{"id":173,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/nodal-point\/"},"modified":"2026-07-03T10:09:35","modified_gmt":"2026-07-03T10:09:35","slug":"nodal-point","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/nodal-point\/","title":{"rendered":"\u0160to je \u010dvorna to\u010dka u vibraciji rotora?"},"content":{"rendered":"<h1>Razumijevanje \u010dvornih to\u010daka u vibracijama 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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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>\u010dvorna to\u010dka<\/strong> \u2014 tako\u0111er nazvan \u010dvor ili \u010dvorna linija kada se gibanje promatra u tri dimenzije \u2014 je specifi\u010dna lokacija du\u017e vibriraju\u0107eg <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor\/\">rotor<\/a> gdje <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/displacement\/\">pomak<\/a> ostaje nula dok rotor vibrira na odre\u0111enoj <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/natural-frequency\/\">vlastita frekvencija<\/a>. \u010cak i kada se ostatak vratila savija i giba kroz svoju amplitudu, \u010dvorna to\u010dka ostaje nepomi\u010dna u odnosu na neutralnu poziciju vratila. \u010cvorne to\u010dke su temeljne karakteristike <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/mode-shape\/\">oblici na\u010dina rada<\/a>, i poznavanje njihove lokacije je presudno za <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor-dynamics\/\">dinamika rotora<\/a> analiza, za <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">balansiranje<\/a> strategiju, kao i za odlu\u010divanje gdje montirati senzore vibracija. Pogre\u0161na procjena dovodi do neuspje\u0161nog balansiranja ili ne\u010dujnog sustava nadzora; ako ih razumijete, oboje postaje jednostavno.<\/p>\n<h2>1. \u010cvorne to\u010dke u razli\u010ditim modama vibriranja<\/h2>\n<p>Svaka moda vratila ima svoje vlastite uzorke \u010dvorova i anti\u010dvorova koji postaju slo\u017eeniji s pove\u0107anjem broja mode.<\/p>\n<h3>Prvi na\u010din savijanja<\/h3>\n<p>Prvi (osnovni) na\u010din savijanja obi\u010dno ima:<\/p>\n<ul>\n<li><strong>nema unutra\u0161njih \u010dvorova<\/strong> \u2014 niti jedna to\u010dka nulte deformacije du\u017e raspona vratila;<\/li>\n<li><strong>lokacije le\u017eajeva kao pribli\u017ene \u010dvorove<\/strong> \u2014 u jednostavno oslonjenoj konfiguraciji le\u017eajevi djeluju kao bliske \u010dvorne to\u010dke;<\/li>\n<li><strong>maksimalna deformacija<\/strong> blizu sredine izme\u0111u le\u017eajeva; i<\/li>\n<li><strong>jednostavni oblik luka<\/strong> \u2014 vratilo se savija u jednoj glatkoj krivulji.<\/li>\n<\/ul>\n<h3>Drugi na\u010din savijanja<\/h3>\n<p>Drugi na\u010din ima slo\u017eeniji obrazac:<\/p>\n<ul>\n<li><strong>jedan unutra\u0161nji \u010dvor<\/strong> \u2014 jedina to\u010dka, obi\u010dno blizu sredine, gdje je deformacija nula;<\/li>\n<li><strong>oblik S-krivulje<\/strong> \u2014 vratilo se savija u suprotnim smjerovima s obje strane \u010dvora;<\/li>\n<li><strong>dva anti\u010dvora<\/strong> \u2014 maksimalna progibanja na svakoj strani \u010dvora; i<\/li>\n<li><strong>vi\u0161a frekvencija<\/strong> \u2014 njegova prirodna frekvencija je znatno iznad prvog moda.