ukazuje na vi\u0161e o\u0161te\u0107enja.<\/li>\n<li>Gubitak maziva ili vidljiva kontaminacija.<\/li>\n<\/ul>\n<h2>6. Prevencija kroz projektiranje i odr\u017eavanje<\/h2>\n<h3>Faza projektiranja<\/h3>\n<ul>\n<li>Odaberite le\u017eajeve s primjerenim vijekom trajanja (L10 znatno ve\u0107i od potrebnog vijeka slu\u017ebe).<\/li>\n<li>Osigurajte pravilno sustav mazvanja i efikasno brtvljenje.<\/li>\n<li>Osigurajte prikladnog hla\u0111enja za uvjete rada.<\/li>\n<\/ul>\n<h3>Faza ugradnje<\/h3>\n<ul>\n<li>Koristite \u010diste prakse ugra\u0111ivanja i ispravne alate za monta\u017eu kako bi izbjegli o\u0161te\u0107enja pri monta\u017e\u0438.<\/li>\n<li>Provjerite je li ispravan <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-clearance\/\">zazor le\u017eaja<\/a>.<\/li>\n<li>Postignite precizno <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/misalignment\/\">poravnanje<\/a> izbjegavanja rubnog optere\u0107enja.<\/li>\n<\/ul>\n<h3>Faza rada<\/h3>\n<ul>\n<li>Pokrenite program nadzora vibracija koji uklju\u010duje analizu ovojnice.<\/li>\n<li>Odr\u017eavajte disciplinirani program mazvanja \u2014 ispravni intervali, koli\u010dine i razred.<\/li>\n<li>Nadzor temperature.<\/li>\n<li>Dr\u017eite rotore dobro uravnote\u017eene kako bi minimalizirali dinami\u010dka optere\u0107enja koja skra\u0107uju vijek trajanja umora. Prijenosni dvokanalski analizator kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> omogu\u0107ava tehni\u010daru pra\u0107enje spektra ovojnice sumnjivog le\u017eaja i, kada je temeljni uzrok neravnote\u017ea rotora, ispravljanje na mjestu u vlastitim le\u017eajevima stroja \u2014 uklanjanje upravo tog dinami\u010dkog optere\u0107enja koje je dovelo le\u017eaj prema ranom sljuskanju.<\/li>\n<\/ul>\n<p>Pljuskanje je neizbje\u017ean kona\u010dan stadij zamora le\u017eaja, ali ne mora biti iznena\u0111enje. Kroz razumnu izboru le\u017eaja, \u010distom instalaciji, disciplinirani mazivosti i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/condition-monitoring\/\">pra\u0107enje stanja<\/a>, vijek trajanja je maksimalno produljen, a otkaz se otkrije dovoljno rano da se sprije\u010de sekundarne \u0161tete i neplanirana kvar pretvori u planiranu, jeftinu zamjenu.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/\">\u2190 Natrag na glavni indeks<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte vi\u0161e o lju\u0161tenju, lju\u0161tenju materijala s povr\u0161ine le\u017eaja zbog zamora, primarnom na\u010dinu kvara valjkastih le\u017eajeva koji se mo\u017ee otkriti analizom vibracija.<\/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\/hr\/wp-json\/wp\/v2\/glossary\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/245\/revisions"}],"predecessor-version":[{"id":101410,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/245\/revisions\/101410"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=245"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}