{"id":143,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/impact-testing\/"},"modified":"2026-05-23T22:36:55","modified_gmt":"2026-05-23T22:36:55","slug":"impact-testing","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/impact-testing\/","title":{"rendered":"Co je to n\u00e1razov\u00e9 testov\u00e1n\u00ed? Technika mod\u00e1ln\u00ed anal\u00fdzy"},"content":{"rendered":"<h1>Pochopen\u00ed testov\u00e1n\u00ed n\u00e1razem<\/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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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\/143?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>Zkou\u0161ky n\u00e1razem<\/strong> \u2014 naz\u00fdvan\u00e1 tak\u00e9 impulzn\u00ed zkou\u0161ka nebo mod\u00e1ln\u00ed anal\u00fdza n\u00e1razem \u2014 je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/modal-analysis\/\">mod\u00e1ln\u00ed testov\u00e1n\u00ed<\/a> technika, p\u0159i kter\u00e9 se pomoc\u00ed m\u011b\u0159ic\u00edho r\u00e1zov\u00e9ho kladiva p\u016fsob\u00ed na konstrukci \u0161irokop\u00e1smov\u00fdmi silov\u00fdmi impulzy a sou\u010dasn\u011b se m\u011b\u0159\u00ed v\u00fdsledn\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> odpov\u011b\u010f s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometry<\/a>. Na z\u00e1klad\u011b sign\u00e1l\u016f s\u00edly a odezvy vypo\u010d\u00edt\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frequency-response-function\/\">funkce frekven\u010dn\u00ed odezvy<\/a> (FRF), kter\u00e9 ukazuj\u00ed, jak struktura reaguje p\u0159i jednotliv\u00fdch frekvenc\u00edch, a odhaluj\u00ed tak jej\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">vlastn\u00ed tvary<\/a>a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a> pom\u011bry \u2013 informace pot\u0159ebn\u00e9 k pochopen\u00ed dynamick\u00e9ho chov\u00e1n\u00ed a diagnostice <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a> probl\u00e9m\u016f.<\/p>\n<p>Zkou\u0161ky n\u00e1razem p\u0159edstavuj\u00ed praktickou alternativu k mod\u00e1ln\u00edm zkou\u0161k\u00e1m na vibra\u010dn\u00edm stole, p\u0159i\u010dem\u017e poskytuj\u00ed podobn\u00e9 informace bez nutnosti pou\u017eit\u00ed t\u011b\u017ek\u00fdch a n\u00e1kladn\u00fdch elektromagnetick\u00fdch vibra\u010dn\u00edch stol\u016f a slo\u017eit\u00fdch up\u00ednac\u00edch p\u0159\u00edpravk\u016f, kter\u00e9 jsou pro tyto zkou\u0161ky nezbytn\u00e9. \u0160iroce se vyu\u017e\u00edvaj\u00ed p\u0159i \u0159e\u0161en\u00ed probl\u00e9m\u016f s rezonanc\u00ed, ov\u011b\u0159ov\u00e1n\u00ed konstruk\u010dn\u00edch \u00faprav a korelaci model\u016f kone\u010dn\u00fdch prvk\u016f v oblasti stroj\u00edrenstv\u00ed a dynamiky konstrukc\u00ed. \u00dazce souvis\u00ed s jednodu\u0161\u0161\u00edmi <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a>, kter\u00fd vyu\u017e\u00edv\u00e1 stejn\u00fd princip impulz\u016f k ur\u010den\u00ed jedn\u00e9 vlastn\u00ed frekvence.