{"id":125,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/frame-resonance\/"},"modified":"2026-05-23T22:51:28","modified_gmt":"2026-05-23T22:51:28","slug":"frame-resonance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/frame-resonance\/","title":{"rendered":"\u010co je rezonancia r\u00e1mu? Vibr\u00e1cie kon\u0161trukcie stroja"},"content":{"rendered":"<h1>Pochopenie rezonancie r\u00e1mu<\/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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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\/125?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 r\u00e1mu<\/strong> je \u0161pecifickou formou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/structural-resonance\/\">\u0161truktur\u00e1lna rezonancia<\/a> v ktorej vlastn\u00fd r\u00e1m stroja, teleso, kryt alebo pl\u00e1\u0161\u0165 vibruje na jednej zo svojich <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e9 frekvencie<\/a> v reakcii na budenie od rotuj\u00facich komponentov. Na rozdiel od z\u00e1kladov alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/pedestal-looseness\/\">pedestal<\/a> rezonanci\u00ed, ktor\u00e9 zah\u0155\u0148aj\u00fa nosn\u00fa kon\u0161trukciu pod strojom, rezonancia r\u00e1mu \u017eije v samotnom tele stroja \u2014 v liatinovej alebo zv\u00e1ranej oce\u013eovej kon\u0161trukcii, ktor\u00e1 uzatv\u00e1ra rotuj\u00face prvky. Ke\u010f budiaca frekvencia dopadne na vlastn\u00fa frekvenciu r\u00e1mu, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a> zosiln\u00ed pohyb \u010faleko nad r\u00e1mec toho, \u010do by samotn\u00e1 budiaca sila sp\u00f4sobila.<\/p>\n<p>Rezonancia r\u00e1mu je be\u017en\u00e1 u strojov s ve\u013ek\u00fdmi, relat\u00edvne \u013eahk\u00fdmi telesami \u2014 ventil\u00e1toroch, d\u00fachadl\u00e1ch, \u010derpadl\u00e1ch a motoroch. Zvy\u010dajne sa prejavuje nadmern\u00fdm hlukom, vidite\u013en\u00fdmi vibr\u00e1ciami krytov alebo panelov a vysok\u00fdmi <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> hodnotami na r\u00e1me, ktor\u00e9 s\u00fa \u00faplne ne\u00famern\u00e9 skuto\u010dn\u00fdm vibr\u00e1ci\u00e1m rotora. Ke\u010f\u017ee pr\u00edznak vyzer\u00e1 alarmuj\u00faco, rezonancia r\u00e1mu patr\u00ed medzi naj\u010dastej\u0161ie nespr\u00e1vne diagnostikovan\u00e9 probl\u00e9my v praxi: analytik vid\u00ed obrovsk\u00fa hodnotu a ods\u00fadi dokonale vyv\u00e1\u017een\u00fd rotor.<\/p>\n<h2>1. Defin\u00edcia: \u010co je rezonancia r\u00e1mu?<\/h2>\n<p>Ka\u017ed\u00e1 kon\u0161trukcia m\u00e1 s\u00fabor vlastn\u00fdch frekvenci\u00ed a pr\u00edslu\u0161n\u00fdch tvarov kmitania, pri ktor\u00fdch sa s ob\u013eubou oh\u00fdba. R\u00e1m stroja nie je v\u00fdnimkou. Jeho steny, lo\u017eiskov\u00e9 \u0161t\u00edty, p\u00e4ty a panely maj\u00fa ohybov\u00e9 a torzn\u00e9 m\u00f3dy a tenk\u00fd kryc\u00ed panel m\u00f4\u017ee ma\u0165 nieko\u013eko vlastn\u00fdch m\u00f3dov v po\u010dute\u013enom rozsahu. Pokia\u013e tieto frekvencie zost\u00e1vaj\u00fa mimo budiacich frekvenci\u00ed stroja, r\u00e1m jednoducho potichu pren\u00e1\u0161a silu. Probl\u00e9my za\u010d\u00ednaj\u00fa vtedy, ke\u010f sa prev\u00e1dzkov\u00e1 frekvencia zhoduje s m\u00f3dom r\u00e1mu a kon\u0161trukcia za\u010dne zvoni\u0165.