{"id":122,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/forced-vibration\/"},"modified":"2026-05-23T22:43:10","modified_gmt":"2026-05-23T22:43:10","slug":"forced-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/forced-vibration\/","title":{"rendered":"Co je to vynucen\u00e1 vibrace? Vn\u011bj\u0161\u00ed budic\u00ed odezva"},"content":{"rendered":"<h1>Pochopen\u00ed vynucen\u00fdch vibrac\u00ed<\/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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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\/122?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>Vynucen\u00e9 vibrace<\/strong> je kmitav\u00fd pohyb vyvolan\u00fd vn\u011bj\u0161\u00ed periodickou silou p\u016fsob\u00edc\u00ed na mechanick\u00fd syst\u00e9m. Kmit\u00e1n\u00ed prob\u00edh\u00e1 s frekvenc\u00ed p\u016fsob\u00edc\u00ed s\u00edly \u2013 tzv. budic\u00ed frekvenc\u00ed \u2013 a jeho amplituda je \u00fam\u011brn\u00e1 velikosti t\u00e9to s\u00edly a nep\u0159\u00edmo \u00fam\u011brn\u00e1 odporu syst\u00e9mu v\u016f\u010di pohybu p\u0159i dan\u00e9 frekvenci. Drtiv\u00e1 v\u011bt\u0161ina <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> u rota\u010dn\u00edch stroj\u016f se jedn\u00e1 o vynucen\u00e9 kmit\u00e1n\u00ed, jeho\u017e obvykl\u00fdmi p\u0159\u00ed\u010dinami jsou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> (odst\u0159ediv\u00e1 s\u00edla), <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a> (spojovac\u00ed s\u00edly) a aerodynamick\u00e9 \u010di hydraulick\u00e9 pulzace. Vynucen\u00e9 kmit\u00e1n\u00ed se z\u00e1sadn\u011b li\u0161\u00ed od <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/self-excited-vibration\/\">samobuzen\u00e9 vibrace<\/a>, kdy syst\u00e9m s\u00e1m generuje a udr\u017euje vlastn\u00ed kmit\u00e1n\u00ed, a od voln\u00fdch kmit\u016f, tedy p\u0159echodn\u00e9ho dozn\u00edv\u00e1n\u00ed, kter\u00e9 n\u00e1sleduje po impulzu. Pochopen\u00ed t\u011bchto princip\u016f je d\u016fle\u017eit\u00e9, proto\u017ee vysv\u011btluje, jak souvis\u00ed amplituda kmit\u00e1n\u00ed se z\u00e1va\u017enost\u00ed poruchy a jak lze kmit\u00e1n\u00ed regulovat \u2013 bu\u010f sn\u00ed\u017een\u00edm bud\u00edc\u00ed s\u00edly, nebo \u00fapravou odezvy syst\u00e9mu.<\/p>\n<h2>1. Charakteristika nucen\u00fdch vibrac\u00ed<\/h2>\n<h3>Frekven\u010dn\u00ed p\u0159izp\u016fsoben\u00ed<\/h3>\n<ul>\n<li>Vibra\u010dn\u00ed frekvence se rovn\u00e1 frekvenci bud\u00edc\u00edho sign\u00e1lu \u2013 pokud syst\u00e9m bud\u00edme frekvenc\u00ed 30 Hz, vibruje s frekvenc\u00ed 30 Hz.<\/li>\n<li>To je na rozd\u00edl od samovzbuditeln\u00fdchkmit\u016f, kter\u00e9 se v\u00e1\u017e\u00ed na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> bez ohledu na frekvenci buzen\u00ed.