{"id":215,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-bar-defects\/"},"modified":"2026-07-03T09:57:24","modified_gmt":"2026-07-03T09:57:24","slug":"rotor-bar-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/rotor-bar-defects\/","title":{"rendered":"\u0160to su defekti rotorske \u0161ipke? Slomljene \u0161ipke u motorima"},"content":{"rendered":"<h1>Razumijevanje nedostataka rotorske \u0161ipke<\/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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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\/215?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>Defekti rotorske \u0161ipke<\/strong> \u2014 tako\u0111er zvane slomljene ili pukotine u rotorskim \u0161ipkama \u2014 su frakture, pukotine ili spajanja visokog otpora u vodi\u010dkim \u0161ipkama rotor s kavezom <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/motor-defects\/\">motor<\/a> rotora. Rotor s kavezom je izgra\u0111en od aluminijskih ili bakrenih \u0161ipki ugra\u0111enih u utore laminiranog \u017eeljeznog jezgra, s oba kraja svake \u0161ipke spojenih parom kra\u0107ih prstena (krajnjih prstena). Kada se \u0161ipka prekine ili spoj krajnjeg prstena napukne, struja se vi\u0161e ne mo\u017ee \u010disto prenositi kroz o\u0161te\u0107eni vodi\u010d. Rezultat je elektromagnetska asimetrija, pulsiraju\u0107i moment i visoko prepoznatljiva <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration\/\">vibracija<\/a> i potpisima struje ozna\u010deni sa <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/sidebands\/\">bo\u010dni pojasevi<\/a> raspore\u0111ene na <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/pole-pass-frequency\/\">frekvencija prolaska polova<\/a> (broj polova \u00d7 frekvencija klizanja).<\/p>\n<p>Neispravnosti rotorskih \u0161ipki \u010dine procijenjenih 10\u201315% kvarova asinkronih motora. Opasne su upravo zato \u0161to su progresivne: pojedina\u010dno <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/broken-rotor-bars\/\">slomljena rotorska \u0161ipka<\/a> preoptere\u0107uje njegove susjede, a ono \u0161to po\u010dinje kao jedan pukao vodi\u010d mo\u017ee prerostu u vi\u0161e lomova, te\u0161ke pulzacije momenta i eventualno uni\u0161tavanje rotora ako se ne otkrije na vrijeme.<\/p>\n<h2>1. Vrste defekta rotorske \u0161ipke<\/h2>\n<p>Obitelj kvarova pokriva nekoliko razli\u010ditih mehanizama, od kojih svi naru\u0161avaju elektri\u010dnu simetriju rotora na sli\u010dne na\u010dine:<\/p>\n<ul>\n<li><strong>Slomljene rotorske \u0161ipke:<\/strong> Potpuni lom vodi\u010da \u0161ipke, obi\u010dno smje\u0161ten blizu kraju gdje se koncentriraju termi\u010dka i mehani\u010dka naprezanja. Lom se gotovo uvijek po\u010dinje kao pukotina zamora i nastavlja se do potpunog odvajanja.<\/li>\n<li><strong>Pukotine zavr\u0161nih prstena:<\/strong> Frakture u kratkim prstenima koji povezuju \u0161ipke, naj\u010de\u0161\u0107e na spoju \u0161ipke i prstena. Njihov elektri\u010dni u\u010dinak ogledala je slomljenu \u0161ipku. \u010ce\u0161\u0107e su u velikim strojevima, u motorima koji \u010desto kre\u0107u i na optere\u0107enjima s velikom inercijom.<\/li>\n<li><strong>Spojevi s visokim otporom:<\/strong> Lo\u0161a elektri\u010dna veza izme\u0111u \u0161ipke i zavr\u0161nog prstena uzrokovana proizvodnim gre\u0161kama, toplinskim cikliranjem ili korozijom. Simptomi su sli\u010dni slomljenom stanju \u0161ipke, ali su \u010desto isprekidani i stvaraju subtilnije potpise od \u010distog loma.<\/li>\n<li><strong>Poroznost rotora:<\/strong> Praznici pri lijevanju u aluminijumskim rotorima koji smanjuju efektivni presjek vodi\u010da. Poroznost je proizvodni defekt koji mo\u017ee biti neaktivan godinama prije nego \u0161to se razvije u pukotine i lomove.