{"id":89,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cracked-rotor\/"},"modified":"2026-05-23T22:47:44","modified_gmt":"2026-05-23T22:47:44","slug":"cracked-rotor","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/cracked-rotor\/","title":{"rendered":"\u0160to je napuknuti rotor? Otkrivanje i odgovor"},"content":{"rendered":"<h1>Razumijevanje napuknutih rotora<\/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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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>A <strong>napuknuti rotor<\/strong> je <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor\/\">rotor<\/a> ili rotiraju\u0107e vratilo na kojem se razvila zamorna pukotina \u2014 lom koji se \u0161iri kroz materijal pod cikli\u010dkim naprezanjem. To je u su\u0161tini isti nedostatak kao i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/shaft-crack\/\">pukotina osovine<\/a>, ali pojam nagla\u0161ava cjelokupni sklop rotora, a ne samo sam element vratila. Napuknuti rotori spadaju me\u0111u najopasnije kvarove na strojevima jer se pukotina mo\u017ee pro\u0161iriti iz male, neotkrivene nepravilnosti do potpunog katastrofalnog loma u roku od nekoliko dana ili tjedana, \u010dim dosegne fazu u kojoj <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration\/\">vibracija<\/a> nadzor to mo\u017ee otkriti. Prepoznatljiv potpis je istaknut <strong>2\u00d7 (drugi harmonik)<\/strong> komponenta koja raste s napredovanjem pukotine, proizvedena dvostrukom promjenom krutosti vratila po okretu dok se pukotina otvara i zatvara tijekom rotacije.<\/p>\n<h2>1. Definicija i za\u0161to su pukotine tako opasne<\/h2>\n<p>Pukotina od zamora u rotiraju\u0107em vratilu pona\u0161a se vrlo druga\u010dije od stati\u010dke mane. Svaki okret primjenjuje puni ciklus savijanja naprezanjem i kompresijom na napuknuti dio, pa rotor akumulira o\u0161te\u0107enja istom brzinom kojom akumulira okrete \u2014 tisu\u0107e ciklusa naprezanja u minuti. Opasan je dio vremenska linija: pukotina mo\u017ee godinama mirovati i biti nevidljiva, a zatim prije\u0107i u fazu brzog ubrzanja u kojoj se razlika izme\u0111u \u201cprvog pouzdano detektabilnog\u201d i \u201cslomljenog\u201d mjeri danima. Ovaj skra\u0107eni prozor upozorenja upravo je razlog za\u0161to se potvr\u0111ena pukotina obi\u010dno smatra osnovom za neposrednu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/shutdown\/\">ga\u0161enje<\/a>, i za\u0161to kontinuirano <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/condition-monitoring\/\">pra\u0107enje stanja<\/a> je opravdano na kriti\u010dnim strojevima.<\/p>\n<h2>2. Kako se pukotine razvijaju na rotorima<\/h2>\n<h3>Mjesta nastanka pukotina<\/h3>\n<p>Pukotine se gotovo uvijek iniciraju na koncentraciji naprezanja \u2014 geometrijskoj ili metalur\u0161koj zna\u010dajci u kojoj je lokalno naprezanje poja\u010dano znatno iznad nominalne razine:<\/p>\n<ul>\n<li><strong>Utori za klju\u010deve:<\/strong> o\u0161tri kutovi na krajevima klju\u010dnog kanala \u2014 naj\u010de\u0161\u0107e mjesto za po\u010detak.<\/li>\n<li><strong>Promjene promjera:<\/strong> ramena, koraci i prijelazi.<\/li>\n<li><strong>Navojni dijelovi:<\/strong> korijeni niti koji koncentriraju naprezanje.<\/li>\n<li><strong>Rupe i popre\u010dne bu\u0161otine:<\/strong> uljne kanale ili monta\u017ene rupe.<\/li>\n<li><strong>Rubovi za utiskivanje:<\/strong> Smetnje uzrokuju naprezanja koja ostaju i poti\u010du fretting.<\/li>\n<li><strong>Zavarivanja:<\/strong> zone zahva\u0107ene toplinom i korijeni zavara.<\/li>\n<li><strong>Korozijske udubine:<\/strong> povr\u0161inski nedostaci uzrokovani <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/corrosion\/\">korozija<\/a> koji djeluju kao gotovi pokreta\u010di pukotina.