{"id":211,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/resonance\/"},"modified":"2026-05-23T22:45:41","modified_gmt":"2026-05-23T22:45:41","slug":"resonance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/","title":{"rendered":"Co je rezonance v mechanick\u00fdch syst\u00e9mech?"},"content":{"rendered":"<h1>Pochopen\u00ed rezonance v mechanick\u00fdch syst\u00e9mech<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\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\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\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 vibrac\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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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 ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed 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\u00ed 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed 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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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 sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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 (pokud se 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/211?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>Rezonance<\/strong> je fyzik\u00e1ln\u00ed jev, ke kter\u00e9mu doch\u00e1z\u00ed, kdy\u017e je syst\u00e9m vystaven periodick\u00e9 s\u00edle s frekvenc\u00ed odpov\u00eddaj\u00edc\u00ed jeho vlastn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a>. Jakmile dojde k t\u00e9to frekven\u010dn\u00ed shod\u011b, syst\u00e9m za\u010dne vibrovat s mimo\u0159\u00e1dn\u011b velk\u00fdmi amplitudami: energie ze vstupn\u00ed s\u00edly se do syst\u00e9mu p\u0159en\u00e1\u0161\u00ed s vysokou \u00fa\u010dinnost\u00ed, tak\u017ee <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> se cyklus za cyklem dramaticky zvy\u0161uje. Jedin\u00fdm faktorem, kter\u00fd nakonec omezuje amplitudu p\u0159i rezonanci, je tlumen\u00ed syst\u00e9mu <strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a><\/strong>. Porozum\u011bn\u00ed rezonanci a jej\u00ed prevenci pat\u0159\u00ed k hlavn\u00edm \u00fakol\u016fm dynamiky rotor\u016f a diagnostiky strojn\u00edch za\u0159\u00edzen\u00ed, proto\u017ee m\u00e1lokter\u00fd jev dok\u00e1\u017ee za\u0159\u00edzen\u00ed zni\u010dit tak rychle.<\/p>\n<h2>1. Definice: Co je to rezonance?<\/h2>\n<p>Rezonanci lze nejl\u00e9pe pochopit jako ot\u00e1zku <em>timing<\/em>, nikoli s\u00edla. M\u00edrn\u00e9 buzen\u00ed, aplikovan\u00e9 v souladu s vlastn\u00edm rytmem konstrukce, vyvol\u00e1 mnohem v\u011bt\u0161\u00ed odezvu ne\u017e mnohem siln\u011bj\u0161\u00ed s\u00edla p\u016fsob\u00edc\u00ed mimo tento rytmus. Ka\u017ed\u00fd v\u010dasn\u00fd vstup p\u0159id\u00e1 o n\u011bco v\u00edce energie, ne\u017e kolik m\u016f\u017ee tlumen\u00ed b\u011bhem dan\u00e9ho cyklu odebrat, tak\u017ee amplituda roste, dokud energie rozpt\u00fdlen\u00e1 tlumen\u00ed za cyklus nakonec nevyrovn\u00e1 dodanou energii. V m\u00edrn\u011b tlumen\u00e9m syst\u00e9mu je tohoto bodu rovnov\u00e1hy dosa\u017eeno pouze p\u0159i velmi vysok\u00e9 amplitud\u011b \u2013 proto je rezonance nebezpe\u010dn\u00e1. Frekvence, p\u0159i kter\u00e9 k n\u00ed doch\u00e1z\u00ed, je vlastn\u00ed frekvence, zcela ur\u010den\u00e1 hmotnost\u00ed syst\u00e9mu a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a>.