{"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\/sk\/glossary\/bump-test\/","title":{"rendered":"\u010co je to n\u00e1razov\u00fd test? Mod\u00e1lna anal\u00fdza n\u00e1razu"},"content":{"rendered":"<h1>Pochopenie n\u00e1razov\u00e9ho testovania<\/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\/sk\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\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 vibr\u00e1ci\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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\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 tachometer)\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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\u00e1klad\u0148a.\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 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\u00e1 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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 s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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 tie\u017e r\u00e1zov\u00e1 sk\u00fa\u0161ka alebo sk\u00fa\u0161ka kladivom \u2014 je jednoduch\u00e1 experiment\u00e1lna met\u00f3da na ur\u010denie <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e9 frekvencie<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/damping\/\">tlmenie<\/a> vlastnosti kon\u0161trukcie alebo stroja \u00faderom kladivom (s merac\u00edmi pr\u00edstrojmi alebo bez nich) a meran\u00edm v\u00fdsledn\u00e9ho vo\u013en\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> odpove\u010f s jedn\u00fdm alebo viacer\u00fdmi <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/accelerometer\/\">akcelerometre<\/a>. Jedin\u00fd prudk\u00fd n\u00e1raz vyvol\u00e1 naraz v\u0161etky kon\u0161truk\u010dn\u00e9 rezonan\u010dn\u00e9 m\u00f3dy a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fft\/\">R\u00fdchla premena funkcie (FFT)<\/a> z charakteristiky sa tieto vlastn\u00e9 frekvencie prejavuj\u00fa ako vrcholy v <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">frekven\u010dn\u00e9 spektrum<\/a>. Ide o najpraktickej\u0161iu met\u00f3du pre ter\u00e9n <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/modal-analysis\/\">mod\u00e1lne testovanie<\/a> preto\u017ee na to sta\u010d\u00ed len kladivo a analyz\u00e1tor vibr\u00e1ci\u00ed \u2013 \u017eiadne drah\u00e9 elektrodynamick\u00e9 vibra\u010dn\u00e9 zariadenia ani zlo\u017eit\u00e9 nastavenie. V d\u00f4sledku toho sa neust\u00e1le vyu\u017e\u00edva na odstra\u0148ovanie por\u00fach <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a> probl\u00e9my, overovanie <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/structural-resonance\/\">\u0161truktur\u00e1lne rezonancie<\/a>a overen\u00edm, \u010di s\u00fa prev\u00e1dzkov\u00e9 frekvencie dostato\u010dne oddelen\u00e9 od vlastn\u00fdch frekvenci\u00ed.<\/p>\n<h2>1. Defin\u00edcia: \u010co je to bump test?