{"id":58,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/blade-resonance\/"},"modified":"2026-05-23T22:55:42","modified_gmt":"2026-05-23T22:55:42","slug":"blade-resonance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/blade-resonance\/","title":{"rendered":"Kaj je resonanca lopatic? Vibracije ventilatorja in turbine"},"content":{"rendered":"<h1>Razumevanje resonance rezila<\/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\/sl\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij 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=\"Prenosni uravnote\u017enik in analizator vibracij Balanset-1A v popolnem kompletu\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij Balanset-1A\">Prenosni balanser in analizator vibracij 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">\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=\"Senzor vibracij Balanset-1A od blizu\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">Senzor vibracij<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">\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\u010dni senzor (laserski tahometer)\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">Opti\u010dni senzor (laserski tahometer)<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/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=\"Komplet za uravnote\u017eenje rotorjev Vibromera: torba za prena\u0161anje, ve\u010dkanalni pretvornik signala, ro\u010dni analizator, magnetna podlaga, senzorji vibracij in spiralni kabli.\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo Insize-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=\"Magnetna osnova.\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo Insize-60-kgf\">Magnetno stojalo Insize-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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" 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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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">Odsevni trak<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &quot;Balanset-1A&quot; 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=\"Vsebina kompleta Balanset-1A z vmesni\u0161ko enoto, senzorji, tahometrom in dodatno opremo\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &quot;Balanset-1A&quot; OEM\">Dinami\u010dni uravnote\u017eevalnik \"Balanset-1A\" 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/58?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 v ko\u0161arico: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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>Resonanca rezila<\/strong> je <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/resonance\/\">resonanca<\/a> stanje, pri katerem posamezne lopatice ali krila v ventilatorju, kompresorju, turbini ali \u010drpalki nihajo na eni od svojih <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/natural-frequency\/\">lastne frekvence<\/a> kot odziv na vzbujanje z aerodinami\u010dnimi silami, mehanskim nihanjem ali elektromagnetnimi u\u010dinki. Ko frekvenca vzbujanja zadane lastno frekvenco lopatice, se nihanje lopatice dramati\u010dno oja\u010da in povzro\u010da visoke izmeni\u010dne napetosti, ki povzro\u010dajo visokocikli\u010dno <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/fatigue\/\">utrujenost<\/a> pokanje in s\u010dasoma odpoved lopatice. Gre za posebej zahrbtni pojav, ker je ena sama resonirajo\u010da lopata pri meritvah nihanja ohi\u0161ja le\u017eajev, ki se uporabljajo pri rutinskem nadzoru, skoraj nevidna, \u010deprav ta lopata prena\u0161a uni\u010dujo\u010de napetosti. Resonanca lopatic je zato primarno projektno vodilo pri turbostrojih in pojav, ki se lahko poka\u017ee v industrijskem ventilatorju, kadar se njegovi obratovalni pogoji oddaljijo od prvotnih projektnih namenov.