<\/li>\n<li><strong>Oznake obrade:<\/strong> tragovi alata, osobito kada su usmjereni okomito na glavno naprezanje.<\/li>\n<\/ul>\n<h3>Proces rasta pukotine<\/h3>\n<ol>\n<li><strong>Formiranje mikro pukotina:<\/strong> pokrenuto pri koncentraciji stresa, obi\u010dno ispod 1 mm.<\/li>\n<li><strong>Spora propagacija:<\/strong> Pukotina se postupno pove\u0107ava sa svakim ciklusom naprezanja \u2014 ova faza mo\u017ee potrajati godinama.<\/li>\n<li><strong>Ubrzanje:<\/strong> Kako pukotina raste, intenzitet naprezanja raste, a brzina rasta se ubrzava.<\/li>\n<li><strong>Detektabilna faza:<\/strong> Pri otprilike 10\u201330% kroz promjer postaje o\u010dita 2\u00d7 vibracija.<\/li>\n<li><strong>Kriti\u010dna veli\u010dina:<\/strong> Preostali ligament vi\u0161e ne mo\u017ee podnijeti optere\u0107enje.<\/li>\n<li><strong>Katastrofalni prijelom:<\/strong> iznenadni, potpuni kvar osovine.<\/li>\n<\/ol>\n<p>Pokreta\u010dka snaga u svakoj fazi je cikli\u010dna. <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fatigue\/\">umor<\/a>, pa sve \u0161to smanjuje cikli\u010dko savojno naprezanje \u2014 dobro uravnote\u017eenje, precizno poravnanje \u2014 izravno usporava rast pukotine.<\/p>\n<h2>3. Karakteristi\u010dni 2X vibracijski potpis<\/h2>\n<h3>Za\u0161to pukotine uzrokuju 2X vibracije<\/h3>\n<p>Mehanizam je takozvani <em>di\u0161u\u0107a pukotina<\/em>:<\/p>\n<ul>\n<li><strong>Pukotina zatvorena (kompresija):<\/strong> Kada se napukli dio okrene u kompresiju (donja to\u010dka rotacije za vodoravnu osovinu), ravnine pukotine se pribli\u017ee i krutost osovine je ve\u0107a.<\/li>\n<li><strong>Pukotina otvorena (vla\u010dno naprezanje):<\/strong> Kada pukotina dosegne naprezanje pri rotaciji (vrh rotacije), otvara se i krutost osovine je ni\u017ea.<\/li>\n<li><strong>Dvaput po rotaciji:<\/strong> krutost se stoga mijenja dvaput po okretu \u2014 jednom kada pukotina prolazi kroz gornju orijentaciju i jednom kroz donju.<\/li>\n<li><strong>2\u00d7 prisiljavanje:<\/strong> Ova varijacija krutosti pri dvostrukoj radnoj brzini stvara dvostruki vibracijski odgovor.<\/li>\n<li><strong>Rast amplitude:<\/strong> Kako se pukotina produbljuje, raste krutostna asimetrija i s njom raste i amplituda 2\u00d7.<\/li>\n<\/ul>\n<h3>Karakteristike vibracija<\/h3>\n<ul>\n<li><strong>Primarni pokazatelj:<\/strong> 2\u00d7 komponenta koja se pojavljuje i stalno raste tijekom vremena.<\/li>\n<li><strong>Promjene 1\u00d7:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/running-speed\/\">brzina tr\u010danja<\/a> Vibracija se tako\u0111er mo\u017ee pove\u0107ati jer pukotina uzrokuje preostali savij rotora.<\/li>\n<li><strong>Vi\u0161i harmonici:<\/strong> 3\u00d7 i 4\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/harmonics\/\">harmonici<\/a> mo\u017ee se pojaviti kad pukotina postane ozbiljna.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/phase\/\">Faza<\/a> pona\u0161anje:<\/strong> Kutovi faze se tijekom pokretanja i usporavanja mijenjaju druga\u010dije od \u010distog <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neravnote\u017ea<\/a> odgovor \u2014 klju\u010dni diskriminator.<\/li>\n<li><strong>Osjetljivost na temperaturu:<\/strong> Amplituda od 2\u00d7 mo\u017ee varirati ovisno o temperaturi osovine, \u0161to utje\u010de na to koliko se lako pukotina otvara.<\/li>\n<\/ul>\n<p>Vrijedi naglasiti da visoki 2\u00d7 sam po sebi ne dokazuje pukotinu \u2014 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/misalignment\/\">neuskla\u0111enost<\/a> i neke oblike <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/looseness\/\">labavost<\/a> tako\u0111er podi\u0107i 2\u00d7. Istaknute zna\u010dajke su postojane <em>rast<\/em> s vremenom i neuobi\u010dajeno fazno pona\u0161anje kroz rezonanciju, zbog \u010dega se koriste i trend testiranje i privremeno testiranje.