<\/p>\n<p>Charakteristick\u00fdm znakom rezonancie r\u00e1mu je <em>amplification<\/em>: r\u00e1m sa pohybuje nieko\u013ekon\u00e1sobne viac ne\u017e lo\u017eisk\u00e1, ktor\u00e9 obklopuje. Energia poch\u00e1dza z rotora, no odozva patr\u00ed kon\u0161trukcii. Pr\u00e1ve preto m\u00f4\u017eu merania vykonan\u00e9 na r\u00e1me vykazova\u0165 p\u00e4\u0165- a\u017e desa\u0165n\u00e1sobne vy\u0161\u0161ie hodnoty ne\u017e merania na lo\u017eiskovom telese vzdialenom len nieko\u013eko centimetrov. Z\u00e1kladnou vlastnos\u0165ou, ktor\u00e1 ur\u010duje, kde sa tieto m\u00f3dy nach\u00e1dzaj\u00fa, je <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/stiffness\/\">tuhos\u0165<\/a> vzh\u013eadom na hmotnos\u0165 \u2014 vystu\u017ete r\u00e1m a frekvencie st\u00fapnu; pridajte hmotnos\u0165 a klesn\u00fa.<\/p>\n<h2>2. Typick\u00e9 situ\u00e1cie rezonancie karcasy<\/h2>\n<h3>Karcasy motorov a gener\u00e1torov<\/h3>\n<ul>\n<li><strong>Vlastn\u00e9 frekvencie:<\/strong> typicky 50 \u2013 400 Hz v z\u00e1vislosti od ve\u013ekosti a kon\u0161trukcie.<\/li>\n<li><strong>Excit\u00e1cia:<\/strong> 1\u00d7 (<a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a>), 2\u00d7 sie\u0165ov\u00e1 frekvencia (120 Hz pri nap\u00e1jan\u00ed 60 Hz, 100 Hz pri 50 Hz) a elektromagnetick\u00e9 sily viazan\u00e9 na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/electrical-frequency\/\">frekvencia elektrickej siete<\/a>.<\/li>\n<li><strong>Pr\u00edznaky:<\/strong> vibr\u00e1cie r\u00e1mu ove\u013ea vy\u0161\u0161ie ne\u017e vibr\u00e1cie lo\u017e\u00edsk; po\u010dute\u013en\u00e9 hu\u010danie alebo bzu\u010danie.<\/li>\n<li><strong>Z\u00e1va\u017enos\u0165:<\/strong> r\u00e1m m\u00f4\u017ee vykazova\u0165 5 \u2013 10\u00d7 vy\u0161\u0161ie hodnoty ne\u017e lo\u017eisk\u00e1.<\/li>\n<\/ul>\n<h3>Karcasy ventil\u00e1torov a turbod\u00fachadlov<\/h3>\n<ul>\n<li><strong>Vlastn\u00e9 frekvencie:<\/strong> 20 \u2013 200 Hz pri typick\u00fdch priemyseln\u00fdch ventil\u00e1toroch.<\/li>\n<li><strong>Excit\u00e1cia:<\/strong> <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu \u010depele<\/a> (po\u010det lopatiek \u00d7 ot\u00e1\u010dky za min\u00fatu).<\/li>\n<li><strong>Pr\u00edznaky:<\/strong> Panely krytu prudko vibruj\u00fa; hlasn\u00fd aerodynamick\u00fd hluk<\/li>\n<li><strong>Charakteristika:<\/strong> m\u00f4\u017eu sa objavi\u0165 iba pri \u0161pecifick\u00fdch ot\u00e1\u010dkach alebo podmienkach pr\u00fadenia.<\/li>\n<\/ul>\n<h3>Pump casings<\/h3>\n<ul>\n<li><strong>Vlastn\u00e9 frekvencie:<\/strong> 30 \u2013 300 Hz v z\u00e1vislosti od kon\u0161trukcie telesa.<\/li>\n<li><strong>Excit\u00e1cia:<\/strong> <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vane-passing-frequency\/\">frekvencia prechodu lopatiek<\/a> a hydraulick\u00fdch pulz\u00e1ci\u00ed.