{"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\/sk\/glossary\/blade-resonance\/","title":{"rendered":"\u010co je rezonancia lopatiek? Vibr\u00e1cie ventil\u00e1tora a turb\u00edny"},"content":{"rendered":"<h1>Pochopenie rezonancie \u010depele<\/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\/sk\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed 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=\"Kompletn\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\u00ed Balanset-1A\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed 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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">\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=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed Balanset-1A zbl\u00edzka\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\u00ed<\/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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\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=\"Optick\u00fd senzor (laserov\u00fd tachometer)\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1klad\u0148a.\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60-kgf\">Magnetick\u00fd stojan 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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/wp-json\/wp\/v2\/glossary\/58?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/58?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">\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=\"Reflexn\u00e1 p\u00e1ska\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 p\u00e1ska<\/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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &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=\"Obsah s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"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> + DPH (ak sa uplat\u0148uje)<\/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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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>Rezonancia lopatiek<\/strong> je <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a> stav, pri ktorom jednotliv\u00e9 lopatky alebo lopatkov\u00e9 listy vo ventil\u00e1tore, kompresore, turb\u00edne alebo \u010derpadle kmitaj\u00fa na jednej zo svojich <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e9 frekvencie<\/a> v reakcii na budenie od aerodynamick\u00fdch s\u00edl, mechanickej vibr\u00e1cie alebo elektromagnetick\u00fdch javov. Ke\u010f sa budiaca frekvencia stretne s vlastnou frekvenciou lopatky&#8217;, kmitanie lopatky sa dramaticky zosiln\u00ed, \u010d\u00edm vznikaj\u00fa vysok\u00e9 striedav\u00e9 nap\u00e4tia, ktor\u00e9 poh\u00e1\u0148aj\u00fa vysokocyklov\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fatigue\/\">\u00fanava<\/a> praskanie a v kone\u010dnom d\u00f4sledku poruchu lopatky. Je to obzvl\u00e1\u0161\u0165 z\u00e1kern\u00fd jav, preto\u017ee jedin\u00e1 rezonuj\u00faca lopatka m\u00f4\u017ee by\u0165 pri meraniach vibr\u00e1ci\u00ed na lo\u017eiskovej