<\/p>\n<h2>1. Naravne frekvence lopatice<\/h2>\n<h3>Osnovni na\u010dini<\/h3>\n<p>Vsaka lopata je sama po sebi fleksibilna konstrukcija z ve\u010d razli\u010dnimi oblikami nihanja:<\/p>\n<h4>Prvi na\u010din upogibanja<\/h4>\n<ul>\n<li>Enostavno upogibanje konzole s preve\u0161anjem konice lopatice.<\/li>\n<li>Najni\u017eja lastna frekvenca lopatice.<\/li>\n<li>Najla\u017eje vzbujana in zato najpogosteje problemati\u010dna.<\/li>\n<li>Tipi\u010dno 100\u20132000 Hz, odvisno od velikosti in togosti lopatice.<\/li>\n<\/ul>\n<h4>Drugi na\u010din upogibanja<\/h4>\n<ul>\n<li>Upogibni vzorec v obliki \u010drke S z vozli\u0161\u010dem vzdol\u017e lopatice.<\/li>\n<li>Vi\u0161ja frekvenca \u2014 tipi\u010dno 3\u20135-kratnik prve oblike nihanja.<\/li>\n<li>Manj pogosto vzbujajo\u010di, vendar v celoti mo\u017eni.<\/li>\n<\/ul>\n<h4>Torzijski na\u010din<\/h4>\n<ul>\n<li>Torzija lopatice okoli lastne osi.<\/li>\n<li>Njena frekvenca je odvisna od geometrije lopatice in na\u010dina njene pritrditve.<\/li>\n<li>Lako vzbujajo\u010di s strani nestacionarnih aerodinami\u010dnih sil, ki se mo\u010dno spre\u017eijo v torzijo.<\/li>\n<\/ul>\n<h3>Dejavniki, ki vplivajo na naravno frekvenco lopatice<\/h3>\n<ul>\n<li><strong>Dol\u017eina lopatice:<\/strong> dalj\u0161e lopatice imajo ni\u017eje naravne frekvence.<\/li>\n<li><strong>Debelina:<\/strong> debelej\u0161e lopatice so bolj toge in resonirajo pri vi\u0161jih frekvencah.<\/li>\n<li><strong>Material:<\/strong> razmerje togosti in gostote dolo\u010da frekvenco za dano obliko.<\/li>\n<li><strong>Monta\u017ea:<\/strong> togost pritrditve dolo\u010da robne pogoje in s tem premakne vsako obliko nihanja.<\/li>\n<li><strong>Centrifugalno oja\u010danje:<\/strong> pri obratovalni hitrosti centrifugalna napetost v lopatici pove\u010da njeno navidezno togost in dvigne njene lastne frekvence \u2014 zato je treba frekvence lopatice oceniti pri obratovalni hitrosti, ne v mirovanju.<\/li>\n<\/ul>\n<p>Ta zadnji u\u010dinek, centrifugalno utrjevanje, je razlog, zakaj resonance lopatice ni mogo\u010de oceniti samo s stati\u010dnim preizkusom na mizi; isti centrifugalni field, ki utrjuje lopatico, hkrati obremenjuje njen koren \u2014 obremenitev, ki jo je <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/fan-blade-centrifugal-force\/\">kalkulator centrifugalne sile ventilatorske lopatice<\/a> lahko kvantificira.<\/p>\n<h2>2. Viri vzbujanja<\/h2>\n<h3>Aerodinami\u010dno vzbujanje<\/h3>\n<h4>Motnje v dotoku<\/h4>\n<ul>\n<li>Podporni nosilci ali vodilne lopate pred rotorjem ustvarjajo turbulentne sledi, skozi katere sekajo lopatice.<\/li>\n<li>\u0160tevilo motenj, pomno\u017eeno z vrtilno hitrostjo rotorja, dolo\u010da frekvenco vzbujanja.<\/li>\n<li>\u010ce se ta produkt ujema z lastno frekvenco lopatice, nastopi resonanca.<\/li>\n<\/ul>\n<h4>Turbulenca toka<\/h4>\n<ul>\n<li>Nestacionarni tok zagotavlja \u0161irokopasovnega, naklju\u010dnega vzbujanja prek <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/turbulence\/\">turbulenca toka<\/a>.<\/li>\n<li>Lopati\u010dno obliko nihanja lahko vzbudi kadarkoli, kadar nosi energijo pri pravi frekvenci.<\/li>\n<li>Pogosto se pojavlja pri obratovanju zunaj projektnih pogojev, kjer tok ne sledi lopat\u00adicam gladko.<\/li>\n<\/ul>\n<h4>Akusti\u010dna resonanca<\/h4>\n<ul>\n<li>V kanalnem sistemu se lahko tvorijo stoje\u010di akusti\u010dni valovi.<\/li>\n<li>Njihova tla\u010dna nihanja lahko neposredno vzbujajo lopatice.<\/li>\n<li>Nevarnost je najve\u010dja, ko se akusti\u010dna oblika nihanja sklopi s strukturno obliko nihanja lopatice pri isti frekvenci.<\/li>\n<\/ul>\n<h3>Mehansko vzbujanje<\/h3>\n<ul>\n<li>Rotor <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> kar ustvarja vibracije 1\u00d7 ki se prena\u0161ajo v lopatice.