<\/p>\n<h2>4. Otkrivanje i dijagnoza<\/h2>\n<h3>Pra\u0107enje vibracija<\/h3>\n<h4>Trend omjera 2X\/1X<\/h4>\n<p>Najprakti\u010dniji indikator na terenu je omjer amplitude 2\u00d7 i amplitude 1\u00d7, promatran tijekom vremena kroz <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/trending\/\">pra\u0107enje trendova<\/a>:<\/p>\n<ul>\n<li>Normalni strojevi: 2\u00d7\/1\u00d7 ispod otprilike 0,2\u20130,3.<\/li>\n<li>Sumnja na pukotinu: 2\u00d7\/1\u00d7 iznad 0,5 i u porastu.<\/li>\n<li>Potvr\u0111ena pukotina: 2\u00d7\/1\u00d7 pribli\u017eava se ili prelazi 1,0<\/li>\n<li>Hitno: 2\u00d7\/1\u00d7 iznad 2.0 \u2014 preporu\u010duje se trenuta\u010dno isklju\u010divanje.<\/li>\n<\/ul>\n<h4>Ispitivanje prolaznih stanja<\/h4>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bode-plot\/\">Bodeovi dijagrami<\/a> zabilje\u017eeno tijekom pokretanja i slobodnog zaustavljanja.<\/li>\n<li>Puknuti rotor pokazuje anomalno 2\u00d7 pona\u0161anje dok prolazi kroz rezonanciju.<\/li>\n<li>Dva vrha mogu se pojaviti pri polovici svake kriti\u010dne brzine. <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/critical-speed\/\">kriti\u010dna brzina<\/a>, jer 2\u00d7 prisiljavanje uzbu\u0111uje rezonanciju na pola uobi\u010dajene brzine.<\/li>\n<li>Fazne promjene se razlikuju od normalnog odziva na neravnote\u017eu<\/li>\n<\/ul>\n<h3>Nerazorna ispitivanja<\/h3>\n<p>Vibracija ti govori da pogleda\u0161; <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/non-destructive-testing\/\">nedestruktivno ispitivanje<\/a> potvr\u0111uje i mjeri pukotinu:<\/p>\n<ul>\n<li><strong>Magnetska \u010destica inspekcija (MPI):<\/strong> otkriva povr\u0161inske i blizinsko-povr\u0161inske pukotine.<\/li>\n<li><strong>Penetrant u boji:<\/strong> vizualna detekcija pukotina koje probijaju povr\u0161inu.<\/li>\n<li><strong>Ultrazvu\u010dno ispitivanje (UT):<\/strong> otkriva unutarnje pukotine i mjeri njihovu dubinu.<\/li>\n<li><strong>Vrtlo\u017ena struja:<\/strong> Detekcija povr\u0161inskih pukotina bez kontakta.<\/li>\n<li><strong>Radiografija:<\/strong> otkrivanje unutarnjih pukotina u kriti\u010dnim komponentama.<\/li>\n<\/ul>\n<h2>5. Hitni odgovor<\/h2>\n<h3>Po otkrivanju sumnje na pukotinu<\/h3>\n<ol>\n<li><strong>Poja\u010dajte nadzor:<\/strong> od mjese\u010dnog do dnevnog, ili kontinuiranog.<\/li>\n<li><strong>Smanjite ozbiljnost pogona:<\/strong> Smanjite brzinu ili optere\u0107enje gdje je to mogu\u0107e.<\/li>\n<li><strong>Planirajte hitnu inspekciju:<\/strong> Zaka\u017eite NDT pregled u najkra\u0107em mogu\u0107em roku.<\/li>\n<li><strong>Pripremite se za ga\u0161enje:<\/strong> Naru\u010dite zamjensko vratilo i isplanirajte postupak popravka.<\/li>\n<li><strong>Procjena rizika:<\/strong> procijeniti vrijeme do mogu\u0107eg otkaza na temelju opa\u017eene stope rasta.<\/li>\n<\/ol>\n<h3>Ako se pukotina potvrdi<\/h3>\n<ul>\n<li><strong>Odmah isklju\u010diti<\/strong> \u2014 osim ako formalna procjena rizika ne poka\u017ee da je nastavak rada siguran za definirano, ograni\u010deno razdoblje.<\/li>\n<li><strong>Ne ponovno pokretanje<\/strong> dok se vratilo ne zamijeni ili popravi.<\/li>\n<li><strong>Zamjena vratila<\/strong> je najpouzdanije rje\u0161enje.<\/li>\n<li><strong>Analiza korijenskog uzroka<\/strong> utvrditi za\u0161to se pukotina pojavila i sprije\u010diti njezino ponovno pojavljivanje.<\/li>\n<\/ul>\n<h2>6. Strategije prevencije<\/h2>\n<h3>Dizajn<\/h3>\n<ul>\n<li>Eliminirajte ili minimizirajte koncentracije stresa.