<\/li>\n<\/ul>\n<h3>Tre\u0107i mod i vi\u0161i modovi<\/h3>\n<ul>\n<li><strong>tre\u0107i oblik:<\/strong> dva interna \u010dvorna mjesta i tri anti\u010dvora;<\/li>\n<li><strong>\u010detvrti oblik:<\/strong> tri \u010dvorna mjesta i \u010detiri anti\u010dvora;<\/li>\n<li><strong>op\u0107e pravilo:<\/strong> mod N ima (N \u2212 1) internih \u010dvornih mjesta; i<\/li>\n<li><strong>rastu\u0107\u0430 \u0441\u043b\u043e\u0436\u0435\u043d\u043e\u0441\u0442:<\/strong> vi\u0161i modovi pokazuju progresivno slo\u017eenije valutne obrasce.<\/li>\n<\/ul>\n<h2>2. Fizi\u010dka Zna\u010denja \u010cvornih Mjesta<\/h2>\n<h3>Nula Progibanja \u2014 ali Maksimalna Naprezanja<\/h3>\n<p>U \u010dvornom mjestu tijekom vibriranja na toj frekvenciji prirodnog moda:<\/p>\n<ul>\n<li>bo\u010dni pomak je nula i vratilo prolazi kroz njegovu neutralnu os;<\/li>\n<li>me\u0111utim, naprezanje savijanja je obi\u010dno maksimalno jer je nagib krivulje progibanja tamo najstrmniji; i<\/li>\n<li>posmi\u010dne sile su tako\u0111er najve\u0107e u \u010dvoru.<\/li>\n<\/ul>\n<p>Ovaj kontra-intuitivni parnjak \u2014 najmanje gibanja, najve\u0107a naprezanja \u2014 je razlog za\u0161to \u010dvor mo\u017ee biti odli\u010dan polo\u017eaj oslonca, ali lo\u0161e mjesto za ocjenu zdravlja rotora samo prema gibanju.<\/p>\n<h3>Nulta osjetljivost<\/h3>\n<p>Sila ili masa primijenjena na \u010dvornom mjestu ima minimalan u\u010dinak na taj poseban mod:<\/p>\n<ul>\n<li>dodavanje <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/correction-weight\/\">korekcijski utezi<\/a> na \u010dvoru \u010dini malo za balansiranje tog moda;<\/li>\n<li>senzori postavljeni na \u010dvoru detektuju minimalne vibracije za taj mod; i<\/li>\n<li>oslonac ili ograni\u010denje na \u010dvoru jedva pomjera prirodnu frekvenciju moda.<\/li>\n<\/ul>\n<h2>3. Prakti\u010dne Implikacije za Balansiranje<\/h2>\n<h3>Odabir Korekcijske Ravnine<\/h3>\n<p>Znanje o lokaciji \u010dvorova usmjerava cijeli pristup uravnote\u017eavanju i drasti\u010dno se razlikuje izme\u0111u krutih i fleksibilnih rotora.<\/p>\n<h4>Za krute rotore<\/h4>\n<ul>\n<li>rade ispod prve kriti\u010dne brzine;<\/li>\n<li>prvi na\u010din nije zna\u010dajno uzbu\u0111en;<\/li>\n<li>standardno <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/two-plane-balancing\/\">balansiranje u dvije ravnine<\/a> blizu krajeva rotora je u\u010dinkovito; i<\/li>\n<li>\u010dvorne to\u010dke nisu primarni fokus.<\/li>\n<\/ul>\n<h4>Za fleksibilne rotore<\/h4>\n<ul>\n<li>rade kroz ili iznad kriti\u010dnih brzina;<\/li>\n<li>oblici modusa i \u010dvorne to\u010dke moraju biti uzeti u obzir;<\/li>\n<li><strong>u\u010dinkovito <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/correction-plane\/\">korekcijske ravnine<\/a><\/strong> nalaze se na ili blizu anti\u010dvorova \u2014 to\u010daka maksimalnog otklona;<\/li>\n<li><strong>neu\u010dinkovite lokacije<\/strong> su korekcijske ravnine na ili blizu \u010dvora, koje jedva utje\u010du na taj modus; i<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/modal-balancing\/\">modalno uravnote\u017eenje<\/a><\/strong> Eksplicitno uzima u obzir lokacije \u010dvornih to\u010daka