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/misalignment\/\">Neporavnanost gredi<\/a> prispevaju\u0107i 2\u00d7 vzbujanja.<\/li>\n<li>Po\u0161kodbe le\u017eajev, ki vna\u0161ajo visokofrekven\u010dne vibracije v rotor.<\/li>\n<li>Vibracije temelja ali ohi\u0161ja, ki se skozi konstrukcijo prena\u0161ajo v lopatice.<\/li>\n<\/ul>\n<h3>Elektromagnetno vzbujanje (motorni ventilatorji)<\/h3>\n<ul>\n<li>Komponenta 2\u00d7 frekvence omre\u017eja iz elektromotorja.<\/li>\n<li>Spletna stran <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/pole-pass-frequency\/\">frekvenca poteka pola<\/a>.<\/li>\n<li>\u010ce se katera od njiju pribli\u017ea lastni frekvenci lopatice, postane resonanca mogo\u010da \u2014 tako motorjev <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/electrical-frequency\/\">elektri\u010dna frekvenca<\/a> sodi v vsako oceno resonance lopatic pri neposredno gnanem ventilatorju.<\/li>\n<\/ul>\n<h2>3. Simptomi in zaznavanje<\/h2>\n<h3>Zna\u010dilnosti vibracij<\/h3>\n<ul>\n<li><strong>Komponenta visoke frekvence<\/strong> pri lastni frekvenci lopatice, pogosto v obmo\u010dju 200\u20132000 Hz.<\/li>\n<li><strong>Odvisnost od hitrosti:<\/strong> pojavi se le pri dolo\u010denih obratovalnih hitrostih, kjer pride do sovpadanja.<\/li>\n<li><strong>Morda rahlo pri le\u017eajih:<\/strong> ker je vibracija lopatice lokalizirana, se lahko v meritvah na ohi\u0161ju le\u017eaja ka\u017ee le \u0161ibko.<\/li>\n<li><strong>Smer:<\/strong> lahko je izrazitej\u0161a v dolo\u010denih smereh merjenja.<\/li>\n<\/ul>\n<h3>Akusti\u010dni indikatorji<\/h3>\n<ul>\n<li>Visok pisk ali \u017evi\u017eg pri resonan\u010dni frekvenci.<\/li>\n<li>Tonalni \u0161um, ki se jasno razlikuje od normalnega obratovalnega zvoka.<\/li>\n<li>Prisotno le pri dolo\u010denih hitrostih ali pogojih pretoka<\/li>\n<li>Pogosto presenetljivo glasen, tudi kadar je izmerjena vibracija le zmerna.<\/li>\n<\/ul>\n<h3>Fizi\u010dni dokazi<\/h3>\n<ul>\n<li><strong>Vidljivo gibanje lopatice:<\/strong> trepetanje ali vibracija posameznih lopatic, ki jo je v\u010dasih mogo\u010de opaziti s stroboskopom.<\/li>\n<li><strong>Utrujenostne razpoke<\/strong> na koreninah lopatice ali drugih koncentrirajih napetosti.<\/li>\n<li><strong>Strganje:<\/strong> obr\u0430\u0431ne sledi na pritrditvi lopatice, ki razkrivajo relativno gibanje.<\/li>\n<li><strong>Zlomljene lopatice:<\/strong> kon\u010dna posledica, \u010de resonanca ni odpravljena.<\/li>\n<\/ul>\n<h2>4. Izzivi zaznave<\/h2>\n<h3>Zakaj je resonanco lopatic te\u017eko zaznati<\/h3>\n<ul>\n<li>Gibanje lopatic se ne prena\u0161a mo\u010dno na ohi\u0161je le\u017eaja.<\/li>\n<li>Standardni pospe\u0161kometri, name\u0161\u010deni na le\u017eajih, jo lahko povsem spregledajo.<\/li>\n<li>Vibracija je lokalizirana na posamezne lopatice in se ne deli po celotnem rotorju.<\/li>\n<li>Zanesljivo zaznavanje lahko zahteva specializirane merilne tehnike, usmerjene neposredno na lopatice.<\/li>\n<\/ul>\n<h3>Napredne metode zaznavanja<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/blade-tip-timing\/\">Merjenje \u010dasa prehoda konice lopatice<\/a>:<\/strong> nekontaktni senzorji merijo \u010das prehoda vsake lopatice, da bi sklepali o njenem odklonu, lopatico za lopatico.<\/li>\n<li><strong>Merilni listi\u010di za deformacijo:<\/strong> prilepljeni na lopatice za neposredno merjenje napetosti, kar zahteva rotor <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/telemetry\/\">telemetrija<\/a> za odvod signala z vrte\u010dega se rotorja.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/laser-vibrometry\/\">Laserska vibrometrija<\/a>:<\/strong> brezkontaktno opti\u010dno merjenje gibanja lopatic.<\/li>\n<li><strong>Akusti\u010dno spremljanje:<\/strong> mikrofoni ali pospe\u0161kometri, pritrjeni na ohi\u0161je v bli\u017eini lopatic.