{"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\/bs\/glossary\/spalling\/","title":{"rendered":"\u0160to je valjanje u valjkastim le\u017eajima?"},"content":{"rendered":"<h1>Razumijevanje valjanja u valjkastim le\u017eajima<\/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\/bs\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i 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 prenosivi balanser i analizator 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\/bs\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">Prijenosni balanser i analizator vibracija 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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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=\"Balanset-1A senzor vibracija u detaljnom prikazu\" 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\/bs\/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\/bs\/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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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\/bs\/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\/bs\/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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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 set za balansiranje rotora: kofer za no\u0161enje, multikanalnu jedinicu za kondicioniranje signala, ru\u010dni analizator, magnetnu bazu, senzore vibracija i spiralne kablove.\" 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\/bs\/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\/bs\/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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje 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=\"Magnet base.\" 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\/bs\/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\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje Insize-60-kgf\">Magnetno postolje 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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\/bs\/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\/bs\/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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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=\"Balanset-1A sadr\u017eaj seta sa interfejsnom jedinicom, senzorima, tahometrom i dodatnom opremom\" 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\/bs\/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\/bs\/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 se primjenjuje)<\/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=\"\/bs\/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 korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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>Spalling<\/strong> \u2014 tako\u0111er zvano lju\u0161tura, lju\u0161tenje ili pitting kada je malo \u2014 je lokalizirano lju\u0161tenje, cipljenje ili lom materijala sa povr\u0161ine kru\u017ene staze ili valjkastih elemenata le\u017eaja uzrokavane zamorom od kiljnog kontakta. Lju\u0161tura se pojavljuje kao krater ili jama gdje je komad kaljenog \u010delika slomljen, ostavljaju\u0107i hrapavu, o\u0161troivi\u010dnu depresiju. Svaki put kada se lopta ili valjak preto\u010di preko tog kratera, isporu\u010duje mali mehani\u010dki udarac, i ti ponovljeni udarci radijalno isijane <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> at predictable <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-fault-frequencies\/\">frekvencijama kvarova le\u017eajeva<\/a> \u2014 potpis koji omogu\u0107ava analiti\u010daru da uhvati kvar mnogo prije nego \u0161to se le\u017eaj zaglavi.