skrini, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa pri be\u017enom monitorovan\u00ed, takmer nevidite\u013en\u00e1, hoci t\u00e1to lopatka zn\u00e1\u0161a de\u0161trukt\u00edvne nap\u00e4tie. Rezonancia lopatiek je preto prvoradou kon\u0161truk\u010dnou \u00favahou v turbostrojoch a takou, ktor\u00e1 sa m\u00f4\u017ee prejavi\u0165 v priemyselnom ventil\u00e1tore v\u017edy, ke\u010f sa jeho prev\u00e1dzkov\u00e9 podmienky odch\u00fdlia od p\u00f4vodn\u00e9ho kon\u0161truk\u010dn\u00e9ho z\u00e1meru.<\/p>\n<h2>1. Vlastn\u00e9 frekvencie lopatiek<\/h2>\n<h3>Z\u00e1kladn\u00e9 re\u017eimy<\/h3>\n<p>Ka\u017ed\u00e1 lopatka je sama osebe pru\u017enou \u0161trukt\u00farou s nieko\u013ek\u00fdmi odli\u0161n\u00fdmi m\u00f3dmi kmitania:<\/p>\n<h4>Prv\u00fd re\u017eim oh\u00fdbania<\/h4>\n<ul>\n<li>Jednoduch\u00fd vetran\u00fd ohyb s vych\u00fdlen\u00edm \u0161pi\u010dky lopatky.<\/li>\n<li>Najni\u017e\u0161ia vlastn\u00e1 frekvencia lopatky.<\/li>\n<li>Naj\u013eah\u0161ie buden\u00fd, a preto naj\u010dastej\u0161ie problematick\u00fd.<\/li>\n<li>Zvy\u010dajne 100\u20132000 Hz, v z\u00e1vislosti od ve\u013ekosti a tuhosti lopatky.<\/li>\n<\/ul>\n<h4>Druh\u00fd re\u017eim oh\u00fdbania<\/h4>\n<ul>\n<li>Ohybov\u00fd vzor v tvare p\u00edsmena S s uzlom pozd\u013a\u017e lopatky.<\/li>\n<li>Vy\u0161\u0161ia frekvencia \u2014 zvy\u010dajne 3\u20135\u00d7 viac ako prv\u00fd m\u00f3d.<\/li>\n<li>Menej \u010dasto buden\u00e9, ale \u00faplne mo\u017en\u00e9.<\/li>\n<\/ul>\n<h4>Torzn\u00fd re\u017eim<\/h4>\n<ul>\n<li>Skr\u00fatenie lopatky okolo jej vlastnej osi.<\/li>\n<li>Jej frekvencia z\u00e1vis\u00ed od geometrie lopatky a od sp\u00f4sobu jej uchytenia.<\/li>\n<li>\u013dahko sa budia neust\u00e1len\u00fdmi aerodynamick\u00fdmi silami, ktor\u00e9 sa silno via\u017eu na kr\u00fatenie.<\/li>\n<\/ul>\n<h3>Faktory ovplyv\u0148uj\u00face prirodzen\u00fa frekvenciu \u010depele<\/h3>\n<ul>\n<li><strong>D\u013a\u017eka lopatky:<\/strong> dlh\u0161ie lopatky maj\u00fa ni\u017e\u0161ie vlastn\u00e9 frekvencie.<\/li>\n<li><strong>Hr\u00fabka:<\/strong> hrub\u0161ie lopatky s\u00fa tuh\u0161ie a rezonuj\u00fa na vy\u0161\u0161\u00edch frekvenci\u00e1ch.<\/li>\n<li><strong>Materi\u00e1l:<\/strong> pomer tuhosti k hustote ur\u010duje frekvenciu pre dan\u00fd tvar.<\/li>\n<li><strong>Mont\u00e1\u017e:<\/strong> tuhos\u0165 uchytenia fixuje okrajov\u00e9 podmienky, \u010d\u00edm pos\u00fava ka\u017ed\u00fd m\u00f3d.<\/li>\n<li><strong>Odstrediv\u00e9 spevnenie:<\/strong> pri ot\u00e1\u010dan\u00ed odstrediv\u00e9 nap\u00e4tie v lopatke zvy\u0161uje jej zdanliv\u00fa tuhos\u0165 a zvy\u0161uje jej vlastn\u00e9 frekvencie \u2014 preto sa frekvencie lopatky musia hodnoti\u0165 pri prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach, nie v pokoji.<\/li>\n<\/ul>\n<p>Tento posledn\u00fd efekt, odstrediv\u00e9 spevnenie, je d\u00f4vodom, pre\u010do nemo\u017eno rezonanciu lopatky pos\u00fadi\u0165 len zo statickej sk\u00fa\u0161ky na stojane; to ist\u00e9 odstrediv\u00e9 pole, ktor\u00e9 lopatku spev\u0148uje, z\u00e1rove\u0148 nam\u00e1ha jej kore\u0148, \u010do je za\u0165a\u017eenie, ktor\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/fan-blade-centrifugal-force\/\">kalkula\u010dka odstredivej sily lopatky ventil\u00e1tora<\/a> can quantify.