{"id":66,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/bump-test\/"},"modified":"2026-05-23T22:33:04","modified_gmt":"2026-05-23T22:33:04","slug":"bump-test","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/","title":{"rendered":"Co je to n\u00e1razov\u00fd test? Mod\u00e1ln\u00ed anal\u00fdza n\u00e1razu"},"content":{"rendered":"<h1>Pochopen\u00ed n\u00e1razov\u00e9ho testov\u00e1n\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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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\/66?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>A <strong>n\u00e1razov\u00fd test<\/strong> \u2014 naz\u00fdvan\u00e1 tak\u00e9 zkou\u0161ka n\u00e1razem nebo zkou\u0161ka kladivem \u2014 je jednoduch\u00e1 experiment\u00e1ln\u00ed metoda pro zji\u0161t\u011bn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a> vlastnosti konstrukce nebo stroje t\u00edm, \u017ee se do nich ude\u0159\u00ed kladivem (s m\u011b\u0159ic\u00edmi p\u0159\u00edstroji nebo bez nich) a zm\u011b\u0159\u00ed se v\u00fdsledn\u00fd voln\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> odpov\u011b\u010f obsahuj\u00edc\u00ed jednu nebo v\u00edce <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometry<\/a>. Jedin\u00fd prudk\u00fd n\u00e1raz vyvol\u00e1 v\u0161echny konstruk\u010dn\u00ed rezonan\u010dn\u00ed m\u00f3dy najednou a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Rychl\u00e1 Fourierova transformace (FFT)<\/a> z frekven\u010dn\u00ed charakteristiky jsou tyto vlastn\u00ed frekvence patrn\u00e9 jako vrcholy v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">frekven\u010dn\u00ed spektrum<\/a>. Jedn\u00e1 se o nejprakti\u010dt\u011bj\u0161\u00ed metodu pro pr\u00e1ci v ter\u00e9nu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/modal-analysis\/\">mod\u00e1ln\u00ed testov\u00e1n\u00ed<\/a> proto\u017ee k tomu sta\u010d\u00ed pouze kladivo a analyz\u00e1tor vibrac\u00ed \u2013 \u017e\u00e1dn\u00e9 drah\u00e9 elektrodynamick\u00e9 vibra\u010dn\u00ed gener\u00e1tory ani slo\u017eit\u00e9 za\u0159\u00edzen\u00ed. D\u00edky tomu se tato metoda neust\u00e1le vyu\u017e\u00edv\u00e1 p\u0159i odstra\u0148ov\u00e1n\u00ed z\u00e1vad <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a> probl\u00e9my, ov\u011b\u0159ov\u00e1n\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/structural-resonance\/\">struktur\u00e1ln\u00ed rezonance<\/a>a ov\u011b\u0159en\u00ed, zda jsou provozn\u00ed frekvence v bezpe\u010dn\u00e9m odstupu od vlastn\u00edch frekvenc\u00ed.<\/p>\n<h2>1. Definice: Co je to n\u00e1razov\u00e1 zkou\u0161ka?<\/h2>\n<p>Princip testu n\u00e1razem spo\u010d\u00edv\u00e1 v tom, \u017ee n\u00e1raz je z matematick\u00e9ho hlediska velmi kr\u00e1tk\u00fd impuls, kter\u00fd najednou obsahuje energii v \u0161irok\u00e9m frekven\u010dn\u00edm p\u00e1smu. Kdy\u017e je tato \u0161irokop\u00e1smov\u00e1 energie p\u0159ivedena na konstrukci, v\u0161echny rezonan\u010dn\u00ed m\u00f3dy, jejich\u017e vlastn\u00ed frekvence le\u017e\u00ed v \u0161\u00ed\u0159ce p\u00e1sma impulsu, za\u010dnou sou\u010dasn\u011b rezonovat. Konstrukce pot\u00e9 &#8220;vyzn\u00ed&#8221; na sv\u00fdch charakteristick\u00fdch frekvenc\u00edch a odezn\u00edvaj\u00edc\u00ed odezva \u2013 zaznamenan\u00e1 akcelerometrem \u2013 nese otisk t\u011bchto rezonan\u010dn\u00edch m\u00f3d\u016f. P\u0159eveden\u00edm dozvuku do frekven\u010dn\u00ed dom\u00e9ny se ka\u017ed\u00fd m\u00f3d prom\u011bn\u00ed v \u0161pi\u010dku, tak\u017ee jedin\u00fdm klepnut\u00edm lze b\u011bhem n\u011bkolika sekund zmapovat dynamick\u00e9 vlastnosti cel\u00e9ho r\u00e1mu stroje, podstavce nebo potrub\u00ed. Jedn\u00e1 se o praktickou odno\u017e \u0161ir\u0161\u00ed discipl\u00edny <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 zkou\u0161ky<\/a>.<\/p>\n<h2>2. Pot\u0159ebn\u00e9 vybaven\u00ed<\/h2>\n<h3>R\u00e1zov\u00e9 kladivo<\/h3>\n<p>V\u00fdb\u011br kladiva ur\u010duje, zda bude v\u00fdsledek kvantitativn\u00ed, nebo pouze kvalitativn\u00ed.<\/p>\n<h4>Instrumentovan\u00e9 kladivo (preferov\u00e1no)<\/h4>\n<ul>\n<li>Sn\u00edma\u010d s\u00edly zabudovan\u00fd do hlavy kladiva p\u0159\u00edmo m\u011b\u0159\u00ed s\u00edlu n\u00e1razu.<\/li>\n<li>To umo\u017e\u0148uje skute\u010dn\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/transfer-function\/\">p\u0159enosov\u00e1 funkce<\/a> (reakce d\u011blen\u00e1 silou) a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frequency-response-function\/\">funkce frekven\u010dn\u00ed odezvy<\/a> k v\u00fdpo\u010dtu.<\/li>\n<li>V\u00fdsledky jsou kvantitativn\u00ed a opakovateln\u00e9.<\/li>\n<li>Obvykl\u00e1 cena: 500\u20133 000 dolar\u016f.<\/li>\n<\/ul>\n<h4>Neinstrumentovan\u00e9 (jednoduch\u00e9)<\/h4>\n<ul>\n<li>Sta\u010d\u00ed oby\u010dejn\u00e9 kladivo, gumov\u00e1 pali\u010dka nebo dokonce i ruka.<\/li>\n<li>M\u011b\u0159\u00ed se pouze odezva, nikoli s\u00edla.<\/li>\n<li>Poskytuje kvalitativn\u00ed identifikaci frekvenc\u00ed \u2013 ukazuje, kde se nach\u00e1zej\u00ed vrcholy, nikoli v\u0161ak jejich absolutn\u00ed velikost na jednotku s\u00edly.<\/li>\n<li>To pro mnoho ter\u00e9nn\u00edch aplikac\u00ed zcela posta\u010duje.<\/li>\n<li>Zdarma nebo za velmi n\u00edzkou cenu.<\/li>\n<\/ul>\n<h3>M\u011b\u0159en\u00ed odezvy<\/h3>\n<ul>\n<li>Akcelerometr um\u00edst\u011bn\u00fd v m\u00edst\u011b, jeho\u017e odezva n\u00e1s zaj\u00edm\u00e1.<\/li>\n<li>P\u0159ipojen\u00e9 k analyz\u00e1toru vibrac\u00ed nebo k jednotce pro sb\u011br dat.<\/li>\n<li>K identifikaci p\u00edk\u016f je nutn\u00e1 funkce FFT anal\u00fdzy.<\/li>\n<\/ul>\n<h3>Anal\u00fdza<\/h3>\n<ul>\n<li>Rychl\u00e1 Fourierova transformace odezvy.<\/li>\n<li>\u0160pi\u010dky odpov\u00eddaj\u00ed vlastn\u00edm frekvenc\u00edm.<\/li>\n<li>\u0160\u00ed\u0159ka vrcholu je ukazatelem tlumen\u00ed.<\/li>\n<\/ul>\n<h2>3. Postup zkou\u0161ky<\/h2>\n<h3>Z\u00e1kladn\u00ed test n\u00e1razem<\/h3>\n<ol>\n<li><strong>P\u0159ipojte akcelerometr:<\/strong> ve zvolen\u00e9m m\u011b\u0159ic\u00edm bodu odezvy.<\/li>\n<li><strong>Nastaven\u00ed analyz\u00e1toru:<\/strong> v re\u017eimu FFT, v rozsahu frekvenc\u00ed vhodn\u00e9m pro danou konstrukci.<\/li>\n<li><strong>\u00dadrajte do struktury:<\/strong> jedin\u00fd siln\u00fd \u00fader kladivem.<\/li>\n<li><strong>Zaznamenejte odezvu:<\/strong> zaznamenat dozvuk vibrac\u00ed.