{"id":258,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/structural-resonance\/"},"modified":"2026-05-23T22:54:33","modified_gmt":"2026-05-23T22:54:33","slug":"structural-resonance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/structural-resonance\/","title":{"rendered":"\u0160to je strukturna rezonanca? Vibracije potpornog sustava"},"content":{"rendered":"<h1>Razumijevanje strukturne rezonancije<\/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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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\/258?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>Strukturna rezonancija<\/strong> je stanja u kojem frekventna sila od rotiraju\u0107ih strojeva \u2014 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/running-speed\/\">radna brzina<\/a>, 2\u00d7 od <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/misalignment\/\">neuskla\u0111enost<\/a>, ili frekvencijom prolaska lopatice\/sje\u010diva \u2014 poklapa se s <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/natural-frequency\/\">vlastita frekvencija<\/a> ne-rotiraju\u0107e potpornoj strukturi. Ta struktura mo\u017ee biti okvir stroja, bazna plo\u010da, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-pedestal\/\">postolja<\/a>, temelj ili \u010dak obli\u017enje cjevovode i platforme. Kada se frekvencije poklapaju, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/resonance\/\">rezonancija<\/a> poja\u010dava strukturnu vibraciju na razine daleko ve\u0107e od onoga \u0161to do\u017eivljavaju sami rotiraju\u0107i dijelovi.<\/p>\n<p>Strukturna rezonancija je opasna upravo zato \u0161to se maskira. Mo\u017ee u\u010diniti dobro uravnote\u017een, pravilno poravnan stroj kao da ima te\u0161ki defekt. Velika vibracija \u017eivi u strukturi i ne mora nu\u017eno zna\u010diti da je rotor u nevolji \u2014 ipak, strukturno gibanje mo\u017ee vratiti povratnu vezu u rotor i tijekom vremena prouzro\u010diti stvarnu mehani\u010dku \u0161tetu. Razlikovanje poja\u010dala od izvora je cijela dijagnosti\u010dka izazov.<\/p>\n<h2>1. Kako dolazi do strukturne rezonancije<\/h2>\n<h3>Mehanizam rezonancije<\/h3>\n<ol>\n<li><strong>Izvor pobude:<\/strong> stroj stvara periodi\u010dke sile \u2014 od <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neravnote\u017ea<\/a>, neporavnanja i tako dalje.<\/li>\n<li><strong>Prijenos sile:<\/strong> te sile prolaze kroz le\u017eajeve u potpornu strukturu.<\/li>\n<li><strong>Podudaranje frekvencija:<\/strong> frekvencija pobude pada na strukturnu prirodnu frekvenciju.<\/li>\n<li><strong>Akumulacija energije:<\/strong> struktura apsorbirra energiju tijekom mnogih ciklusa umjesto da je disipira.<\/li>\n<li><strong>Poja\u010danje:<\/strong> amplituda raste, ograni\u010dena samo strukturnom <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/damping\/\">prigu\u0161ivanje<\/a>.<\/li>\n<li><strong>Opa\u017eeni u\u010dinak:<\/strong> struktura mo\u017ee vibrirati 5\u201350\u00d7 ja\u010de nego \u0161to bi sama uhodna sila proizvela.<\/li>\n<\/ol>\n<p>Veli\u010dina tog poja\u010danja odre\u0111ena je gotovo u cijelosti prigu\u0161enjem. S malim prigu\u0161enjem, o\u0161tra rezonancija mo\u017ee pomno\u017ei gibanje desecima puta; s jakim prigu\u0161enjem, isto podudaranje frekvencija jedva se registrira. To je razlog za\u0161to su tretmani prigu\u0161enja tako u\u010dinkovit alat, i za\u0161to <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/damping-ratio-calculator\/\">kalkulator prigu\u0161enja<\/a> korisno je za procjenu kako \u0107e biti izra\u017eenati resonantna svojstva odre\u0111ene konstrukcije.<\/p>\n<h3>Tipi\u010dni frekvencijski raspon<\/h3>\n<ul>\n<li><strong>Vibracije temelja:<\/strong> obi\u010dno 5\u201330 Hz za tipi\u010dne industrijske temelje.