{"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\/sk\/glossary\/acoustic-emission\/","title":{"rendered":"\u010co je akustick\u00e1 emisia? Detekcia vysokofrekven\u010dn\u00fdch nap\u00e4\u0165ov\u00fdch v\u013an"},"content":{"rendered":"<h1>Pochopenie akustickej emisie<\/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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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><strong>Akustick\u00e1 emisia<\/strong> (AE) je vznik prechodov\u00fdch elastick\u00fdch nap\u00e4\u0165ov\u00fdch v\u013an vo vn\u00fatri materi\u00e1lu pri jeho deform\u00e1cii, \u0161\u00edren\u00ed trhl\u00edn, tren\u00ed alebo in\u00fdch nevratn\u00fdch mikro\u0161trukt\u00farnych zmen\u00e1ch. V strojoch <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/condition-monitoring\/\">monitorovanie stavu<\/a>, testovanie AE vyu\u017e\u00edva citliv\u00e9 ultrazvukov\u00e9 sn\u00edma\u010de pracuj\u00face v rozsahu 100 \u2013 1000 kHz na detekciu t\u00fdchto vysokofrekven\u010dn\u00fdch nap\u00e4\u0165ov\u00fdch v\u013an, \u010d\u00edm poskytuje v\u010dasn\u00e9 varovanie pred akt\u00edvnymi mechanizmami po\u0161kodenia \u2014 rastom trhl\u00edn, lo\u017eiskov\u00fdm <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spalling\/\">odlupovanie<\/a>, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/corrosion\/\">kor\u00f3zne praskanie pod nap\u00e4t\u00edm<\/a>, a procesy trenia, ktor\u00e9 by nebolo mo\u017en\u00e9 zisti\u0165 konven\u010dn\u00fdmi met\u00f3dami <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> anal\u00fdza.<\/p>\n<h2>1. Defin\u00edcia: \u010co je akustick\u00e1 emisia?<\/h2>\n<p>Ur\u010duj\u00facou my\u0161lienkou je, \u017ee zdrojom sign\u00e1lu je samotn\u00fd materi\u00e1l. Ke\u010f nam\u00e1han\u00fd komponent te\u010die, prask\u00e1 alebo sa trie, n\u00e1hle lok\u00e1lne uvo\u013enenie energie sa \u0161\u00edri ako nepatrn\u00e1 nap\u00e4\u0165ov\u00e1 vlna cez pevn\u00fa l\u00e1tku, podobne ako zlomov\u00e1 l\u00ednia uvo\u013e\u0148uje energiu vo forme seizmickej vlny. AE je preto doplnkom k vibra\u010dnej anal\u00fdze: vibr\u00e1cie deteguj\u00fa mechanick\u00e9 <em>pohyb<\/em> v mierke cel\u00e9ho stroja, zatia\u013e \u010do AE deteguje materi\u00e1lov\u00e9 <em>damage<\/em> na mikroskopickej \u00farovni, \u010d\u00edm \u010dasto poskytuje skor\u0161ie varovanie pred vznikaj\u00facou poruchou. Je obzvl\u00e1\u0161\u0165 cenn\u00e1 pri pomalobe\u017en\u00fdch zariadeniach, tlakov\u00fdch n\u00e1dob\u00e1ch a kon\u0161trukci\u00e1ch, kde je vibra\u010dn\u00e1 anal\u00fdza n\u00e1ro\u010dn\u00e1 alebo jednoducho necitliv\u00e1 na kritick\u00e9 m\u00f3dy po\u0161kodenia.