<\/li>\n<li><strong>Opakovat:<\/strong> n\u011bkolik \u00fader\u016f pro v\u00fdpo\u010det pr\u016fm\u011bru \u2013 obvykle t\u0159i a\u017e deset \u2013 za \u00fa\u010delem vyrovn\u00e1n\u00ed kol\u00eds\u00e1n\u00ed mezi jednotliv\u00fdmi \u00fadery.<\/li>\n<li><strong>Analyse:<\/strong> V\u00fdsledn\u00e1 FFT zobrazuje vrcholy vlastn\u00edch frekvenc\u00ed.<\/li>\n<\/ol>\n<h3>Pokro\u010dil\u00e9 testov\u00e1n\u00ed<\/h3>\n<ul>\n<li>M\u011b\u0159en\u00ed v n\u011bkolika m\u011b\u0159ic\u00edch bodech za \u00fa\u010delem stanoven\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">vlastn\u00ed tvary<\/a>.<\/li>\n<li>Instrumentovan\u00e9 kladivo pro kvantitativn\u00ed p\u0159enosov\u00e9 funkce<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coherence\/\">Koherence<\/a> anal\u00fdza za \u00fa\u010delem ov\u011b\u0159en\u00ed kvality nam\u011b\u0159en\u00fdch dat.<\/li>\n<li>V\u00fdpo\u010det \u00fapln\u00e9 frekven\u010dn\u00ed odezvy (FRF).<\/li>\n<\/ul>\n<h2>4. Aplikace<\/h2>\n<h3>Identifikace rezonance<\/h3>\n<p>Toto je nej\u010dast\u011bj\u0161\u00ed zp\u016fsob pou\u017eit\u00ed. Test ur\u010duje vlastn\u00ed frekvence konstrukce, kter\u00e9 se pot\u00e9 porovn\u00e1vaj\u00ed s provozn\u00edmi frekvencemi stroje &#8211; 1\u00d7, 2\u00d7, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">pr\u016fchod lopatek<\/a>atd. \u2013 s c\u00edlem zjistit, zda za vysok\u00e9 vibrace m\u016f\u017ee rezonance, a ur\u010dit sm\u011br \u00fapravy. Jedn\u00e1 se tak\u00e9 o p\u0159irozen\u00fd prot\u011bj\u0161ek k <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/run-up-analysis\/\">rozjezd<\/a> nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coastdown-analysis\/\">dojezd<\/a> test, kter\u00fd odhaluje stejn\u00e9 rezonance, zat\u00edmco stroj s\u00e1m proch\u00e1z\u00ed r\u016fzn\u00fdmi ot\u00e1\u010dkami.<\/p>\n<h3>Struktur\u00e1ln\u00ed diagnostika<\/h3>\n<ul>\n<li>Zjist\u011bte, kter\u00e9 sou\u010d\u00e1sti jsou slab\u00e9 nebo p\u0159\u00edli\u0161 pru\u017en\u00e9.<\/li>\n<li>Lokalizovat <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/looseness\/\">voln\u00fd<\/a> nebo popraskan\u00e9 struktury, kter\u00e9 posouvaj\u00ed nebo rozd\u011bluj\u00ed o\u010dek\u00e1van\u00e9 p\u00edky.<\/li>\n<li>Zkontrolujte z\u00e1klad nebo upevn\u011bn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a>.<\/li>\n<li>Uve\u010fte srovn\u00e1n\u00ed p\u0159ed a po, aby bylo mo\u017en\u00e9 ov\u011b\u0159it spr\u00e1vnost konstruk\u010dn\u00ed \u00fapravy.<\/li>\n<\/ul>\n<h3>Mod\u00e1ln\u00ed testov\u00e1n\u00ed<\/h3>\n<ul>\n<li>Ur\u010dete spole\u010dn\u011b vlastn\u00ed frekvence, tvarov\u00e9 mody a tlumen\u00ed.<\/li>\n<li>Porovnejte modely vytvo\u0159en\u00e9 metodou kone\u010dn\u00fdch prvk\u016f s nam\u011b\u0159en\u00fdmi skute\u010dn\u00fdmi hodnotami.<\/li>\n<li>Optimalizujte konstruk\u010dn\u00ed n\u00e1vrh.<\/li>\n<\/ul>\n<h2>5. Interpretace<\/h2>\n<h3>Identifikace vlastn\u00edch frekvenc\u00ed<\/h3>\n<ul>\n<li>Vrcholy ve spektru odezvy na n\u00e1raz p\u0159edstavuj\u00ed vlastn\u00ed frekvence.