<\/li>\n<li><strong>Pr\u00edznaky:<\/strong> vibr\u00e1cie telesa, hluk a riziko \u00fanavov\u00e9ho praskania.<\/li>\n<li><strong>Hydraulick\u00e9 spojenie:<\/strong> teleso naplnen\u00e9 kvapalinou m\u00f4\u017ee spoji\u0165 vibr\u00e1cie rotora a telesa, \u010do komplikuje celkov\u00fd obraz.<\/li>\n<\/ul>\n<h3>Karcasy prevodoviek<\/h3>\n<ul>\n<li>Excited by <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-mesh-frequency\/\">frekvencia z\u00e1beru ozuben\u00fdch kolies<\/a>.<\/li>\n<li>Vlastn\u00e9 frekvencie r\u00e1mu sa \u010dasto prekr\u00fdvaj\u00fa so z\u00e1berovou frekvenciou a jej harmonick\u00fdmi zlo\u017ekami.<\/li>\n<li>V rezonancii vytv\u00e1ra charakteristick\u00e9 hlasn\u00e9 kv\u00edlenie ozuben\u00fdch kolies.<\/li>\n<\/ul>\n<h2>3. Vibra\u010dn\u00e1 signat\u00fara a detekcia<\/h2>\n<h3>Charakteristick\u00e9 pr\u00edznaky<\/h3>\n<ul>\n<li><strong>Z\u00e1visl\u00e9 od miesta:<\/strong> vibr\u00e1cie sa po povrchu r\u00e1mu dramaticky l\u00ed\u0161ia \u2014 be\u017en\u00e9 s\u00fa 10\u00d7 rozdiely medzi jednotliv\u00fdmi bodmi.<\/li>\n<li><strong>Lo\u017eisko vs. karcasa:<\/strong> vibr\u00e1cia karcasy \u010faleko prevy\u0161uje vibr\u00e1ciu lo\u017eiska (\u010dasto 3\u201310\u00d7).<\/li>\n<li><strong>\u0160pecifick\u00e1 frekvencia:<\/strong> probl\u00e9m sa prejavuje len pri rezonan\u010dnej frekvencii; ostatn\u00e9 frekvencie vyzeraj\u00fa norm\u00e1lne.<\/li>\n<li><strong>Citlivos\u0165 na ot\u00e1\u010dky:<\/strong> z\u00e1va\u017en\u00e9 v \u00fazkom p\u00e1sme (\u00b110 \u2013 20 % rezonan\u010dn\u00fdch ot\u00e1\u010dok).<\/li>\n<li><strong>Visual motion:<\/strong> pohyb r\u00e1mu je \u010dasto vidite\u013en\u00fd vo\u013en\u00fdm okom.<\/li>\n<\/ul>\n<h3>Test dopadu (\u00fader)<\/h3>\n<p>Rozhoduj\u00faci test. Udrite na r\u00e1m gumen\u00fdm kladivom alebo pr\u00edstrojovo vybaven\u00fdm kladivom a zmerajte odozvu pomocou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/accelerometer\/\">akcelerometer<\/a>, a z vrcholov frekven\u010dnej charakteristiky od\u010d\u00edtajte vlastn\u00e9 frekvencie r\u00e1mu. Porovnanie t\u00fdchto vrcholov s prev\u00e1dzkov\u00fdmi frekvenciami (1\u00d7, 2\u00d7, lopatkov\u00e1 frekvencia at\u010f.) okam\u017eite odhal\u00ed ak\u00fako\u013evek nebezpe\u010dn\u00fa zhodu. Pozri <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 sk\u00fa\u0161ky<\/a> pre cel\u00fd postup.<\/p>\n<h3>Prieskum s pohybliv\u00fdm akcelerom<\/h3>\n<p>Pri be\u017eiacom stroji zmerajte vibr\u00e1cie v mnoh\u00fdch bodoch po celom r\u00e1me a zostavte mapu vibr\u00e1ci\u00ed s oblas\u0165ami vysok\u00fdch a n\u00edzkych hodn\u00f4t. Tento obrazec odhal\u00ed tvar kmitu \u2014 ohyb, kr\u00fatenie alebo preh\u00fdbanie panelu \u2014 a lokalizuje kmitne (maxim\u00e1lny pohyb) a uzly (minim\u00e1lny pohyb). \u00dapln\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/ods-analysis\/\">anal\u00fdza tvaru prev\u00e1dzky (ODS)<\/a> animuje tento pohyb a form\u00e1lna <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/modal-analysis\/\">mod\u00e1lna anal\u00fdza<\/a> extrahuje podkladov\u00e9 m\u00f3dy.