<\/h2>\n<p>Princ\u00edp testu n\u00e1razom spo\u010d\u00edva v tom, \u017ee n\u00e1raz je z matematick\u00e9ho h\u013eadiska ve\u013emi kr\u00e1tky impulz, ktor\u00fd naraz obsahuje energiu v \u0161irokom frekven\u010dnom p\u00e1sme. Ke\u010f sa t\u00e1to \u0161irokop\u00e1smov\u00e1 energia prenesie na kon\u0161trukciu, v\u0161etky m\u00f3dy, ktor\u00fdch vlastn\u00e1 frekvencia le\u017e\u00ed v \u0161\u00edrke p\u00e1sma impulzu, za\u010dn\u00fa rezonova\u0165 s\u00fa\u010dasne. Kon\u0161trukcia potom \u201evyznieva\u201c na svojich vlastn\u00fdch preferovan\u00fdch frekvenci\u00e1ch a doznievaj\u00faca odozva \u2013 zachyten\u00e1 akcelerometrom \u2013 nesie odtla\u010dok t\u00fdchto m\u00f3dov. Premenou doznievania na frekven\u010dn\u00fa oblas\u0165 sa ka\u017ed\u00fd m\u00f3d premen\u00ed na vrchol, tak\u017ee jedn\u00fdm \u00faderom je mo\u017en\u00e9 v priebehu sek\u00fand zmapova\u0165 dynamick\u00fd charakter cel\u00e9ho r\u00e1mu stroja, podstavca alebo potrubia. Je to praktick\u00e1 obdoba \u0161ir\u0161ej discipl\u00edny <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 sk\u00fa\u0161ky<\/a>.<\/p>\n<h2>2. Potrebn\u00e9 vybavenie<\/h2>\n<h3>R\u00e1zov\u00e9 kladivo<\/h3>\n<p>Vo\u013eba kladiva ur\u010duje, \u010di bude v\u00fdsledok kvantitat\u00edvny, alebo iba kvalitat\u00edvny.<\/p>\n<h4>In\u0161trumentovan\u00e9 kladivo (preferovan\u00e9)<\/h4>\n<ul>\n<li>Sn\u00edma\u010d sily zabudovan\u00fd v hlave kladiva priamo meria n\u00e1razov\u00fa silu.<\/li>\n<li>To umo\u017e\u0148uje skuto\u010dn\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/transfer-function\/\">prenosov\u00e1 funkcia<\/a> (odozva delen\u00e1 silou) a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/frequency-response-function\/\">funkcia frekven\u010dnej odozvy<\/a> ktor\u00e9 sa maj\u00fa vypo\u010d\u00edta\u0165.<\/li>\n<li>V\u00fdsledky s\u00fa kvantitat\u00edvne a reprodukovate\u013en\u00e9.<\/li>\n<li>Typick\u00e1 cena: 500\u20133 000 $.<\/li>\n<\/ul>\n<h4>Nein\u0161trumentovan\u00e9 (jednoduch\u00e9)<\/h4>\n<ul>\n<li>Sta\u010d\u00ed oby\u010dajn\u00e9 kladivo, gumov\u00e1 pali\u010dka alebo aj ruka.<\/li>\n<li>Meria sa len reakcia, nie sila.<\/li>\n<li>Poskytuje kvalitat\u00edvnu identifik\u00e1ciu frekvencie \u2013 ukazuje, kde sa nach\u00e1dzaj\u00fa vrcholy, nie v\u0161ak ich absol\u00fatnu ve\u013ekos\u0165 na jednotku sily.<\/li>\n<li>Pre mnoh\u00e9 ter\u00e9nne aplik\u00e1cie je to \u00faplne posta\u010duj\u00face.<\/li>\n<li>Zadarmo alebo za ve\u013emi n\u00edzku cenu.<\/li>\n<\/ul>\n<h3>Meranie odozvy<\/h3>\n<ul>\n<li>Akcelerometer umiestnen\u00fd v mieste, ktor\u00e9 n\u00e1s zauj\u00edma.<\/li>\n<li>Pripojen\u00e9 k analyz\u00e1toru vibr\u00e1ci\u00ed alebo zariadeniu na zber \u00fadajov.<\/li>\n<li>Na identifik\u00e1ciu p\u00edkov je potrebn\u00e1 schopnos\u0165 FFT anal\u00fdzy.<\/li>\n<\/ul>\n<h3>Anal\u00fdza<\/h3>\n<ul>\n<li>R\u00fdchla Fourierova transform\u00e1cia (FFT) odozvov\u00e9ho sign\u00e1lu.<\/li>\n<li>Vrcholy zodpovedaj\u00fa vlastn\u00fdm frekvenci\u00e1m.<\/li>\n<li>\u0160\u00edrka vrcholu je ukazovate\u013eom tlmenia.<\/li>\n<\/ul>\n<h2>3. Postup testovania<\/h2>\n<h3>Z\u00e1kladn\u00fd n\u00e1razov\u00fd test<\/h3>\n<ol>\n<li><strong>Pripevnite akcelerometer:<\/strong> v zvolenom bode merania odozvy.