{"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\/cs\/glossary\/frame-resonance\/","title":{"rendered":"Co je rezonance r\u00e1mu? Vibrace konstrukce stroje"},"content":{"rendered":"<h1>Pochopen\u00ed rezonance r\u00e1mce<\/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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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 r\u00e1mu<\/strong> je specifickou formou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/structural-resonance\/\">struktur\u00e1ln\u00ed rezonance<\/a> p\u0159i n\u00ed\u017e vlastn\u00ed r\u00e1m, sk\u0159\u00ed\u0148, kryt nebo obal stroje vibruje na jedn\u00e9 ze sv\u00fdch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> jako odezva na buzen\u00ed od rotuj\u00edc\u00edch sou\u010d\u00e1st\u00ed. Na rozd\u00edl od rezonanc\u00ed z\u00e1kladu nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/pedestal-looseness\/\">pedestal<\/a> rezonanc\u00ed, kter\u00e9 se t\u00fdkaj\u00ed nosn\u00e9 konstrukce pod strojem, se rezonance r\u00e1mu vyskytuje v samotn\u00e9m t\u011ble stroje \u2014 v litinov\u00e9 nebo sva\u0159ovan\u00e9 ocelov\u00e9 konstrukci, kter\u00e1 obklopuje rotuj\u00edc\u00ed \u010d\u00e1sti. Kdy\u017e se bud\u00edc\u00ed frekvence shoduje s vlastn\u00ed frekvenc\u00ed r\u00e1mu, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a> pohyb se zes\u00edl\u00ed daleko nad to, co by zp\u016fsobila samotn\u00e1 bud\u00edc\u00ed s\u00edla.<\/p>\n<p>Rezonance r\u00e1mu je b\u011b\u017en\u00e1 u stroj\u016f s velk\u00fdmi, relativn\u011b lehk\u00fdmi sk\u0159\u00edn\u011bmi \u2014 ventil\u00e1tory, dmychadly, \u010derpadly a motory. Typicky se projevuje jako nadm\u011brn\u00fd hluk, viditeln\u00e9 vibrace kryt\u016f nebo panel\u016f a vysok\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> hodnoty nam\u011b\u0159en\u00e9 na r\u00e1mu, kter\u00e9 jsou zcela ne\u00fam\u011brn\u00e9 skute\u010dn\u00fdm vibrac\u00edm rotoru. Proto\u017ee p\u0159\u00edznak vypad\u00e1 znepokojiv\u011b, je rezonance r\u00e1mu jedn\u00edm z nej\u010dast\u011bji chybn\u011b diagnostikovan\u00fdch probl\u00e9m\u016f v praxi: analytik zaznamen\u00e1 obrovskou hodnotu a odsoud\u00ed dokonale vyv\u00e1\u017een\u00fd rotor.<\/p>\n<h2>1. Definice: Co je rezonance r\u00e1mu?