{"id":160,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/magnetic-pull\/"},"modified":"2026-07-03T09:54:32","modified_gmt":"2026-07-03T09:54:32","slug":"magnetic-pull","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/magnetic-pull\/","title":{"rendered":"\u0160to je magnetska sila? Neuravnote\u017eena magnetska sila u motorima"},"content":{"rendered":"<h1>Razumijevanje magnetskog privla\u010denja u elektromotorima<\/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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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\/160?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>Magnetsko privla\u010denje<\/strong> \u2014 tako\u0111er poznata kao neuravnote\u017eeno magnetsko privla\u010denje, ili UMP \u2014 neto radialna elektromagnetska sila koja se razvija u elektromotorama i generatorima kada <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/air-gap\/\">zra\u010dni razmak<\/a> izme\u0111u rotora i statora nije ujedna\u010dena. Kada rotor sjedi s oslonca u usjeku statora, zazor se su\u017eava s jedne strane i \u0161iri s druge. Budu\u0107i da magnetska privla\u010dnost varira obrnuto s kvadratom zazora, sila na strani s u\u017eim zazorom je daleko ja\u010da, stvaraju\u0107i neto privla\u010denje koje vu\u010de rotor prema toj strani. Rezultat je sprezanje izme\u0111u mehani\u010dke <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/eccentricity\/\">ekscentri\u010dnost<\/a> i elektromagnetske sile koja, ako ostane nekontrolirana, mo\u017ee se sama hraniti.<\/p>\n<p>Magnetsko povla\u010denje obi\u010dno stvara <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration\/\">vibracija<\/a> na frekvencijama povezanim s mre\u017eom \u2014 naj\u010de\u0161\u0107e na dvostrukoj frekvenciji mre\u017ee (120 Hz pri napajanju od 60 Hz, 100 Hz pri napajanju od 50 Hz) kada je ekscentri\u010dnost stati\u010dna \u2014 mo\u017ee znatno otkloniti rotor i ubrzava <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-wear\/\">istro\u0161enost le\u017eaja<\/a>, i u ozbiljnim slu\u010dajevima zavr\u0161ava katastrofalnim kontaktom rotor-stator. Razumijevanje toga je centralno za dijagnozu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/motor-defects\/\">kvarovi motora<\/a> ispravno.<\/p>\n<h2>1. Fizi\u010dki mehanizam<\/h2>\n<h3>Ujedna\u010den zrazdor (normalno stanje)<\/h3>\n<ul>\n<li>Rotor centriran u statoru.<\/li>\n<li>Zrazdor jednolik oko cijelog opsega (obi\u010dno 0,3\u20131,5 mm).<\/li>\n<li>Magnetske sile na suprotnim stranama uravnote\u017euju se i poni\u0161tavaju.<\/li>\n<li>Neto radijalna sila \u2248 nula.<\/li>\n<li>Minimalna elektromagnetska vibracija.<\/li>\n<\/ul>\n<h3>Ekscentri\u010dni zrazdor (UMP stanje)<\/h3>\n<p>Kada rotor radi decentraliziran:<\/p>\n<ol>\n<li><strong>Asimetrija zra\u010dnosti:<\/strong> jedna strana se su\u017eava (npr. 0,5 mm) dok se suprotna strana \u0161iri (npr. 1,0 mm).<\/li>\n<li><strong>Zakon kvadrata udaljenosti:<\/strong> magnetska sila \u221d 1\/zrazdor\u00b2, pa je sila na uskoj strani znatno ve\u0107a.<\/li>\n<li><strong>Neto sila:<\/strong> neuravnote\u017eene sile vi\u0161e se ne poni\u0161tavaju, ostavljaju\u0107i neto privla\u010dnu silu prema strani s najmanjim zrazdorom.<\/li>\n<li><strong>Magnituda:<\/strong> mo\u017ee dosegnuti stotine do tisu\u0107e funti \u010dak i u motorima umjerene veli\u010dine.