<\/li>\n<li><strong>Nastavte analyz\u00e1tor:<\/strong> v re\u017eime FFT, v frekven\u010dnom rozsahu vhodnom pre dan\u00fa kon\u0161trukciu.<\/li>\n<li><strong>Udrite do kon\u0161trukcie:<\/strong> jedin\u00fd siln\u00fd \u00fader kladivom.<\/li>\n<li><strong>Zaznamenajte odpove\u010f:<\/strong> zaznamena\u0165 dozvuk vibr\u00e1ci\u00ed.<\/li>\n<li><strong>Opakujte:<\/strong> nieko\u013eko meran\u00ed na v\u00fdpo\u010det priemeru \u2013 zvy\u010dajne tri a\u017e desa\u0165 \u2013 s cie\u013eom vyrovna\u0165 kol\u00edsanie medzi jednotliv\u00fdmi meraniami.<\/li>\n<li><strong>Analyzujte:<\/strong> V\u00fdsledn\u00e1 FFT zobrazuje vrcholy vlastn\u00fdch frekvenci\u00ed.<\/li>\n<\/ol>\n<h3>Pokro\u010dil\u00e9 testovanie<\/h3>\n<ul>\n<li>Merania v viacer\u00fdch merac\u00edch bodoch na stanovenie <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/mode-shape\/\">tvary m\u00f3du<\/a>.<\/li>\n<li>In\u0161trumentovan\u00e9 kladivo pre kvantitat\u00edvne prenosov\u00e9 funkcie<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/coherence\/\">Koherencia<\/a> anal\u00fdza na overenie kvality nameran\u00fdch \u00fadajov.<\/li>\n<li>V\u00fdpo\u010det funkcie frekven\u010dnej odozvy (FRF) v plnom rozsahu.<\/li>\n<\/ul>\n<h2>4. Aplik\u00e1cie<\/h2>\n<h3>Identifik\u00e1cia rezonancie<\/h3>\n<p>Toto je najbe\u017enej\u0161ie pou\u017eitie. Testom sa ur\u010dia vlastn\u00e9 frekvencie kon\u0161trukcie, ktor\u00e9 sa n\u00e1sledne porovnaj\u00fa s prev\u00e1dzkov\u00fdmi frekvenciami stroja \u2014 1\u00d7, 2\u00d7, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">prejazd \u010depele<\/a>at\u010f. \u2013 s cie\u013eom zisti\u0165, \u010di za vysok\u00e9 vibr\u00e1cie m\u00f4\u017ee rezonancia, a ur\u010di\u0165 strat\u00e9giu \u00faprav. Je to z\u00e1rove\u0148 prirodzen\u00fd protip\u00f3l k <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/run-up-analysis\/\">n\u00e1beh<\/a> alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/coastdown-analysis\/\">dojazd<\/a> test, ktor\u00fd odha\u013euje rovnak\u00e9 rezonancie, zatia\u013e \u010do samotn\u00fd stroj men\u00ed ot\u00e1\u010dky.<\/p>\n<h3>\u0160truktur\u00e1lna diagnostika<\/h3>\n<ul>\n<li>Zistite, ktor\u00e9 komponenty s\u00fa slab\u00e9 alebo pr\u00edli\u0161 pru\u017en\u00e9.<\/li>\n<li>Lokalizova\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/looseness\/\">vo\u013en\u00fd<\/a> alebo popraskan\u00e9 \u0161trukt\u00fary, ktor\u00e9 pos\u00favaj\u00fa alebo rozde\u013euj\u00fa o\u010dak\u00e1van\u00e9 p\u00edky.<\/li>\n<li>Skontrolujte z\u00e1klad alebo upevnenie <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/stiffness\/\">tuhos\u0165<\/a>.<\/li>\n<li>Predlo\u017ete porovnanie pred a po, aby ste potvrdili spr\u00e1vnos\u0165 kon\u0161truk\u010dnej \u00fapravy.<\/li>\n<\/ul>\n<h3>Mod\u00e1lne testovanie<\/h3>\n<ul>\n<li>Ur\u010dite spolo\u010dne vlastn\u00e9 frekvencie, tvary kmitania a tlmenie.<\/li>\n<li>Overte modely kone\u010dn\u00fdch prvkov na z\u00e1klade nameran\u00fdch \u00fadajov.<\/li>\n<li>Optimalizova\u0165 kon\u0161truk\u010dn\u00fd n\u00e1vrh.<\/li>\n<\/ul>\n<h2>5. V\u00fdklad<\/h2>\n<h3>Identifik\u00e1cia vlastn\u00fdch frekvenci\u00ed<\/h3>\n<ul>\n<li>Vrcholy v spektre odpovede na n\u00e1raz predstavuj\u00fa vlastn\u00e9 frekvencie.