<\/h2>\n<p>Ka\u017ed\u00e1 konstrukce m\u00e1 sadu vlastn\u00edch frekvenc\u00ed a p\u0159\u00edslu\u0161n\u00fdch tvar\u016f kmit\u016f, p\u0159i kter\u00fdch se p\u0159ednostn\u011b oh\u00fdb\u00e1. R\u00e1m stroje nen\u00ed v\u00fdjimkou. Jeho st\u011bny, koncov\u00e1 v\u00edka, patky a panely maj\u00ed ka\u017ed\u00fd ohybov\u00e9 a torzn\u00ed m\u00f3dy a tenk\u00fd kryc\u00ed panel m\u016f\u017ee m\u00edt v sly\u0161iteln\u00e9m p\u00e1smu hned n\u011bkolik vlastn\u00edch m\u00f3d\u016f. Pokud tyto frekvence z\u016fst\u00e1vaj\u00ed mimo bud\u00edc\u00ed frekvence stroje, r\u00e1m jednodu\u0161e p\u0159en\u00e1\u0161\u00ed s\u00edlu bez hluku. Probl\u00e9my nast\u00e1vaj\u00ed, kdy\u017e se provozn\u00ed frekvence shoduje s m\u00f3dem r\u00e1mu a konstrukce za\u010dne rezonovat.<\/p>\n<p>Charakteristick\u00fdm znakem rezonance r\u00e1mu je <em>amplification<\/em>: r\u00e1m se pohybuje n\u011bkolikan\u00e1sobn\u011b v\u00edce ne\u017e lo\u017eiska, kter\u00e1 obklopuje. Energie poch\u00e1z\u00ed z rotoru, av\u0161ak odezva n\u00e1le\u017e\u00ed konstrukci. Proto mohou hodnoty nam\u011b\u0159en\u00e9 na r\u00e1mu b\u00fdt p\u011btkr\u00e1t a\u017e desetkr\u00e1t vy\u0161\u0161\u00ed ne\u017e hodnoty nam\u011b\u0159en\u00e9 na t\u011blese lo\u017eiska vzd\u00e1len\u00e9m jen n\u011bkolik centimetr\u016f. Z\u00e1kladn\u00ed vlastnost\u00ed, kter\u00e1 ur\u010duje polohu t\u011bchto m\u00f3d\u016f, je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a> v pom\u011bru k hmotnosti \u2014 zpevn\u011bn\u00edm r\u00e1mu frekvence rostou; p\u0159id\u00e1n\u00edm hmotnosti klesaj\u00ed.<\/p>\n<h2>2. Typick\u00e9 situace rezonance r\u00e1mu<\/h2>\n<h3>R\u00e1my motor\u016f a gener\u00e1tor\u016f<\/h3>\n<ul>\n<li><strong>Vlastn\u00ed frekvence:<\/strong> typicky 50\u2013400 Hz v z\u00e1vislosti na velikosti a proveden\u00ed.<\/li>\n<li><strong>Excitace:<\/strong> 1\u00d7 (<a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>), 2\u00d7 frekvence s\u00edt\u011b (120 Hz p\u0159i nap\u00e1jen\u00ed 60 Hz, 100 Hz p\u0159i nap\u00e1jen\u00ed 50 Hz) a elektromagnetick\u00e9 s\u00edly v\u00e1zan\u00e9 na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/electrical-frequency\/\">frekvence s\u00edt\u011b<\/a>.<\/li>\n<li><strong>P\u0159\u00edznaky:<\/strong> vibrace r\u00e1mu v\u00fdrazn\u011b vy\u0161\u0161\u00ed ne\u017e vibrace lo\u017eisek; sly\u0161iteln\u00e9 hu\u010den\u00ed nebo bzu\u010den\u00ed.<\/li>\n<li><strong>Z\u00e1va\u017enost:<\/strong> r\u00e1m m\u016f\u017ee vykazovat hodnoty 5\u201310\u00d7 vy\u0161\u0161\u00ed ne\u017e lo\u017eiska.<\/li>\n<\/ul>\n<h3>Sk\u0159\u00edn\u011b ventil\u00e1tor\u016f a dmychadel<\/h3>\n<ul>\n<li><strong>Vlastn\u00ed frekvence:<\/strong> 20\u2013200 Hz pro typick\u00e9 pr\u016fmyslov\u00e9 ventil\u00e1tory.<\/li>\n<li><strong>Excitace:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> (po\u010det lopatek \u00d7 RPM).