<\/li>\n<li><strong>Smjer:<\/strong> uvijek prema strani s najmanjim zrazdorom.<\/li>\n<\/ol>\n<h3>Za\u0161to dvostruka mre\u017ena frekvencija?<\/h3>\n<p>Jaka komponenta na 2\u00d7 frekvenciji mre\u017ee klasi\u010dna je signatura UMP-a uzrokovanog fiksnom (stati\u010dkom) ekscentri\u010dno\u0161\u0107u:<\/p>\n<ul>\n<li>Uravnote\u017eeno trofazno napajanje proizvodi rotiraju\u0107e magnetsko polje prakti\u010dno konstantne magnitude \u2014 samo polje ne pulsira jednostavno.<\/li>\n<li>Me\u0111utim, radijalna magnetska (Maxwellova) sila u bilo kojoj fiksnoj to\u010dki statora proporcionalna je kvadratu lokalne gusto\u0107e toka (B\u00b2); budu\u0107i da gusto\u0107a toka u toj to\u010dki alternira na linijskoj frekvenciji, lokalna radijalna sila pulsira na 2\u00d7 linijskoj frekvenciji.<\/li>\n<li>Kod jednolikog raspora te pulsacije sile simetri\u010dne su oko provrta i uglavnom se poni\u0161tavaju; stati\u010dka ekscentri\u010dnost naru\u0161ava simetriju, ostavljaju\u0107i neto pulsiraju\u0107u silu \u2014 i vibraciju \u2014 na 2\u00d7f.<\/li>\n<li>motor od 60 Hz \u2192 vibracija od 120 Hz; motor od 50 Hz \u2192 vibracija od 100 Hz.<\/li>\n<li>Dinami\u010dka ekscentri\u010dnost (uski raspor koji rotira s vratilom) pona\u0161a se druk\u010dije: pojavljuje se uglavnom na 1\u00d7 radne brzine s <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/pole-pass-frequency\/\">frekvencija prolaska polova<\/a> bo\u010dnim vrpcama umjesto kao \u010dist vrh na 2\u00d7f.<\/li>\n<\/ul>\n<p>Nijedan pojedina\u010dni vrh sam po sebi nije dokaz. Magnetsko zasi\u0107enje, utori statora i neuravnote\u017eenost napona napajanja tako\u0111er mogu pove\u0107ati komponente povezane s mre\u017eom, pa povi\u0161eni vrh na 2\u00d7f treba potvrditi provjerama struje, optere\u0107enja\/praznog hoda i zra\u010dnog raspora prije nego \u0161to se proglasi UMP.<\/p>\n<p>To \u010dvrsto postavlja UMP u obitelj <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/electrical-faults\/\">elektri\u010dni kvarovi<\/a>, razlikovanu od \u010disto mehani\u010dkih izvora \u010dak i kad simptom \u2014 sna\u017ean pik 2\u00d7 \u2014 na prvi pogled izgleda sli\u010dan.<\/p>\n<h2>2. Uzroci neuravnote\u017eenoga magnetskog privla\u010denja<\/h2>\n<h3>Habanje le\u017eaja<\/h3>\n<ul>\n<li>Naj\u010de\u0161\u0107i uzrok razvoja UMP-a.<\/li>\n<li>Zra\u010dnost u le\u017eajima dozvoljava rotoru da se vrti izvan sredi\u0161ta.<\/li>\n<li>Gravitacija pritiska rotor prema dolje, smanjuju\u0107i donji zra\u010dni raspor.<\/li>\n<li>UMP tada vu\u010de rotor dalje od sredi\u0161ta.<\/li>\n<li>Pozitivna povratna veza: UMP ubrzava upravo tro\u0161enje le\u017eaja koje ga je uzrokovalo.<\/li>\n<\/ul>\n<h3>Proizvodne tolerancije<\/h3>\n<ul>\n<li><strong>Ekscentri\u010dnost rotora:<\/strong> rotor nije savr\u0161eno okrugao, ili nije centiran na svojoj osovini.<\/li>\n<li><strong>Ekscentri\u010dnost statora:<\/strong> provrt nije koncentri\u0107an s povr\u0161inama pri\u010dvr\u0161\u0107ivanja.<\/li>\n<li><strong>Gre\u0161ke u sklopu:<\/strong> steznici su pogre\u0161no poravnati, ili je rotor isko\u0161en tijekom monta\u017ee.<\/li>\n<li><strong>Nakupljanje tolerancija:<\/strong> nakupljanje malih gre\u0161aka koje se zbrajaju u mjerljivu ekscentri\u010dnost.<\/li>\n<\/ul>\n<h3>Uzroci tijekom rada<\/h3>\n<ul>\n<li><strong>Toplinsko \u0161irenje:<\/strong> diferencijalna toplinska ekspanzija poremeti uniformnost zra\u010dnog raspora.