<\/li>\n<li>Frekvenci lze tedy odvodit p\u0159\u00edmo ze zdroje p\u016fsoben\u00ed.<\/li>\n<\/ul>\n<h3>\u00dam\u011brnost amplitudy<\/h3>\n<ul>\n<li>Amplituda je \u00fam\u011brn\u00e1 velikosti p\u016fsob\u00edc\u00ed s\u00edly: zdvojn\u00e1sob\u00edte-li s\u00edlu, zdvojn\u00e1sob\u00ed se (v line\u00e1rn\u00edm syst\u00e9mu) i amplituda kmit\u00e1n\u00ed.<\/li>\n<li>Jakmile odstran\u00edte p\u016fsob\u00edc\u00ed s\u00edlu, vibrace ustanou \u2013 a pr\u00e1v\u011b proto je tento jev regulovateln\u00fd.<\/li>\n<\/ul>\n<h3>F\u00e1zov\u00fd vztah<\/h3>\n<ul>\n<li>Existuje ur\u010dit\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> vztah mezi silou a reakc\u00ed.<\/li>\n<li>Tato f\u00e1ze z\u00e1vis\u00ed na pom\u011bru frekvence vn\u011bj\u0161\u00edho p\u016fsoben\u00ed k vlastn\u00ed frekvenci:<\/li>\n<li><strong>Pod rezonanc\u00ed:<\/strong> vibrace jsou v podstat\u011b ve f\u00e1zi s p\u016fsob\u00edc\u00ed silou.<\/li>\n<li><strong>V rezonanci:<\/strong> f\u00e1zov\u00e9 zpo\u017ed\u011bn\u00ed 90\u00b0.<\/li>\n<li><strong>Nad rezonanc\u00ed:<\/strong> f\u00e1zov\u00e9 zpo\u017ed\u011bn\u00ed 180\u00b0.<\/li>\n<\/ul>\n<h3>Stabilita<\/h3>\n<ul>\n<li>Syst\u00e9m je stabiln\u00ed: vibrace jsou omezen\u00e9 a nenar\u016fstaj\u00ed do nekone\u010dna.<\/li>\n<li>Amplituda je ur\u010dov\u00e1na sou\u010dinnost\u00ed vn\u011bj\u0161\u00edho p\u016fsoben\u00ed a odezvy syst\u00e9mu \u2013 na rozd\u00edl od nestabiln\u00edch samovzbuditeln\u00fdch kmit\u016f, kter\u00e9 mohou eskalovat, dokud je nezastav\u00ed nelinearita.<\/li>\n<\/ul>\n<h2>2. B\u011b\u017en\u00e9 funkce vn\u011bj\u0161\u00edho p\u016fsoben\u00ed ve stroj\u00edrenstv\u00ed<\/h2>\n<h3>Nerovnov\u00e1ha \u2014 1\u00d7 p\u016fsoben\u00ed<\/h3>\n<ul>\n<li><strong>S\u00edla:<\/strong> rotuj\u00edc\u00ed odst\u0159ediv\u00e1 s\u00edla zp\u016fsoben\u00e1 excentricitou hmoty.<\/li>\n<li><strong>Frekvence:<\/strong> jednou za ot\u00e1\u010dku (1\u00d7 ot\u00e1\u010dky h\u0159\u00eddele).<\/li>\n<li><strong>Velikost:<\/strong> F = m\u00b7r\u00b7\u03c9\u00b2, tak\u017ee s\u00edla roste s <em>kvadr\u00e1t<\/em> rychlosti.<\/li>\n<li><strong>V\u00fdznam:<\/strong> hlavn\u00ed zdroj vibrac\u00ed u v\u011bt\u0161iny rotuj\u00edc\u00edch za\u0159\u00edzen\u00ed.<\/li>\n<\/ul>\n<p>U t\u00e9to z\u00e1vislosti na \u03c9\u00b2 se vyplat\u00ed se trochu pozastavit: zdvojn\u00e1soben\u00ed ot\u00e1\u010dek zp\u016fsob\u00ed \u010dty\u0159n\u00e1sobn\u00e9 zv\u00fd\u0161en\u00ed s\u00edly nevyv\u00e1\u017eenosti, a proto m\u016f\u017ee rotor, kter\u00fd p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch b\u011b\u017e\u00ed ti\u0161e, p\u0159i zv\u00fd\u0161en\u00ed ot\u00e1\u010dek na provozn\u00ed hodnotu siln\u011b vibrovat. M\u016f\u017eete si to vypo\u010d\u00edtat pomoc\u00ed na\u0161eho <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/centrifugal-force-unbalance\/\">Kalkula\u010dka odst\u0159ediv\u00e9 s\u00edly z nevyv\u00e1\u017eenosti<\/a>.