<\/li>\n<li>Ostr\u00e9 vrcholy signalizuj\u00ed n\u00edzk\u00e9 tlumen\u00ed \u2013 a tedy mo\u017een\u00fd probl\u00e9m s rezonanc\u00ed.<\/li>\n<li>\u0160irok\u00e9 vrcholy nazna\u010duj\u00ed vysok\u00e9 tlumen\u00ed, p\u0159i kter\u00e9m nen\u00ed rezonance tak kritick\u00e1.<\/li>\n<li>V\u00edce vrchol\u016f znamen\u00e1, \u017ee jsou p\u0159\u00edtomny v\u00edce m\u00f3d\u016f.<\/li>\n<\/ul>\n<h3>Posouzen\u00ed rizika rezonance<\/h3>\n<ul>\n<li>Pokud se vlastn\u00ed frekvence shoduje s provozn\u00ed frekvenc\u00ed v rozmez\u00ed p\u0159ibli\u017en\u011b \u00b120 %, hroz\u00ed nebezpe\u010d\u00ed rezonance.<\/li>\n<li>Pokud jsou od sebe dostate\u010dn\u011b vzd\u00e1len\u00e9 \u2013 tedy o v\u00edce ne\u017e asi 30 % \u2013, je tento stav obecn\u011b bezpe\u010dn\u00fd.<\/li>\n<li>V\u00fd\u0161ka vrcholu ud\u00e1v\u00e1, jak siln\u00e9 zes\u00edlen\u00ed lze o\u010dek\u00e1vat.<\/li>\n<\/ul>\n<h3>Odhad tlumen\u00ed<\/h3>\n<ul>\n<li>Zm\u011b\u0159te \u0161\u00ed\u0159ku vrcholu v polovin\u011b jeho maxim\u00e1ln\u00ed v\u00fd\u0161ky.<\/li>\n<li>Calculate the <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/damping-ratio-calculator\/\">tlumic\u00ed pom\u011br<\/a> z t\u00e9to \u0161\u00ed\u0159ky p\u00e1sma (metoda polovi\u010dn\u00edho v\u00fdkonu).<\/li>\n<li>Alternativn\u011b ji odvo\u010fte z rychlosti \u00fatlumu dozvuku v \u010dasov\u00e9 oblasti.<\/li>\n<\/ul>\n<h2>6. V\u00fdhody a omezen\u00ed<\/h2>\n<p>Hlavn\u00ed v\u00fdhodou bump testu je jeho naprost\u00e1 prakti\u010dnost, nese si v\u0161ak sebou kompromisy, kter\u00e9 by analytik m\u011bl respektovat.<\/p>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li><strong>Jednoduchost:<\/strong> minim\u00e1ln\u00ed vybaven\u00ed, instalace b\u011bhem n\u011bkolika minut, k buzen\u00ed nen\u00ed pot\u0159eba nap\u00e1jen\u00ed a lze to prov\u00e9st t\u00e9m\u011b\u0159 kdekoli a kdykoli.<\/li>\n<li><strong>\u0160irokop\u00e1smov\u00e9 buzen\u00ed:<\/strong> Jeden n\u00e1raz vyvol\u00e1 odezvu v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu najednou, tak\u017ee v\u0161echny mody jsou identifikov\u00e1ny v jedin\u00e9m testu \u2013 co\u017e je mnohem rychlej\u0161\u00ed ne\u017e u zametac\u00edch sinusov\u00fdch metod.<\/li>\n<li><strong>Praktick\u00e9 vyu\u017eit\u00ed v ter\u00e9nu:<\/strong> nen\u00ed t\u0159eba p\u0159epravovat \u017e\u00e1dn\u00e9 velk\u00e9 za\u0159\u00edzen\u00ed, funguje na ji\u017e nainstalovan\u00fdch stroj\u00edch a je dostate\u010dn\u011b rychl\u00fd pro b\u011b\u017en\u00e9 diagnostick\u00e9 pr\u00e1ce <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/troubleshooting\/\">troubleshooting<\/a>.<\/li>\n<\/ul>\n<h3>Omezen\u00ed<\/h3>\n<ul>\n<li><strong>Opakovatelnost:<\/strong> S\u00edla n\u00e1razu se mezi jednotliv\u00fdmi \u00fadery li\u0161\u00ed; pom\u00e1h\u00e1 proto pr\u016fm\u011brov\u00e1n\u00ed n\u011bkolika n\u00e1raz\u016f a m\u011b\u0159ic\u00ed kladivo zaji\u0161\u0165uje konzistentn\u00ed a p\u0159esn\u011b odm\u011b\u0159enou s\u00edlu.