<\/li>\n<li><strong>Distorzija ku\u0107i\u0161ta:<\/strong> <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/soft-foot\/\">meko stopalo<\/a> ili naprezanje pri monta\u017ei deformira okvir.<\/li>\n<li><strong>Deformacija osovine:<\/strong> optere\u0107enje ili sile spoja savijaju osovinu.<\/li>\n<li><strong>Problemi s temeljima:<\/strong> slijeganje ili deteroiracija pomicanja pozicije motora.<\/li>\n<\/ul>\n<h2>3. Efekti i posledice<\/h2>\n<h3>Izravni u\u010dinci<\/h3>\n<ul>\n<li><strong>Radijalna sila na rotoru:<\/strong> kontinuiti potisak prema jednoj strani.<\/li>\n<li><strong>Preoptere\u0107enje le\u017eaja:<\/strong> jedan le\u017eaj nosi dodatno magnetsko optere\u0107enje.<\/li>\n<li><strong>Vibracija pri 2\u00d7f:<\/strong> povi\u0161ena elektromagnetska komponenta.<\/li>\n<li><strong>Deformacija osovine:<\/strong> magnetska sila savija osovinu, pogor\u0161avaju\u0107i ekscentri\u010dnost.<\/li>\n<\/ul>\n<h3>Mehanizam progresivnog kvarenja<\/h3>\n<p>UMP mo\u017ee pokrenuti samo-poja\u010davaju\u0107i ciklus kvarenja:<\/p>\n<ol>\n<li>Inicijalna ekscentri\u010dnost (od tro\u0161enja le\u017eaja ili proizvodnje).<\/li>\n<li>Magnetski potisak razvija se prema strani manjeg razmaka.<\/li>\n<li>Sila otklanja rotor dalje, dodatno su\u017eavaju\u0107i razmak.<\/li>\n<li>Manji razmak proizvodi ja\u010di potisak.<\/li>\n<li>Tro\u0161enje le\u017eaja ubrzava se na optere\u0107enoj strani.<\/li>\n<li>Ekscentri\u010dnost i potisak nastavljaju se pove\u0107avati.<\/li>\n<li>Eventualni kontakt rotora i statora i katastrofalan kvar<\/li>\n<\/ol>\n<h3>Sekundarna o\u0161te\u0107enja<\/h3>\n<ul>\n<li>Ubrzano lomljenje le\u017eaja zbog asimetri\u010dnog optere\u0107enja<\/li>\n<li>Mogu\u0107e <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor-rub\/\">trenja rotora i statora<\/a> o\u0161te\u0107uju\u0107i obje komponente.<\/li>\n<li>Savijanje osovine ili trajno <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/shaft-bow\/\">savijanje osovine<\/a>.<\/li>\n<li>O\u0161te\u0107enje namota statora od udaraca rotora.<\/li>\n<li>Gubitak u\u010dinkovitosti od neoptimalnog razmaka zraka.<\/li>\n<\/ul>\n<h2>4. Otkrivanje i dijagnoza<\/h2>\n<h3>Signatura vibracija<\/h3>\n<ul>\n<li><strong>Primarni pokazatelj:<\/strong> povi\u0161ena frekvencija 2\u00d7 mre\u017ee (120 Hz ili 100 Hz).<\/li>\n<li><strong>Tipi\u010dan obrazac:<\/strong> amplituda 2\u00d7f prelazi 30\u201350% od 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/running-speed\/\">brzina tr\u010danja<\/a> vibracija.<\/li>\n<li><strong>Potvrda:<\/strong> komponenta 2\u00d7f nije proporcionalna mehani\u010dkoj nebalansi.<\/li>\n<li><strong>Nezavisnost od optere\u0107enja:<\/strong> amplituda 2\u00d7f ostaje relativno konstantna s optere\u0107enjem, za razliku od mehani\u010dkih izvora.<\/li>\n<\/ul>\n<p>\u010citanje tih vr\u0161nih vrijednosti prvo zahtijeva preciznu frekvencijsku os. Jasna <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/spectrum\/\">spektar<\/a>, razrije\u0161ena s <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fft\/\">FFT<\/a> i sidrena na brzinu vrtnje, je ono \u0161to vam omogu\u0107uje odvajanje 2\u00d7 <em>linija<\/em>-frekvencijskog vrha od 2\u00d7 <em>rad<\/em>-brzinskog vrha \u2014 najjednostavnije, ali va\u017eno razlikovanje u toj dijagnozi.