<\/li>\n<\/ul>\n<h2>5. Posledice resonance lopatic<\/h2>\n<h3>Visokocikli\u010dna utrujenost<\/h3>\n<ul>\n<li>Resonanca povzro\u010da veliko izmeni\u010dno napetost v korenu lopatice.<\/li>\n<li>Pri stotinah hercev se v samo urah ali dneh nabere milijone ciklov napetosti.<\/li>\n<li>Razpoke zaradi utrujenosti materiala se za\u010dnejo in nato \u0161irijo pod tem cikli\u010dnim obremenjevanjem.<\/li>\n<li>Odpoved se lahko pojavi nenadoma, brez predhodnih opozorilnih znakov na le\u017eajih.<\/li>\n<\/ul>\n<p>Ker je po\u0161kodba v osnovi proces utrujenosti materiala, amplituda izmeni\u010dne napetosti in \u0161tevilo ciklov dolo\u010data, kako dolgo lopatica zdr\u017ei \u2014 razmerje, ki ga opisuje krivulja S-N in ki ga je mogo\u010de obravnavati z <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/fatigue-life-calculator\/\">kalkulator trajnosti<\/a>.<\/p>\n<h3>Odtrganje lopatice<\/h3>\n<ul>\n<li>Celotna lopatica se odlomi od rotorja zaradi utrujenostnega loma.<\/li>\n<li>Izgubljena masa povzro\u010di hudo, takoj\u0161njo neuravnote\u017eenost.<\/li>\n<li>Spro\u0161\u010den odlomek postane visokoenergijski izstrelek.<\/li>\n<li>Temu sledijo obse\u017ene sekundarne po\u0161kodbe ohi\u0161ja in komponent za njim.<\/li>\n<li>Predstavlja resni\u010dno varnostno tveganje za osebje v bli\u017eini.<\/li>\n<\/ul>\n<h2>6. Prepre\u010devanje in ubla\u017eitev<\/h2>\n<h3>Faza na\u010drtovanja<\/h3>\n<ul>\n<li><strong>analiza Campbell diagrama:<\/strong> a <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/campbell-diagram\/\">Campbellov diagram<\/a> napoveduje, kje se naravne frekvence lopatic sekajo z vzbujevalnimi \u010drtami v celotnem obmo\u010dju hitrosti \u2014 iste informacije, ki jih <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/interference-diagram\/\">interferen\u010dni diagram<\/a> predstavlja za sestave rezil.<\/li>\n<li><strong>Ustrezna lo\u010ditev:<\/strong> zagotoviti, da se naravne frekvence lopatic ne ujemajo z nobenim virom vzbujanja znotraj obratovalnega obmo\u010dja.<\/li>\n<li><strong>Ugla\u0161evanje lopatic:<\/strong> prilagoditi togost lopatice, da se njene naravne frekvence premaknejo stran od vzbujanj.<\/li>\n<li><strong>Vgrajena du\u0161itev:<\/strong> vklju\u010dijo du\u0161ilce s trenjem, krmilo ali premaze za du\u0161enje.<\/li>\n<\/ul>\n<p>Za lopatice turbin je ta analiza rutinska; <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/turbine-blade-frequency-calculator\/\">orodje za lastne frekvence turbin in Campbellov diagram<\/a> podpira umestitev oblik nihanja lopatic glede na rede vzbujanja, ki se jim morajo izogniti.<\/p>\n<h3>Operativne re\u0161itve<\/h3>\n<ul>\n<li><strong>Sprememba hitrosti:<\/strong> obratovati pri hitrosti, ki se izogiba resonanci.<\/li>\n<li><strong>Regulacija pretoka:<\/strong> prilagoditi delovno to\u010dko za zmanj\u0161anje vzbujevalne sile.<\/li>\n<li><strong>Prepovedana hitrostna obmo\u010dja:<\/strong> dolo\u010diti in uveljavljati obmo\u010dja hitrosti, ki se jim je treba izogniti, ko je resonanca identificirana.<\/li>\n<\/ul>\n<h3>Re\u0161itve za modifikacije<\/h3>\n<ul>\n<li><strong>Oja\u010danje rezil:<\/strong> dodati material, rebra ali vez med lopaticami za zvi\u0161anje frekvence.<\/li>\n<li><strong>Spremenite \u0161tevilo lopatic:<\/strong> to spremeni tako frekvenco lopatic kot vzorec vzbujanja, saj \u0161tevilo dolo\u010da <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/blade-passing-frequency\/\">frekvenca minljenja rezila<\/a>; <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/blade-pass-frequency\/\">kalkulator frekvence minljenja rezila<\/a> pomaga preveriti, da novo \u0161tevilo ne premakne le problema na drugo mesto.<\/li>\n<li><strong>Du\u0161ilni tretmaji:<\/strong> nanesti du\u0161enje z omejevalnim slojem na lopatice.<\/li>\n<li><strong>Odstranite vir vzbujanja:<\/strong> spremeniti motnje toka iz toka navzgor, ki poganjajo resonanco.