<\/li>\n<\/ul>\n<h2>2. Za\u0161to rotorske \u0161ipke padaju<\/h2>\n<p>Kvarovi \u0161ipki vo\u0111eni su kombinacijom toplinskih, mehani\u010dkih, proizvodnih i operativnih \u010dimbenika koji se me\u0111usobno poja\u010davaju tijekom vijeka trajanja motora.<\/p>\n<h3>Toplinsko naprezanje<\/h3>\n<p>Svaki ciklus pokretanja i zaustavljanja prolazi rotor kroz \u0161irenje i skupljanje. Budu\u0107i da se aluminium \u0161iri mnogo vi\u0161e nego okolni \u017eeljezo jezgra, ovo diferencijalno pove\u0107anje labavi \u0161ipke i umara spojeve. \u010cesta pokretanja pru\u017eaju ponavljane toplinske udare, a bilo koja lokalizirana visoka otpornost postaje vru\u0107i dio koji ubrzava o\u0161te\u0107enje.<\/p>\n<h3>Mehani\u010dka naprezanja<\/h3>\n<p>Vodi\u010dke \u0161ipke tako\u0111er podnose <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/centrifugal-force\/\">centrifugalna sila<\/a> (zna\u010dajno na strojevima visoke brzine), pulsacijske elektromagnetske sile tijekom normalnog rada i jaka struja pokretanja koja nanosi mehani\u010dki udar. Vanjska <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration-analysis\/\">vibracija<\/a> prenosit \u0107e se s pogonskog optere\u0107enja umara \u0161ipke dalje.<\/p>\n<h3>Proizvodni defekti i radni uvjeti<\/h3>\n<p>Poroznost pri lijevanju, slaba veza \u0161ipke i zavr\u0161nog prstena, uklju\u010dini materijala i neadekvatna toplinska obrada postavljaju sjeme kasnijeg kvarova. U slu\u017ebi, najgori prekr\u0161ajci su \u010desta pokretanja, optere\u0107enja s velikom inercijom s dugim vremenom ubrzanja, doga\u0111aji s zaklju\u010danim rotorom s njihovim ekstremnim strujama i jednofaznost \u2014 rad s jednom fazom opskrbe izgubljenom, \u0161to forsira asimetri\u010dan uzorak struje kroz kavez.<\/p>\n<h2>3. Vibracija i Signatura Struje<\/h2>\n<p>Dijagnosti\u010dki znak o\u0161te\u0107enja rotorske \u0161ipke je porodica bo\u010dnih vrpci grupirane oko brzine rada.<\/p>\n<ul>\n<li><strong>Sredi\u0161nji vrh:<\/strong> 1\u00d7 radna brzina (f<sub>r<\/sub>), normalna <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/running-speed\/\">brzina tr\u010danja<\/a> linija.<\/li>\n<li><strong>Bo\u010dni pojasevi:<\/strong> simetri\u010dni parovi pri f<sub>r<\/sub> \u00b1 F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 2F<sub>P<\/sub>, f<sub>r<\/sub> \u00b1 3F<sub>P<\/sub>, gdje je F<sub>P<\/sub> je frekvencija prolaska polova \u2014 broj polova \u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/slip-frequency\/\">frekvencija klizanja<\/a> (obi\u010dno nekoliko herca).<\/li>\n<li><strong>Uzorak:<\/strong> ravnomjerno razmaknute, simetri\u010dne bo\u010dne vrpce u razmacima frekvencije prolaska polova \u2014 sasvim druk\u010dije od bo\u010dnih vrpci kod <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-fault-frequencies\/\">kvarovi le\u017eaja<\/a>, koje su oko frekvencija kvarova.<\/li>\n<\/ul>\n<h3>Izra\u010dun frekvencije klizanja i frekvencije prolaska polova<\/h3>\n<p>Frekvencija klizanja je razlika izme\u0111u sinkrone i stvarne brzine, izra\u017eene u hercima: f<sub>s<\/sub> = (N<sub>sync<\/sub> \u2212 N<sub>stvarni<\/sub>) \/ 60, a razmak bo\u010dnih vrpci je frekvencija prolaska polova F<sub>P<\/sub> = broj polova \u00d7 f<sub>s<\/sub>. Uzmimo 4-polni motor od 60 Hz sa sinkronom brzinom od 1800 o\/min koji pod optere\u0107enjem radi na 1750 o\/min. Tada f<sub>s<\/sub> = (1800 \u2212 1750) \/ 60 = 0,833 Hz, F<sub>P<\/sub> = 4 \u00d7 0.833 = 3.33 Hz, a linija radne brzine nalazi se na 29.17 Hz. Bo\u010dne trake stoga se pojavljuju na 29.17 \u00b1 3.33 Hz \u2014 odnosno na 25.8 Hz i 32.5 Hz. <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/harmonic-frequency-calculator\/\">kalkulator harmonijske frekvencije<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/motor-slip-calculator\/\">kalkulator klizanja motora<\/a> \u010dini tu konverziju bezbolnom kada postavljate mjerenje na radnoj povr\u0161ini.