<\/p>\n<h3>Dal\u0161\u00ed hlavn\u00ed zdroje<\/h3>\n<ul>\n<li><strong>Nesouosost \u2014 2\u00d7 p\u016fsoben\u00ed:<\/strong> spojovac\u00ed s\u00edly zp\u016fsoben\u00e9 \u00fahlov\u00fdm nebo paraleln\u00edm posunem, kter\u00e9 vyvol\u00e1vaj\u00ed vibrace o frekvenci dvojn\u00e1sobn\u00e9 oproti ot\u00e1\u010dk\u00e1m h\u0159\u00eddele a vyzna\u010duj\u00ed se charakteristicky vysokou hodnotou. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/axial-vibration\/\">axi\u00e1ln\u00ed<\/a> sou\u010d\u00e1st.<\/li>\n<li><strong>Aerodynamick\u00fd \/ hydraulick\u00fd (pr\u016fchod lopatek):<\/strong> tlakov\u00e9 pulzace zp\u016fsoben\u00e9 interakc\u00ed lopatek se statorem, jejich\u017e frekvence se rovn\u00e1 po\u010dtu lopatek n\u00e1soben\u00e9mu ot\u00e1\u010dkami h\u0159\u00eddele \u2013 charakteristick\u00fd jev u ventil\u00e1tor\u016f, \u010derpadel a kompresor\u016f poh\u00e1n\u011bn\u00fdch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/aerodynamic-forces\/\">aerodynamick\u00e9<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/hydraulic-forces\/\">hydraulick\u00e9 s\u00edly<\/a>.<\/li>\n<li><strong>S\u00edly zubov\u00e9ho z\u00e1b\u011bru:<\/strong> z\u00e1b\u011br zub\u016f, kter\u00fd zp\u016fsobuje periodick\u00e9 zat\u00ed\u017een\u00ed odpov\u00eddaj\u00edc\u00ed sou\u010dinu po\u010dtu zub\u016f a ot\u00e1\u010dek h\u0159\u00eddele ( <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-mesh-frequency\/\">frekvence z\u00e1b\u011bru ozuben\u00fdch kol<\/a>), p\u0159i\u010dem\u017e jej\u00ed velikost z\u00e1vis\u00ed na p\u0159en\u00e1\u0161en\u00e9m to\u010div\u00e9m momentu a kvalit\u011b zub\u016f.<\/li>\n<li><strong>Elektromagnetick\u00e9 s\u00edly:<\/strong> kol\u00eds\u00e1n\u00ed magnetick\u00e9ho pole v motorech a gener\u00e1torech p\u0159i dvojn\u00e1sobku s\u00ed\u0165ov\u00e9 frekvence (120 Hz p\u0159i nap\u00e1jen\u00ed 60 Hz, 100 Hz p\u0159i 50 Hz) \u2013 zejm\u00e9na nez\u00e1visl\u00e9 na mechanick\u00fdch ot\u00e1\u010dk\u00e1ch, asynchronn\u00ed p\u016fsoben\u00ed.<\/li>\n<\/ul>\n<h2>3. Reakce na vn\u011bj\u0161\u00ed p\u016fsoben\u00ed: Jak se syst\u00e9m chov\u00e1<\/h2>\n<p>Stejn\u00e1 s\u00edla vyvol\u00e1v\u00e1 zna\u010dn\u011b odli\u0161n\u00e9 amplitudy v z\u00e1vislosti na tom, kde se frekvence p\u016fsob\u00edc\u00ed s\u00edly nach\u00e1z\u00ed vzhledem k vlastn\u00ed frekvenci syst\u00e9mu. Tento jev lze popsat t\u0159emi re\u017eimy.