<\/p>\n<h3>Meranie prenosovej funkcie<\/h3>\n<p>Zmerajte <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/coherence\/\">koherencia<\/a> medzi vibr\u00e1ciami lo\u017eiska (vstup) a vibr\u00e1ciami r\u00e1mu (v\u00fdstup). Vysok\u00e1 koherencia pri konkr\u00e9tnej frekvencii potvrdzuje, \u017ee pohyb r\u00e1mu je vyvolan\u00fd rotorov\u00fdm buden\u00edm a je s n\u00edm v rezonancii. Samotn\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/transfer-function\/\">prenosov\u00e1 funkcia<\/a> kvantifikuje \u010dinite\u013e zosilnenia.<\/p>\n<h2>4. Potvrdenie rezonancie v ter\u00e9ne<\/h2>\n<p>Sk\u00f4r ne\u017e sa ak\u00e1ko\u013evek kon\u0161trukcia spevn\u00ed alebo sa dotkne rotora, treba diagn\u00f3zu potvrdi\u0165 \u2014 a to znamen\u00e1 zmera\u0165 skuto\u010dn\u00e9 spr\u00e1vanie rotora oddelene od r\u00e1mu. Prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor, ako je <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> to rob\u00ed jednoduch\u00fdm: analytik dok\u00e1\u017ee zachyti\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">amplit\u00fada a f\u00e1za<\/a> a cel\u00e9 spektrum na lo\u017eiskovom domci, potom presunie sn\u00edma\u010d na podozriv\u00fd panel a sleduje, ako \u00farove\u0148 pri rezonan\u010dnej frekvencii st\u00fapa, zatia\u013e \u010do f\u00e1za prech\u00e1dza kon\u0161truk\u010dn\u00fdm kmitom. Ak je vibr\u00e1cia rotora 1\u00d7 na lo\u017eisku mierna, ale na r\u00e1me enormn\u00e1, verdiktom je rezonancia, nie nevyv\u00e1\u017eenos\u0165. Ten ist\u00fd pr\u00edstroj v\u00e1m umo\u017en\u00ed sk\u00fa\u0161obne vyv\u00e1\u017ei\u0165 rotor, aby ste nevyv\u00e1\u017eenos\u0165 potvrdili alebo vyl\u00fa\u010dili, a vykona\u0165 dobeh, pri ktorom sa rezonan\u010dn\u00fd vrchol objav\u00ed, ke\u010f ot\u00e1\u010dky prech\u00e1dzaj\u00fa cez neho.<\/p>\n<h2>5. Rie\u0161enia a zmier\u0148ovacie opatrenia<\/h2>\n<h3>Modifik\u00e1cie zes\u00edlenia<\/h3>\n<ul>\n<li><strong>Pridajte kon\u0161truk\u010dn\u00e9 rebra alebo vzpery:<\/strong> zvy\u0161uje ohybov\u00fa tuhos\u0165, pos\u00fava vlastn\u00fa frekvenciu nad rozsah budenia, je hospod\u00e1rne a d\u00e1 sa dodato\u010dne namontova\u0165 na existuj\u00face zariadenia.<\/li>\n<li><strong>Zv\u00fd\u0161te hr\u00fabku materi\u00e1lu:<\/strong> zhrubnutie stien r\u00e1mu alebo panelov v\u00fdrazne zvy\u0161uje tuhos\u0165 a frekvenciu, hoci si to m\u00f4\u017ee vy\u017eadova\u0165 nov\u00e9 odliatky alebo zvarence.<\/li>\n<li><strong>Kon\u0161truk\u010dn\u00e9 spoje a vystu\u017eenie:<\/strong> spojenie proti\u013eahl\u00fdch str\u00e1n r\u00e1mu zabra\u0148uje preh\u00fdbaniu; kr\u00ed\u017eov\u00e9 vystu\u017eenie prid\u00e1va torzn\u00fa tuhos\u0165 a \u010dasto sa d\u00e1 namontova\u0165 zvonku.<\/li>\n<\/ul>\n<h3>Mass addition<\/h3>\n<ul>\n<li><strong>Zn\u00ed\u017eenie vlastnej frekvencie:<\/strong> pridan\u00edm hmotnosti zn\u00ed\u017ete frekvenciu pod rozsah budenia.<\/li>\n<li><strong>Strategick\u00e9 umiestnenie:<\/strong> pridajte hmotnos\u0165 v miestach kmitn\u00ed pre maxim\u00e1lny \u00fa\u010dinok.