<\/p>\n<h3>Ovisnost o optere\u0107enju<\/h3>\n<p>Budu\u0107i da klizanje \u2014 a zato i struja koja te\u010de kroz slomljene \u0161ipke \u2014 raste sa optere\u0107enjem, bo\u010dne vrpce su osjetljive na optere\u0107enje. Pri neoptere\u0107enom stanju su minimalne; pri laganom optere\u0107enju po\u010dinju se pojavljivati; a pri punom optere\u0107enju su najja\u010de i najdiagnos\u00adticira\u00adnije. Prakti\u010dno pravilo je jednostavno: uvijek testirao sumnjivi motor pod normalnim radnim optere\u0107enjem za najbolju osjetljivost.<\/p>\n<h3>Signatura struje (MCSA)<\/h3>\n<p>Analiza Signature Struje Motora (Motor Current Signature Analysis) otkriva istu fiziku u elektri\u010dnoj domeni. Ovdje se bo\u010dne vrpce grupiraju oko <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/electrical-frequency\/\">frekvencija mre\u017ee<\/a> umjesto brzine rada, i pojavljuju se pri f<sub>linija<\/sub> \u00b1 2\u00b7s\u00b7f<sub>linija<\/sub>, gdje je s klizanje po jedinici \u2014 isti \u00b1F<sub>P<\/sub> razmak kao kod vibracija, budu\u0107i da 2\u00b7s\u00b7f<sub>linija<\/sub> = F<sub>P<\/sub>. Za gornji 4-polni motor od 60 Hz (s = 50\/1800 \u2248 2.8%), to postavlja bo\u010dne vrpce na 56.7 Hz i 63.3 Hz. Njihova amplituda raste s brojem slomljenih \u0161ipki, a u nekim slu\u010dajevima MCSA otkriva kvar ranije nego vibracije. Ista fizika povezana s klizanjem stoji i iza povezanog <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/pole-pass-frequency\/\">frekvencija prolaska polova<\/a> upotrijebljen u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/electrical-faults\/\">elektri\u010dni kvar<\/a> dijagnoza.<\/p>\n<h2>4. Detekcija, Dijagnostika i Mjerenje Na Mjestu<\/h2>\n<p>Razlu\u010divanje bo\u010dnih vrpci udaljenih samo nekoliko herca od dominantnog vrha radne brzine zahtijeva finu frekvencijsku rezoluciju. Disciplinski postupak izgleda ovako:<\/p>\n<ol>\n<li><strong>Izra\u010dunajte o\u010dekivani uzorak:<\/strong> odredite sinkronu brzinu iz broja polova i frekvencije mre\u017ee, izmjerite stvarnu radnu brzinu i izra\u010dunajte frekvenciju klizanja i frekvenciju prolaska polova.<\/li>\n<li><strong>Prikupite spektar visoke rezolucije:<\/strong> koristite finu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fft\/\">FFT<\/a> rezolucija (bolja od oko 0,2 Hz) tako da se blisko razmaknate bo\u010dne vrpce jasno odvoje od 1\u00d7 linije. A <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/fft-resolution-calculator\/\">Kalkulator rezolucije FFT-a<\/a> poma\u017ee vam odabrati pravi raspon i broj linija.<\/li>\n<li><strong>Potra\u017eite bo\u010dne vrpce:<\/strong> tra\u017eite simetri\u010dne vrhove na 1\u00d7 \u00b1 frekvencija prolaska polova i njezinim vi\u0161ekratnicima.<\/li>\n<li><strong>Testirajte pod optere\u0107enjem:<\/strong> prikupite podatke s motorom koji nosi svoje normalno radnog optere\u0107enja.<\/li>\n<li><strong>Potvrdite uzorak:<\/strong> provjerite jesu li bo\u010dne vrpce simetri\u010dne i pravilno razmaknate prije nego \u0161to objavite dijagnozu.<\/li>\n<\/ol>\n<p>Hvatanje spektra visoke rezolucije ovog tipa to\u010dno je posao za koji je prikladan prenosivi dvokanalski instrument kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> za to je namijenjen. Rade\u0107i u vlastitim le\u017eajevima motora pri radnoj brzini, on izravno bilje\u017ei liniju radne brzine i njezine bo\u010dne vrpce frekvencije prolaska polova na stroju u radu, tako da mo\u017eete potvrditi dijagnozu slomljene \u0161ipke na terenu bez rastavljanja, a zatim pratiti njezinu ozbiljnost tijekom vremena.<\/p>\n<h3>Procjena ozbiljnosti<\/h3>\n<p>\u0160iroko kori\u0161ten prakti\u010dni pristup rangira te\u017einu prema visini bo\u010dnih vrpci u odnosu na vrh 1\u00d7:<\/p>\n<ul>\n<li><strong>Bo\u010dna vrpca ispod 40% od 1\u00d7:<\/strong> mogu\u0107a je jednom pukotina ili slomljena \u0161ipka \u2014 nastavite s nadzorom.<\/li>\n<li><strong>40\u201360% od 1\u00d7:<\/strong> potvr\u0111ena slomljena \u0161ipka (ili \u0161ipke) \u2014 planirajte zamjenu.