<\/li>\n<li><strong>P\u0159\u00edznaky:<\/strong> Panely pouzdra prudce vibruj\u00ed; hlasit\u00fd aerodynamick\u00fd hluk<\/li>\n<li><strong>Charakteristika:<\/strong> m\u016f\u017ee se projevit pouze p\u0159i ur\u010dit\u00fdch ot\u00e1\u010dk\u00e1ch nebo podm\u00ednk\u00e1ch proud\u011bn\u00ed.<\/li>\n<\/ul>\n<h3>Pump casings<\/h3>\n<ul>\n<li><strong>Vlastn\u00ed frekvence:<\/strong> 30\u2013300 Hz v z\u00e1vislosti na proveden\u00ed sk\u0159\u00edn\u011b.<\/li>\n<li><strong>Excitace:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vane-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> a hydraulick\u00e9 pulzace.<\/li>\n<li><strong>P\u0159\u00edznaky:<\/strong> vibrace sk\u0159\u00edn\u011b, hluk a riziko \u00fanavov\u00e9ho prasknut\u00ed.<\/li>\n<li><strong>Hydraulick\u00e1 spojka:<\/strong> sk\u0159\u00ed\u0148 napln\u011bn\u00e1 kapalinou m\u016f\u017ee vz\u00e1jemn\u011b prov\u00e1zat vibrace rotoru a sk\u0159\u00edn\u011b, \u010d\u00edm\u017e situaci zkomplikuje.<\/li>\n<\/ul>\n<h3>Sk\u0159\u00edn\u011b p\u0159evodovek<\/h3>\n<ul>\n<li>Excited by <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-mesh-frequency\/\">frekvence z\u00e1b\u011bru ozuben\u00fdch kol<\/a>.<\/li>\n<li>Vlastn\u00ed frekvence r\u00e1mu se \u010dasto p\u0159ekr\u00fdvaj\u00ed se z\u00e1b\u011brovou frekvenc\u00ed ozuben\u00ed a jej\u00edmi harmonick\u00fdmi slo\u017ekami.<\/li>\n<li>P\u0159i rezonanci vytv\u00e1\u0159\u00ed charakteristick\u00fd hlasit\u00fd v\u0159e\u0161tiv\u00fd zvuk ozuben\u00ed.<\/li>\n<\/ul>\n<h2>3. Vibra\u010dn\u00ed signatura a detekce<\/h2>\n<h3>Charakteristick\u00e9 p\u0159\u00edznaky<\/h3>\n<ul>\n<li><strong>Z\u00e1vislost na m\u00edst\u011b m\u011b\u0159en\u00ed:<\/strong> vibrace se po povrchu r\u00e1mu v\u00fdrazn\u011b li\u0161\u00ed \u2014 rozd\u00edly 10\u00d7 mezi jednotliv\u00fdmi body jsou b\u011b\u017en\u00e9.<\/li>\n<li><strong>Lo\u017eisko vs. r\u00e1m:<\/strong> vibrace r\u00e1mu v\u00fdrazn\u011b p\u0159evy\u0161uj\u00ed vibrace lo\u017eiska (\u010dasto 3\u201310\u00d7).<\/li>\n<li><strong>Frekven\u010dn\u011b specifick\u00e9:<\/strong> probl\u00e9m se projevuje pouze na rezonan\u010dn\u00ed frekvenci; ostatn\u00ed frekvence vypadaj\u00ed norm\u00e1ln\u011b.<\/li>\n<li><strong>Z\u00e1vislost na ot\u00e1\u010dk\u00e1ch:<\/strong> v\u00fdrazn\u00fd v \u00fazk\u00e9m p\u00e1smu (\u00b110\u201320 % rezonan\u010dn\u00ed ot\u00e1\u010dky).<\/li>\n<li><strong>Visual motion:<\/strong> pohyb r\u00e1mu je \u010dasto viditeln\u00fd pouh\u00fdm okem.