<\/li>\n<li><strong>Vibracije bazne plo\u010de:<\/strong> 20\u2013100 Hz ovisno o veli\u010dini i izvedbi.<\/li>\n<li><strong>Vibracije postolja:<\/strong> 30\u2013200 Hz za tipi\u010dne le\u017eajne nosa\u010de.<\/li>\n<li><strong>Vibracije okvira i pokrova:<\/strong> 50\u2013500 Hz za plo\u010de od lima i pokrove.<\/li>\n<\/ul>\n<p>Kada je rezonantni element s\u00e2m stroj umjesto njegovih nosa\u010da, ista fizika se opisuje kao <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/frame-resonance\/\">rezonancija okvira<\/a>; kada je rezonancija monta\u017ee senzora, postaje <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/mounting-resonance\/\">monta\u017ena rezonancija<\/a>. Sva tri aspekta su manifestacije istoga fenomena poja\u010danja na razli\u010ditim mjestima u konstrukciji.<\/p>\n<h2>2. \u010cesti scenariji rezonancije<\/h2>\n<h3>Rezonancija pri jednom puta broj okretaja<\/h3>\n<ul>\n<li><strong>Primjer:<\/strong> stroj koji radi na 1800 RPM (30 Hz) s prirodnom frekvencijom temelja od 28\u201332 Hz.<\/li>\n<li><strong>Simptom:<\/strong> vrlo visoka vibracija unato\u010d dobroj balansiranosti.<\/li>\n<li><strong>U\u010dinak:<\/strong> \u010dak i mala rezidualna neuravnote\u017eenost proizvodi velike pokrete konstrukcije.<\/li>\n<li><strong>Rije\u0161enje:<\/strong> promijeniti temelj <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/foundation-stiffness\/\">uko\u010denost<\/a>, dodati prigu\u0161enje ili promijeniti brzinu rada.<\/li>\n<\/ul>\n<h3>2\u00d7 resonancija (frekvencija neporavnanja)<\/h3>\n<ul>\n<li>Neporavnanje stvara 2\u00d7 pobudu.<\/li>\n<li>Ako 2\u00d7 odgovara strukturnom modu, dolazi do poja\u010danja<\/li>\n<li>Velika vibracija se lako mo\u017ee pogre\u0161no dijagnosticirati kao te\u0161ko neporavnanje.<\/li>\n<li>Pobolj\u0161anje poravnanja poma\u017ee, ali ne elimini\u0161e samo rezonancu.<\/li>\n<\/ul>\n<h3>Rezonancija na frekvenciji prolaza lopatice\/krilca<\/h3>\n<ul>\n<li>Ventilatori, pumpe i turbine stvaraju <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/blade-passing-frequency\/\">frekvencija prolaska lopatice<\/a> (N \u00d7 RPM, gdje je N broj lopatica) \u2014 za pumpe, ekvivalent je <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vane-passing-frequency\/\">frekvencija prolaska lopatice<\/a>.<\/li>\n<li>\u010cesto u rasponu 50\u2013500 Hz.<\/li>\n<li>Mo\u017ee pobuditi strukturne modove u tom rasponu.<\/li>\n<li>Proizvodi visokofrekvencijski \u0161um ili zujanje.<\/li>\n<\/ul>\n<h2>3. Dijagnosti\u010dka identifikacija<\/h2>\n<h3>Znakovi strukturne rezonancije<\/h3>\n<ul>\n<li><strong>Neproporcionalna vibracija:<\/strong> strukturna vibracija mnogo ve\u0107a od vibracije le\u017eaja.<\/li>\n<li><strong>Uski raspon brzine:<\/strong> velika vibracija samo pri specifi\u010dnoj brzini (\u00b15\u201310%).<\/li>\n<li><strong>Ovisnost o smjeru:<\/strong> te\u0161ka u jednom smjeru, minimalna pod pravim kutom \u2014 u skladu s oblikom moda.<\/li>\n<li><strong>Ovisnost o mjestu:<\/strong> vibracija se uvelike razlikuje po cijeloj strukturi (anti\u010dvorovi naspram \u010dvorova).<\/li>\n<li><strong>Minimalan u\u010dinak na le\u017eaj:<\/strong> le\u017eaji i rotor mogu biti potpuno prihvatljivi dok je stanje konstrukcije te\u0161ko.<\/li>\n<\/ul>\n<h3>Udarni test (bump test)<\/h3>\n<p>Najpouzdaniji test. Udarite strukturu \u010deki\u0107em i izmjerite odgovore kako biste otkrili sve prirodne frekvencije strukture, zatim ih usporedite s radnim frekvencijama stroja. Pogledajte <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bump-test\/\">Ispitivanje udarcima<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/impact-testing\/\">udarni test<\/a> za tehniku.<\/p>\n<h3>Usporedba mjesta mjerenja<\/h3>\n<ul>\n<li>Mjerite na ku\u0107i\u0161tu le\u017eaja (najbli\u017ee izvoru).