<\/p>\n<h2>2. Zdroje akustickej emisie<\/h2>\n<p>AE vznik\u00e1 v\u0161ade tam, kde sa n\u00e1hle uvo\u013en\u00ed nahromaden\u00e1 elastick\u00e1 energia. Hlavn\u00e9 zdroje v strojoch s\u00fa:<\/p>\n<ul>\n<li><strong>Crack-related:<\/strong> ka\u017ed\u00e9 pr\u00edrastkov\u00e9 roz\u0161\u00edrenie trhliny uvo\u013e\u0148uje nap\u00e4\u0165ov\u00fa vlnu; &#8220;d\u00fdchaj\u00face&#8221; trhliny emituj\u00fa pri otv\u00e1ran\u00ed a zatv\u00e1ran\u00ed; a mikrotrhliny produkuj\u00fa emisie e\u0161te pred ak\u00fdmko\u013evek vidite\u013en\u00fdm po\u0161koden\u00edm. AE dok\u00e1\u017ee odhali\u0165 aktivitu trhl\u00edn mesiace pred zmenami vibr\u00e1ci\u00ed \u2014 k\u013e\u00fa\u010dov\u00e1 v\u00fdhoda pri sledovan\u00ed <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shaft-crack\/\">prasklina v hriadeli<\/a> or progressive <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fatigue\/\">\u00fanava<\/a> po\u0161kodenie.<\/li>\n<li><strong>Vady lo\u017e\u00edsk:<\/strong> udalosti vydro\u013eovania (odlupovanie materi\u00e1lu z obe\u017enej dr\u00e1hy), \u0161\u00edrenie povrchov\u00fdch trhl\u00edn a kontakt nerovnost\u00ed povrchu \u2014 to v\u0161etko emituje, niekedy sk\u00f4r ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/envelope-analysis\/\">anal\u00fdza ob\u00e1lky<\/a> m\u00f4\u017ee ozna\u010di\u0165 to ist\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-defects\/\">porucha lo\u017eiska<\/a>.<\/li>\n<li><strong>Trenie a opotrebovanie:<\/strong> klzn\u00fd kontakt, udalosti adh\u00e9zneho opotrebovania a zlyhanie mazania produkuj\u00fa viac-menej s\u00favisl\u00fa emisiu, ktorej \u00farove\u0148 kop\u00edruje mieru opotrebovania.<\/li>\n<li><strong>Deform\u00e1cia materi\u00e1lu:<\/strong> plastick\u00e1 deform\u00e1cia pri pre\u0165a\u017een\u00ed, delamin\u00e1cia kompozitu a lom vl\u00e1kien generuj\u00fa charakteristick\u00e9 emisie.<\/li>\n<\/ul>\n<h2>3. Merac\u00ed syst\u00e9m<\/h2>\n<p>Sn\u00edmanie sign\u00e1lov na stovk\u00e1ch kilohertzov si vy\u017eaduje \u0161pecializovan\u00fd pr\u00edstrojov\u00fd re\u0165azec, ktor\u00fd je celkom odli\u0161n\u00fd od \u0161tandardnej zostavy s akcelerometrom.<\/p>\n<h3>AE sensors<\/h3>\n<p>Rezonan\u010dn\u00e9 piezoelektrick\u00e9 sn\u00edma\u010de (100 \u2013 1000 kHz) sa k \u0161trukt\u00fare prip\u00e1jaj\u00fa akustick\u00fdm v\u00e4zobn\u00fdm m\u00e9diom. S\u00fa mimoriadne citliv\u00e9 na ultrazvukov\u00e9 nap\u00e4\u0165ov\u00e9 vlny, ale z\u00e1merne necitliv\u00e9 na po\u010dute\u013en\u00e9 vibr\u00e1cie, ktor\u00e9 sa odfiltruj\u00fa \u2014 na rozdiel od \u0161irokop\u00e1smov\u00fdch <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/piezoelectric-accelerometer\/\">piezoelektrick\u00fd akcelerometer<\/a> pou\u017e\u00edvan\u00fdch pri be\u017enej pr\u00e1ci s vibr\u00e1ciami.<\/p>\n<h3>Spracovanie sign\u00e1lu<\/h3>\n<ul>\n<li><strong>Predzosil\u0148ova\u010de:<\/strong> zosilnenie 40 \u2013 60 dB aplikovan\u00e9 priamo na sn\u00edma\u010di, aby sa slab\u00fd sign\u00e1l zdvihol nad \u0161um k\u00e1bla.