<\/li>\n<li>Prudk\u00e9 v\u00fdkyvy nazna\u010duj\u00fa n\u00edzke tlmenie \u2013 a teda potenci\u00e1lny probl\u00e9m s rezonanciou.<\/li>\n<li>\u0160irok\u00e9 vrcholy nazna\u010duj\u00fa vysok\u00e9 tlmenie, pri ktorom nie je rezonancia tak\u00e1 kritick\u00e1.<\/li>\n<li>Viac vrcholov znamen\u00e1, \u017ee s\u00fa pr\u00edtomn\u00e9 viacer\u00e9 m\u00f3dy.<\/li>\n<\/ul>\n<h3>Pos\u00fadenie rizika rezonancie<\/h3>\n<ul>\n<li>Ak sa vlastn\u00e1 frekvencia zhoduje s prev\u00e1dzkovou frekvenciou v rozp\u00e4t\u00ed pribli\u017ene \u00b120 %, hroz\u00ed nebezpe\u010denstvo rezonancie.<\/li>\n<li>Ak s\u00fa od seba dostato\u010dne vzdialen\u00e9 \u2013 v rozmedz\u00ed viac ako 30 % \u2013 stav je vo v\u0161eobecnosti bezpe\u010dn\u00fd.<\/li>\n<li>V\u00fd\u0161ka vrcholu ud\u00e1va, ak\u00e9 zosilnenie m\u00f4\u017eeme o\u010dak\u00e1va\u0165.<\/li>\n<\/ul>\n<h3>Odhad tlmenia<\/h3>\n<ul>\n<li>Zmerajte \u0161\u00edrku vrcholu v polovici jeho maxim\u00e1lnej v\u00fd\u0161ky.<\/li>\n<li>Vypo\u010d\u00edtajte <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/damping-ratio-calculator\/\">tlmiaci pomer<\/a> z tejto \u0161\u00edrky p\u00e1sma (met\u00f3da polovi\u010dn\u00e9ho v\u00fdkonu).<\/li>\n<li>Pr\u00edpadne ju odvod\u00edme z r\u00fdchlosti poklesu sign\u00e1lu v \u010dasovej oblasti.<\/li>\n<\/ul>\n<h2>6. V\u00fdhody a obmedzenia<\/h2>\n<p>Prednos\u0165ou bump testu je jeho praktickos\u0165, m\u00e1 v\u0161ak aj svoje nev\u00fdhody, ktor\u00e9 by analytik mal zoh\u013eadni\u0165.<\/p>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li><strong>Jednoduchos\u0165:<\/strong> minim\u00e1lne vybavenie, in\u0161tal\u00e1cia za p\u00e1r min\u00fat, na generovanie sign\u00e1lu nie je potrebn\u00fd zdroj nap\u00e1jania a meranie je mo\u017en\u00e9 vykona\u0165 takmer kdeko\u013evek a kedyko\u013evek.<\/li>\n<li><strong>\u0160irokop\u00e1smov\u00e9 budenie:<\/strong> Jeden n\u00e1raz vyvol\u00e1 oscil\u00e1ciu v \u0161irokom frekven\u010dnom rozsahu naraz, tak\u017ee v\u0161etky m\u00f3dy sa identifikuj\u00fa v r\u00e1mci jedn\u00e9ho testu \u2013 \u010do je ove\u013ea r\u00fdchlej\u0161ie ako met\u00f3dy s premenlivou sinusovou vlnou.<\/li>\n<li><strong>Praktickos\u0165 v ter\u00e9ne:<\/strong> nie je potrebn\u00e9 prepravova\u0165 \u017eiadne ve\u013ek\u00e9 zariadenia, funguje na existuj\u00facich strojoch a je dostato\u010dne r\u00fdchly na be\u017en\u00fa prev\u00e1dzku <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/troubleshooting\/\">rie\u0161enie probl\u00e9mov<\/a>.<\/li>\n<\/ul>\n<h3>Obmedzenia<\/h3>\n<ul>\n<li><strong>Opakovate\u013enos\u0165:<\/strong> sila n\u00e1razu sa pri jednotliv\u00fdch \u00faderoch l\u00ed\u0161i; pom\u00f4\u017ee zoh\u013eadnenie priemeru viacer\u00fdch n\u00e1razov a kladivo s merac\u00edm zariaden\u00edm zabezpe\u010duje konzistentn\u00fa a presne odmeran\u00fa silu.<\/li>\n<li><strong>Spektrum s\u00edl:<\/strong> Spektrum dopadu z\u00e1vis\u00ed od hmotnosti kladiva a tvrdosti jeho \u0161pi\u010dky \u2013 m\u00e4kk\u00e1 \u0161pi\u010dka pren\u00e1\u0161a viac energie do n\u00edzkych frekvenci\u00ed, tvrd\u00e1 \u0161pi\u010dka do vysok\u00fdch frekvenci\u00ed \u2013, tak\u017ee jedno kladivo nemus\u00ed rovnako rozkmit\u00e1va\u0165 v\u0161etky frekvencie.