{"id":20616,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/acoustic-emission\/"},"modified":"2026-05-23T22:13:42","modified_gmt":"2026-05-23T22:13:42","slug":"acoustic-emission","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/acoustic-emission\/","title":{"rendered":"Co je akustick\u00e1 emise? Detekce vysokofrekven\u010dn\u00edch nap\u011b\u0165ov\u00fdch vln"},"content":{"rendered":"<h1>Pochopen\u00ed akustick\u00e9 emise<\/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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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\/20616?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>Akustick\u00e1 emise<\/strong> (AE) je generov\u00e1n\u00ed p\u0159echodov\u00fdch elastick\u00fdch nap\u011b\u0165ov\u00fdch vln uvnit\u0159 materi\u00e1lu p\u0159i jeho deformaci, \u0161\u00ed\u0159en\u00ed trhlin, t\u0159en\u00ed nebo jin\u00fdch nevratn\u00fdch mikrostrukturn\u00edch zm\u011bn\u00e1ch. U strojn\u00edho za\u0159\u00edzen\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a>, pro AE testov\u00e1n\u00ed se pou\u017e\u00edvaj\u00ed citliv\u00e9 ultrazvukov\u00e9 senzory pracuj\u00edc\u00ed v rozsahu 100\u20131000 kHz, kter\u00e9 detekuj\u00ed tyto vysokofrekven\u010dn\u00ed stresov\u00e9 vlny a poskytuj\u00ed v\u010dasn\u00e9 varov\u00e1n\u00ed p\u0159ed aktivn\u00edmi mechanismy po\u0161kozen\u00ed \u2014 \u0161\u00ed\u0159en\u00ed trhlin, lo\u017eisko <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spalling\/\">odlupov\u00e1n\u00ed<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/corrosion\/\">korozn\u00ed prask\u00e1n\u00ed pod nap\u011bt\u00edm<\/a>, a t\u0159ec\u00ed procesy, kter\u00e9 by byly u konven\u010dn\u00edch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> anal\u00fdza.<\/p>\n<h2>1. Definice: Co je akustick\u00e1 emise?<\/h2>\n<p>Z\u00e1kladn\u00ed my\u0161lenka spo\u010d\u00edv\u00e1 v tom, \u017ee zdrojem sign\u00e1lu je samotn\u00fd materi\u00e1l. Kdy\u017e nam\u00e1han\u00e1 sou\u010d\u00e1stka ced\u00ed, prask\u00e1 nebo se t\u0159\u00e9, n\u00e1hl\u00e9 lok\u00e1ln\u00ed uvoln\u011bn\u00ed energie se \u0161\u00ed\u0159\u00ed jako drobn\u00e1 stresov\u00e1 vlna pevn\u00fdm materi\u00e1lem, podobn\u011b jako zlomov\u00e1 linie uvol\u0148uje energii v podob\u011b seizmick\u00e9 vlny. AE je proto komplement\u00e1rn\u00ed k anal\u00fdze vibrac\u00ed: vibrace detekuj\u00ed mechanick\u00e9 <em>pohyb<\/em> na \u00farovni cel\u00e9ho stroje, zat\u00edmco AE detekuje materi\u00e1lov\u00e9 <em>damage<\/em> na mikroskopick\u00e9 \u00farovni, p\u0159i\u010dem\u017e \u010dasto poskytuje d\u0159\u00edv\u011bj\u0161\u00ed varov\u00e1n\u00ed p\u0159ed rozv\u00edjej\u00edc\u00ed se z\u00e1vadou. Je zvl\u00e1\u0161t\u011b cenn\u00e1 pro za\u0159\u00edzen\u00ed s n\u00edzkou rychlost\u00ed ot\u00e1\u010den\u00ed, tlakov\u00e9 n\u00e1doby a konstrukce, kde je anal\u00fdza vibrac\u00ed obt\u00ed\u017en\u00e1 nebo jednodu\u0161e necitliv\u00e1 na kritick\u00e9 zp\u016fsoby po\u0161kozen\u00ed.