<\/p>\n<p>Valjanje je naj\u010de\u0161\u0107e i, u odre\u0111enom smislu, najzamjetljivije <em>normal<\/em> tip le\u017eaja: predstavlja prirodan kraj radnog vijeka le\u017eaja od umora. Razlikuje se od <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-wear\/\">wear<\/a> (postupnog, distribuiranog gubitka materijala) i od korozije inducirane <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/pitting\/\">pitting<\/a>. Va\u017eno je \u0161to je spalling otkrivljiv kroz <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration-analysis\/\">vibration analysis<\/a> mjeseci prije nego \u0161to le\u017eaj potpuno otka\u017ee, \u0161to ga \u010dini temeljnim ciljem svakog <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/predictive-maintenance\/\">prediktivno odr\u017eavanje<\/a> programme.<\/p>\n<h2>1. Fizi\u010dki mehanizam spallinga<\/h2>\n<h3>Umor od kliznog kontakta<\/h3>\n<p>Spalling nije nagadni doga\u0111aj ve\u0107 vidljivi vrhunac dugog procesa umora:<\/p>\n<ol>\n<li><strong>Cikli\u010dno optere\u0107enje:<\/strong> svaki prolazak elementa koji se kotrlja name\u0107e Hercijanski naprezanje na stazu tr\u010danja, obi\u010dno <strong>1000\u20133000 MPa<\/strong>, koncentrirano u kontaktnoj zoni manjoj od zrna ri\u017ee.<\/li>\n<li><strong>Podsuperficijalno naprezanje smicanja:<\/strong> maksimalno naizmjeni\u010dno naprezanje smicanja pojavljuje se ne na povr\u0161ini ve\u0107 malo ispod nje, obi\u010dno <strong>0.2\u20130.5 mm<\/strong> deep.<\/li>\n<li><strong>Inicijacija pukotine:<\/strong> nakon miliona \u2014 \u010desto milijardi \u2014 ciklusa naprezanja, mikroskopska pukotina nastaje na subsuperficijalnoj koncentraciji naprezanja, \u010desto na metaloidnoj inkluziji u \u010deliku.<\/li>\n<li><strong>Propagacija pukotine:<\/strong> pukotina se \u0161iri paralelno sa povr\u0161inom, zatim se grana kako prema povr\u0161ini tako i dublje u materijal.<\/li>\n<li><strong>Odvajanje materijala:<\/strong> mre\u017ea pukotina na kraju izoluje komad \u010delika.<\/li>\n<li><strong>Formiranje spallinga:<\/strong> taj izolovani materijal se osloba\u0111a, ostavljaju\u0107i karakteristi\u010dan krateri.<\/li>\n<\/ol>\n<p>Jer se o\u0161te\u0107enje po\u010dinje ispod povr\u0161ine, le\u017eaj mo\u017ee biti samo nekoliko dana udaljen od proizvodnje vidljive ispraskotine dok se njegove staze jo\u0161 uvijek \u010dine ogledalo-sjajne golim okom \u2014 \u0161to je upravo razlog zbog kojeg je subsuperficijalni umor nevidljiv za pregled ali \u010dujan vibracijskih senzora.<\/p>\n<h3>Tipi\u010dne karakteristike spallinga<\/h3>\n<ul>\n<li><strong>Size:<\/strong> u po\u010detku promjera 1\u20135 mm, rastu\u0107e na 10\u201320 mm ili ve\u0107e.<\/li>\n<li><strong>Depth:<\/strong> 0.2\u20132 mm u oja\u010danu povr\u0161inu.<\/li>\n<li><strong>Shape:<\/strong> nepravilna udubina s grubim dnom i izlizanim rubovima.<\/li>\n<li><strong>Location:<\/strong> naj\u010de\u0161\u0107e na vanjskom kolutu u zoni optere\u0107enja.<\/li>\n<li><strong>Appearance:<\/strong> sjajno, o\u0161trih rubova i metalnog sjaja u po\u010detku, tamni\u0107e se tijekom rada.<\/li>\n<\/ul>\n<h2>2. Uzroci i Doprinose\u0107i \u010cimbenici<\/h2>\n<h3>Normalna radna dob<\/h3>\n<ul>\n<li>Svaki le\u017eaj ima kona\u010dnu radnu dob \u2014 <strong>L10 life<\/strong>, to\u010dka do koje se o\u010dekuje da \u0107e 90% populacije pre\u017eivjeti.