<\/p>\n<h2>2. Zdroje budenia<\/h2>\n<h3>Aerodynamick\u00e9 budenie<\/h3>\n<h4>Pr\u00fadov\u00e9 poruchy<\/h4>\n<ul>\n<li>Podporn\u00e9 vzpery alebo vodiace lopatky pred rotorom vytv\u00e1raj\u00fa \u00faplavy, ktor\u00fdmi lopatky prech\u00e1dzaj\u00fa.<\/li>\n<li>Po\u010det por\u00fach vyn\u00e1soben\u00fd ot\u00e1\u010dkami rotora ur\u010duje frekvenciu budenia.<\/li>\n<li>Ak sa tento s\u00fa\u010din zhoduje s vlastnou frekvenciou lopatky, nasleduje rezonancia.<\/li>\n<\/ul>\n<h4>Turbulencia pr\u00fadenia<\/h4>\n<ul>\n<li>Neust\u00e1len\u00e9 pr\u00fadenie poskytuje \u0161irokop\u00e1smov\u00e9, n\u00e1hodn\u00e9 budenie prostredn\u00edctvom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/turbulence\/\">turbulencia pr\u00fadenia<\/a>.<\/li>\n<li>M\u00f4\u017ee vybudi\u0165 m\u00f3d lopatky v\u017edy, ke\u010f nesie energiu na spr\u00e1vnej frekvencii.<\/li>\n<li>Je be\u017en\u00fd pri prev\u00e1dzke mimo n\u00e1vrhov\u00e9ho bodu, kde pr\u00fadenie u\u017e lopatky nesleduje \u010disto.<\/li>\n<\/ul>\n<h4>Akustick\u00e1 rezonancia<\/h4>\n<ul>\n<li>V potrub\u00ed sa m\u00f4\u017eu vytv\u00e1ra\u0165 stojat\u00e9 akustick\u00e9 vlny.<\/li>\n<li>Ich tlakov\u00e9 pulz\u00e1cie m\u00f4\u017eu lopatky budi\u0165 priamo.<\/li>\n<li>Nebezpe\u010denstvo vrchol\u00ed, ke\u010f sa akustick\u00fd m\u00f3d spoj\u00ed so \u0161truktur\u00e1lnym m\u00f3dom lopatky pri rovnakej frekvencii.<\/li>\n<\/ul>\n<h3>Mechanick\u00e9 budenie<\/h3>\n<ul>\n<li>Rotor <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> \u010d\u00edm vznik\u00e1 vibr\u00e1cia 1\u00d7, ktor\u00e1 sa pren\u00e1\u0161a do lopatiek.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">Nespr\u00e1vne zarovnanie<\/a> prispieva k budeniu 2\u00d7.<\/li>\n<li>Poruchy lo\u017e\u00edsk vn\u00e1\u0161aj\u00face do rotora vysokofrekven\u010dn\u00e9 vibr\u00e1cie.<\/li>\n<li>Prenos vibr\u00e1ci\u00ed z\u00e1kladu alebo telesa cez kon\u0161trukciu do lopatiek.<\/li>\n<\/ul>\n<h3>Elektromagnetick\u00e9 budenie (motorom poh\u00e1\u0148an\u00e9 ventil\u00e1tory)<\/h3>\n<ul>\n<li>Zlo\u017eka s dvojn\u00e1sobkom sie\u0165ovej frekvencie (2\u00d7) poch\u00e1dzaj\u00faca z motora.<\/li>\n<li>Str\u00e1nka <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/pole-pass-frequency\/\">frekvencia prechodu p\u00f3lov<\/a>.<\/li>\n<li>Ak ktor\u00e1ko\u013evek z nich le\u017e\u00ed bl\u00edzko vlastnej frekvencie lopatky, vznik\u00e1 mo\u017enos\u0165 rezonancie \u2014 tak\u017ee motorom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/electrical-frequency\/\">frekvencia elektrickej siete<\/a> patr\u00ed do ka\u017ed\u00e9ho pos\u00fadenia rezonancie lopatiek priamo poh\u00e1\u0148an\u00e9ho ventil\u00e1tora.<\/li>\n<\/ul>\n<h2>3. Pr\u00edznaky a detekcia<\/h2>\n<h3>Vibra\u010dn\u00e9 charakteristiky<\/h3>\n<ul>\n<li><strong>Vysokofrekven\u010dn\u00e1 zlo\u017eka<\/strong> na vlastnej frekvencii lopatky, \u010dasto v rozsahu 200\u20132000 Hz.