<\/li>\n<\/ul>\n<h3>R\u00e1zov\u00e1 (impulsn\u00ed) zkou\u0161ka<\/h3>\n<p>Rozhoduj\u00edc\u00ed zkou\u0161ka. Ude\u0159te do r\u00e1mu gumov\u00fdm klad\u00edvkem nebo instrumentovan\u00fdm kladivem, zm\u011b\u0159te odezvu pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometr<\/a>, a ode\u010dt\u011bte p\u0159irozen\u00e9 frekvence r\u00e1mu z vrchol\u016f ve frekven\u010dn\u00ed odezv\u011b. Porovn\u00e1n\u00edm t\u011bchto vrchol\u016f s provozn\u00edmi frekvencemi (1\u00d7, 2\u00d7, pr\u016fchodem lopatek atd.) okam\u017eit\u011b odhal\u00edte nebezpe\u010dnou shodu. Viz <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 zkou\u0161ky<\/a> pro \u00fapln\u00fd postup.<\/p>\n<h3>Pr\u016fzkum roving akcelerometrem<\/h3>\n<p>Za chodu stroje zm\u011b\u0159te vibrace v mnoha bodech cel\u00e9ho r\u00e1mu a sestavte mapu vibrac\u00ed s oblastmi vysok\u00fdch a n\u00edzk\u00fdch hodnot. Vzor odhaluje tvar kmitu \u2014 oh\u00fdb\u00e1n\u00ed, kroucen\u00ed nebo pr\u016fhyb panel\u016f \u2014 a lokalizuje uzly maxima (maxim\u00e1ln\u00ed pohyb) a uzly minima (minim\u00e1ln\u00ed pohyb). Kompletn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/ods-analysis\/\">anal\u00fdza provozn\u00edho tvaru deformace (ODS)<\/a> animuje tento pohyb a form\u00e1ln\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/modal-analysis\/\">mod\u00e1ln\u00ed anal\u00fdza<\/a> extrahuje z\u00e1kladn\u00ed vlastn\u00ed tvary kmit\u00e1n\u00ed.<\/p>\n<h3>M\u011b\u0159en\u00ed p\u0159enosov\u00e9 funkce<\/h3>\n<p>Zm\u011b\u0159te <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coherence\/\">koherence<\/a> mezi vibracemi lo\u017eiska (vstup) a vibracemi r\u00e1mu (v\u00fdstup). Vysok\u00e1 koherence na konkr\u00e9tn\u00ed frekvenci potvrzuje, \u017ee pohyb r\u00e1mu je zp\u016fsoben buzen\u00edm rotoru a je s n\u00edm v rezonanci. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/transfer-function\/\">p\u0159enosov\u00e1 funkce<\/a> samotn\u00fd kvantifikuje faktor zes\u00edlen\u00ed.<\/p>\n<h2>4. Potvrzen\u00ed rezonance v provozu<\/h2>\n<p>Ne\u017e se jak\u00e1koliv konstrukce zpevn\u00ed nebo se dotkne rotoru, mus\u00ed b\u00fdt diagn\u00f3za potvrzena \u2014 a to znamen\u00e1 m\u011b\u0159it skute\u010dn\u00e9 chov\u00e1n\u00ed rotoru odd\u011blen\u011b od r\u00e1mu. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> toto usnad\u0148uje: analytik m\u016f\u017ee zachytit <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">amplituda a f\u00e1ze<\/a> a cel\u00e9 spektrum na t\u011blese lo\u017eiska, pot\u00e9 p\u0159em\u00edstit sn\u00edma\u010d na podez\u0159el\u00fd panel a sledovat n\u00e1r\u016fst \u00farovn\u011b na rezonan\u010dn\u00ed frekvenci, zat\u00edmco f\u00e1ze se posouv\u00e1 p\u0159es tvar struktur\u00e1ln\u00edho kmitu. Pokud jsou vibrace 1\u00d7 rotoru na lo\u017eisku skromn\u00e9, ale na r\u00e1mu obrovsk\u00e9, verdiktem je rezonance, nikoli nevyv\u00e1\u017eenost. Stejn\u00fd p\u0159\u00edstroj umo\u017e\u0148uje zku\u0161ebn\u00ed vyva\u017eov\u00e1n\u00ed rotoru k vylou\u010den\u00ed nebo potvrzen\u00ed nevyv\u00e1\u017eenosti a proveden\u00ed dob\u011bhu, p\u0159i n\u011bm\u017e se rezonan\u010dn\u00ed vrchol projev\u00ed p\u0159i pr\u016fchodu rychlosti rezonan\u010dn\u00ed oblast\u00ed.