<\/li>\n<li>Koristite velike radijuse reza fileta (korisno pravilo je R ve\u0107i od 0,1 \u00d7 promjer).<\/li>\n<li>Izbjegavajte klju\u010dne utore gdje je to mogu\u0107e; radije koristite interferencijska sjedi\u0161ta.<\/li>\n<li>Odredite odgovaraju\u0107i materijal i toplinsku obradu.<\/li>\n<li>Primijenite povr\u0161inske tretmane poput zrnatog taljenja ili nitriranja kako biste pobolj\u0161ali otpornost na zamor materijala.<\/li>\n<\/ul>\n<h3>Operacija<\/h3>\n<ul>\n<li>Odr\u017eavajte dobro <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">kvaliteta uravnote\u017eenja<\/a> za minimiziranje cikli\u010dkog savojnog naprezanja.<\/li>\n<li>Odr\u017eavajte precizno poravnanje <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/laser-shaft-alignment\/\">poravnanje osovine<\/a> za smanjenje savojnih momenata.<\/li>\n<li>Izbjegavajte kontinuirani rad pri kriti\u010dnim brzinama.<\/li>\n<li>Sprije\u010dite doga\u0111aje prebrze vo\u017enje.<\/li>\n<li>Kontrolirajte toplinski stres pravilnim zagrijavanjem i hla\u0111enjem.<\/li>\n<\/ul>\n<h3>Odr\u017eavanje<\/h3>\n<ul>\n<li>Rutinski nadzor vibracija s eksplicitnim 2\u00d7 trendiranjem.<\/li>\n<li>Periodi\u010dki NDT pregled \u2014 godi\u0161nje ili prema procjeni rizika.<\/li>\n<li>Sprije\u010dite koroziju kako biste izbjegli pukotine nastale iz korozijskih jami\u010daka.<\/li>\n<li>Dr\u017eite vibraciju niskom kako biste smanjili cikli\u010dki napon.<\/li>\n<\/ul>\n<p>Dobro uravnote\u017eenje ovdje zaslu\u017euje posebnu pa\u017enju, jer je to jedina preventivna mjera koju tim za odr\u017eavanje mo\u017ee primijeniti na terenu. Prijenosni dvo-kanalni analizator poput <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> mjeri 1\u00d7 amplitudu i fazu u vlastitim le\u017eajevima stroja i provodi jednoplanu ili dvoplanu korekciju pomo\u0107u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/trial-weight\/\">probna te\u017eina<\/a>, smanjuju\u0107i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/residual-unbalance\/\">preostala neravnote\u017ea<\/a> na ciljnu vrijednost prema ISO 21940-11. Ni\u017ee sile 1\u00d7 zna\u010de ni\u017ee cikli\u010dko savojno naprezanje na svakom utoru i ramenu \u2014 \u0161to izravno produljuje vijek trajanja od zamora koji bi pukotina ina\u010de tro\u0161ila. Isti je instrument neprocjenjiv za prikupljanje podataka o amplitudi i fazi pri pokretanju i slobodnom zaustavljanju, \u0161to razlikuje di\u0161u\u0107u pukotinu od obi\u010dne neuravnote\u017eenosti.<\/p>\n<p>Puknuti rotori predstavljaju jedan od najkriti\u010dnijih na\u010dina otkaza u rotiraju\u0107im strojevima. Kombinacija pra\u0107enja vibracija \u2014 otkrivanja karakteristi\u010dnog rasta 2\u00d7 potpisa \u2014 s periodi\u010dkim neuni\u0161tavaju\u0107im pregledima pru\u017ea klju\u010dnu za\u0161titu, omogu\u0107uju\u0107i otkrivanje prije katastrofalnog otkaza i planiranu zamjenu osovine koja sprje\u010dava opse\u017eno sekundarno o\u0161te\u0107enje i ozbiljne sigurnosne rizike.<\/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 napuknutim rotorima, zamornim lomovima u rotiraju\u0107im osovinama koji proizvode karakteristi\u010dne 2X vibracijske potpise koji zahtijevaju trenutno otkrivanje i isklju\u010divanje kako bi se sprije\u010dio katastrofalan kvar.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-89","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/89","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\/89\/revisions"}],"predecessor-version":[{"id":101379,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/89\/revisions\/101379"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=89"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}