<\/li>\n<li><strong>Z\u00e1vislos\u0165 od r\u00fdchlosti:<\/strong> objavuje sa len pri \u0161pecifick\u00fdch prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach, kde doch\u00e1dza k zhode.<\/li>\n<li><strong>Mo\u017eno mierne na lo\u017eisk\u00e1ch:<\/strong> ke\u010f\u017ee vibr\u00e1cie lopatiek s\u00fa lokalizovan\u00e9, m\u00f4\u017eu sa v meraniach na lo\u017eiskovom telese prejavi\u0165 len slabo.<\/li>\n<li><strong>Smerov\u00e9:<\/strong> m\u00f4\u017eu by\u0165 silnej\u0161ie v ur\u010dit\u00fdch smeroch merania.<\/li>\n<\/ul>\n<h3>Akustick\u00e9 indik\u00e1tory<\/h3>\n<ul>\n<li>Vysokofrekven\u010dn\u00fd kv\u00edliv\u00fd alebo p\u00edskav\u00fd zvuk na rezonan\u010dnej frekvencii.<\/li>\n<li>T\u00f3nov\u00fd hluk zrete\u013ene odli\u0161n\u00fd od be\u017en\u00e9ho zvuku prev\u00e1dzky.<\/li>\n<li>Pr\u00edtomn\u00e9 iba pri ur\u010dit\u00fdch r\u00fdchlostiach alebo podmienkach pr\u00fadenia<\/li>\n<li>\u010casto n\u00e1padne hlasn\u00fd, aj ke\u010f s\u00fa nameran\u00e9 vibr\u00e1cie len mierne.<\/li>\n<\/ul>\n<h3>Fyzick\u00e9 d\u00f4kazy<\/h3>\n<ul>\n<li><strong>Vidite\u013en\u00fd pohyb lopatiek:<\/strong> chvenie alebo vibr\u00e1cie jednotliv\u00fdch lopatiek, ktor\u00e9 mo\u017eno niekedy pozorova\u0165 stroboskopom.<\/li>\n<li><strong>Fatigue cracks<\/strong> pri kore\u0148och lopatiek alebo in\u00fdch koncentr\u00e1ci\u00e1ch nap\u00e4tia.<\/li>\n<li><strong>Trenie:<\/strong> stopy opotrebenia v mieste uchytenia lopatky, ktor\u00e9 prezr\u00e1dzaj\u00fa relat\u00edvny pohyb.<\/li>\n<li><strong>Broken blades:<\/strong> kone\u010dn\u00fd d\u00f4sledok, ak sa rezonancia neodstr\u00e1ni.<\/li>\n<\/ul>\n<h2>4. Probl\u00e9my detekcie<\/h2>\n<h3>Pre\u010do je rezonanciu lopatiek \u0165a\u017ek\u00e9 zisti\u0165<\/h3>\n<ul>\n<li>Pohyb lopatiek sa do lo\u017eiskov\u00e9ho telesa nepren\u00e1\u0161a silno.<\/li>\n<li>\u0160tandardn\u00e9 akcelerometre namontovan\u00e9 na lo\u017eisk\u00e1ch ju m\u00f4\u017eu \u00faplne prehliadnu\u0165.<\/li>\n<li>Vibr\u00e1cie s\u00fa lokalizovan\u00e9 na jednotliv\u00e9 lopatky, nie s\u00fa rozlo\u017een\u00e9 po celom rotore.<\/li>\n<li>Spo\u013eahliv\u00e1 detekcia m\u00f4\u017ee vy\u017eadova\u0165 \u0161pecializovan\u00e9 meracie techniky zameran\u00e9 priamo na lopatky.<\/li>\n<\/ul>\n<h3>Pokro\u010dil\u00e9 met\u00f3dy detekcie<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-tip-timing\/\">\u010casovanie hrotu lopatky<\/a>:<\/strong> bezkontaktn\u00e9 sn\u00edma\u010de meraj\u00fa \u010das prechodu ka\u017edej lopatky&#8217;a, aby z neho odvodili jej priehyb, lopatku po lopatke.<\/li>\n<li><strong>Strain gauges:<\/strong> nalepen\u00e9 na lopatky na priame meranie nap\u00e4tia, vy\u017eaduj\u00face rotor <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/telemetry\/\">telemetria<\/a> na prenos sign\u00e1lu z rotuj\u00faceho rotora.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/laser-vibrometry\/\">Laserov\u00e1 vibrometria<\/a>:<\/strong> bezkontaktn\u00e9 optick\u00e9 meranie pohybu lopatiek.<\/li>\n<li><strong>Akustick\u00e9 monitorovanie:<\/strong> mikrof\u00f3ny alebo akcelerometre montovan\u00e9 na skri\u0148u umiestnen\u00e9 bl\u00edzko lopatiek.