<\/p>\n<h2>2. Zdroje akustick\u00e9 emise<\/h2>\n<p>AE vznik\u00e1 v\u0161ude tam, kde doch\u00e1z\u00ed k n\u00e1hl\u00e9mu uvoln\u011bn\u00ed akumulovan\u00e9 elastick\u00e9 energie. Hlavn\u00ed zdroje v strojn\u00edm za\u0159\u00edzen\u00ed jsou:<\/p>\n<ul>\n<li><strong>Crack-related:<\/strong> ka\u017ed\u00e9 postupn\u00e9 roz\u0161\u00ed\u0159en\u00ed trhliny uvoln\u00ed stresovou vlnu; &#8220;d\u00fdchaj\u00edc\u00ed&#8221; trhliny emituj\u00ed p\u0159i sv\u00e9m otev\u00edr\u00e1n\u00ed a zav\u00edr\u00e1n\u00ed; a mikroprask\u00e1n\u00ed produkuje emise je\u0161t\u011b p\u0159ed jak\u00fdmkoliv viditeln\u00fdm po\u0161kozen\u00edm. AE m\u016f\u017ee detekovat aktivitu trhlin m\u011bs\u00edce p\u0159ed t\u00edm, ne\u017e dojde ke zm\u011bn\u00e1m vibrac\u00ed \u2014 kl\u00ed\u010dov\u00e1 v\u00fdhoda p\u0159i sledov\u00e1n\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-crack\/\">prasklina v h\u0159\u00eddeli<\/a> or progressive <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a> po\u0161kozen\u00ed.<\/li>\n<li><strong>Vady lo\u017eisek:<\/strong> odlupovac\u00ed ud\u00e1losti (odlamov\u00e1n\u00ed materi\u00e1lu z ob\u011b\u017en\u00e9 dr\u00e1hy), \u0161\u00ed\u0159en\u00ed povrchov\u00fdch trhlin a kontakt asperit emituj\u00ed, n\u011bkdy d\u0159\u00edve ne\u017e <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-analysis\/\">obalov\u00e1 anal\u00fdza<\/a> m\u016f\u017ee indikovat stejn\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-defects\/\">z\u00e1vada lo\u017eiska<\/a>.<\/li>\n<li><strong>T\u0159en\u00ed a opot\u0159eben\u00ed:<\/strong> kluzn\u00fd kontakt, ud\u00e1losti adhesivn\u00edho opot\u0159eben\u00ed a rozpad maz\u00e1n\u00ed produkuj\u00ed v\u00edcem\u00e9n\u011b kontinu\u00e1ln\u00ed emisi, jej\u00ed\u017e \u00farove\u0148 sleduje rychlost opot\u0159eben\u00ed.<\/li>\n<li><strong>Deformace materi\u00e1lu:<\/strong> plastick\u00e1 deformace p\u0159i p\u0159et\u00ed\u017een\u00ed, delaminace kompozit\u016f a lom vl\u00e1ken ka\u017ed\u00fd generuj\u00ed charakteristick\u00e9 emise.<\/li>\n<\/ul>\n<h2>3. M\u011b\u0159ic\u00ed syst\u00e9m<\/h2>\n<p>Zachycov\u00e1n\u00ed sign\u00e1l\u016f na stovk\u00e1ch kilohertz\u016f vy\u017eaduje dedikovan\u00fd \u0159et\u011bzec p\u0159\u00edstroj\u016f, kter\u00fd se v\u00fdrazn\u011b li\u0161\u00ed od standardn\u00edho nastaven\u00ed s akcelerometry.<\/p>\n<h3>AE sensors<\/h3>\n<p>Rezonan\u010dn\u00ed piezoelektrick\u00e9 senzory (100\u20131000 kHz) jsou spojeny s konstrukc\u00ed pomoc\u00ed akustick\u00e9ho vazebn\u00edho prost\u0159edku. Jsou mimo\u0159\u00e1dn\u011b citliv\u00e9 na ultrazvukov\u00e9 stresov\u00e9 vlny, ale z\u00e1m\u011brn\u011b necitliv\u00e9 na sly\u0161iteln\u00e9 vibrace, kter\u00e9 jsou odfiltrov\u00e1ny \u2014 v kontrastu s \u0161irokop\u00e1smov\u00fdmi <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/piezoelectric-accelerometer\/\">piezoelektrick\u00fd akcelerometr<\/a> pou\u017e\u00edvan\u00fdmi pro b\u011b\u017enou anal\u00fdzu vibrac\u00ed.