<\/p>\n<h2>2. Souvislost mezi vlastn\u00ed frekvenc\u00ed a rezonanc\u00ed<\/h2>\n<p>Abyste pochopili rezonanci, mus\u00edte nejprve pochopit vlastn\u00ed frekvenci. Ka\u017ed\u00fd fyzik\u00e1ln\u00ed objekt m\u00e1 sadu vlastn\u00edch frekvenc\u00ed, na kter\u00fdch bude vibrovat, pokud je naru\u0161en. Ty jsou ur\u010deny jeho hmotnost\u00ed a tuhost\u00ed. Rezonance vznik\u00e1, kdy\u017e na objekt neust\u00e1le \u201etla\u010d\u00edte\u201c stejnou rychlost\u00ed, jako je jedna z jeho vlastn\u00edch frekvenc\u00ed.<\/p>\n<p>Klasickou analogi\u00ed je tla\u010den\u00ed d\u00edt\u011bte na houpa\u010dce:<\/p>\n<ul>\n<li>Houpa\u010dka s d\u00edt\u011btem na n\u00ed m\u00e1 ur\u010ditou vlastn\u00ed frekvenci, kter\u00e1 je d\u00e1na d\u00e9lkou lana (jeho tuhost\u00ed) a hmotnost\u00ed d\u00edt\u011bte.<\/li>\n<li>Jedn\u00edm stisknut\u00edm se rozhoup\u00e1 na tuto vlastn\u00ed frekvenci a d\u00edky tlumen\u00ed \u2013 odporu vzduchu a t\u0159en\u00ed \u2013 se pomalu zastav\u00ed.<\/li>\n<li>Pokud na\u010dasujete ka\u017ed\u00e9 tla\u010den\u00ed tak, aby odpov\u00eddal vlastn\u00ed frekvenci houpa\u010dky, ka\u017ed\u00e9 tla\u010den\u00ed dod\u00e1 energii a houpa\u010dka se houp\u00e1 st\u00e1le v\u00fd\u0161 a v\u00fd\u0161. To je rezonance.<\/li>\n<li>Pokud budete tla\u010dit nespr\u00e1vn\u00fdm tempem \u2013 p\u0159\u00edli\u0161 rychle nebo p\u0159\u00edli\u0161 pomalu \u2013, va\u0161e tla\u010den\u00ed se p\u0159estanou sladit s pohybem houpa\u010dky a nedos\u00e1hne se velk\u00e9 amplitudy.<\/li>\n<\/ul>\n<p>Stejn\u00fd vztah mezi hmotnost\u00ed a tuhost\u00ed plat\u00ed i pro sou\u010d\u00e1sti stroj\u016f. M\u016f\u017eete jej kvantitativn\u011b prozkoumat pomoc\u00ed na\u0161eho <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/natural-frequency\/\">Kalkul\u00e1tor vlastn\u00ed frekvence<\/a> u jednoduch\u00e9ho syst\u00e9mu pru\u017eina-hmotnost nebo u rotuj\u00edc\u00edch h\u0159\u00eddel\u00ed, u nich\u017e se vlastn\u00ed frekvence shoduje s provozn\u00ed rychlost\u00ed, <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/rotor-critical-speed\/\">Kalkul\u00e1tor kritick\u00e9 rychlosti rotoru<\/a>.<\/p>\n<h2>3. Pro\u010d je rezonance u stroj\u016f probl\u00e9mem?