<\/li>\n<\/ul>\n<h2>5. D\u00f4sledky rezonancie lopatiek<\/h2>\n<h3>Vysokocyklov\u00e1 \u00fanava<\/h3>\n<ul>\n<li>Rezonancia vyvol\u00e1va ve\u013ek\u00e9 striedav\u00e9 nap\u00e4tie v koreni lopatky.<\/li>\n<li>Pri stovk\u00e1ch hertzov sa mili\u00f3ny nap\u00e4\u0165ov\u00fdch cyklov nahromadia za pouh\u00e9 hodiny alebo dni.<\/li>\n<li>\u00danavov\u00e9 trhliny vznikaj\u00fa a n\u00e1sledne sa pod t\u00fdmto cyklick\u00fdm za\u0165a\u017een\u00edm \u0161\u00edria.<\/li>\n<li>Porucha m\u00f4\u017ee pr\u00eds\u0165 n\u00e1hle, s mal\u00fdm predch\u00e1dzaj\u00facim varovan\u00edm na lo\u017eisk\u00e1ch.<\/li>\n<\/ul>\n<p>Ke\u010f\u017ee po\u0161kodenie je v z\u00e1sade \u00fanavov\u00fdm procesom, amplit\u00fada striedav\u00e9ho nap\u00e4tia a po\u010det cyklov ur\u010duj\u00fa, ako dlho lopatka vydr\u017e\u00ed \u2014 vz\u0165ah zachyten\u00fd krivkou S-N a uchopite\u013en\u00fd pomocou <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/fatigue-life-calculator\/\">kalkul\u00e1tor \u00fanavovej \u017eivotnosti<\/a>.<\/p>\n<h3>Oslobodenie \u010depele<\/h3>\n<ul>\n<li>Cel\u00e1 lopatka sa oddel\u00ed od rotora v d\u00f4sledku \u00fanavovej poruchy.<\/li>\n<li>Straten\u00e1 hmotnos\u0165 sp\u00f4sob\u00ed z\u00e1va\u017en\u00fa, okam\u017eit\u00fa nevyv\u00e1\u017eenos\u0165.<\/li>\n<li>Uvo\u013enen\u00fd \u00falomok sa stane vysokoenergetick\u00fdm projektilom.<\/li>\n<li>Nasleduje rozsiahle sekund\u00e1rne po\u0161kodenie skrine a komponentov po pr\u00fade.<\/li>\n<li>Predstavuje skuto\u010dn\u00e9 bezpe\u010dnostn\u00e9 riziko pre osoby v okol\u00ed.<\/li>\n<\/ul>\n<h2>6. Prevencia a zmiernenie<\/h2>\n<h3>F\u00e1za n\u00e1vrhu<\/h3>\n<ul>\n<li><strong>Anal\u00fdza Campbellovho diagramu:<\/strong> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/campbell-diagram\/\">Campbellov diagram<\/a> predpoved\u00e1, kde sa vlastn\u00e9 frekvencie lopatiek pret\u00ednaj\u00fa s budiacimi l\u00edniami v celom rozsahu ot\u00e1\u010dok \u2014 rovnak\u00e1 inform\u00e1cia, ak\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/interference-diagram\/\">interferen\u010dn\u00fd diagram<\/a> sa vyskytuje pri lopatkov\u00fdch zostav\u00e1ch.<\/li>\n<li><strong>Dostato\u010dn\u00e9 oddelenie:<\/strong> zabezpe\u010dte, aby sa vlastn\u00e9 frekvencie lopatiek nezhodovali so \u017eiadnym zdrojom budenia v r\u00e1mci prev\u00e1dzkov\u00e9ho rozsahu.<\/li>\n<li><strong>Ladenie lopatiek:<\/strong> upravte tuhos\u0165 lopatky tak, aby sa jej vlastn\u00e9 frekvencie posunuli mimo budiacich frekvenci\u00ed.<\/li>\n<li><strong>Kon\u0161truk\u010dne navrhnut\u00e9 tlmenie:<\/strong> zah\u0155\u0148aj\u00fa trecie tlmi\u010de, krycie p\u00e1sy alebo tlmiace povlaky.<\/li>\n<\/ul>\n<p>Pre lopatkovanie turb\u00edn je t\u00e1to anal\u00fdza be\u017en\u00e1; <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/turbine-blade-frequency-calculator\/\">n\u00e1stroj na v\u00fdpo\u010det vlastn\u00fdch frekvenci\u00ed lopatiek turb\u00edny a Campbellovho diagramu<\/a> podporuje umiestnenie vlastn\u00fdch tvarov kmitania lopatiek vo\u010di r\u00e1dom ot\u00e1\u010dok motora, ktor\u00fdm sa musia vyhn\u00fa\u0165.