<\/p>\n<h3>Zpracov\u00e1n\u00ed sign\u00e1lu<\/h3>\n<ul>\n<li><strong>P\u0159edzesilova\u010de:<\/strong> 40\u201360 dB zes\u00edlen\u00ed aplikovan\u00e9ho p\u0159\u00edmo u senzoru, aby slab\u00fd sign\u00e1l p\u0159ev\u00fd\u0161il \u0161um kabelu.<\/li>\n<li><strong>Filtry:<\/strong> p\u00e1smov\u00e1 propust 100\u20131000 kHz, kter\u00e1 potla\u010duje n\u00edzkofrekven\u010dn\u00ed vibrace a mechanick\u00e9 pozad\u00ed.<\/li>\n<li><strong>Detekce:<\/strong> p\u0159ekra\u010dov\u00e1n\u00ed prahu, po\u010d\u00edt\u00e1n\u00ed z\u00e1sah\u016f a m\u011b\u0159en\u00ed energie nam\u00edsto konven\u010dn\u00edho spektra.<\/li>\n<li><strong>Anal\u00fdza:<\/strong> charakteristika ka\u017ed\u00e9 ud\u00e1losti pomoc\u00ed jej\u00ed amplitudy, trv\u00e1n\u00ed, energie a po\u010dtu.<\/li>\n<\/ul>\n<h3>Key parameters<\/h3>\n<p>Diagnostick\u00fd v\u00fdstup je sada statistik &mdash; <strong>hit count<\/strong> (po\u010det emisn\u00edch ud\u00e1lost\u00ed), <strong>event energy<\/strong> (integrovan\u00e1 energie sign\u00e1lu), <strong>RMS level<\/strong> (m\u00edra kontinu\u00e1ln\u00ed emisn\u00ed aktivity) a <strong>amplitudov\u00e9 rozd\u011blen\u00ed<\/strong> (spektrum z\u00e1va\u017enosti ud\u00e1lost\u00ed) &mdash; sp\u00ed\u0161e ne\u017e obvykl\u00e9 frekven\u010dn\u00ed grafy anal\u00fdzy vibrac\u00ed.<\/p>\n<h2>4. Aplikace ve stroj\u00edrenstv\u00ed<\/h2>\n<p>AE nach\u00e1z\u00ed uplatn\u011bn\u00ed v\u0161ude tam, kde je po\u0161kozen\u00ed mikroskopick\u00e9, pomalu se rozv\u00edjej\u00edc\u00ed nebo skryt\u00e9 p\u0159ed sn\u00edma\u010di vibrac\u00ed:<\/p>\n<ul>\n<li><strong>Monitorov\u00e1n\u00ed lo\u017eisek:<\/strong> \u010dasn\u00e1 detekce odlupov\u00e1n\u00ed p\u0159ed v\u00fdskytem vibra\u010dn\u00edch p\u0159\u00edznak\u016f, hodnocen\u00ed stavu maz\u00e1n\u00ed, sledov\u00e1n\u00ed t\u0159en\u00ed a opot\u0159eben\u00ed &mdash; \u00fa\u010dinn\u00fd dopln\u011bk vibrac\u00ed pro ucelen\u00fd obraz stavu lo\u017eisek.<\/li>\n<li><strong>Detekce trhlin:<\/strong> monitorov\u00e1n\u00ed aktivn\u00edho \u0161\u00ed\u0159en\u00ed trhlin, integrita tlakov\u00fdch n\u00e1dob, inspekce svar\u016f a \u0161ir\u0161\u00ed monitoring konstruk\u010dn\u00edho zdrav\u00ed.<\/li>\n<li><strong>Stav ozuben\u00ed a spojek:<\/strong> hodnocen\u00ed kvality kontaktu zub\u016f a p\u0159im\u011b\u0159enosti maz\u00e1n\u00ed, sledov\u00e1n\u00ed postupu opot\u0159eben\u00ed a sledov\u00e1n\u00ed degradace prvk\u016f spojky &mdash; prohlubuj\u00edc\u00ed konven\u010dn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-defects\/\">gear defect<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coupling-defects\/\">z\u00e1vada spojky<\/a> diagnostiku.<\/li>\n<li><strong>Za\u0159\u00edzen\u00ed s n\u00edzk\u00fdmi ot\u00e1\u010dkami:<\/strong> pod p\u0159ibli\u017en\u011b 100 ot.\/min je konven\u010dn\u00ed anal\u00fdza vibrac\u00ed slab\u00e1, proto\u017ee energie z\u00e1vady se rozptyluje tenk\u00fdm zp\u016fsobem; AE nez\u00e1vis\u00ed na ot\u00e1\u010dk\u00e1ch a pracuje p\u0159i jak\u00e9koli rychlosti v\u010detn\u011b nulov\u00e9.