<\/li>\n<li>Mjerite ponovno na podno\u017eju postamenta, baznoj plo\u010di i temelju.<\/li>\n<li>Ako vibracije strukture daleko nadma\u0161uju vibracije le\u017eaja, ukazuje se rezonancija.<\/li>\n<li>Transmisibilnost vi\u0161a od 2\u20133 sugeri\u0161e rezonantne poja\u010danje \u2014 <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/vibration-transmissibility\/\">kalkulator transmisibilnosti vibracija<\/a> kvantificira omjer.<\/li>\n<\/ul>\n<h3>Oblik operacijskog otklona (ODS)<\/h3>\n<ul>\n<li>Mjerite vibracije u mnogo to\u010daka na strukturi istovremeno.<\/li>\n<li>Animirajte gibanje strukture da biste vidjeli koji je na\u010din aktivan.<\/li>\n<li>Identificirajte \u010dvorove i pre\u010dvorove \u2014 pogledajte <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/ods-analysis\/\">ODS analiza<\/a> i, za temeljne modove, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/modal-analysis\/\">modalna analiza<\/a>.<\/li>\n<\/ul>\n<h2>4. Odvajanje izvora od strukture na terenu<\/h2>\n<p>Prakti\u010dni klju\u010d za dijagnozu rezonancije je izmjeriti pona\u0161anje rotora nezavisno od strukture koja ga okru\u017euje \u2014 a prijenosni dvokanalnih analizator to \u010dini mogu\u0107im bez laboratorija za instrumentaciju ili zastoja. Sa <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a>, analiti\u010dar hvata 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/phase\/\">amplituda i faza<\/a> i spektar pune frekvencije na le\u017eaju, zatim prebacuje akcelerometar preko bazne plo\u010de, postamenta i okvira, uspore\u0111uju\u0107i razine to\u010dka po to\u010dka. Skromna vibracija rotora povezana s ogromnim, strogo pode\u0161enim \u010ditanjem strukture je nedvosmislena signature rezonancije. Pokretanje padanja brzine sa istim instrumentom omogu\u0107ava rezonantnom vrhu da se otkrije dok brzina prolazi kroz njega, a poku\u0161aj balansiranja rje\u0161ava je li preostala neuravnote\u017eenost zaista vode\u0107a funkcija ili samo nevin promatra\u010d poja\u010dan.<\/p>\n<h2>5. Rje\u0161enja i ubla\u017eavanje<\/h2>\n<h3>Odvajanje frekvencije<\/h3>\n<p><strong>Promijenite brzinu rada.<\/strong> Na opremi s promjenjivom brzinom, jednostavno izbjegnite rezonancu \u2014 promijenite veli\u010dine remenica motora ili koristite VFD kako biste odabrali ne-rezonantnu brzinu. To nije uvijek prakti\u010dno kada je brzina fiksna u odnosu na proces.<\/p>\n<p><strong>Izmijenite strukturalnu prirodnu frekvenciju.<\/strong><\/p>\n<ul>\n<li><strong>Dodajte masu:<\/strong> sni\u017eava prirodnu frekvenciju (f \u221d 1\/\u221am).<\/li>\n<li><strong>Dodajte krutost:<\/strong> podi\u017ee prirodnu frekvenciju (f \u221d \u221ak).<\/li>\n<li><strong>Uklonite materijal:<\/strong> u nekim slu\u010dajevima odvajanje mase pomakne rezonancu korisno.<\/li>\n<li><strong>Strukturna modifikacija:<\/strong> dodajte povezivanje, oja\u010danja ili armiranje.<\/li>\n<\/ul>\n<p>U svakom slu\u010daju, <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/foundation-natural-frequency\/\">kalkulator prirodne frekvencije temelja<\/a> poma\u017ee predvidjeti gdje \u0107e promijenjena struktura biti u odnosu na frekvenciju pobu\u0111ivanja, tako da ispravka ne pomakne problem u novi raspon frekvencija.<\/p>\n<h3>Dodavanje prigu\u0161enja<\/h3>\n<ul>\n<li><strong>Prigu\u0161enje s ograni\u010denim slojem:<\/strong> viskozno-elasti\u010dni materijal prilijepljen na strukturu, vrlo u\u010dinkovit za plo\u010de od lima i okvire, smanjuju\u0107i vrh rezonancije.<\/li>\n<li><strong>Prigu\u0161iva\u010di s pode\u0161enom masom:<\/strong> sekundarni sustav masa-opruga pode\u0161en na problemati\u010dnu frekvenciju, apsorbiraju\u0107i energiju i smanjuju\u0107i vibracije glavne strukture \u2014 u\u010dinkovit, ali zahtijeva pa\u017eljiv dizajn.