<\/p>\n<h3>Razlikovanje UMP od ostalih 2\u00d7 izvora<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Izvor<\/th>\n<th>Karakteristike<\/th>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/misalignment\/\">Neuskla\u0111enost<\/a><\/td>\n<td>2\u00d7 brzina rada (ne 2\u00d7 mre\u017ena frekvencija); visoke aksijalne vibracije<\/td>\n<\/tr>\n<tr>\n<td>Magnetsko privla\u010denje<\/td>\n<td>2\u00d7 linijska frekvencija (120\/100 Hz); elektromagnetsko podrijetlo<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/stator-defects\/\">Kvarovi statora<\/a><\/td>\n<td>2\u00d7 mre\u017ena frekvencija; prisutna je neravnote\u017ea struje<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/frame-resonance\/\">Rezonancija okvira<\/a><\/td>\n<td>2\u00d7 frekvencija mre\u017ee; vibracija okvira zna\u010dajno nadma\u0161uje vibraciju le\u017eaja<\/td>\n<\/tr>\n<\/table>\n<h3>Dodatni dijagnosti\u010dki testovi<\/h3>\n<h4>Mjerenje zra\u010dnog raspora<\/h4>\n<ul>\n<li>Izmjerite rasporedbe na nekoliko to\u010daka oko obujma (potrebno raziranje motora).<\/li>\n<li>Ekscentri\u010dnost ve\u0107a od 10 % prosje\u010dnog raspora ukazuje na problem.<\/li>\n<li>Dokumentirajte minimalnu i maksimalnu vrijednost raspora.<\/li>\n<\/ul>\n<h4>Analiza struje<\/h4>\n<ul>\n<li>Provjerite ravnote\u017eu faznih struja.<\/li>\n<li>Neravnote\u017ea struje mo\u017ee biti popra\u0107ena s UMP.<\/li>\n<li>Spektar struje pokazuje komponentu s 2\u00d7 frekvencijom mre\u017ee.<\/li>\n<\/ul>\n<h4>Test bez optere\u0107enja<\/h4>\n<ul>\n<li>Pokrenite motor bez sprege pri praznom hodu.<\/li>\n<li>Ako vibracija frekvencije 2\u00d7f ostane visoka, izvor je elektromagnetski (UMP ili kvara statora).<\/li>\n<li>Ako se naglo smanji, izvor je mehani\u010dka neuskla\u0111enost.<\/li>\n<\/ul>\n<p>Ovaj test pri praznom hodu je odlu\u010duju\u0107a kontrola na mjestu: jasno odvaja elektromagnetski uzrok od mehani\u010dkog i trebao bi se provesti prije bilo kakvog invazivnog razaranja. A <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/motor-electrical-frequencies\/\">kalkulator frekvencije \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e defekta motora<\/a> poma\u017ee potvrdi to\u010dno gdje bi 2\u00d7f i srodne komponente trebale padati za danu frekvenciju i broj polova.<\/p>\n<h2>5. Kvantificiranje sile magnetskog povla\u010denja<\/h2>\n<h3>Pribli\u017eni odnos<\/h3>\n<p>Silu UMP-a mo\u017ee se procijeniti iz jednostavne proporcionalnosti:<\/p>\n<blockquote><p><strong>F \u221d (ekscentri\u010dnost \/ zazor) \u00d7 snaga motora.<\/strong> Sila raste otprilike linearno s ekscentri\u010dnostima, strmije je s smanjenjem zazora, a skalira se s veli\u010dinom motora.<\/p><\/blockquote>\n<h3>Tipi\u010dne veli\u010dine<\/h3>\n<ul>\n<li><strong>Motor od 10 KS, ekscentricitet 10%:<\/strong> ~50\u2013100 lbf.<\/li>\n<li><strong>Motor od 100 KS, ekscentricitet 20%:<\/strong> ~500\u20131.000 lbf.<\/li>\n<li><strong>Motor od 1000 KS, ekscentricitet 30%:<\/strong> ~5.000\u201310.000 lbf.<\/li>\n<li><strong>Utjecaj:<\/strong> sile ovoga reda veli\u010dine jako optere\u0107uju le\u017eajeve i mogu vidljivo savinuti vratila.<\/li>\n<\/ul>\n<h2>6. Metode korekcije<\/h2>\n<h3>Za ekscentri\u010dnost uzrokovanu le\u017eajem<\/h3>\n<ul>\n<li>Zamijenite istro\u0161ene le\u017eajeve kako biste vratili pravilno centriranje rotora<\/li>\n<li>Koristite le\u017eajeve s u\u017eom tolerancijom ako se ekscentri\u010dnost ponovi.