<\/p>\n<h3>Pod vlastn\u00ed frekvenc\u00ed (\u0159\u00edzen\u00e9 tuhost\u00ed)<\/h3>\n<ul>\n<li>Amplituda \u2248 s\u00edla \u00f7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">Tuhost<\/a>.<\/li>\n<li>Odezva je ve f\u00e1zi s p\u016fsoben\u00edm vn\u011bj\u0161\u00edho podn\u011btu.<\/li>\n<li>U sil z\u00e1visl\u00fdch na rychlosti se amplituda zvy\u0161uje s rostouc\u00ed rychlost\u00ed.<\/li>\n<li>Typick\u00e1 provozn\u00ed oblast pro v\u011bt\u0161inu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rigid-rotor\/\">tuh\u00e9 rotory<\/a>.<\/li>\n<\/ul>\n<h3>P\u0159i vlastn\u00ed frekvenci (rezonanci)<\/h3>\n<ul>\n<li>Amplituda \u2248 s\u00edla \u00f7 (tlumen\u00ed \u00d7 vlastn\u00ed frekvence).<\/li>\n<li>Zes\u00edleno faktorem Q, obvykle 10\u201350\u00d7.<\/li>\n<li>F\u00e1zov\u00e9 zpo\u017ed\u011bn\u00ed 90\u00b0 a mal\u00e9 s\u00edly nyn\u00ed vyvol\u00e1vaj\u00ed siln\u00e9 vibrace.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">Tlumen\u00ed<\/a> je to jedin\u00e9, co omezuje amplitudu \u2014 praktick\u00fd v\u00fdznam <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a>.<\/li>\n<\/ul>\n<h3>Nad vlastn\u00ed frekvenc\u00ed (\u0159\u00edzen\u00e9 hmotnost\u00ed)<\/h3>\n<ul>\n<li>Amplituda \u2248 s\u00edla \u00f7 (hmotnost \u00d7 frekvence\u00b2).<\/li>\n<li>F\u00e1zov\u00e9 zpo\u017ed\u011bn\u00ed 180\u00b0 \u2013 kmit\u00e1n\u00ed prob\u00edh\u00e1 v opa\u010dn\u00e9m sm\u011bru ne\u017e s\u00edla.<\/li>\n<li>S rostouc\u00ed frekvenc\u00ed kles\u00e1 amplituda.<\/li>\n<li>Provozn\u00ed oblast pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/flexible-rotor\/\">flexibiln\u00ed rotory<\/a> b\u011b\u017e\u00ed nad jejich <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e9 rychlosti<\/a>.<\/li>\n<\/ul>\n<h2>4. Nucen\u00e9 kmit\u00e1n\u00ed vs. jin\u00e9 typy<\/h2>\n<h3>Vynucen\u00e9 vs. voln\u00e9 kmit\u00e1n\u00ed<\/h3>\n<ul>\n<li><strong>Vynucen\u00e9:<\/strong> Nep\u0159etr\u017eit\u00e9 p\u016fsoben\u00ed, trval\u00e9 vibrace, na p\u016fsobic\u00ed frekvenci<\/li>\n<li><strong>Voln\u00e9:<\/strong> impulzn\u00ed odezva, kter\u00e1 se p\u0159i vlastn\u00ed frekvenci postupn\u011b utlumuje.<\/li>\n<li><strong>P\u0159\u00edklad:<\/strong> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a> vyvol\u00e1v\u00e1 voln\u00e9 kmit\u00e1n\u00ed; b\u011b\u017e\u00edc\u00ed stroj vyvol\u00e1v\u00e1 vynucen\u00e9 kmit\u00e1n\u00ed.<\/li>\n<\/ul>\n<h3>Vynucen\u00e9 vs. samovoln\u00e9 kmit\u00e1n\u00ed<\/h3>\n<ul>\n<li><strong>Vynucen\u00e9:<\/strong> vn\u011bj\u0161\u00ed s\u00edla, amplituda \u00fam\u011brn\u00e1 t\u00e9to s\u00edle, stabiln\u00ed.<\/li>\n<li><strong>Samobudic\u00ed:<\/strong> vnit\u0159n\u00ed zdroj energie, amplituda omezena pouze nelinearitou, nestabiln\u00ed.