<\/li>\n<\/ul>\n<h2>5. V\u00fdhody a omezen\u00ed<\/h2>\n<p>AE p\u0159in\u00e1\u0161\u00ed schopnosti, kter\u00e9 \u017e\u00e1dn\u00e1 jin\u00e1 technika monitorov\u00e1n\u00ed stavu pln\u011b nenahrad\u00ed, av\u0161ak je n\u00e1ro\u010dn\u00e1 na aplikaci.<\/p>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li><strong>Vysok\u00e1 citlivost:<\/strong> detekuje po\u0161kozen\u00ed na mikroskopick\u00e9 \u00farovni, \u010d\u00edm\u017e poskytuje v\u010dasn\u011bj\u0161\u00ed varov\u00e1n\u00ed ne\u017e vibrace a reaguje na aktivn\u00ed procesy po\u0161kozov\u00e1n\u00ed v okam\u017eiku, kdy prob\u00edhaj\u00ed.<\/li>\n<li><strong>Lokalizace zdroje:<\/strong> n\u011bkolik sn\u00edma\u010d\u016f dok\u00e1\u017ee triangulac\u00ed ur\u010dit polohu zdroje AE a identifikovat, kter\u00e1 sou\u010d\u00e1st degraduje &mdash; neoceniteln\u00e9 u slo\u017eit\u00fdch sestav.<\/li>\n<li><strong>Nez\u00e1vislost na rychlosti:<\/strong> pracuje p\u0159i jak\u00e9koli rychlosti v\u010detn\u011b klidu, co\u017e se hod\u00ed pro zkou\u0161en\u00ed tlakov\u00fdch n\u00e1dob (bez rotace) i lo\u017eisek s velmi n\u00edzk\u00fdmi ot\u00e1\u010dkami.<\/li>\n<\/ul>\n<h3>Omezen\u00ed<\/h3>\n<ul>\n<li><strong>Complexity:<\/strong> vy\u017eaduje specializovan\u00e9 vybaven\u00ed a odborn\u00e9 znalosti; interpretace sign\u00e1lu je slo\u017eit\u00e1 a nen\u00ed pouh\u00fdm jednoduch\u00fdm prahov\u00e1n\u00edm jako u z\u00e1kladn\u00edho monitorov\u00e1n\u00ed vibrac\u00ed.<\/li>\n<li><strong>Omezen\u00fd dosah:<\/strong> vysokofrekven\u010dn\u00ed vlny rychle \u00fatlum\u00ed, tak\u017ee sn\u00edma\u010de mus\u00ed b\u00fdt relativn\u011b bl\u00edzko zdroje a velk\u00e9 konstrukce mohou vy\u017eadovat jejich v\u011bt\u0161\u00ed po\u010det.<\/li>\n<li><strong>Citlivost na prost\u0159ed\u00ed:<\/strong> elektrick\u00fd \u0161um a n\u00e1hodn\u00e9 mechanick\u00e9 r\u00e1zy vytv\u00e1\u0159ej\u00ed fale\u0161n\u00e9 sign\u00e1ly, proto je d\u016fle\u017eit\u00e9 klidn\u00e9 m\u011b\u0159ic\u00ed prost\u0159ed\u00ed.<\/li>\n<\/ul>\n<p>Kv\u016fli t\u00e9to slo\u017eitosti se AE obvykle pou\u017e\u00edv\u00e1 spole\u010dn\u011b s jin\u00fdmi metodami, nikoli jako jejich n\u00e1hrada. Pat\u0159\u00ed do stejn\u00e9 rodiny pokro\u010dil\u00fdch vysokofrekven\u010dn\u00edch metod jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/ultrasound-analysis\/\">ultrazvukov\u00e1 anal\u00fdza<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shock-pulse-method\/\">metoda r\u00e1zov\u00fdch pulz\u016f<\/a>, a je uzn\u00e1vanou formou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/non-destructive-testing\/\">nedestruktivn\u00ed zkou\u0161en\u00ed<\/a>.