<\/li>\n<li>Provjerite je li odabir le\u017eaja primjeren za optere\u0107enja motora, uklju\u010duju\u0107i UMP.<\/li>\n<li>Provjerite prileganje le\u017eaja na vratilo i u krajnjim poklopcima.<\/li>\n<\/ul>\n<h3>Za proizvodnu ekscentri\u010dnost<\/h3>\n<ul>\n<li><strong>Malo (&lt; 10%):<\/strong> prihvatite i pratite ako je vibracija prihvatljiva.<\/li>\n<li><strong>Umjereno (10\u201325%):<\/strong> razmotriti preure\u0111enje statora ili obradu rotora.<\/li>\n<li><strong>Te\u0161ko (&gt; 25%):<\/strong> zamjena motora ili ve\u0107i remont.<\/li>\n<li><strong>Jamstvo:<\/strong> Ekscentri\u010dnost proizvodnje mo\u017ee biti predmet jamstvenog zahtjeva za nove motore<\/li>\n<\/ul>\n<h3>Za probleme pri monta\u017ei i instalaciji<\/h3>\n<ul>\n<li>Provjerite poravnanje krajnjeg ku\u0107i\u0161ta i moment vijaka.<\/li>\n<li>Ispravite svaki <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/soft-foot\/\">soft-foot (neravnomjerno naleganje ku\u0107i\u0161ta)<\/a> stanje.<\/li>\n<li>Osigurajte da okvir nije iskrivljen naprezanjem pri monta\u017ei.<\/li>\n<li>Provjerite naprezanje cijevi ili sile spojnice koje izvla\u010de motor iz polo\u017eaja<\/li>\n<\/ul>\n<h2>7. Strategije prevencije<\/h2>\n<h3>Projektiranje i odabir<\/h3>\n<ul>\n<li>Navedite tjesan tolerancije zra\u010dnog raspora za kriti\u010dne primjene.<\/li>\n<li>Odaberite kvalitetne motore od pouzdanih proizvo\u0111a\u010da.<\/li>\n<li>Ve\u0107i zra\u010dni rasprori smanjuju veli\u010dinu neuravnote\u017ee (uz odre\u0111eni tro\u0161ak u u\u010dinkovitosti).<\/li>\n<li>Razmotrite dizajn magnetskih le\u017eajeva za ekstremne primjene<\/li>\n<\/ul>\n<h3>Monta\u017ea<\/h3>\n<ul>\n<li>Pa\u017eljivo poravnajte tijekom instalacije.<\/li>\n<li>Uklonite mekinju n\u00f3gu prije zavr\u0161ne monta\u017ee.<\/li>\n<li>Provjerite aksijalnu poziciju i pomak rotora.<\/li>\n<li>Osigurajte da su krajnja ku\u0107i\u0161ta pravilno poravnana i pritegnuta.<\/li>\n<\/ul>\n<h3>Odr\u017eavanje<\/h3>\n<ul>\n<li>Zamijeni le\u017eajeve prije nego \u0161to tro\u0161enje postane prete\u0161ko.<\/li>\n<li>Pratite trend vibracije na dvostrukoj frekvenciji mre\u017ee tijekom vremena.<\/li>\n<li>Potvrdi <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">uravnote\u017eenost<\/a> i pode\u0161avanja wyr\u00f3wna\u0144 redovito.<\/li>\n<li>Odr\u017eavajte motor \u010distim kako bi se sprije\u010dilo blokiranje hla\u0111enja i toplotne distorzije koju oni uzrokuju.<\/li>\n<\/ul>\n<h2>8. Posebna razmatranja<\/h2>\n<h3>Veliki motori<\/h3>\n<ul>\n<li>UMP sile mogu biti ogromne \u2014 tonelaze sile.<\/li>\n<li>Izbor le\u017eaja mora uzeti u obzir UMP optere\u0107enja.<\/li>\n<li>Prora\u010duni defleksije vratila trebali bi uklju\u010diti UMP.<\/li>\n<li>Pra\u0107enje zra\u010dnog razmaka mo\u017ee biti ugra\u0111eno u velike kriti\u010dne motore.<\/li>\n<\/ul>\n<h3>Motori visokih brzina<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/centrifugal-force\/\">Centrifugalne sile<\/a> kombiniraju se s UMP.<\/li>\n<li>Potencijal za nestabilnost ako je UMP prevelik.<\/li>\n<li>Zategnute tolerancije zra\u010dnog razmaka su kriti\u010dne.<\/li>\n<\/ul>\n<h3>Vertikalni motori<\/h3>\n<ul>\n<li>Gravitacija ne centrira rotor kao \u0161to je to slu\u010daj kod vodoravnih motora.<\/li>\n<li>UMP mo\u017ee povu\u0107i rotor prema bilo koju stranu.