<\/li>\n<li><strong>Iznad 60% od 1\u00d7:<\/strong> vi\u0161e slomljenih \u0161ipki \u2014 zamjena je hitna.<\/li>\n<li><strong>Bo\u010dne vrpce vi\u0161e od vrha 1\u00d7:<\/strong> te\u0161ko stanje koje zahtijeva hitne mjere.<\/li>\n<\/ul>\n<h2>5. Posljedice i napredovanje<\/h2>\n<p>Ako se ostavi nerije\u0161ena, jedina gre\u0161ka se rijetko zadr\u017eava pojedina\u010dnom. \u0160teta se razvija kroz prepoznatljive faze:<\/p>\n<ul>\n<li><strong>Inicijalna gre\u0161ka (jedna \u0161ipka):<\/strong> blaga pulzacija momenta, male pojavne bo\u010dne frekvencije i minimalna gubitak performansi. Motor mo\u017ee raditi mjesecima u tom stanju.<\/li>\n<li><strong>Progresivne gre\u0161ke (vi\u0161e \u0161ipki):<\/strong> struja koja je trebala pro\u0107i kroz slomljenu \u0161ipku skre\u0107e se prema njezinim susjedima, pregrijevaju\u0107i ih; toplinski stress zatim lomi i te \u0161ipke. Pulzacije momenta i vibracija rastu, a stroj se mo\u017ee detaljno detaljiti od jedne do nekoliko slomljenih \u0161ipki tijekom tjedana.<\/li>\n<li><strong>Te\u0161ko stanje:<\/strong> nekoliko susjednih slomljenih \u0161ipki proizvode jaku pulzaciju momenta, visoku vibraciju i buku, te pregrijavanje rotora. Zavr\u0161ni dio je potpuni lom rotora, s pravom opasnosti od bo\u010dne \u0161tete <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/stator-defects\/\">stator<\/a> zbog pretjerane cirkuliraju\u0107e struje.<\/li>\n<\/ul>\n<h2>6. Korektivne mjere i prevencija<\/h2>\n<p>Kad je gre\u0161ka potvr\u0111ena, odgovor je upravljati njom namjerno umjesto \u010dekati gre\u0161ke:<\/p>\n<ul>\n<li><strong>Pri otkrivanju:<\/strong> postaviti interval pra\u0107enja (mjese\u010dno na tjedno), potvrditi dijagnozu s MCSA, planirati zamjenu motora ili rotora, pripremiti rezervni dio za kriti\u010dne zadatke, i istra\u017eiti za\u0161to se \u0161ipke slomile na mjestu.<\/li>\n<li><strong>Opcije popravke:<\/strong> zamjena rotora je najsigurnija ispravka za velike strojeve; zamjena cijelog motora je \u010desto najjednostavnija ruta za male; specijalizirane radionice mogu ponovno odliti aluminijske rotore; a jedna slomljena \u0161ipka mo\u017ee dozvoliti ograni\u010denu kontinuiranu operaciju pod bliskom nadzoru.<\/li>\n<li><strong>Prevencija:<\/strong> minimalizirati \u010deste pokretanja s mekim pokreta\u010dima ili pogonima varijabilne frekvencije, eliminirati jednofaznu, osigurati odgovaraju\u0107u ventilaciju i hla\u0111enje, specifikacija motora nominalni za stvarni ciklus rada, i oslanjati se na rano otkrivanje kako bi se djelovalo prije nego \u0161to se gre\u0161ka umno\u017eava.<\/li>\n<\/ul>\n<p>Kvarovi \u0161ipki rotora me\u0111u dijagnosti\u010dki su najprepoznatljivijim kvarovima motora: njihove karakteristi\u010dne bo\u010dne vrpce frekvencije prolaska polova omogu\u0107uju pouzdano otkrivanje i putem <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration-diagnostics\/\">dijagnostika vibracija<\/a> i analiza struje. Hvatanje ranog pretvara potencijalni katastrofalni lom rotora i produljeno neplansko ru\u0161enje u planirani, upravljivi popravak.<\/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 nedostacima rotorskih \u0161ipki u motorima s kaveznim rotorom, uklju\u010duju\u0107i slomljene \u0161ipke i napukle krajnje prstenove, koji se mogu otkriti putem bo\u010dnih pojaseva frekvencije klizanja u analizi vibracija i struje.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-215","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/215","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":2,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/215\/revisions"}],"predecessor-version":[{"id":102163,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/215\/revisions\/102163"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=215"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}