<\/h2>\n<p>U rota\u010dn\u00edch stroj\u016f p\u0159edstavuje rezonance velmi ni\u010div\u00fd a nebezpe\u010dn\u00fd jev. K tomuto \u201etla\u010den\u00ed\u201c p\u0159isp\u00edv\u00e1 jak\u00e1koli periodick\u00e1 s\u00edla, kterou stroj vytv\u00e1\u0159\u00ed p\u0159i b\u011b\u017en\u00e9m provozu \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a>nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">blade-pass<\/a> sily p\u016fsob\u00edc\u00ed v jejich r\u00e1mci. Pokud se frekvence n\u011bkter\u00e9 z t\u011bchto sil shoduje s vlastn\u00ed frekvenc\u00ed rotoru, z\u00e1klad\u016f, nosn\u00e9 konstrukce nebo p\u0159ipojen\u00e9ho potrub\u00ed, mohou b\u00fdt n\u00e1sledky z\u00e1va\u017en\u00e9:<\/p>\n<ul>\n<li><strong>Extr\u00e9mn\u00ed \u00farovn\u011b vibrac\u00ed:<\/strong> Amplitudy lze zes\u00edlit desetkr\u00e1t, pades\u00e1tkr\u00e1t nebo dokonce stokr\u00e1t, v z\u00e1vislosti na tom, jak mal\u00e9 je tlumen\u00ed.<\/li>\n<li><strong>Vysok\u00e1 dynamick\u00e1 nam\u00e1h\u00e1n\u00ed:<\/strong> velk\u00e9 pr\u016fhyby vystavuj\u00ed sou\u010d\u00e1sti obrovsk\u00e9mu cyklick\u00e9mu nam\u00e1h\u00e1n\u00ed, co\u017e vede k rychl\u00e9mu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a>.<\/li>\n<li><strong>Katastrof\u00e1ln\u00ed selh\u00e1n\u00ed:<\/strong> rezonance m\u016f\u017ee vyvolat <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cracked-rotor\/\">cracked shafts<\/a>, po\u0161kozen\u00e1 lo\u017eiska, praskl\u00e9 svary a \u00fapln\u00e9 selh\u00e1n\u00ed konstrukce v pozoruhodn\u011b kr\u00e1tk\u00e9m \u010dase.<\/li>\n<li><strong>Nadm\u011brn\u00fd hluk:<\/strong> vysok\u00e1 vibrace se projevuje jako hlasit\u00fd, \u010dasto t\u00f3nov\u00fd hluk.<\/li>\n<\/ul>\n<p>Zvl\u00e1\u0161tn\u00edm a obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00fdm p\u0159\u00edpadem je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e1 rychlost<\/a> \u2014 ot\u00e1\u010dky rotoru, p\u0159i nich\u017e se budic\u00ed s\u00edla p\u0159i provozn\u00edch ot\u00e1\u010dk\u00e1ch (1\u00d7) shoduje s vlastn\u00ed frekvenc\u00ed rotoru. Stroje jsou z\u00e1m\u011brn\u011b konstruov\u00e1ny tak, aby se vyh\u00fdbaly kritick\u00fdm ot\u00e1\u010dk\u00e1m a aby jimi rychle pro\u0161ly b\u011bhem rozb\u011bhu a dojezdu.<\/p>\n<h2>4. P\u0159\u00edznaky a rozpozn\u00e1n\u00ed rezonance<\/h2>\n<p>Rezonance m\u00e1 charakteristick\u00fd soubor p\u0159\u00edznak\u016f, kter\u00e9 usnad\u0148uj\u00ed diagnostiku a odli\u0161uj\u00ed ji od prost\u00e9ho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/forced-vibration\/\">nucen\u00e9 kmit\u00e1n\u00ed<\/a> probl\u00e9m, jako je prost\u00e1 nevyv\u00e1\u017eenost:<\/p>\n<ul>\n<li><strong>Siln\u011b sm\u011brovan\u00e9 vibrace:<\/strong> Vibrace jsou obvykle v jednom sm\u011bru \u2013 \u010dasto v horizont\u00e1ln\u00edm \u2013 mnohem siln\u011bj\u0161\u00ed ne\u017e v ostatn\u00edch, proto\u017ee tuhost konstrukce se li\u0161\u00ed v z\u00e1vislosti na sm\u011bru.<\/li>\n<li><strong>Prudk\u00fd n\u00e1r\u016fst vibrac\u00ed v z\u00e1vislosti na rychlosti:<\/strong> Vibrace jsou siln\u00e9 pouze v \u00fazk\u00e9m rozsahu ot\u00e1\u010dek; jakmile stroj zrychl\u00ed nebo zpomal\u00ed za tuto hranici, amplituda vibrac\u00ed prudce kles\u00e1.<\/li>\n<li><strong>F\u00e1zov\u00fd posun o 180 stup\u0148\u016f:<\/strong> jak se rychlost pohybuje kolem rezonan\u010dn\u00ed frekvence, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> f\u00e1ze vibrac\u00ed se posune o 180 stup\u0148\u016f. Toto f\u00e1zov\u00e9 obr\u00e1cen\u00ed je jednozna\u010dn\u00fdm d\u016fkazem rezonance.