<\/p>\n<h2>5. \u0158e\u0161en\u00ed a zm\u00edr\u0148uj\u00edc\u00ed opat\u0159en\u00ed<\/h2>\n<h3>\u00dapravy tuhosti<\/h3>\n<ul>\n<li><strong>P\u0159id\u00e1n\u00ed konstruk\u010dn\u00edch \u017eeber nebo v\u00fdztuh:<\/strong> zvy\u0161uje ohybovou tuhost, posouv\u00e1 p\u0159irozenou frekvenci nad rozsah buzen\u00ed, je ekonomicky v\u00fdhodn\u00e9 a lze jej dodate\u010dn\u011b instalovat na st\u00e1vaj\u00edc\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Zv\u00fd\u0161en\u00ed tlou\u0161\u0165ky materi\u00e1lu:<\/strong> zes\u00edlen\u00ed st\u011bn r\u00e1mu nebo panel\u016f v\u00fdrazn\u011b zvy\u0161uje tuhost a frekvenci, i kdy\u017e m\u016f\u017ee vy\u017eadovat nov\u00e9 odlitky nebo v\u00fdkovky.<\/li>\n<li><strong>Konstruk\u010dn\u00ed t\u00e1hla a v\u00fdztu\u017en\u00e1 ztu\u017een\u00ed:<\/strong> propojen\u00ed protilehl\u00fdch stran r\u00e1mu zabra\u0148uje pr\u016fhybu; k\u0159\u00ed\u017eov\u00e9 ztu\u017een\u00ed p\u0159id\u00e1v\u00e1 torzn\u00ed tuhost a lze jej \u010dasto instalovat zven\u010d\u00ed.<\/li>\n<\/ul>\n<h3>Mass addition<\/h3>\n<ul>\n<li><strong>Sn\u00ed\u017een\u00ed p\u0159irozen\u00e9 frekvence:<\/strong> p\u0159idejte hmotnost pro sn\u00ed\u017een\u00ed frekvence pod rozsah buzen\u00ed.<\/li>\n<li><strong>Strategick\u00e9 um\u00edst\u011bn\u00ed:<\/strong> p\u0159idejte hmotnost v m\u00edstech uzl\u016f maxima pro maxim\u00e1ln\u00ed \u00fa\u010dinek.<\/li>\n<li><strong>Tuned mass:<\/strong> pe\u010dliv\u011b vypo\u010dten\u00e1 hmotnost posune konkr\u00e9tn\u00ed problematick\u00fd vlastn\u00ed tvar kmit\u00e1n\u00ed.<\/li>\n<li><strong>Kompromis:<\/strong> extra v\u00e1ha nen\u00ed v ka\u017ed\u00e9 aplikaci \u017e\u00e1douc\u00ed.<\/li>\n<\/ul>\n<p>A\u0165 u\u017e se rozhodnete frekvenci zv\u00fd\u0161it nebo sn\u00ed\u017eit, rychl\u00fd v\u00fdpo\u010det v\u00e1s udr\u017e\u00ed mimo dal\u0161\u00ed p\u00e1smo rezonance. A <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/foundation-natural-frequency\/\">kalkul\u00e1tor vlastn\u00ed frekvence z\u00e1klad\u016f<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/damping-ratio-calculator\/\">kalkul\u00e1tor tlumic\u00edho pom\u011bru<\/a> pom\u016f\u017ee v\u00e1m odhadnout, kde upraven\u00e1 konstrukce skon\u010d\u00ed, je\u0161t\u011b ne\u017e se za\u010dne \u0159ezat kov.