<\/p>\n<h2>1. Z\u00e1kladn\u00ed princip<\/h2>\n<p>Tato metoda vych\u00e1z\u00ed z jednoduch\u00e9ho faktu: kr\u00e1tk\u00fd, prudk\u00fd n\u00e1raz vyvol\u00e1 najednou rezonanci v \u0161irok\u00e9m frekven\u010dn\u00edm p\u00e1smu. \u00dader kladivem, kter\u00fd trv\u00e1 jen jednu nebo dv\u011b milisekundy, obsahuje energii rozlo\u017eenou pom\u011brn\u011b rovnom\u011brn\u011b v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu, tak\u017ee rozezn\u00edv\u00e1 v\u0161echny m\u00f3dy v tomto rozsahu sou\u010dasn\u011b. M\u011b\u0159en\u00edm vstupn\u00ed s\u00edly i v\u00fdstupn\u00ed odezvy a jejich vz\u00e1jemn\u00fdm vyd\u011blen\u00edm ve frekven\u010dn\u00ed dom\u00e9n\u011b test izoluje vlastn\u00ed chov\u00e1n\u00ed konstrukce od konkr\u00e9tn\u00edho \u00faderu &#8212; v\u00fdsledek, FRF, je vlastnost\u00ed samotn\u00e9 konstrukce a je nez\u00e1visl\u00fd na s\u00edle \u00faderu.<\/p>\n<h2>2. Vybaven\u00ed<\/h2>\n<h3>P\u0159\u00edstrojov\u00e9 r\u00e1zov\u00e9 kladivo<\/h3>\n<ul>\n<li><strong>Sn\u00edma\u010d s\u00edly:<\/strong> Piezoelektrick\u00fd sn\u00edma\u010d v hlav\u011b kladiva m\u011b\u0159\u00ed s\u00edlu n\u00e1razu.<\/li>\n<li><strong>Hmotnost kladiva:<\/strong> 0,1\u20135 kg, volen\u00e9 podle velikosti konstrukce a po\u017eadovan\u00e9ho frekven\u010dn\u00edho rozsahu.<\/li>\n<li><strong>Vym\u011bniteln\u00e9 hroty:<\/strong> tvrd\u00e9 (ocel), st\u0159edn\u00ed (plast) a m\u011bkk\u00e9 (guma).<\/li>\n<li><strong>V\u00fdstup:<\/strong> sign\u00e1l s\u00edly synchronizovan\u00fd s m\u011b\u0159en\u00edm odezvy.<\/li>\n<li><strong>Typick\u00e9 n\u00e1klady:<\/strong> zhruba $500\u20133000.<\/li>\n<\/ul>\n<h3>Senzory odezvy<\/h3>\n<ul>\n<li>Akcelerometry um\u00edst\u011bn\u00e9 v kl\u00ed\u010dov\u00fdch bodech.<\/li>\n<li>Bu\u010f jeden mobiln\u00ed akcelerometr, nebo v\u00edce pevn\u011b instalovan\u00fdch senzor\u016f.<\/li>\n<li>Frekven\u010dn\u00ed rozsah, kter\u00fd bez probl\u00e9m\u016f spl\u0148uje po\u017eadavky testu.<\/li>\n<\/ul>\n<h3>Sb\u011br dat<\/h3>\n<ul>\n<li>Minim\u00e1ln\u011b dva kan\u00e1ly \u2014 s\u00edla a odezva.<\/li>\n<li>Sou\u010dasn\u00e9 vzorkov\u00e1n\u00ed t\u011bchto kan\u00e1l\u016f je nezbytn\u00e9.<\/li>\n<li>An <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Rychl\u00e1 Fourierova transformace (FFT)<\/a> analyz\u00e1tor nebo specializovan\u00fd software pro mod\u00e1ln\u00ed anal\u00fdzu.