<\/p>\n<h3>Prev\u00e1dzkov\u00e9 rie\u0161enia<\/h3>\n<ul>\n<li><strong>Zmena r\u00fdchlosti:<\/strong> prev\u00e1dzkujte zariadenie pri ot\u00e1\u010dkach, ktor\u00e9 sa vyh\u00fdbaj\u00fa rezonancii.<\/li>\n<li><strong>Riadenie pr\u00fadenia:<\/strong> upravte pracovn\u00fd bod tak, aby sa zn\u00ed\u017eila budiaca sila.<\/li>\n<li><strong>P\u00e1sma zak\u00e1zan\u00fdch ot\u00e1\u010dok:<\/strong> po identifikovan\u00ed rezonancie stanovte a dodr\u017eiavajte rozsahy ot\u00e1\u010dok, ktor\u00fdm sa treba vyhn\u00fa\u0165.<\/li>\n<\/ul>\n<h3>Rie\u0161enia modifik\u00e1ci\u00ed<\/h3>\n<ul>\n<li><strong>Spevnenie lopatiek:<\/strong> pridajte materi\u00e1l, rebr\u00e1 alebo spojky medzi lopatky na zv\u00fd\u0161enie frekvencie.<\/li>\n<li><strong>Zmena po\u010dtu lopatiek:<\/strong> toto men\u00ed frekvenciu lopatiek aj vzor budenia, preto\u017ee po\u010det ur\u010duje <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu lopatiek<\/a>; a <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/blade-pass-frequency\/\">kalkula\u010dka frekvencie prechodu lopatiek<\/a> pom\u00e1ha overi\u0165, \u010di nov\u00fd po\u010det jednoducho nepresunie probl\u00e9m inam.<\/li>\n<li><strong>Tlmiace opatrenia:<\/strong> aplikujte tlmenie s viazanou vrstvou na lopatky.<\/li>\n<li><strong>Odstr\u00e1nenie zdroja budenia:<\/strong> upravte poruchy pr\u00fadenia v pr\u00fade pred zariaden\u00edm, ktor\u00e9 sp\u00f4sobuj\u00fa rezonanciu.<\/li>\n<\/ul>\n<h2>7. Pr\u00edklady z priemyslu<\/h2>\n<h3>Ventil\u00e1tory s indukovan\u00fdm \u0165ahom (elektr\u00e1rne)<\/h3>\n<ul>\n<li>Ve\u013ek\u00e9 ventil\u00e1tory s priemerom 10 \u2013 20 st\u00f4p, nes\u00face dlh\u00e9 lopatky.<\/li>\n<li>Vlastn\u00e9 frekvencie lopatiek v rozsahu 50 \u2013 200 Hz.<\/li>\n<li>Tieto sa m\u00f4\u017eu zhodova\u0165 s frekvenciami prechodu lopatiek alebo elektromagnetick\u00fdmi frekvenciami motora.<\/li>\n<li>T\u00e1to kombin\u00e1cia historicky sp\u00f4sobovala katastrof\u00e1lne poruchy lopatiek, a preto s\u00fa tak\u00e9to ventil\u00e1tory v\u00fdrazne zast\u00fapen\u00e9 medzi zdokumentovan\u00fdmi <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fan-defects\/\">fan defects<\/a>.<\/li>\n<\/ul>\n<h3>Plynov\u00e9 turb\u00edny<\/h3>\n<ul>\n<li>Vysokoot\u00e1\u010dkov\u00e9 lopatky kompresorov a turb\u00edn.<\/li>\n<li>Frekvencie lopatiek pribli\u017ene v rozsahu 500\u20135000 Hz.<\/li>\n<li>Vy\u017eaduj\u00fa sofistikovan\u00fa anal\u00fdzu u\u017e po\u010das n\u00e1vrhu.<\/li>\n<li>V kritick\u00fdch prev\u00e1dzkach \u010dasto vybaven\u00e9 monitorovan\u00edm \u010dasovania \u0161pi\u010diek lopatiek (blade-tip-timing).<\/li>\n<\/ul>\n<h3>Ventil\u00e1tory HVAC<\/h3>\n<ul>\n<li>Zvy\u010dajne menej kritick\u00e9 v\u010faka ni\u017e\u0161\u00edm ot\u00e1\u010dkam a nam\u00e1haniu.<\/li>\n<li>Tu sa rezonancia \u010dastej\u0161ie prejavuje ako hlukov\u00e1 nepr\u00edjemnos\u0165 ne\u017e ako kon\u0161truk\u010dn\u00e1 hrozba.<\/li>\n<li>Zvy\u010dajne sa rie\u0161i zmenou ot\u00e1\u010dok alebo miernym spevnen\u00edm lopatiek.