<\/li>\n<li><strong>Obt\u00ed\u017en\u00e9 vyv\u00e1\u017een\u00ed:<\/strong> Sna\u017eit se vyv\u00e1\u017eit rotor pracuj\u00edc\u00ed v rezonanci je \u010dasto ne\u00fa\u010dinn\u00e9 nebo m\u016f\u017ee situaci je\u0161t\u011b zhor\u0161it \u2013 pot\u0159ebn\u00e1 vyva\u017eovac\u00ed z\u00e1va\u017e\u00ed jsou pak neobvykle velk\u00e1 nebo mal\u00e1 a vibrace se mohou jednodu\u0161e p\u0159esunout na jin\u00e9 m\u00edsto.<\/li>\n<\/ul>\n<p>Rezonance je experiment\u00e1ln\u011b potvrzena dv\u011bma vz\u00e1jemn\u011b se dopl\u0148uj\u00edc\u00edmi zp\u016fsoby. A <strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00e1 zkou\u0161ka<\/a><\/strong> vyvol\u00e1v\u00e1 v pevn\u00e9 konstrukci kmit\u00e1n\u00ed, \u010d\u00edm\u017e p\u0159\u00edmo odhal\u00ed jej\u00ed vlastn\u00ed frekvence. Alternativn\u011b lze <strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/run-up-analysis\/\">rozjezd<\/a> nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coastdown-analysis\/\">odb\u011bh<\/a> test<\/strong> zaznamen\u00e1v\u00e1 amplitudu a f\u00e1zi p\u0159i pr\u016fchodu p\u0159\u00edstroje oblast\u00ed podez\u0159elou z rezonance, p\u0159i\u010dem\u017e charakteristick\u00fd amplitudov\u00fd vrchol a f\u00e1zov\u00fd posun o 180 stup\u0148\u016f jsou vyneseny na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bode-plot\/\">Bodeho graf<\/a>.<\/p>\n<h2>5. Jak vy\u0159e\u0161it probl\u00e9m s rezonanc\u00ed<\/h2>\n<p>Jeliko\u017e rezonance je v podstat\u011b ot\u00e1zkou slad\u011bn\u00ed frekvenc\u00ed, ka\u017ed\u00e9 \u0159e\u0161en\u00ed spo\u010d\u00edv\u00e1 bu\u010f ve zm\u011bn\u011b frekvence \u201etla\u010d\u00edc\u00edho\u201c nebo \u201etla\u010den\u00e9ho\u201c prvku, anebo v rychlej\u0161\u00edm rozpt\u00fdlen\u00ed energie:<\/p>\n<ol>\n<li><strong>Zm\u011b\u0148te frekvenci buzen\u00ed.<\/strong> Obvykle to znamen\u00e1 zm\u011bnu provozn\u00edch ot\u00e1\u010dek stroje. Jedn\u00e1 se o nejjednodu\u0161\u0161\u00ed \u0159e\u0161en\u00ed, pokud to dan\u00fd proces umo\u017e\u0148uje, a u pohon\u016f s prom\u011bnn\u00fdmi ot\u00e1\u010dkami lze zak\u00e1zan\u00e9 rozsahy ot\u00e1\u010dek vyprogramovat.<\/li>\n<li><strong>Zm\u011b\u0148te vlastn\u00ed frekvenci.<\/strong> Toto je nejb\u011b\u017en\u011bj\u0161\u00ed \u0159e\u0161en\u00ed.\n<ul>\n<li>Na <strong>zv\u00fd\u0161en\u00ed<\/strong> vlastn\u00ed frekvence, <strong>zv\u00fd\u0161it tuhost<\/strong> rezonan\u010dn\u00ed \u010d\u00e1sti \u2013 nap\u0159\u00edklad p\u0159id\u00e1n\u00edm vzp\u011bry nebo v\u00fdztuhy.<\/li>\n<li>Na <strong>pokles<\/strong> vlastn\u00ed frekvence, bu\u010f <strong>sn\u00ed\u017eit tuhost<\/strong> nebo <strong>p\u0159idat hmotu<\/strong> ke komponent\u011b.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Add damping.