<\/li>\n<li>Lju\u0161tenje je o\u010dekivani na\u010din zavr\u0161etka radnog vijeka; dostizanje tog kraja pri ili izvan ra\u010dunate L10 dobi nije nedostatak ve\u0107 uspjeh u dizajnu.<\/li>\n<li>Pravil\u0430\u043d izbor le\u017eaja osigurava da L10 dob udobno prekora\u010duje tra\u017eenu radnu dob. Tu dob mo\u017eete odrediti prema optere\u0107enju i brzini vrtnje pomo\u0107u na\u0161eg <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/bearing-load\/\">Kalkulator L10 Dobi Le\u017eaja (ISO 281)<\/a>.<\/li>\n<\/ul>\n<h3>Preuranjeno lju\u0161tenje<\/h3>\n<p>Kada se lju\u0161ke pojave znatno prije L10 dobi, gotovo je uvijek u pitanju vanjski uzrok:<\/p>\n<ul>\n<li><strong>Overloading:<\/strong> dob pada s kubom optere\u0107enja (Dob \u221d 1\/Optere\u0107enje\u00b3), pa \u010dak i skromno preoptere\u0107enje drasti\u010dno skra\u0107uje radnu dob.<\/li>\n<li><strong>Lo\u0161e podmazivanje:<\/strong> nedovoljan film dozvoljava doticaj, \u0161to pove\u0107ava povr\u0161insko naprezanje.<\/li>\n<li><strong>Contamination:<\/strong> tvrde \u010destice ostavljaju udubine na stazi valjanja i stvaraju mjesta koncentracije naprezanja koja zapo\u010dinju pukotine.<\/li>\n<li><strong>Misalignment:<\/strong> optere\u0107enje na rubu koncentrira naprezanje na jednom kraju kontakta.<\/li>\n<li><strong>Neispravna instalacija:<\/strong> o\u0161te\u0107enje pri monta\u017ei iniciira rana kvarenja.<\/li>\n<li><strong>Corrosion:<\/strong> povr\u0161inska udubljenja djeluju kao gotova mjesta inicijacije pukotina.<\/li>\n<li><strong>Gre\u0161ke materijala:<\/strong> uklju\u010dine u \u010deliku le\u017eaja.<\/li>\n<\/ul>\n<p>\u010cesto zanemarena akceleratora je dinami\u010dko optere\u0107enje od lo\u0161eg balansa rotora: rezidualna <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a> dodaje rotacijsku silu stati\u010dkom optere\u0107enju le\u017eaja, i kroz taj kubni odnos \u010dak i malo pove\u0107anje dinami\u010dkog optere\u0107enja mo\u017ee dramati\u010dno skratiti vijek zamora. Odr\u017eavanje rotora u dobrom balansu je zato pravi mjera za\u0161tite le\u017eaja, a ne samo mjera za udobnost vibracija.<\/p>\n<h2>3. Detekcija vibracija prema stadiju te\u017eine<\/h2>\n<p>Velika vrijednost izbojavanja, dijagnosti\u010dki gledano, je \u0161to se ono rano najavljuje i eskalira u prepoznatljivom redoslijedu. Detekcija se uvelike oslanja na <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/envelope-analysis\/\">analizan plasmana<\/a>, \u0161to demodulira zvukove visokih frekvencija od udara kako bi se otkrio temeljni stupanj defekta.<\/p>\n<h3>Rana faza (mikro-izbojavanje)<\/h3>\n<ul>\n<li>Izbojavanje manjih od 1\u20132 mm promjera.<\/li>\n<li>Mali vrhovi na frekvencijama defekta le\u017eaja u <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/envelope-spectrum\/\">spektar obvojnice<\/a>.<\/li>\n<li>\u010cesto nevidljiv u standardnom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/fft\/\">FFT<\/a> spectrum.<\/li>\n<li>Amplituda envelopa: otprilike 0,5\u20132 g.<\/li>\n<li>Preostali vijek: tipi\u010dno 6\u201318 mjeseci.<\/li>\n<\/ul>\n<h3>Moderate stage<\/h3>\n<ul>\n<li>Izbojavanje od 2\u201310 mm promjera.<\/li>\n<li>Jasni vrhovi frekvencije defekta kako u FFT tako i u spektrima envelopa.<\/li>\n<li>Two to three <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/harmonics\/\">harmonics<\/a> od frekvencije defekta vidljiv.<\/li>\n<li>Onset of <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/sidebands\/\">sideband<\/a> formacija oko vrhova.<\/li>\n<li>Amplituda: otprilike 2\u201310 g.<\/li>\n<li>Preostali vijek: 2\u20136 mjeseci.