<\/li>\n<li><strong>Tuned mass:<\/strong> presne vypo\u010d\u00edtan\u00e1 hmota pos\u00fava \u0161pecifick\u00fd problematick\u00fd m\u00f3d.<\/li>\n<li><strong>Kompromis:<\/strong> hmotnos\u0165 navy\u0161e nie je \u017eiaduca v ka\u017edej aplik\u00e1cii.<\/li>\n<\/ul>\n<p>\u010ci u\u017e sa rozhodnete frekvenciu zv\u00fd\u0161i\u0165 alebo zn\u00ed\u017ei\u0165, r\u00fdchly v\u00fdpo\u010det v\u00e1s udr\u017e\u00ed mimo nasleduj\u00faceho rezonan\u010dn\u00e9ho p\u00e1sma. A <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/foundation-natural-frequency\/\">kalkul\u00e1tor vlastnej frekvencie z\u00e1kladov<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/damping-ratio-calculator\/\">Kalkul\u00e1tor tlmiaceho pomeru<\/a> v\u00e1m pom\u00f4\u017eu odhadn\u00fa\u0165, kde sa upraven\u00e1 kon\u0161trukcia ocitne e\u0161te predt\u00fdm, ne\u017e sa odre\u017ee ak\u00fdko\u013evek kov.<\/p>\n<h3>Tlmiace opatrenia<\/h3>\n<ul>\n<li><strong>Tlmenie s obmedzenou vrstvou:<\/strong> viskoelastick\u00e1 vrstva vlo\u017een\u00e1 medzi kovov\u00e9 vrstvy, aplikovan\u00e1 na ve\u013ek\u00e9 ploch\u00e9 panely a kryty. Zni\u017euje rezonan\u010dn\u00fd vrchol o 50 \u2013 80 % a dobre funguje pribli\u017ene v rozsahu 20 \u2013 500 Hz.<\/li>\n<li><strong>Tlmenie vo\u013enou vrstvou:<\/strong> tlmiaci materi\u00e1l priamo nalepen\u00fd na vibruj\u00faci povrch \u2014 jednoduch\u0161\u00ed ako tlmenie s viazanou vrstvou, ale menej \u00fa\u010dinn\u00fd, vhodn\u00fd tam, kde je obmedzen\u00fd pr\u00edstup.<\/li>\n<\/ul>\n<h3>Zmeny v prev\u00e1dzke<\/h3>\n<ul>\n<li><strong>Zmena r\u00fdchlosti:<\/strong> prev\u00e1dzkova\u0165 pri ot\u00e1\u010dkach, pri ktor\u00fdch rezonancia nenast\u00e1va.<\/li>\n<li><strong>Zn\u00ed\u017ete budiacu silu:<\/strong> improve <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyv\u00e1\u017eenie<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">zarovnanie<\/a> na zn\u00ed\u017eenie amplit\u00fady budenia, ktor\u00e9 nap\u00e1ja rezonanciu.<\/li>\n<li><strong>Zmeny v procesoch:<\/strong> Zmenou prietoku, tlaku alebo za\u0165a\u017eenia sa posun\u00fa budiace frekvencie<\/li>\n<\/ul>\n<h2>6. Prevencia u\u017e v \u0161t\u00e1diu n\u00e1vrhu<\/h2>\n<h3>Princ\u00edpy kon\u0161trukcie<\/h3>\n<ul>\n<li><strong>Dostato\u010dn\u00e1 tuhos\u0165:<\/strong> navrhnite r\u00e1m tak, aby jeho vlastn\u00e9 frekvencie le\u017eali nad 2-n\u00e1sobkom najvy\u0161\u0161ej budiacej frekvencie.<\/li>\n<li><strong>Hmotnostn\u00e9 rozlo\u017eenie:<\/strong> vyh\u00fdbajte sa s\u00fastreden\u00fdm hmot\u00e1m, ktor\u00e9 vytv\u00e1raj\u00fa n\u00edzkofrekven\u010dn\u00e9 m\u00f3dy.<\/li>\n<li><strong>Rebrovanie a vystu\u017eenie:<\/strong> zabudujte vystu\u017euj\u00face prvky od sam\u00e9ho za\u010diatku.<\/li>\n<li><strong>Mod\u00e1lna anal\u00fdza:<\/strong> po\u010das n\u00e1vrhu pou\u017e\u00edvajte FEA na predikciu a optimaliz\u00e1ciu vlastn\u00fdch frekvenci\u00ed.