<\/li>\n<li><strong>N\u00edzka \u00farove\u0148 sily:<\/strong> Tento test nedok\u00e1\u017ee napodobni\u0165 prev\u00e1dzkov\u00e9 podmienky s vysok\u00fdmi silami, tak\u017ee nelinearity z\u00e1visl\u00e9 od za\u0165a\u017eenia m\u00f4\u017eu zosta\u0165 nevyvolan\u00e9, \u010do ho rob\u00ed nevhodn\u00fdm na testovanie reakci\u00ed na vysokej \u00farovni.<\/li>\n<\/ul>\n<h2>7. Kontrola funk\u010dnosti v praxi pri pr\u00e1ci s rotorom<\/h2>\n<p>Sk\u00fa\u0161ka n\u00e1razom a rotor <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/a> s\u00fa v tejto oblasti \u00fazko prepojen\u00e9, preto\u017ee \u0161trukt\u00fara, ktor\u00e1 rezonuje pri r\u00fdchlosti bl\u00ed\u017eiacej sa r\u00fdchlosti behu, bude p\u00f4sobi\u0165 ako \u2013 alebo v\u00fdrazne zveli\u010dova\u0165 \u2013 zdanliv\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a>. Predt\u00fdm, ako sa in\u017einier pust\u00ed do n\u00e1pravn\u00fdch opatren\u00ed, mal by sa uisti\u0165, \u017ee nosn\u00e1 kon\u0161trukcia nie je v rezonancii; inak by <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">f\u00e1za<\/a> a hodnoty amplit\u00fady pou\u017e\u00edvan\u00e9 na vyva\u017eovanie bud\u00fa v bl\u00edzkosti tejto kritickej oblasti skreslen\u00e9. Prenosn\u00fd dvojkan\u00e1lov\u00fd pr\u00edstroj, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> meria amplit\u00fadu a f\u00e1zu 1\u00d7 potrebn\u00fa na vyv\u00e1\u017eenie v jednej a dvoch rovin\u00e1ch, pri\u010dom tie ist\u00e9 akcelerometre dok\u00e1\u017eu zachyti\u0165 dozvuk pri n\u00e1razovej sk\u00fa\u0161ke, \u010d\u00edm sa over\u00ed, \u010di vlastn\u00e1 frekvencia podstavca alebo z\u00e1kladovej dosky nespad\u00e1 do rozsahu prev\u00e1dzkovej r\u00fdchlosti. Stru\u010dne povedan\u00e9, n\u00e1razov\u00e1 sk\u00fa\u0161ka je jednoduch\u00fd, ale v\u00fdkonn\u00fd sp\u00f4sob mapovania vlastn\u00fdch frekvenci\u00ed a rezonanci\u00ed kon\u0161trukcie, pri\u010dom sta\u010d\u00ed iba kladivo a analyz\u00e1tor \u2013 ide o nevyhnutn\u00fd n\u00e1stroj na rie\u0161enie probl\u00e9mov pri diagnostike rezonancie, overovan\u00ed \u00faprav a vykon\u00e1van\u00ed r\u00fdchlych mod\u00e1lnych prieskumov bez \u0161pecializovan\u00e9ho testovacieho zariadenia.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z\u00edskajte inform\u00e1cie o n\u00e1razov\u00fdch testoch, \u00faderoch kladivami do \u0161trukt\u00far na vybudenie vlastn\u00fdch frekvenci\u00ed, identifik\u00e1cii rezonanci\u00ed a vykon\u00e1van\u00ed mod\u00e1lnej anal\u00fdzy bez \u0161pecializovan\u00e9ho vibra\u010dn\u00e9ho zariadenia.<\/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\/sk\/wp-json\/wp\/v2\/glossary\/66","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/66\/revisions"}],"predecessor-version":[{"id":101275,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/66\/revisions\/101275"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=66"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}