<\/p>\n<h3>Tlumic\u00ed opat\u0159en\u00ed<\/h3>\n<ul>\n<li><strong>Tlumen\u00ed s omezenou vrstvou:<\/strong> viskoelastick\u00e1 vrstva vlo\u017een\u00e1 mezi kovov\u00e9 povrchy, aplikovan\u00e1 na velk\u00e9 ploch\u00e9 panely a kryty. Sni\u017euje rezonan\u010dn\u00ed \u0161pi\u010dku o 50\u201380 % a dob\u0159e funguje p\u0159ibli\u017en\u011b v rozsahu 20\u2013500 Hz.<\/li>\n<li><strong>Tlumen\u00ed s volnou vrstvou:<\/strong> tlumic\u00ed materi\u00e1l nalepen\u00fd p\u0159\u00edmo na vibruj\u00edc\u00ed povrch \u2014 jednodu\u0161\u0161\u00ed ne\u017e tlumen\u00ed s omezenou vrstvou, ale m\u00e9n\u011b \u00fa\u010dinn\u00e9; vhodn\u00e9 tam, kde je p\u0159\u00edstup omezen\u00fd.<\/li>\n<\/ul>\n<h3>Provozn\u00ed zm\u011bny<\/h3>\n<ul>\n<li><strong>Zm\u011bna rychlosti:<\/strong> provozovat p\u0159i ot\u00e1\u010dk\u00e1ch, p\u0159i nich\u017e rezonance nenast\u00e1v\u00e1.<\/li>\n<li><strong>Sn\u00ed\u017een\u00ed budic\u00ed s\u00edly:<\/strong> improve <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyv\u00e1\u017een\u00ed<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">souosost<\/a> za \u00fa\u010delem sn\u00ed\u017een\u00ed amplitudy buzen\u00ed, kter\u00e1 rezonanci vyvol\u00e1v\u00e1.<\/li>\n<li><strong>Zm\u011bny v procesech:<\/strong> Zm\u011bnou pr\u016ftoku, tlaku nebo zat\u00ed\u017een\u00ed posunete budic\u00ed frekvence<\/li>\n<\/ul>\n<h2>6. Prevence ji\u017e ve f\u00e1zi n\u00e1vrhu<\/h2>\n<h3>Konstruk\u010dn\u00ed z\u00e1sady<\/h3>\n<ul>\n<li><strong>Dostate\u010dn\u00e1 tuhost:<\/strong> navrhnout r\u00e1m tak, aby jeho vlastn\u00ed frekvence le\u017eely nad hodnotou 2\u00d7 nejvy\u0161\u0161\u00ed budic\u00ed frekvence.<\/li>\n<li><strong>Rozlo\u017een\u00ed hmoty:<\/strong> vyh\u00fdbat se soust\u0159ed\u011bn\u00fdm hmot\u00e1m, kter\u00e9 zp\u016fsobuj\u00ed n\u00edzkofrekven\u010dn\u00ed tvary kmit\u00e1n\u00ed.<\/li>\n<li><strong>\u017debrov\u00e1n\u00ed a vyztu\u017een\u00ed:<\/strong> zabudovat v\u00fdztu\u017en\u00e9 prvky ji\u017e od za\u010d\u00e1tku.<\/li>\n<li><strong>Mod\u00e1ln\u00ed anal\u00fdza:<\/strong> vyu\u017e\u00edvat MKP p\u0159i n\u00e1vrhu k predikci a optimalizaci vlastn\u00edch frekvenc\u00ed.<\/li>\n<\/ul>\n<h3>Ov\u011b\u0159en\u00ed n\u00e1vrhu<\/h3>\n<ul>\n<li>Zkou\u0161en\u00ed prototypu s anal\u00fdzou r\u00e1zov\u00fdm budi\u010dem.<\/li>\n<li>M\u011b\u0159en\u00ed tvaru provozn\u00ed deformace na prvn\u00edch vyroben\u00fdch kusech.<\/li>\n<li>P\u0159ed zah\u00e1jen\u00edm v\u00fdroby upravit konstrukci, pokud jsou zji\u0161t\u011bny rezonance.<\/li>\n<\/ul>\n<h2>7. P\u0159\u00edpadov\u00e1 studie<\/h2>\n<p><strong>Situace:<\/strong> motor 75 HP poh\u00e1n\u011bj\u00edc\u00ed odst\u0159ediv\u00fd ventil\u00e1tor s nadm\u011brn\u00fdm hlukem a vibracemi.