prilikom distribucije korekcijskih te\u017eina<\/li>\n<\/ul>\n<h3>Primjer: Uravnote\u017eavanje Drugog Modusa<\/h3>\n<p>Razmotrimo duga\u010dko fleksibilno vratilo koje radi iznad prve kriti\u010dne brzine, uzbudimo drugi modus:<\/p>\n<ul>\n<li>drugi modus ima jednu \u010dvornu to\u010dku blizu sredine raspona;<\/li>\n<li>postavljanje sve korekcijske te\u017eine blizu sredine raspona \u2014 na \u010dvor \u2014 bilo bi neu\u010dinkovito;<\/li>\n<li>optimalna strategija je postavljanje korekcija na dva anti\u010dvora, jedan sa svake strane \u010dvora; i<\/li>\n<li>uzorak distribucije te\u017eine mora odgovarati obliku drugog modusa kako bi uravnote\u017eavanje bilo uspje\u0161no.<\/li>\n<\/ul>\n<h2>4. Razmatranja Postavljanja Senzora<\/h2>\n<h3>Strategija Mjerenja Vibracija<\/h3>\n<p>\u010cvorne to\u010dke imaju odlu\u010duju\u0107i utjecaj na <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration-monitoring\/\">pra\u0107enje vibracija<\/a>.<\/p>\n<h4>Izbjegavajte \u010dvorne lokacije<\/h4>\n<ul>\n<li>senzor na \u010dvoru detektuje minimalnu vibraciju za taj na\u010din;<\/li>\n<li>mo\u017ee propustiti ozbiljan problem vibracija ako je jedina to\u010dka mjerenja; i<\/li>\n<li>Mo\u017ee dati la\u017ean dojam prihvatljivih razina vibracija<\/li>\n<\/ul>\n<h4>Ciljne lokacije antinoda<\/h4>\n<ul>\n<li>anti\u010dvorovi pokazuju maksimalnu amplitudu vibracija;<\/li>\n<li>oni su najosjetljiviji na razvijaju\u0107i se problem;<\/li>\n<li>za prvi mod jednostavno oslonjenog rotora trbuh titranja nalazi se blizu sredine raspona (le\u017eajevi su blizu \u010dvorova); u praksi se nadzor strojeva ipak obi\u010dno provodi mjerenjem na ku\u0107i\u0161tima le\u017eaja jer su to dostupna, standardna mjesta ugradnje; i<\/li>\n<li>za vi\u0161e na\u010dine, mo\u017eda su potrebne me\u0111uto\u010dke mjerenja.<\/li>\n<\/ul>\n<h4>Vi\u0161estruke mjerne to\u010dke<\/h4>\n<ul>\n<li>Za fleksibilne rotore, mjerite na nekoliko aksijalnih mjesta<\/li>\n<li>to osigurava da se niti jedan na\u010din ne preska\u010de jer se senzor slu\u010dajno nalazio na \u010dvoru;<\/li>\n<li>omogu\u0107uje eksperimentalno odre\u0111ivanje oblika moda; i<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/critical-machinery\/\">kriti\u010dna oprema<\/a> \u010desto ima senzore na svakom le\u017eaju plus na sredini raspona.<\/li>\n<\/ul>\n<h2>5. Odre\u0111ivanje polo\u017eaja \u010dvornih to\u010daka<\/h2>\n<h3>Analiti\u010dko predvi\u0111anje<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/modal-analysis\/\">Analiza kona\u010dnih elemenata<\/a>:<\/strong> izra\u010dunava oblike modova i precizno locira \u010dvorove.<\/li>\n<li><strong>Teorija grede:<\/strong> za jednostavne konfiguracije, zatvorena rje\u0161enja predvi\u0111aju polo\u017eaje \u010dvorova.<\/li>\n<li><strong>Alati za projektiranje:<\/strong> softver rotordinamike prikazuje svaki oblik moda vizualno s ozna\u010denim \u010dvorovima.<\/li>\n<\/ul>\n<h3>Eksperimentalna identifikacija<\/h3>\n<p><strong>1. Ispitivanje udarcem (bump)<\/strong> \u2014 udariti vratilo na nekoliko lokacija instrumentiranim \u010deki\u0107em i izmjeriti odziv na mnogim to\u010dkama; lokacija koja ne pokazuje odziv na danoj frekvenciji je \u010dvorna to\u010dka za taj modo. Tehniku je detaljno opisana u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bump-test\/\">udarno ispitivanje<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/impact-testing\/\">udarni test<\/a>.