<\/li>\n<li><strong>Strukturalni materijali za prigu\u0161ivanje:<\/strong> gumeni jastu\u010di\u0107i ili izolatori na strate\u0161kim mjestima, prigu\u0161ni spojevi na povr\u0161inama i frikcijski prigu\u0161iva\u010di na spojevima. Na sustavima s visokobrzinim rotorom <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/squeeze-film-damper\/\">prigu\u0161iva\u010d sa stisnim uljnim filmom<\/a> obavlja analognu funkciju na le\u017eaju.<\/li>\n<\/ul>\n<h3>Izolacija<\/h3>\n<ul>\n<li>Instalirajte vibracijske izolatore izme\u0111u stroja i temelja kako biste razdvojili ta dva.<\/li>\n<li>U\u010dinkovito kada je prirodna frekvencija izolatora ispod otprilike 0,5\u00d7 frekvencije pobu\u0111ivanja.<\/li>\n<li>Zahtijeva pa\u017eljiv dizajn kako biste izbjeg\u043b\u0438 stvaranje nove rezonancije niske frekvencije \u2014 <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/machine-vibration-isolation\/\">kalkulator za izolaciju vibracija stroja<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/vibration-mount-selection\/\">kalkulator za odabir vibracijskih izolacijskih nosa\u010da<\/a> pomo\u0107 pri pravilnom dimenzioniranju nosa\u010da.<\/li>\n<\/ul>\n<h3>Smanjite pobudu<\/h3>\n<ul>\n<li>Pobolj\u0161ati <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">kvaliteta uravnote\u017eenja<\/a> da biste smanjili 1\u00d7 pobudu.<\/li>\n<li>Koristite precizno poravnanje da biste smanjili 2\u00d7 pobudu.<\/li>\n<li>Ispravite mehani\u010dke probleme koji pove\u0107avaju amplitudu sile.<\/li>\n<li>Ovo smanjuje simptom, ali ne uklanja osnovnu mogu\u0107nost rezonancije.<\/li>\n<\/ul>\n<h2>6. Sprje\u010davanje pri oblikovanju<\/h2>\n<h3>Kriteriji dizajna temelja<\/h3>\n<ul>\n<li>Nastojite da vlastita frekvencija temelja bude vi\u0161a od 2\u00d7 maksimalne radne frekvencije (rezonancija izbjegnuta iz gore).<\/li>\n<li>Ili ispod 0,5\u00d7 minimalne radne frekvencije (izolirani temelj).<\/li>\n<li>Izbjegavajte raspon od 0,5\u20132,0\u00d7 gdje je rezonancija vjerojatna.<\/li>\n<li>Uklju\u010dite dinami\u010dku analizu u fazu projektiranja, ba\u0161 kao \u0161to se <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/critical-speed\/\">kriti\u010dne brzine<\/a> provjeravaju u odnosu na njegov radni raspon.<\/li>\n<\/ul>\n<h3>Strukturni dizajn<\/h3>\n<ul>\n<li>Dizajnirajte za adekvatnu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/stiffness\/\">uko\u010denost<\/a> u odnosu na frekvencije sile.<\/li>\n<li>Izbjegavajte lagano optere\u0107ene konstrukcije koje su sklone rezonanciji.<\/li>\n<li>Koristite rebre\u0161irane plo\u010de i poja\u010danja da biste pove\u0107ali frekvenciju.<\/li>\n<li>Ugra\u0111ujte inherentno prigu\u0161enje \u2014 kompozitne materijale ili spojeve dizajnirane da disipiraju energiju kroz trenje.<\/li>\n<\/ul>\n<p>Strukturna rezonancija pretvara male izvore vibracija u velike probleme kroz jednostavno poja\u010danje. Identificiranje rezonancija kroz testiranje utjecaja i operacijska mjerenja, a zatim primjena odgovaraju\u0107eg ubla\u017eavanja \u2014 odvajanja frekvencija, prigu\u0161enja, izolacije ili smanjene pobude \u2014 bitno je za postizanje prihvatljive vibracije u bilo kojoj instalaciji gdje dinamika strukture zna\u010dajno oblikuje ukupno pona\u0161anje stroja.<\/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 strukturnoj rezonanciji i poja\u010danju vibracija kada se radne frekvencije stroja podudaraju s prirodnim frekvencijama potpornih konstrukcija, temelja ili okvira.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-258","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/258\/revisions"}],"predecessor-version":[{"id":101414,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/258\/revisions\/101414"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}