<\/strong> Pokud nelze \u017e\u00e1dnou z t\u011bchto frekvenc\u00ed posunout, lze pomoc\u00ed tlumen\u00ed \u2013 viskoelastick\u00fdch \u00faprav nebo speci\u00e1ln\u00edch tlumi\u010d\u016f \u2013 sn\u00ed\u017eit v\u00fd\u0161ku rezonan\u010dn\u00edho vrcholu na p\u0159ijatelnou \u00farove\u0148. V\u00fdhodu dodate\u010dn\u00e9ho tlumen\u00ed lze kvantifikovat pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/damping-ratio-calculator\/\">Kalkul\u00e1tor tlumic\u00edho pom\u011bru<\/a>.<\/li>\n<\/ol>\n<p>Je t\u0159eba poznamenat, \u017ee rezonance zahrnuj\u00edc\u00ed nosnou konstrukci \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/structural-resonance\/\">struktur\u00e1ln\u00ed rezonance<\/a> or weak <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/foundation-stiffness\/\">tuhost z\u00e1klad\u016f<\/a> \u2014 je \u010dast\u00fdm vin\u00edkem a \u0159e\u0161\u00ed se stejn\u00fdm zp\u016fsobem, a to zpevn\u011bn\u00edm, zv\u00fd\u0161en\u00edm hmotnosti nebo tlumen\u00ed dan\u00e9ho prvku.<\/p>\n<h2>6. Rezonance a vyva\u017eov\u00e1n\u00ed v provozu<\/h2>\n<p>Spojitost mezi rezonanc\u00ed a vyva\u017eov\u00e1n\u00edm v provozu p\u0159edstavuje praktickou past, kter\u00e9 je t\u0159eba se vyhnout. Jeliko\u017e rotor pracuj\u00edc\u00ed v bl\u00edzkosti rezonan\u010dn\u00ed frekvence poskytuje zav\u00e1d\u011bj\u00edc\u00ed a nestabiln\u00ed \u00fadaje o amplitud\u011b a f\u00e1zi, je nutn\u00e9 nejprve ov\u011b\u0159it, \u017ee stroj neb\u011b\u017e\u00ed v rezonanci, ne\u017e se pokus\u00edte o jeho vyv\u00e1\u017een\u00ed. P\u0159i vyva\u017eov\u00e1n\u00ed v provozu je to snadn\u00e9 pomoc\u00ed p\u0159enosn\u00e9ho dvoukan\u00e1lov\u00e9ho analyz\u00e1toru, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a>: m\u011b\u0159en\u00ed rozb\u011bhu a vyb\u00edh\u00e1n\u00ed zachycuje amplitudu a f\u00e1zi v cel\u00e9m rozsahu ot\u00e1\u010dek, \u010d\u00edm\u017e odhal\u00ed p\u0159\u00edpadn\u00e9 rezonan\u010dn\u00ed \u0161pi\u010dky a f\u00e1zov\u00fd posun o 180 stup\u0148\u016f, zat\u00edmco laserov\u00fd ot\u00e1\u010dkom\u011br poskytuje f\u00e1zovou referenci. Jakmile se potvrd\u00ed, \u017ee stroj b\u011b\u017e\u00ed bez probl\u00e9m\u016f mimo rezonan\u010dn\u00ed oblast, stejn\u00fd p\u0159\u00edstroj vypo\u010d\u00edt\u00e1 korek\u010dn\u00ed z\u00e1va\u017e\u00ed a ov\u011b\u0159\u00ed v\u00fdsledek podle p\u0159\u00edslu\u0161n\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyva\u017eov\u00e1n\u00ed<\/a> tolerance \u2013 zat\u00edmco pokus o n\u00e1pravu na z\u00e1klad\u011b rezonance by vedl pouze k potla\u010den\u00ed p\u0159\u00edznak\u016f.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s rezonanc\u00ed, nebezpe\u010dn\u00fdm stavem, kdy se provozn\u00ed frekvence stroje shoduje s vlastn\u00ed frekvenc\u00ed, co\u017e zp\u016fsobuje extr\u00e9mn\u00ed vibrace. Pochopte jej\u00ed p\u0159\u00ed\u010diny, p\u0159\u00edznaky a \u0159e\u0161en\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-211","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/211\/revisions"}],"predecessor-version":[{"id":101359,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/211\/revisions\/101359"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}