<\/li>\n<li>V\u00fdpo\u010det <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/transfer-function\/\">p\u0159enosov\u00e1 funkce<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coherence\/\">koherence<\/a>.<\/li>\n<\/ul>\n<h2>3. Postup zkou\u0161ky<\/h2>\n<h3>Jednobodov\u00e1 FRF<\/h3>\n<ol>\n<li><strong>Namontujte akcelerometr<\/strong> v m\u00edst\u011b odezvy.<\/li>\n<li><strong>Vyberte \u0161pi\u010dku kladiva<\/strong> tak, aby odpov\u00eddala konstrukci a po\u017eadovan\u00e9mu frekven\u010dn\u00edmu rozsahu.<\/li>\n<li><strong>Ude\u0159te do struktury<\/strong> siln\u00fdm a rychl\u00fdm \u00faderem do bodu buzen\u00ed.<\/li>\n<li><strong>Zaznamenejte \u00fadaje<\/strong> \u2014 sign\u00e1ly s\u00edly a odezvy spole\u010dn\u011b.<\/li>\n<li><strong>Vypo\u010d\u00edtejte frekven\u010dn\u00ed odezvu (FRF):<\/strong> H(f) = Odezva(f) \/ S\u00edla(f).<\/li>\n<li><strong>Pr\u016fm\u011br<\/strong> opakov\u00e1n\u00edm 3\u201310kr\u00e1t a v\u00fdpo\u010dtem pr\u016fm\u011bru frekven\u010dn\u00edch odezv\u00edch.<\/li>\n<li><strong>Kontrola koherence<\/strong> za \u00fa\u010delem ov\u011b\u0159en\u00ed kvality dat (koherence &gt; 0,9).<\/li>\n<\/ol>\n<h3>V\u00edcebodov\u00e9 testov\u00e1n\u00ed<\/h3>\n<ul>\n<li><strong>Pohybliv\u00e9 kladivo:<\/strong> zas\u00e1hnout mnoho bod\u016f, p\u0159i\u010dem\u017e akcelerometr z\u016fstane pevn\u00fd.<\/li>\n<li><strong>Pohybliv\u00fd akcelerometr:<\/strong> m\u011b\u0159te jeden pevn\u00fd bod, p\u0159i\u010dem\u017e pohybujete akcelerometr.<\/li>\n<li><strong>V\u00fdsledek:<\/strong> FRF z r\u016fzn\u00fdch m\u00edst odhaluj\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">vlastn\u00ed tvary<\/a>.<\/li>\n<li><strong>S\u00ed\u0165ov\u00e9 testov\u00e1n\u00ed:<\/strong> Systematick\u00e1 m\u0159\u00ed\u017eka bod\u016f poskytuje ucelen\u00fd p\u0159ehled o struktu\u0159e.<\/li>\n<\/ul>\n<h2>4. V\u00fdb\u011br hrot\u016f kladiva<\/h2>\n<h3>Vliv na frekven\u010dn\u00ed obsah<\/h3>\n<ul>\n<li><strong>Tvrd\u00e1 \u0161pi\u010dka (ocelov\u00e1):<\/strong> Kr\u00e1tk\u00e1 doba n\u00e1razu, vysokofrekven\u010dn\u00ed obsah, vhodn\u00e9 pro tuh\u00e9 konstrukce a vysok\u00e9 frekvence (do 10+ kHz)<\/li>\n<li><strong>St\u0159edn\u00ed hrot (nylon\/Delrin):<\/strong> St\u0159edn\u00ed doba trv\u00e1n\u00ed, vyv\u00e1\u017een\u00e9 spektrum, v\u0161eobecn\u00e9 pou\u017eit\u00ed (do 2\u20135 kHz)<\/li>\n<li><strong>M\u011bkk\u00e1 \u0161pi\u010dka (guma):<\/strong> dlouh\u00e1 doba trv\u00e1n\u00ed, d\u016fraz na n\u00edzk\u00e9 frekvence; vhodn\u00e9 pro velk\u00e9, pru\u017en\u00e9 konstrukce (do 500\u20131000 Hz).