<\/li>\n<li><strong>Filtre:<\/strong> p\u00e1smov\u00e1 priepust 100 \u2013 1000 kHz, ktor\u00e1 potl\u00e1\u010da n\u00edzkofrekven\u010dn\u00e9 vibr\u00e1cie a mechanick\u00e9 pozadie.<\/li>\n<li><strong>Detekcia:<\/strong> prekro\u010denie prahu, po\u010d\u00edtanie z\u00e1sahov a meranie energie namiesto be\u017en\u00e9ho spektra.<\/li>\n<li><strong>Anal\u00fdza:<\/strong> charakteriz\u00e1cia ka\u017edej udalosti pod\u013ea jej amplit\u00fady, trvania, energie a po\u010dtu.<\/li>\n<\/ul>\n<h3>Key parameters<\/h3>\n<p>Diagnostick\u00fdm v\u00fdstupom je s\u00fabor \u0161tatist\u00edk \u2014 <strong>hit count<\/strong> (po\u010det emisn\u00fdch udalost\u00ed), <strong>event energy<\/strong> (integrovan\u00e1 energia sign\u00e1lu), <strong>RMS level<\/strong> (miera kontinu\u00e1lnej emisnej aktivity) a <strong>rozdelenie amplit\u00fad<\/strong> (spektrum z\u00e1va\u017enosti udalost\u00ed) \u2014 namiesto zn\u00e1mych frekven\u010dn\u00fdch grafov vibra\u010dnej anal\u00fdzy.<\/p>\n<h2>4. Aplik\u00e1cie v stroj\u00e1rstve<\/h2>\n<p>AE si zasl\u00fa\u017ei svoje miesto v\u0161ade tam, kde je po\u0161kodenie mikroskopick\u00e9, pomaly sa rozv\u00edjaj\u00face alebo skryt\u00e9 pred vibra\u010dn\u00fdmi sn\u00edma\u010dmi:<\/p>\n<ul>\n<li><strong>Monitorovanie lo\u017e\u00edsk:<\/strong> v\u010dasn\u00e9 zistenie odlupovania e\u0161te predt\u00fdm, ne\u017e sa objavia pr\u00edznaky vibr\u00e1ci\u00ed, hodnotenie stavu mazania a sledovanie trenia a opotrebenia \u2014 v\u00fdkonn\u00fd doplnok k vibr\u00e1ci\u00e1m pre \u00fapln\u00fd obraz o stave lo\u017eiska.<\/li>\n<li><strong>Detekcia trhl\u00edn:<\/strong> monitorovanie akt\u00edvneho rastu trhl\u00edn, integrita tlakov\u00fdch n\u00e1dob, kontrola zvarov a \u0161ir\u0161ie monitorovanie stavu kon\u0161trukci\u00ed.<\/li>\n<li><strong>Stav prevodov a spojok:<\/strong> hodnotenie kvality kontaktu zubov a primeranosti mazania, sledovanie postupu opotrebovania a sledovanie degrad\u00e1cie prvkov spojky \u2014 prid\u00e1va h\u013abku ku konven\u010dnej <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-defects\/\">gear defect<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/coupling-defects\/\">porucha spojky<\/a> diagnostika.<\/li>\n<li><strong>N\u00edzkoot\u00e1\u010dkov\u00e9 zariadenia:<\/strong> pod pribli\u017ene 100 ot.\/min je konven\u010dn\u00e1 vibra\u010dn\u00e1 anal\u00fdza slab\u00e1, preto\u017ee energia poruchy je rozpt\u00fdlen\u00e1 len riedko; AE nez\u00e1vis\u00ed od ot\u00e1\u010dok a funguje pri akejko\u013evek r\u00fdchlosti vr\u00e1tane nulovej.<\/li>\n<\/ul>\n<h2>5. V\u00fdhody a obmedzenia<\/h2>\n<p>AE prin\u00e1\u0161a mo\u017enosti, ktor\u00fdm sa \u017eiadna in\u00e1 technika monitorovania stavu celkom nevyrovn\u00e1, jej aplik\u00e1cia je v\u0161ak n\u00e1ro\u010dn\u00e1.