<\/li>\n<li>The <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/thrust-bearing\/\">aksijalni le\u017eaj<\/a> mora nositi te\u017einu rotora plus bilo koju aksijalnu komponentu UMP.<\/li>\n<\/ul>\n<h2>9. Odnos prema ostalim problemima motora<\/h2>\n<h3>UMP i ekscentri\u010dnost rotora<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor-eccentricity\/\">Ekscentri\u010dnost<\/a> uzrokuje UMP.<\/li>\n<li>UMP mo\u017ee pogor\u0161ati ekscentri\u010dnost (pozitivna povratna sprega).<\/li>\n<li>Oboje stvara vibracije, ali na razli\u010ditim frekvencijama (1\u00d7 naspram 2\u00d7f).<\/li>\n<\/ul>\n<h3>UMP i kvarovi statora<\/h3>\n<ul>\n<li>Oba proizvode vibraciju 2\u00d7 frekvencije linije.<\/li>\n<li>Gre\u0161ke statora dodatno pokazuju neuravnote\u017eenost struje.<\/li>\n<li>UMP nastaje od ekscentri\u010dnosti bez neuravnote\u017eenosti struje.<\/li>\n<li>Oboje mogu biti prisutne \u2014 gre\u0161ka statora i ekscentri\u010dnost zajedno.<\/li>\n<\/ul>\n<h3>UMP i vijek trajanja le\u017eaja<\/h3>\n<ul>\n<li>UMP se dodaje radijalnim optere\u0107enjima le\u017eaja.<\/li>\n<li>Skra\u0107uje vijek trajanja le\u017eaja (vijek \u221d 1\/optere\u0107enje\u00b3).<\/li>\n<li>Proizvodi asimetri\u010dko tro\u0161enje le\u017eaja.<\/li>\n<li>Jedan le\u017eaj mo\u017ee otkazati preuranjeno dok drugi ostaje prihvatljiv.<\/li>\n<\/ul>\n<h2>10. Kombiniranje na terenu<\/h2>\n<p>Magnetska sila privla\u010denja va\u017ena je sprega izme\u0111u mehani\u010dkog i elektromagnetskog svijeta unutar motora. Prepoznavanje UMP-a kao izvora vibracije na 2\u00d7 mre\u017ene frekvencije, razumijevanje njegove veze s ekscentri\u010dno\u0161\u0107u zra\u010dnog raspora i njegove sposobnosti da izazove progresivni kvar preko preoptere\u0107enja le\u017eaja omogu\u0107uju to\u010dnu dijagnozu. U praksi je tijek rada jednostavan: pratite trend komponente 2\u00d7f, izvedite test bez optere\u0107enja kako biste potvrdili elektromagnetsko podrijetlo i isklju\u010dite mehani\u010dke sli\u010dne uzroke. Prijenosni dvokanalni analizator kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> hvata <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/amplitude\/\">amplituda<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/phase\/\">faza<\/a> komponenti brzine vrtnje i dvostruke frekvencije mre\u017ee na montiranom motoru pri brzini rada, \u0161to in\u017eenjeru poma\u017ee razlikovati pravu UMP od mehani\u010dke 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neravnote\u017ea<\/a> koja jednostavno treb\u00e1 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/field-balancing\/\">terensko balansiranje<\/a> \u2014 i zato ciljati pravu neispravnost umjesto janjati za simptomom.<\/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 magnetskom povla\u010denju (UMP), neuravnote\u017eenim radijalnim elektromagnetskim silama u motorima uzrokovanim ekscentri\u010dno\u0161\u0107u zra\u010dnog raspora, koje uzrokuju vibracije na 2X mre\u017enoj frekvenciji i otklon rotora.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-160","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/160","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\/160\/revisions"}],"predecessor-version":[{"id":102157,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/160\/revisions\/102157"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=160"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}