<\/p>\n<h2>6. Integrace s anal\u00fdzou vibrac\u00ed<\/h2>\n<p>AE a vibrace jsou nej\u00fa\u010dinn\u011bj\u0161\u00ed spole\u010dn\u011b \u2014 ka\u017ed\u00e1 metoda pokr\u00fdv\u00e1 slep\u00e9 m\u00edsto t\u00e9 druh\u00e9. AE vynik\u00e1 p\u0159i odhalov\u00e1n\u00ed ran\u00e9ho mikroskopick\u00e9ho po\u0161kozen\u00ed; anal\u00fdza vibrac\u00ed vynik\u00e1 p\u0159i charakterizaci makroskopick\u00e9ho mechanick\u00e9ho stavu, jako je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/imbalance\/\">nevyv\u00e1\u017eenost<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a>. B\u011b\u017en\u00fd pracovn\u00ed postup vyu\u017e\u00edv\u00e1 AE jako spou\u0161t\u011bc\u00ed sign\u00e1l \u2014 zaznamen\u00e1 p\u0159\u00edtomnost aktivn\u00edho po\u0161kozen\u00ed \u2014 a n\u00e1sledn\u011b p\u0159ech\u00e1z\u00ed k anal\u00fdze vibrac\u00ed pro potvrzen\u00ed z\u00e1va\u017enosti a p\u0159esn\u00e9 ur\u010den\u00ed konkr\u00e9tn\u00ed z\u00e1vady. Kombinovan\u00e1 spolehlivost je v\u00fdrazn\u011b vy\u0161\u0161\u00ed ne\u017e u ka\u017ed\u00e9 metody zvl\u00e1\u0161\u0165, a proto rutinn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a> program z\u016fst\u00e1v\u00e1 p\u00e1te\u0159\u00ed v\u011bt\u0161iny provoz\u016f, zat\u00edmco AE je vyhrazena pro komponenty citliv\u00e9 na trhliny a za\u0159\u00edzen\u00ed s pomal\u00fdmi ot\u00e1\u010dkami. V praxi je b\u011b\u017en\u00fd rota\u010dn\u00ed stroj nejprve prov\u011b\u0159en p\u0159enosn\u00fdm analyz\u00e1torem, jako je <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> pro nevyv\u00e1\u017eenost, nesouosost a trendy lo\u017eisek, p\u0159i\u010dem\u017e AE je nasazena pro slo\u017eit\u011bj\u0161\u00ed, pomalej\u0161\u00ed nebo bezpe\u010dnostn\u011b kritick\u00e9 p\u0159\u00edpady.<\/p>\n<p>Stru\u010dn\u011b \u0159e\u010deno, akustick\u00e1 emise nab\u00edz\u00ed jedine\u010dnou schopnost v\u010dasn\u00e9ho varov\u00e1n\u00ed t\u00edm, \u017ee naslouch\u00e1 ultrazvukov\u00fdm stresov\u00fdm vln\u00e1m zp\u016fsoben\u00fdm po\u0161kozen\u00edm a deformac\u00ed materi\u00e1lu. Vy\u017eaduje specializovan\u00e9 vybaven\u00ed a odborn\u00e9 znalosti, ale zachycen\u00edm aktivn\u00edho po\u0161kozen\u00ed na mikroskopick\u00e9 \u00farovni je\u0161t\u011b p\u0159ed t\u00edm, ne\u017e se projev\u00ed makroskopick\u00e9 zm\u011bny vibrac\u00ed, umo\u017e\u0148uje co nejd\u0159\u00edv\u011bj\u0161\u00ed z\u00e1sah u komponent\u016f citliv\u00fdch na trhliny a u za\u0159\u00edzen\u00ed s pomal\u00fdmi ot\u00e1\u010dkami.<\/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 testov\u00e1n\u00ed akustick\u00e9 emise, detekci ultrazvukov\u00fdch vln nap\u011bt\u00ed z r\u016fstu trhlin, t\u0159en\u00ed a deformace materi\u00e1lu pro v\u010dasnou detekci vad ve stroj\u00edch.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-20616","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20616","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\/20616\/revisions"}],"predecessor-version":[{"id":101189,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20616\/revisions\/101189"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=20616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=20616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=20616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}