<\/li>\n<\/ul>\n<p>Logika je stejn\u00e1 jako ta, kter\u00e1 ur\u010duje z\u00e1kladn\u00ed princip: krat\u0161\u00ed a siln\u011bj\u0161\u00ed kontakt p\u0159en\u00e1\u0161\u00ed energii do \u0161ir\u0161\u00edho a vy\u0161\u0161\u00edho frekven\u010dn\u00edho p\u00e1sma, zat\u00edmco m\u011bk\u010d\u00ed a del\u0161\u00ed kontakt ji soust\u0159e\u010fuje do n\u00edzk\u00fdch frekvenc\u00ed. \u0160pi\u010dka se proto vol\u00ed tak, aby energii sm\u011b\u0159ovala pr\u00e1v\u011b do t\u011bch frekven\u010dn\u00edch p\u00e1sem, kter\u00e1 n\u00e1s zaj\u00edmaj\u00ed.<\/p>\n<h3>P\u0159izp\u016fsoben\u00ed hrotu struktu\u0159e<\/h3>\n<ul>\n<li><strong>Lehk\u00e9 konstrukce:<\/strong> mal\u00e9 klad\u00edvko s m\u011bkkou \u0161pi\u010dkou, aby nedo\u0161lo k po\u0161kozen\u00ed a zvon\u011bn\u00ed.<\/li>\n<li><strong>T\u011b\u017ek\u00e9 konstrukce:<\/strong> velk\u00e9 kladivo s tvrd\u0161\u00edm hrotem, kter\u00e9 zajist\u00ed dostate\u010dnou excitaci.<\/li>\n<li><strong>Pravidlo:<\/strong> konstrukce by m\u011bla reagovat z\u0159eteln\u011b, ale ne p\u0159ehnan\u011b \u2013 typick\u00e9 je \u0161pi\u010dkov\u00e9 zrychlen\u00ed v rozmez\u00ed p\u0159ibli\u017en\u011b 1\u201310 g.<\/li>\n<\/ul>\n<h2>5. Kvalita dat<\/h2>\n<h3>Dobr\u00e1 technika n\u00e1razu<\/h3>\n<ul>\n<li>Rychl\u00fd a \u010dist\u00fd \u00fader bez dvojit\u00fdch z\u00e1sah\u016f.<\/li>\n<li>Kladivo se okam\u017eit\u011b odt\u00e1hlo, tak\u017ee nez\u016fstalo v kontaktu.<\/li>\n<li>\u00dader kolm\u00fd na povrch.<\/li>\n<li>Konzistentn\u00ed um\u00edst\u011bn\u00ed \u00faderu.<\/li>\n<li>P\u0159im\u011b\u0159en\u00e1 \u00farove\u0148 s\u00edly.<\/li>\n<\/ul>\n<h3>Validace koherence<\/h3>\n<ul>\n<li>Na str\u00e1nk\u00e1ch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coherence\/\">koherence<\/a> tato funkce ud\u00e1v\u00e1 kvalitu m\u011b\u0159en\u00ed.<\/li>\n<li>Koherence bl\u00ed\u017e\u00edc\u00ed se hodnot\u011b 1,0 (&gt; 0,9) znamen\u00e1, \u017ee data jsou kvalitn\u00ed.<\/li>\n<li>N\u00edzk\u00e1 koherence nazna\u010duje slab\u00fd dopad, \u0161um nebo nelinearitu.<\/li>\n<li>Vylou\u010dte nevhodn\u00e9 \u00fadery a test zopakujte.<\/li>\n<\/ul>\n<p>Nej\u010dast\u011bj\u0161\u00edm zdrojem ru\u0161en\u00ed je dvojit\u00fd z\u00e1sah: do struktury vn\u00e1\u0161\u00ed dva impulsy a naru\u0161uje vstupn\u00ed spektrum, co\u017e je p\u0159esn\u011b ten typ chyby, kterou koherence dok\u00e1\u017ee tak dob\u0159e odhalit \u2013 pokles koherence na frekvenci, kter\u00e1 v\u00e1s zaj\u00edm\u00e1, je sign\u00e1lem k tomu, abyste dan\u00fd pr\u016fm\u011br vy\u0159adili a pokusili se o to znovu.<\/p>\n<h2>6. V\u00fdsledky a jejich interpretace<\/h2>\n<h3>Funkce frekven\u010dn\u00ed odezvy<\/h3>\n<ul>\n<li>Graf amplitudy zn\u00e1zor\u0148uje z\u00e1vislost zes\u00edlen\u00ed na frekvenci.<\/li>\n<li>\u0160pi\u010dky ozna\u010duj\u00ed vlastn\u00ed frekvence a rezonance.