<\/p>\n<ul>\n<li><strong>P\u0159\u00edznaky:<\/strong> vibrace r\u00e1mu motoru 12 mm\/s; vibrace lo\u017eisek pouze 2,5 mm\/s.<\/li>\n<li><strong>Frekvence:<\/strong> 120 Hz (2\u00d7 kmito\u010det s\u00edt\u011b p\u0159i nap\u00e1jen\u00ed 60 Hz).<\/li>\n<li><strong>Impact test:<\/strong> odhalila vlastn\u00ed frekvenci r\u00e1mu 118 Hz \u2014 t\u00e9m\u011b\u0159 p\u0159esn\u011b na bud\u00edc\u00ed frekvenci.<\/li>\n<li><strong>Hlavn\u00ed p\u0159\u00ed\u010dina:<\/strong> r\u00e1m rezonoval na elektromagnetick\u00e9 bud\u00edc\u00ed frekvenci.<\/li>\n<li><strong>\u0158e\u0161en\u00ed:<\/strong> byly p\u0159id\u00e1ny \u010dty\u0159i v\u00fdztuhy z \u00faheln\u00edku, spojuj\u00edc\u00ed patky motoru s \u010deln\u00edmi \u0161t\u00edty.<\/li>\n<li><strong>V\u00fdsledek:<\/strong> vlastn\u00ed frekvence r\u00e1mu se posunula na 165 Hz a vibrace klesly na 3,2 mm\/s \u2014 pohodln\u011b zp\u011bt do p\u0159ijateln\u00e9ho rozsahu podle <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/iso-20816-3\/\">ISO 20816-3<\/a> (modern\u00ed n\u00e1stupce ISO 10816-3).<\/li>\n<li><strong>N\u00e1klady:<\/strong> p\u0159ibli\u017en\u011b 200 USD za materi\u00e1l oproti p\u0159ibli\u017en\u011b 8 000 USD za v\u00fdm\u011bnu motoru.<\/li>\n<\/ul>\n<p>Rezonance r\u00e1mu je b\u011b\u017en\u00fd, ale \u010dasto chybn\u011b diagnostikovan\u00fd probl\u00e9m s vibracemi. Rozpozn\u00e1n\u00ed charakteristick\u00fdch p\u0159\u00edznak\u016f \u2014 vysok\u00e9 vibrace r\u00e1mu v porovn\u00e1n\u00ed s vibracemi lo\u017eisek, ost\u0159e frekven\u010dn\u011b specifick\u00e9, siln\u011b z\u00e1visl\u00e9 na poloze \u2014 a uplatn\u011bn\u00ed spr\u00e1vn\u00fdch diagnostick\u00fdch technik (r\u00e1zov\u00e9 zkou\u0161en\u00ed a anal\u00fdza ODS) vede k c\u00edlen\u00fdm oprav\u00e1m, kter\u00e9 mohou v\u00fdrazn\u011b sn\u00ed\u017eit vibrace p\u0159i velmi n\u00edzk\u00fdch n\u00e1kladech.<\/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 r\u00e1mu a zesilov\u00e1n\u00edm vibrac\u00ed, kdy\u017e r\u00e1my, sk\u0159\u00edn\u011b nebo pl\u00e1\u0161t\u011b stroj\u016f rezonuj\u00ed na provozn\u00edch frekvenc\u00edch, co\u017e zp\u016fsobuje nadm\u011brn\u00fd hluk a struktur\u00e1ln\u00ed nam\u00e1h\u00e1n\u00ed.<\/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\/cs\/wp-json\/wp\/v2\/glossary\/125","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\/125\/revisions"}],"predecessor-version":[{"id":101384,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/125\/revisions\/101384"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}