<\/li>\n<\/ul>\n<h3>Advanced stage<\/h3>\n<ul>\n<li>Spall ve\u0107i od 10 mm, mogu\u0107e vi\u0161e spallova.<\/li>\n<li>Vrlo visoki vrhovi frekvencije kvarova sa 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>Pove\u0107an nivo \u0161uma.<\/li>\n<li>Amplituda: vi\u0161a od 10 g.<\/li>\n<li>Preostali vijek: dani do sedmice.<\/li>\n<\/ul>\n<h3>Ozbiljna \/ kriti\u010dna faza<\/h3>\n<ul>\n<li>Opse\u017ean spalling sa vi\u0161e defekata.<\/li>\n<li>\u0160irokopojasni \u0161um po\u010dinje da dominira spektrom.<\/li>\n<li>Pojedina\u010dne frekvencije kvarova postaju zaklonjene tim \u0161umom.<\/li>\n<li>Vrlo visoko op\u0107e vibracijska oscilacija, \u010dujna buka le\u017eaja i rastu\u0107a temperatura.<\/li>\n<li>Kvar je neposredan \u2014 odmah je potrebna zamjena.<\/li>\n<\/ul>\n<p>Da biste ovo pretvorili u akciju, morate znati ta\u010dne frekvencije koje trebate tra\u017eiti. Zavise od geometrije le\u017eaja i brzine osovine, zato ih izra\u010dunajte unaprijed sa <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/bearing-defect-frequencies\/\">Kalkulator Frekvencija Gre\u0161aka Le\u017eaja<\/a> \u2014 rezultiraju\u0107i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bsf\/\">BSF<\/a> and <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/ftf\/\">FTF<\/a> vrijednosti vam govore ta\u010dno gdje na spektru \u0107e se pojaviti spall na svakoj komponenti.<\/p>\n<h2>4. Progresija i sekundarna o\u0161te\u0107enja<\/h2>\n<h3>Spall growth<\/h3>\n<p>Kada se spall formira, raste progresivno, a rast ima tendenciju da bude eksponencijalan umjesto linearnog:<\/p>\n<ul>\n<li>Udarna optere\u0107enja na rubovima spalla stvaraju lokalno visoki stres.<\/li>\n<li>Susjedni materijal umara se br\u017ee od nove povr\u0161ine le\u017eaja.<\/li>\n<li>\u0160karpa se \u0161iri prema van i dublje s svakom revolucijom.<\/li>\n<li>Mala \u0161karpa mo\u017ee postati velika unutar nekoliko sedmica kada je proces samo-alimentiran.<\/li>\n<\/ul>\n<h3>Sekundarna o\u0161te\u0107enja<\/h3>\n<p>\u0160karpa tako\u0111er \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0430 krhotine koje uzrokuju kaskadno o\u0161te\u0107enje:<\/p>\n<ul>\n<li><strong>Generiranje krhotina:<\/strong> \u043c\u0435\u0442\u0430\u043b\u043d\u0435 ljuske sa \u0161karpe cirkuliraju u mazivnom ulju.<\/li>\n<li><strong>Trotejna abrazija:<\/strong> te krhotine djeluju kao sredstvo za poliranje, zare\u017eu\u0107i ina\u010de \u010dvrste povr\u0161ine.<\/li>\n<li><strong>Sekundarne \u0161karpe:<\/strong> ugra\u0111ene \u010destice zarobljavaju svje\u017eu povr\u0161inu le\u017eaja i nucleate nove \u0161karpe drugdje.<\/li>\n<li><strong>Brzo pogor\u0161anje:<\/strong> kada postoji nekoliko \u0161karpi, otkaz se znatno ubrzava.<\/li>\n<li><strong>Potpuni otkaz:<\/strong> le\u017eaj na kraju gubi svu sposobnost no\u0161enja optere\u0107enja.<\/li>\n<\/ul>\n<h2>5. Odgovor i Korekcijske mjere<\/h2>\n<h3>Upon detection<\/h3>\n<ol>\n<li><strong>Potvrdi dijagnozu:<\/strong> potvrdi da izmjerena frekvencija kvar\u0430 odgovara geometriji le\u017eaja \u2014 ne slu\u010dajnost ili <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/harmonics\/\">harmonic<\/a> ne\u010dega drugoga.<\/li>\n<li><strong>Procijena te\u017eine:<\/strong> postavi kvar na skalu stupnja iznad koriste\u0107i amplitudu i broj harmonika.<\/li>\n<li><strong>Pove\u0107ajte nadzor:<\/strong> skratite interval sa mjese\u010dnog na tjedni ili dnevni kako se ozbiljnost pove\u0107ava.<\/li>\n<li><strong>Zakazati zamjenu:<\/strong> planirajte zamjenu za primjereno vrijeme <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/shutdown\/\">shutdown<\/a> window.