<\/p>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li><strong>Vysok\u00e1 citlivos\u0165:<\/strong> deteguje po\u0161kodenie na mikroskopickej \u00farovni, \u010d\u00edm poskytuje skor\u0161ie varovanie ako vibr\u00e1cie a reaguje na akt\u00edvne procesy po\u0161kodzovania v okamihu ich vzniku.<\/li>\n<li><strong>Lokaliz\u00e1cia zdroja:<\/strong> viacero sn\u00edma\u010dov dok\u00e1\u017ee triangul\u00e1ciou ur\u010di\u0165 polohu zdroja AE a identifikova\u0165, ktor\u00fd komponent degraduje \u2014 \u010do je neocenite\u013en\u00e9 pri zlo\u017eit\u00fdch zostav\u00e1ch.<\/li>\n<li><strong>Nez\u00e1vislos\u0165 od ot\u00e1\u010dok:<\/strong> funguje pri akejko\u013evek r\u00fdchlosti vr\u00e1tane stacion\u00e1rneho stavu, \u010do vyhovuje sk\u00fa\u0161kam tlakov\u00fdch n\u00e1dob (bez rot\u00e1cie) a lo\u017eisk\u00e1m s ve\u013emi n\u00edzkymi ot\u00e1\u010dkami.<\/li>\n<\/ul>\n<h3>Obmedzenia<\/h3>\n<ul>\n<li><strong>Complexity:<\/strong> vy\u017eaduje \u0161pecializovan\u00e9 vybavenie a odborn\u00e9 znalosti; interpret\u00e1cia sign\u00e1lu je zlo\u017eit\u00e1 a nejde o jednoduch\u00e9 porovnanie s prahovou hodnotou ako pri z\u00e1kladnom monitorovan\u00ed vibr\u00e1ci\u00ed.<\/li>\n<li><strong>Obmedzen\u00e1 prienikovos\u0165:<\/strong> vysokofrekven\u010dn\u00e9 vlny r\u00fdchlo zoslabuj\u00fa, tak\u017ee sn\u00edma\u010de musia by\u0165 umiestnen\u00e9 relat\u00edvne bl\u00edzko zdroja a ve\u013ek\u00e9 kon\u0161trukcie ich m\u00f4\u017eu vy\u017eadova\u0165 mnoho.<\/li>\n<li><strong>Citlivos\u0165 na vplyvy prostredia:<\/strong> elektrick\u00fd \u0161um a n\u00e1hodn\u00e9 mechanick\u00e9 n\u00e1razy vytv\u00e1raj\u00fa falo\u0161n\u00e9 sign\u00e1ly, preto je d\u00f4le\u017eit\u00e9 tich\u00e9 meracie prostredie.<\/li>\n<\/ul>\n<p>Pre t\u00fato zlo\u017eitos\u0165 stoj\u00ed AE zvy\u010dajne popri in\u00fdch technik\u00e1ch, namiesto toho, aby ich nahr\u00e1dzala. Patr\u00ed do tej istej rodiny pokro\u010dil\u00fdch vysokofrekven\u010dn\u00fdch met\u00f3d ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/ultrasound-analysis\/\">ultrazvukov\u00e1 anal\u00fdza<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shock-pulse-method\/\">met\u00f3da r\u00e1zov\u00e9ho impulzu<\/a>, a je uzn\u00e1vanou formou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/non-destructive-testing\/\">nedestrukt\u00edvne sk\u00fa\u0161anie<\/a>.