<\/li>\n<li>V\u00fd\u0161ka \u0161pi\u010dky odr\u00e1\u017e\u00ed zesilovac\u00ed faktor, kter\u00fd je v nep\u0159\u00edm\u00e9m pom\u011bru k tlumen\u00ed.<\/li>\n<li>Na str\u00e1nk\u00e1ch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> Graf zn\u00e1zor\u0148uje posun o 180\u00b0 v ka\u017ed\u00e9 rezonanci.<\/li>\n<\/ul>\n<h3>Identifikace vlastn\u00ed frekvence<\/h3>\n<ul>\n<li>Uve\u010fte v\u0161echny vrcholy v FRF.<\/li>\n<li>Prvn\u00edm m\u00f3dem je obvykle \u0161pi\u010dka s nejni\u017e\u0161\u00ed frekvenc\u00ed.<\/li>\n<li>Vy\u0161\u0161\u00ed m\u00f3dy se nach\u00e1zej\u00ed ve vy\u0161\u0161\u00edch frekvenc\u00edch.<\/li>\n<li>Porovnejte je s provozn\u00edmi frekvencemi, abyste zjistili, zda nedoch\u00e1z\u00ed k ru\u0161en\u00ed.<\/li>\n<\/ul>\n<h3>Stanoven\u00ed tvarov\u00fdch m\u00f3d\u016f<\/h3>\n<ul>\n<li>Z\u00edskan\u00e9 na z\u00e1klad\u011b testov\u00e1n\u00ed v n\u011bkolika bodech.<\/li>\n<li>Relativn\u00ed amplitudy odezvy p\u0159i rezonanci ur\u010duj\u00ed tvar v\u00fdchylky.<\/li>\n<li>Software dok\u00e1\u017ee tento tvar animovat.<\/li>\n<li>T\u00edm se ur\u010duje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/nodal-point\/\">uzly<\/a> a antin\u00f3dy jednotliv\u00fdch m\u00f3d\u016f.<\/li>\n<\/ul>\n<h2>7. Vyu\u017eit\u00ed p\u0159i odstra\u0148ov\u00e1n\u00ed poruch stroj\u016f<\/h2>\n<h3>Zji\u0161\u0165ov\u00e1n\u00ed rezonance r\u00e1mu<\/h3>\n<ul>\n<li>N\u00e1raz do motoru nebo r\u00e1mu ventil\u00e1toru.<\/li>\n<li>Identifikujte <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frame-resonance\/\">vlastn\u00ed frekvence r\u00e1mu<\/a>.<\/li>\n<li>Srovnejte je s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">pr\u016fchod lopatkami<\/a> a elektromagnetick\u00e9 frekvence motoru.<\/li>\n<li>Pokud se nalezne shoda, jde o rezonanci.<\/li>\n<\/ul>\n<h3>Testov\u00e1n\u00ed z\u00e1klad\u016f<\/h3>\n<ul>\n<li>Aplikujte n\u00e1raz na z\u00e1kladovou desku nebo z\u00e1klady.<\/li>\n<li>Ur\u010dete jeho vlastn\u00ed frekvence.<\/li>\n<li>Ov\u011b\u0159te, zda je dostate\u010dn\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/foundation-stiffness\/\">tuhost<\/a> a frekven\u010dn\u00ed separace.<\/li>\n<\/ul>\n<h3>Porovn\u00e1n\u00ed p\u0159ed\/po<\/h3>\n<ul>\n<li>P\u0159ed proveden\u00edm konstruk\u010dn\u00edch \u00faprav prove\u010fte zkou\u0161ku.<\/li>\n<li>Pot\u00e9 prove\u010fte nov\u00fd test \u2013 po zpevn\u011bn\u00ed, zv\u00fd\u0161en\u00ed tlumen\u00ed nebo zm\u011bn\u011b hmotnosti.<\/li>\n<li>Ov\u011b\u0159te, zda zm\u011bna p\u0159inesla po\u017eadovan\u00fd v\u00fdsledek.<\/li>\n<li>Vy\u010d\u00edslete, o kolik se situace zlep\u0161ila.