<\/p>\n<p><strong>2. Mjerenje oblika radnog otklona<\/strong> \u2014 tijekom rada blizu kriti\u010dne brzine, izmjerite vibraciju na mnogim aksijalnim to\u010dkama, ucrtajte amplitudu otklona u odnosu na polo\u017eaj, i pro\u010ditajte presjeke nula kao \u010dvorne polo\u017eaje. Ovo je sr\u017e <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/ods-analysis\/\">analiza oblika radnog otklona<\/a>.<\/p>\n<p><strong>3. Nizovi senzora blizine<\/strong> \u2014 instalirajte nekoliko beskontaktnih <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/proximity-probe\/\">sonde za blizinu<\/a> du\u017e vratila i izmjerite otklanjanja izravno tijekom pokretanja ili <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/coastdown\/\">obala<\/a>; ovo je najpreciznija eksperimentalna metoda za pronala\u017eenje \u010dvorova.<\/p>\n<h2>6. \u010cvorovi u odnosu na anti\u010dvorove<\/h2>\n<p>\u010cvorovi i anti\u010dvorovi su komplementarne polovice iste slike.<\/p>\n<table>\n<tr>\n<th>\u010cvorne to\u010dke<\/th>\n<th>Antinodi<\/th>\n<\/tr>\n<tr>\n<td>Nulti otklon<\/td>\n<td>Maksimalni otklon<\/td>\n<\/tr>\n<tr>\n<td>Maksimalni nagib savijanja i naprezanje<\/td>\n<td>Nulti nagib savijanja<\/td>\n<\/tr>\n<tr>\n<td>Niska u\u010dinkovitost primjene ili mjerenja sile<\/td>\n<td>Maksimalna u\u010dinkovitost korekcijskih utega<\/td>\n<\/tr>\n<tr>\n<td>Idealno za polo\u017eaje oslonaca (minimalizacija prenesene sile)<\/td>\n<td>Optimalni polo\u017eaji za postavljanje senzora<\/td>\n<\/tr>\n<tr>\n<td>\u2014<\/td>\n<td>Najve\u0107e naprezanje pod kombiniranim optere\u0107enjem<\/td>\n<\/tr>\n<\/table>\n<h2>7. Prakti\u010dne primjene i studije slu\u010dajeva<\/h2>\n<h3>Slu\u010daj: Valjak papirnate \u043c\u0430\u0448\u0438\u043d\u0435<\/h3>\n<ul>\n<li><strong>Situacija:<\/strong> duga\u010dak (6-metarski) valjak koji radi pri 1 200 okr\/min s visokom vibracijom.<\/li>\n<li><strong>Analiza:<\/strong> radio je iznad prve kriti\u010dne brzine, pobu\u0111uju\u0107i drugi modni oblik s \u010dvorom u sredini raspona.<\/li>\n<li><strong>Po\u010detni poku\u0161aj:<\/strong> te\u017eine su dodane u sredini raspona \u2014 pristupa\u010dnoj to\u010dki \u2014 s lo\u0161im rezultatima.<\/li>\n<li><strong>Rije\u0161enje:<\/strong> prepoznav\u0161i da je sredina raspona bila \u010dvorna to\u010dka, te\u017eine su preraspodijeljena na \u010detvrtinaste to\u010dke (anti\u010dvorove).<\/li>\n<li><strong>Rezultat:<\/strong> vibracija je pala za 85%, uspje\u0161no modalno uravnote\u017eivanje.<\/li>\n<\/ul>\n<h3>Slu\u010daj: Pra\u0107enje parnih turbina<\/h3>\n<ul>\n<li><strong>Situacija:<\/strong> novi sustav za nadzor pokazao je nisku vibraciju unato\u010d poznatoj neuravnote\u017eenosti.<\/li>\n<li><strong>Istraga:<\/strong> senzor je slu\u010dajno postavljen blizu \u010dvorne to\u010dke dominantnog modalnog oblika.<\/li>\n<li><strong>Rije\u0161enje:<\/strong> dodatni senzori na lokacijama anti\u010dvora otkrili su prave razine vibracija.