<\/li>\n<li><strong>Nabavite le\u017eaj:<\/strong> naru\u010dite ispravan model i provjerite njegove specifikacije prije prekida rada.<\/li>\n<\/ol>\n<h3>Indikatori hitnosti<\/h3>\n<p>Trenutno ga\u0161enje je opravdano ako se pojavi ne\u0161to od sljede\u0107eg:<\/p>\n<ul>\n<li>Amplituda vibracija koja se udvostru\u010dava u manje od tjedna.<\/li>\n<li>Temperatura le\u017eaja koja brzo raste \u2014 vi\u0161e od oko 5 \u00b0C tijekom jedne smjene.<\/li>\n<li>\u010cujni brkljav zvuk, pi\u0161tanje ili hrapavost iz le\u017eaja.<\/li>\n<li>Vi\u0161estruke frekvencije le\u017eaja koje se pojavljuju istovremeno, \u0161to ukazuje na vi\u0161e gre\u0161ke.<\/li>\n<li>Gubitak maziva ili vidljiva kontaminacija.<\/li>\n<\/ul>\n<h2>6. Prevencija kroz dizajn i odr\u017eavanje<\/h2>\n<h3>Design phase<\/h3>\n<ul>\n<li>Odaberite le\u017eajeve s primjerenom procjenom vijeka trajanja (L10 zna\u010dajno ve\u0107i od potrebnog vijeka slu\u017ebe).<\/li>\n<li>Osigurajte odgovaraju\u0107i sustav mazivanja i u\u010dinkovito brtvljenje.<\/li>\n<li>Osigurajte primjereno hla\u0111enje za radne uvjete.<\/li>\n<\/ul>\n<h3>Faza instalacije<\/h3>\n<ul>\n<li>Koristite \u010diste prakse instalacije i ispravne alate za monta\u017eu kako biste izbjegli o\u0161te\u0107enje pri monta\u017ei.<\/li>\n<li>Provjerite ispravnost <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-clearance\/\">zazor le\u017eaja<\/a>.<\/li>\n<li>Posti\u0107i preciznost <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/misalignment\/\">alignment<\/a> da bi se izbjeglo optere\u0107enje ivice.<\/li>\n<\/ul>\n<h3>Operativna faza<\/h3>\n<ul>\n<li>Pokrenite program nadgledanja vibracija koji uklju\u010duje analizu omota\u010da.<\/li>\n<li>Odr\u017eavajte disciplinirani program podmazivanja \u2014 pravilni intervali, koli\u010dine i klasa.<\/li>\n<li>Pratite temperaturu.<\/li>\n<li>Odr\u017eavajte rotore dobro balansirane kako bi se smanjila dinami\u010dka optere\u0107enja koja skra\u0107uju vijek trajanja umora. Prenosivi analizator sa dva kanala kao \u0161to je <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> omogu\u0107ava tehni\u010daru da prati spektar omota\u010da sumnjivog le\u017eaja i, kada je uzrok neubalansirani rotor, da ga ispravi na mjestu u le\u017eajima same ma\u0161ine \u2014 uklanjaju\u0107i upravo to dinami\u010dko optere\u0107enje koje je dovelo le\u017eaj na rub ranog lju\u0161tenja.<\/li>\n<\/ul>\n<p>Lju\u0161tenje je neizbje\u017eni krajnji ishod zamora le\u017eaja, ali nije mora biti iznena\u0111enje. Zahvaljuju\u0107i ispravnom izboru le\u017eaja, \u010distoj monta\u017ei, discipliniranom podmazivanju i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/condition-monitoring\/\">pra\u0107enje stanja stroja<\/a>, vijek usluge je maksimiziran i kvar je uhva\u0107en dovoljno rano da se sprije\u010di sekundarna o\u0161te\u0107enja i da se neplanirani prekid pretvori u planirani, jeftin odgovaraju\u0107i zamjena.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte o spalling-u, otpadom materijala povr\u0161ine le\u017eaja uslijed zamora, primarnom modu otkazivanja u le\u017eajima sa valjcima koju je mogu\u0107e otkriti kroz analizu 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\/bs\/wp-json\/wp\/v2\/glossary\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/245\/revisions"}],"predecessor-version":[{"id":101410,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/245\/revisions\/101410"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}