<\/li>\n<\/ul>\n<h3>Verifik\u00e1cia kon\u0161trukcie<\/h3>\n<ul>\n<li>Testovanie prototypu s anal\u00fdzou n\u00e1razom.<\/li>\n<li>Meranie tvaru prev\u00e1dzkovej deform\u00e1cie na prv\u00fdch vyroben\u00fdch kusoch.<\/li>\n<li>Ak sa zistia rezonancie, prepracujte n\u00e1vrh e\u0161te pred v\u00fdrobou.<\/li>\n<\/ul>\n<h2>7. Pr\u00edklad z praxe<\/h2>\n<p><strong>Situ\u00e1cia:<\/strong> motor s v\u00fdkonom 75 HP poh\u00e1\u0148aj\u00faci odstrediv\u00fd ventil\u00e1tor, s nadmern\u00fdm hlukom a vibr\u00e1ciami.<\/p>\n<ul>\n<li><strong>Pr\u00edznaky:<\/strong> vibr\u00e1cie r\u00e1mu motora 12 mm\/s; vibr\u00e1cie lo\u017eiska len 2,5 mm\/s.<\/li>\n<li><strong>Frekvencia:<\/strong> 120 Hz (2-n\u00e1sobok sie\u0165ovej frekvencie pri nap\u00e1jan\u00ed 60 Hz).<\/li>\n<li><strong>Impact test:<\/strong> odhalila vlastn\u00fa frekvenciu r\u00e1mu na 118 Hz \u2014 takmer presne na budiacej frekvencii.<\/li>\n<li><strong>Hlavn\u00e1 pr\u00ed\u010dina:<\/strong> r\u00e1m rezonoval na frekvencii elektromagnetick\u00e9ho budenia.<\/li>\n<li><strong>Rie\u0161enie:<\/strong> boli pridan\u00e9 \u0161tyri uholn\u00edkov\u00e9 v\u00fdstuhy sp\u00e1jaj\u00face p\u00e4tky motora s lo\u017eiskov\u00fdmi \u0161t\u00edtmi.<\/li>\n<li><strong>V\u00fdsledok:<\/strong> vlastn\u00e1 frekvencia r\u00e1mu sa posunula na 165 Hz a vibr\u00e1cie klesli na 3,2 mm\/s \u2014 pohodlne sp\u00e4\u0165 do prijate\u013en\u00e9ho rozsahu pod\u013ea <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/iso-20816-3\/\">ISO 20816-3<\/a> (modern\u00fd n\u00e1stupca normy ISO 10816-3).<\/li>\n<li><strong>Cena:<\/strong> pribli\u017ene 200 USD za materi\u00e1l oproti zhruba 8 000 USD za v\u00fdmenu motora.<\/li>\n<\/ul>\n<p>Rezonancia r\u00e1mu je be\u017en\u00fd, no \u010dasto nespr\u00e1vne diagnostikovan\u00fd probl\u00e9m s vibr\u00e1ciami. Rozpoznanie pr\u00edznakov, ktor\u00e9 ho prezr\u00e1dzaj\u00fa \u2014 vysok\u00e9 vibr\u00e1cie r\u00e1mu v porovnan\u00ed s vibr\u00e1ciami lo\u017eiska, ostro viazan\u00e9 na konkr\u00e9tnu frekvenciu a silno z\u00e1visl\u00e9 od miesta merania \u2014 a pou\u017eitie spr\u00e1vnych diagnostick\u00fdch techn\u00edk (r\u00e1zov\u00fd test a anal\u00fdza ODS) vedie k cielen\u00fdm oprav\u00e1m, ktor\u00e9 dok\u00e1\u017eu v\u00fdrazne zn\u00ed\u017ei\u0165 vibr\u00e1cie pri ve\u013emi n\u00edzkych n\u00e1kladoch.<\/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 r\u00e1mu, zosilnen\u00ed vibr\u00e1ci\u00ed, ke\u010f r\u00e1my, kryty alebo puzdr\u00e1 strojov rezonuj\u00fa pri prev\u00e1dzkov\u00fdch frekvenci\u00e1ch, \u010do sp\u00f4sobuje nadmern\u00fd hluk a \u0161truktur\u00e1lne nam\u00e1hanie.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-125","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/125","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\/125\/revisions"}],"predecessor-version":[{"id":101384,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/125\/revisions\/101384"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=125"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}