<\/p>\n<h2>6. Integr\u00e1cia s vibra\u010dnou anal\u00fdzou<\/h2>\n<p>AE a vibr\u00e1cie s\u00fa naj\u00fa\u010dinnej\u0161ie spolo\u010dne, pri\u010dom ka\u017ed\u00e1 pokr\u00fdva slep\u00e9 miesto tej druhej. AE vynik\u00e1 pri detekcii skor\u00e9ho mikroskopick\u00e9ho po\u0161kodenia; vibr\u00e1cie vynikaj\u00fa pri charakterizovan\u00ed makroskopick\u00e9ho mechanick\u00e9ho stavu, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/imbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nespr\u00e1vne zarovnanie<\/a>. Be\u017en\u00fd pracovn\u00fd postup pou\u017e\u00edva AE ako popla\u0161n\u00e9 lanko \u2014 signalizuje, \u017ee je pr\u00edtomn\u00e9 akt\u00edvne po\u0161kodenie \u2014 a potom sa obracia na vibr\u00e1cie, aby potvrdil z\u00e1va\u017enos\u0165 a presne lokalizoval konkr\u00e9tnu poruchu. Kombinovan\u00e1 spo\u013eahlivos\u0165 je ove\u013ea vy\u0161\u0161ia ne\u017e pri ktorejko\u013evek met\u00f3de samostatne, a pr\u00e1ve preto rutinn\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration-analysis\/\">anal\u00fdza vibr\u00e1ci\u00ed<\/a> program zost\u00e1va chrbtovou kos\u0165ou v\u00e4\u010d\u0161iny prev\u00e1dzok, zatia\u013e \u010do AE je vyhraden\u00e1 pre komponenty citliv\u00e9 na trhliny a pomalobe\u017en\u00e9 zariadenia. V praxi sa be\u017en\u00fd rota\u010dn\u00fd stroj najprv triedi pomocou prenosn\u00e9ho analyz\u00e1tora, ak\u00fdm je <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> pre nevyv\u00e1\u017eenos\u0165, nes\u00faosovos\u0165 a trendy lo\u017e\u00edsk, pri\u010dom AE sa nasadzuje pri n\u00e1ro\u010dnej\u0161\u00edch, pomal\u0161\u00edch alebo bezpe\u010dnostne kritick\u00fdch pr\u00edpadoch.<\/p>\n<p>Stru\u010dne povedan\u00e9, akustick\u00e1 emisia pon\u00faka jedine\u010dn\u00fa schopnos\u0165 v\u010dasn\u00e9ho varovania t\u00fdm, \u017ee na\u010d\u00fava ultrazvukov\u00fdm nap\u00e4\u0165ov\u00fdm vln\u00e1m po\u0161kodenia a deform\u00e1cie materi\u00e1lu. Vy\u017eaduje si \u0161pecializovan\u00e9 vybavenie a zru\u010dnosti, no zachyten\u00edm akt\u00edvneho po\u0161kodenia na mikroskopickej \u00farovni e\u0161te predt\u00fdm, ne\u017e sa objavia makroskopick\u00e9 zmeny vibr\u00e1ci\u00ed, umo\u017e\u0148uje \u010do najskor\u0161\u00ed z\u00e1sah pri komponentoch citliv\u00fdch na trhliny a pri pomalobe\u017en\u00fdch zariadeniach.<\/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 testovan\u00ed akustickej emisie, detekcii ultrazvukov\u00fdch nap\u00e4\u0165ov\u00fdch v\u013an z rastu trhl\u00edn, trenia a deform\u00e1cie materi\u00e1lu pre v\u010dasn\u00fa detekciu ch\u00fdb v strojoch.<\/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\/sk\/wp-json\/wp\/v2\/glossary\/20616","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\/20616\/revisions"}],"predecessor-version":[{"id":101189,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/20616\/revisions\/101189"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=20616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=20616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=20616"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}