<\/li>\n<\/ul>\n<h2>8. Zkou\u0161ky n\u00e1razem v ter\u00e9nu<\/h2>\n<p>Vzhledem k tomu, \u017ee k prov\u00e1d\u011bn\u00ed r\u00e1zov\u00fdch zkou\u0161ek sta\u010d\u00ed pouze m\u011b\u0159ic\u00ed kladivo a dvoukan\u00e1lov\u00fd analyz\u00e1tor, jsou tyto zkou\u0161ky p\u0159irozenou sou\u010d\u00e1st\u00ed v\u00fdbavy ter\u00e9nn\u00edho technika vedle b\u011b\u017en\u00fdch m\u011b\u0159en\u00ed vibrac\u00ed. Pokud stroj vykazuje vysok\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a> vibrace, prvn\u00ed ot\u00e1zkou \u010dasto b\u00fdv\u00e1, zda je p\u0159\u00ed\u010dinou n\u011bjak\u00e1 s\u00edla, jako nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> nebo struktur\u00e1ln\u00ed rezonance zesiluj\u00edc\u00ed b\u011b\u017enou s\u00edlu. P\u0159enosn\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> slou\u017e\u00ed k m\u011b\u0159en\u00ed a, pokud je p\u0159\u00ed\u010dinou nevyv\u00e1\u017eenost, k jej\u00ed n\u00e1prav\u011b pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a>; n\u00e1sledn\u00e1 zkou\u0161ka n\u00e1razem na r\u00e1m nebo z\u00e1klad pak ur\u010d\u00ed, zda je p\u0159etrv\u00e1vaj\u00edc\u00ed vibrace zesilov\u00e1na bl\u00edzkou vlastn\u00ed frekvenc\u00ed \u2013 co\u017e pom\u00e1h\u00e1 p\u0159i rozhodov\u00e1n\u00ed mezi vyv\u00e1\u017een\u00edm rotoru a zpevn\u011bn\u00edm konstrukce.<\/p>\n<p>Zkou\u0161ky n\u00e1razem p\u0159edstavuj\u00ed praktickou a n\u00e1kladov\u011b efektivn\u00ed metodu mod\u00e1ln\u00ed anal\u00fdzy, kter\u00e1 je snadno dostupn\u00e1 pro odborn\u00edky na vibrace pracuj\u00edc\u00ed v ter\u00e9nu. Pouze s pomoc\u00ed kladiva vybaven\u00e9ho sn\u00edma\u010di a analyz\u00e1toru vibrac\u00ed dok\u00e1\u017ee tato metoda identifikovat rezonance konstrukc\u00ed, ov\u011b\u0159it \u00fa\u010dinnost \u00faprav a poskytnout dynamickou charakteristiku pot\u0159ebnou k \u0159e\u0161en\u00ed rezonan\u010dn\u00edch probl\u00e9m\u016f a optimalizaci konstruk\u010dn\u00edch n\u00e1vrh\u016f v oblasti stroj\u016f i stavebn\u00edch aplikac\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>Seznamte se s r\u00e1zov\u00fdmi zkou\u0161kami, pou\u017e\u00edv\u00e1n\u00edm instrumentovan\u00fdch kladiv k buzen\u00ed struktur a m\u011b\u0159en\u00edm frekven\u010dn\u00edch odezvov\u00fdch funkc\u00ed pro mod\u00e1ln\u00ed anal\u00fdzu a charakterizaci struktur\u00e1ln\u00ed dynamiky.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-143","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/143","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\/143\/revisions"}],"predecessor-version":[{"id":101287,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/143\/revisions\/101287"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}