<\/li>\n<\/ul>\n<h2>8. \u00daloha vyva\u017eovania a meran\u00ed v ter\u00e9ne<\/h2>\n<p>Hoci je rezonancia lopatiek predov\u0161etk\u00fdm \u0161truktur\u00e1lnym a aerodynamick\u00fdm probl\u00e9mom, mechanick\u00e9 budenie, ktor\u00e9 ju m\u00f4\u017ee spusti\u0165, je v ter\u00e9ne do ve\u013ekej miery ovl\u00e1date\u013en\u00e9. Nevyv\u00e1\u017eenos\u0165 rotora priv\u00e1dza do lopatiek silu 1\u00d7 pri ka\u017edej ot\u00e1\u010dke, tak\u017ee udr\u017eiavanie rotora v dobre vyv\u00e1\u017eenom stave odstra\u0148uje jednu z \u013eah\u0161ie odstr\u00e1nite\u013en\u00fdch ciest budenia \u2014 a zni\u017euje synchr\u00f3nne za\u0165a\u017eenie p\u00e4tiek lopatiek. Prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor, ako napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje technikovi vyv\u00e1\u017ei\u0165 ventil\u00e1tor alebo obe\u017en\u00e9 koleso vo vlastn\u00fdch lo\u017eisk\u00e1ch pri prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach a zaznamena\u0165 spektrum vibr\u00e1ci\u00ed skrine, kde ostr\u00fd t\u00f3n v bl\u00edzkosti zn\u00e1mej frekvencie lopatiek m\u00f4\u017ee signalizova\u0165 vznikaj\u00facu rezonanciu na bli\u017e\u0161ie, \u0161pecializovan\u00e9 presk\u00famanie. Zn\u00ed\u017eenie nevyv\u00e1\u017eenosti a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nespr\u00e1vne zarovnanie<\/a> samo osebe nevylie\u010di skuto\u010dn\u00fa rezonanciu lopatiek \u2014 t\u00e1 si vy\u017eaduje posun frekvencie alebo pridan\u00e9 tlmenie \u2014 ale odstr\u00e1ni mechanick\u00e9 budenie, ktor\u00e9 tak \u010dasto posunie hrani\u010dn\u00fd n\u00e1vrh za hranicu.<\/p>\n<p>Rezonancia lopatiek je \u0161pecializovan\u00fd vibra\u010dn\u00fd jav, ktor\u00fd sa nach\u00e1dza na priese\u010dn\u00edku \u0161truktur\u00e1lnej dynamiky a interakcie medzi tekutinou a \u0161trukt\u00farou. Hoci je potenci\u00e1lne katastrofick\u00e1, d\u00e1 sa jej pred\u00eds\u0165 spr\u00e1vnou anal\u00fdzou n\u00e1vrhu, vyhn\u00fa\u0165 sa jej prev\u00e1dzkov\u00fdmi obmedzeniami alebo ju zmierni\u0165 \u0161truktur\u00e1lnou \u00fapravou \u2014 \u010d\u00edm sa zabezpe\u010d\u00ed bezpe\u010dn\u00e1 a spo\u013eahliv\u00e1 prev\u00e1dzka lopatkov\u00fdch strojov od ventil\u00e1torov HVAC a\u017e po plynov\u00e9 turb\u00edny.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z\u00edskajte inform\u00e1cie o rezonancii lopatky a zosilnen\u00ed vibr\u00e1ci\u00ed, ke\u010f sa budiace frekvencie zhoduj\u00fa s vlastn\u00fdmi frekvenciami lopatky, \u010do sp\u00f4sobuje \u00fanavu pri vysok\u00fdch cykloch a potenci\u00e1lne zlyhanie lopatky.<\/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\/sk\/wp-json\/wp\/v2\/glossary\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/58\/revisions"}],"predecessor-version":[{"id":101425,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/58\/revisions\/101425"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=58"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=58"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=58"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}