<\/li>\n<li><strong>P\u0159\u00edklady:<\/strong> nevyv\u00e1\u017een\u00ed je vynucen\u00e9; <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/oil-whirl\/\">olejov\u00fd v\u00edr<\/a> je samobud\u00edc\u00ed.<\/li>\n<\/ul>\n<h2>5. \u0158\u00edzen\u00ed a zm\u00edr\u0148ov\u00e1n\u00ed<\/h2>\n<h3>Sni\u017ete vynucen\u00ed (obvykle nejlep\u0161\u00ed \u0159e\u0161en\u00ed)<\/h3>\n<ul>\n<li><strong>Vyva\u017eov\u00e1n\u00ed:<\/strong> p\u0159\u00edmo sni\u017euje vynucen\u00e9 buzen\u00ed a p\u0159edstavuje nejb\u011b\u017en\u011bj\u0161\u00ed n\u00e1pravn\u00e9 opat\u0159en\u00ed.<\/li>\n<li><strong>Zarovn\u00e1n\u00ed:<\/strong> sni\u017euje s\u00edly zp\u016fsoben\u00e9 nesouosost\u00ed.<\/li>\n<li><strong>Opravy z\u00e1vad:<\/strong> vy\u0159e\u0161it mechanick\u00e9 probl\u00e9my, kter\u00e9 tyto s\u00edly zp\u016fsobuj\u00ed.<\/li>\n<li><strong>Nej\u00fa\u010dinn\u011bj\u0161\u00ed:<\/strong> odstran\u011bn\u00ed nebo minimalizace zdroje buzen\u00ed p\u0159\u00edmo v m\u00edst\u011b jeho vzniku.<\/li>\n<\/ul>\n<h3>Upravte odezvu syst\u00e9mu nebo zabra\u0148te rezonanci<\/h3>\n<ul>\n<li><strong>Zm\u011bna tuhosti nebo hmotnosti:<\/strong> Posu\u0148me vlastn\u00ed frekvence od vynucovac\u00edch frekvenc\u00ed<\/li>\n<li><strong>P\u0159idejte tlumen\u00ed:<\/strong> oslabit rezonan\u010dn\u00ed zes\u00edlen\u00ed.<\/li>\n<li><strong>Izolace:<\/strong> sn\u00ed\u017eit p\u0159enos sil do nosn\u00e9 konstrukce.<\/li>\n<li><strong>Vyhn\u011bte se rezonanci:<\/strong> Dbejte na to, aby provozn\u00ed frekvence byly v\u017edy mimo rozsah vlastn\u00edch frekvenc\u00ed, a to s bezpe\u010dnostn\u00ed rezervou p\u0159ibli\u017en\u011b \u00b120\u201330 %, co\u017e je ov\u011b\u0159eno anal\u00fdzou ve f\u00e1zi n\u00e1vrhu a je-li nevyhnuteln\u00e1 kolize, je zaji\u0161t\u011bno omezen\u00edm rychlosti.<\/li>\n<\/ul>\n<h2>6. Praktick\u00fd v\u00fdznam a diagnostika<\/h2>\n<p>Jeliko\u017e jsou t\u00e9m\u011b\u0159 v\u0161echny vibrace stroj\u016f vyvol\u00e1ny vn\u011bj\u0161\u00edmi vlivy \u2013 nevyv\u00e1\u017eenost\u00ed, nesouosost\u00ed, z\u00e1b\u011brem ozuben\u00fdch kol a podobn\u011b \u2013, jsou tak\u00e9 p\u0159edv\u00eddateln\u00e9 a regulovateln\u00e9, a standardn\u00ed \u00fadr\u017eb\u00e1\u0159sk\u00e9 z\u00e1sahy, jako je vyva\u017eov\u00e1n\u00ed a vyrovn\u00e1n\u00ed, funguj\u00ed pr\u00e1v\u011b proto, \u017ee \u0159e\u0161\u00ed p\u0159\u00ed\u010dinu t\u011bchto vibrac\u00ed. Z toho p\u0159\u00edmo vypl\u00fdv\u00e1 diagnostick\u00fd postup: identifikovat bud\u00edc\u00ed frekvenci na z\u00e1klad\u011b spektra, p\u0159i\u0159adit ji ke zn\u00e1m\u00e9mu zdroji (1\u00d7, 2\u00d7, z\u00e1b\u011br ozuben\u00fdch kol, pr\u016fchod lopatky), diagnostikovat tento zdroj a sn\u00ed\u017eit bud\u00edc\u00ed s\u00edlu pomoc\u00ed vhodn\u00e9 \u00fadr\u017eby.