<\/li>\n<\/ul>\n<h2>7. Primeri iz industrije<\/h2>\n<h3>Ventilatorji z induciranim potiskom (elektrane)<\/h3>\n<ul>\n<li>Veliki ventilatorji premera 10\u201320 ft z dolgimi lopaticami.<\/li>\n<li>Lastne frekvence lopatic v obmo\u010dju 50\u2013200 Hz.<\/li>\n<li>Te se lahko ujemajo s frekvencami prehoda lopatic ali elektromagnetnimi frekvencami motorja.<\/li>\n<li>Ta kombinacija je v preteklosti povzro\u010dila katastrofalne okvare lopatic, zato so tak\u0161ni ventilatorji med najpogosteje dokumentiranimi <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/fan-defects\/\">napake na ventilatorju<\/a>.<\/li>\n<\/ul>\n<h3>Plinske turbine<\/h3>\n<ul>\n<li>Visokohitrostne lopatice kompresorjev in turbin.<\/li>\n<li>Frekvence rezil se razprostirajo pribli\u017eno med 500\u20135000 Hz.<\/li>\n<li>Zahtevajo sofisticirano analizo med oblikovanjem.<\/li>\n<li>Pogosto opremljeni z nadzorom \u010dasa konca rezila pri kriti\u010dnih obratovanjih.<\/li>\n<\/ul>\n<h3>Ventilatorji za ogrevanje, prezra\u010devanje in klimatizacijo<\/h3>\n<ul>\n<li>Obi\u010dajno manj kriti\u010dni, zahvaljujo\u010d ni\u017ejim hitrostim in napetostim.<\/li>\n<li>Tu se resonanca pogosteje ka\u017ee kot motnja hrupa kot pa kot strukturna gro\u017enja.<\/li>\n<li>Obi\u010dajno se re\u0161uje s spremembo hitrosti ali skromnim oja\u010danjem rezil.<\/li>\n<\/ul>\n<h2>8. Vloga uravnote\u017eenja in terenskih meritev<\/h2>\n<p>\u010ceprav je resonanca rezil v osnovi strukturni in aerodinami\u010dni problem, je mehansko vzbujanje, ki jo lahko spro\u017ei, v veliki meri obvladljivo na terenu. Neuravnote\u017eenost rotorja vna\u0161a silo 1\u00d7 v rezila pri vsaki vrtljaju, zato dobro uravnote\u017een rotor odpravlja eno od bolj prepre\u010dljivih vzbujalnih poti \u2014 in zmanj\u0161uje sinhronsko obremenitev korenov rezil. Prenosni dvokanalni analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> omogo\u010da tehni\u010darju uravnote\u017eenje ventilatorja ali impelerja v lastnih le\u017eajih pri delovni hitrosti ter snemanje spektra vibracij ohi\u0161ja, kjer izrazit ton blizu znane frekvence rezila lahko signalizira nastajajo\u010do resonanco za podrobnej\u0161o, specialisti\u010dno preiskavo. Zmanj\u0161anje neuravnote\u017eenosti in <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/misalignment\/\">neporavnanost gredi<\/a> samo po sebi ne bo odpravilo prave resonance rezil \u2014 za to je potreben premik frekvence ali dodano du\u0161enje \u2014 toda odpravlja mehansko vzbujanje, ki tako pogosto potisne mejno konstrukcijo \u010dez rob.<\/p>\n<p>Resonanca rezil je specializiran pojav vibracij, ki se nahaja na sti\u010di\u0161\u010du strukturne dinamike in interakcije fluid\u2013struktura. \u010ceprav je potencialno katastrofalna, jo je mogo\u010de prepre\u010diti z ustrezno analizo na\u010drtovanja, se ji izogniti z omejitvami obratovanja ali jo ubla\u017eiti s strukturno modifikacijo \u2014 s \u010dimer se zagotavlja varno in zanesljivo delovanje lopaticastih strojev od ventilatorjev HVAC do plinskih turbin.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/\">\u2190 Nazaj na glavno kazalo<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Spoznajte resonanco lopatic in oja\u010danje vibracij, ko se vzbujevalne frekvence ujemajo z naravnimi frekvencami lopatic, kar povzro\u010da utrujenost zaradi visokih ciklov in morebitno odpoved lopatic.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-58","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/58\/revisions"}],"predecessor-version":[{"id":101425,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/58\/revisions\/101425"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=58"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=58"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=58"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}