<\/li>\n<li><strong>Silov\u00e9 spektrum:<\/strong> Spektrum dopadu z\u00e1vis\u00ed na hmotnosti kladiva a tvrdosti jeho \u0161pi\u010dky \u2013 m\u011bkk\u00e1 \u0161pi\u010dka vkl\u00e1d\u00e1 v\u00edce energie do n\u00edzk\u00fdch frekvenc\u00ed, tvrd\u00e1 \u0161pi\u010dka do vysok\u00fdch frekvenc\u00ed \u2013, tak\u017ee jedno kladivo nemus\u00ed v\u0161echny frekvence rozkmitat stejn\u011b.<\/li>\n<li><strong>N\u00edzk\u00e9 hodnoty s\u00edly:<\/strong> Tento test nedok\u00e1\u017ee napodobit provozn\u00ed podm\u00ednky s vysok\u00fdmi silami, tak\u017ee nelinearity z\u00e1visl\u00e9 na zat\u00ed\u017een\u00ed nemus\u00ed b\u00fdt vyvol\u00e1ny, co\u017e jej \u010din\u00ed nevhodn\u00fdm pro testov\u00e1n\u00ed odezvy p\u0159i vysok\u00fdch zat\u00ed\u017een\u00edch.<\/li>\n<\/ul>\n<h2>7. R\u00e1zov\u00e1 zkou\u0161ka v praktick\u00e9 pr\u00e1ci s rotorem<\/h2>\n<p>Zkou\u0161ka n\u00e1razem a rotor <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyva\u017eov\u00e1n\u00ed<\/a> jsou v t\u00e9to oblasti \u00fazce propojeny, proto\u017ee struktura, kter\u00e1 rezonuje v bl\u00edzkosti provozn\u00ed rychlosti, bude napodobovat \u2013 nebo v\u00fdrazn\u011b zveli\u010dovat \u2013 zd\u00e1nliv\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>Ne\u017e se in\u017een\u00fdr pust\u00ed do oprav, m\u011bl by se ujistit, \u017ee podp\u011bra nerezonuje; v opa\u010dn\u00e9m p\u0159\u00edpad\u011b by <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> a hodnoty amplitudy pou\u017eit\u00e9 pro vyva\u017eov\u00e1n\u00ed budou v bl\u00edzkosti t\u00e9to kritick\u00e9 oblasti zkreslen\u00e9. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd p\u0159\u00edstroj, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed amplitudu a f\u00e1zi 1\u00d7 pot\u0159ebn\u00e9 pro vyva\u017eov\u00e1n\u00ed v jedn\u00e9 a dvou rovin\u00e1ch a tyt\u00e9\u017e akcelerometry mohou zaznamenat dozvuk p\u0159i r\u00e1zov\u00e9 zkou\u0161ce, aby se ov\u011b\u0159ilo, \u017ee vlastn\u00ed frekvence podstavce nebo z\u00e1kladov\u00e9 desky nenach\u00e1z\u00ed rezonanci v rozsahu provozn\u00edch ot\u00e1\u010dek. Stru\u010dn\u011b \u0159e\u010deno, r\u00e1zov\u00e1 zkou\u0161ka je jednoduch\u00fd, ale \u00fa\u010dinn\u00fd zp\u016fsob mapov\u00e1n\u00ed vlastn\u00edch frekvenc\u00ed a rezonanc\u00ed konstrukce pouze pomoc\u00ed kladiva a analyz\u00e1toru \u2013 jedn\u00e1 se o nezbytn\u00fd n\u00e1stroj pro diagnostiku rezonanc\u00ed, ov\u011b\u0159ov\u00e1n\u00ed \u00faprav a prov\u00e1d\u011bn\u00ed rychl\u00fdch mod\u00e1ln\u00edch pr\u016fzkum\u016f bez specializovan\u00e9ho testovac\u00edho vybaven\u00ed.<\/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>Zjist\u011bte v\u00edce o \u00fadern\u00edch zkou\u0161k\u00e1ch, kdy se struktury kladivem ude\u0159\u00ed k buzen\u00ed vlastn\u00edch frekvenc\u00ed, identifikaci rezonanc\u00ed a prov\u00e1d\u011bn\u00ed mod\u00e1ln\u00ed anal\u00fdzy bez specializovan\u00e9ho vibra\u010dn\u00edho za\u0159\u00edzen\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-66","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/66","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\/66\/revisions"}],"predecessor-version":[{"id":101275,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/66\/revisions\/101275"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}