<\/p>\n<p>Pr\u00e1v\u011b zde p\u0159ich\u00e1z\u00ed ke slovu ter\u00e9nn\u00ed m\u011b\u0159ic\u00ed technika. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed vibrace <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/amplitude\/\">amplituda<\/a> a f\u00e1zi p\u0159i provozn\u00edch ot\u00e1\u010dk\u00e1ch umo\u017e\u0148uje na z\u00e1klad\u011b anal\u00fdzy spektra odli\u0161it \u0161pi\u010dku zp\u016fsobenou 1\u00d7 nevyv\u00e1\u017eenost\u00ed od \u0161pi\u010dky zp\u016fsoben\u00e9 2\u00d7 nesouosost\u00ed a \u2013 po identifikaci nevyv\u00e1\u017eenosti jako dominantn\u00ed bud\u00edc\u00ed s\u00edly \u2013 ji okam\u017eit\u011b koriguje t\u00edm, \u017ee <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> rotor ve vlastn\u00edch lo\u017eisc\u00edch. Pr\u00e1v\u011b m\u011b\u0159en\u00ed f\u00e1ze i amplitudy odli\u0161uje probl\u00e9m s vynucen\u00edm od probl\u00e9mu s rezonanc\u00ed, proto\u017ee se tyto jevy p\u0159i zm\u011bn\u00e1ch ot\u00e1\u010dek chovaj\u00ed zcela odli\u0161n\u011b.<\/p>\n<p>Nucen\u00e9 kmit\u00e1n\u00ed je z\u00e1kladn\u00edm typem kmit\u00e1n\u00ed u rota\u010dn\u00edch stroj\u016f, k n\u011bmu\u017e doch\u00e1z\u00ed v\u017edy, kdy\u017e na syst\u00e9m p\u016fsob\u00ed vn\u011bj\u0161\u00ed periodick\u00e1 s\u00edla. Porozum\u011bn\u00ed jeho princip\u016fm \u2013 shod\u011b frekvenc\u00ed, \u00fam\u011brnosti amplitudy a oblastem odezvy z\u00e1visl\u00fdm na tuhosti, tlumen\u00ed a hmotnosti \u2013 umo\u017e\u0148uje spr\u00e1vnou diagnostiku zdroj\u016f kmit\u00e1n\u00ed, volbu vhodn\u00fdch n\u00e1pravn\u00fdch opat\u0159en\u00ed (sn\u00ed\u017een\u00ed bud\u00edc\u00ed s\u00edly nebo \u00faprava odezvy) a n\u00e1vrhov\u00e9 strategie, kter\u00e9 udr\u017euj\u00ed kmit\u00e1n\u00ed na n\u00edzk\u00e9 \u00farovni prost\u0159ednictv\u00edm sn\u00ed\u017een\u00ed bud\u00edc\u00ed s\u00edly a zamezen\u00ed rezonanci.<\/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 vynucen\u00fdmi vibracemi, kmity zp\u016fsoben\u00fdmi vn\u011bj\u0161\u00edmi periodick\u00fdmi silami, jako je nevyv\u00e1\u017eenost nebo nesouosost, s amplitudou \u00fam\u011brnou vynucen\u00e9mu p\u016fsoben\u00ed a buzen\u00edm s p\u0159izp\u016fsoben\u00edm frekvence.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-122","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/122","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\/122\/revisions"}],"predecessor-version":[{"id":101335,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/122\/revisions\/101335"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}