<\/li>\n<li><strong>Lekcija:<\/strong> uvijek razmotr\u0438\u0442\u0435 oblike modusa pri projektiranju sustava nadzora.<\/li>\n<\/ul>\n<h2>8. Napredna razmatranja<\/h2>\n<h3>Pomicanje \u010dvorova<\/h3>\n<p>U nekim sustavima \u010dvori\u0161ta se pomi\u010du\u0107i s promjenom radnih uvjeta:<\/p>\n<ul>\n<li>krutost le\u017eaja ovisna o brzini premje\u0161ta lokacije \u010dvori\u0161ta;<\/li>\n<li>temperatura utje\u010de na krutost vratila;<\/li>\n<li>odgovor mo\u017ee biti ovisan o optere\u0107enju; i<\/li>\n<li>asimetri\u010dni sustavi mogu imati razli\u010dita \u010dvori\u0161ta za horizontalno i vertikalno gibanje.<\/li>\n<\/ul>\n<h3>Pribli\u017eni vs. pravi \u010dvorovi<\/h3>\n<ul>\n<li><strong>Pravi \u010dvorovi:<\/strong> to\u010dne to\u010dke nulte progibanja u idealiziranom sustavu.<\/li>\n<li><strong>Pribli\u017ena \u010dvori\u0161ta:<\/strong> lokacije s vrlo malim \u2014 ali ne to\u010dno nultim \u2014 progibanjem u realnom sustavu s <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/damping\/\">prigu\u0161ivanje<\/a> i ostalim neidealni u\u010dinaka.<\/li>\n<li><strong>Prakti\u010dna posljedica:<\/strong> pravo \u010dvori\u0161te je a <em>podru\u010dje<\/em> malog progibanja umjesto to\u010dke ta\u010dne matemati\u010dke to\u010dke.<\/li>\n<\/ul>\n<h2>9. Primjena u praksi na terenu<\/h2>\n<p>Za krute rotore koji \u010dine ve\u0107inu industrijske opreme \u2014 pumpe, ventilatore, motore i sli\u010dno \u2014 prakti\u010dno pravilo je jednostavno: ostanite ispod prve kriti\u010dne brzine i problemati\u010dna \u010dvori\u0161ta progibanja nikada se ne pojavljuju, pa dva ispravna ravnina blizu rubova rotora obave posao. Prijenosni dvokanalnih analizator kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> izvr\u0161ava to\u010dno tu jednoravninsku ili dvoravninsku <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/field-balancing\/\">terensko balansiranje<\/a> u vlastitim le\u017eajima stroja, mjerenjem amplitude i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/phase\/\">faza<\/a> da bi se izra\u010dunale te\u017eine. Kad rotor mora raditi kroz ili iznad kriti\u010dne brzine, isti podaci amplitude i faze prikupljeni na nekoliko osnih to\u010daka omogu\u0107avaju analiti\u010daru da mapira oblik moda i potvrdi koja ravnina je anti\u010dvor prije nego \u0161to se bilo koja te\u017eina primijeni \u2014 razlika izme\u0111u pobolj\u0161anja od 85% i bescjeljnog poku\u0161aja. Razumijevanje \u010dvori\u0161ta, ukratko, je ono \u0161to vibracijske podatke pretvara u ispravnu odluku o balansiranju.<\/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 \u010dvornim to\u010dkama, mjestima na vibriraju\u0107oj osovini gdje otklon ostaje nula, klju\u010dnim za razumijevanje oblika modova, uravnote\u017eenja i postavljanja senzora u rotiraju\u0107im strojevima.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-173","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/173","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\/173\/revisions"}],"predecessor-version":[{"id":102180,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/173\/revisions\/102180"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}