{"id":152,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/kurtosis\/"},"modified":"2026-07-17T21:02:56","modified_gmt":"2026-07-17T21:02:56","slug":"kurtosis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/kurtosis\/","title":{"rendered":"Co je kurtosa ve vibra\u010dn\u00ed anal\u00fdze?"},"content":{"rendered":"<h1>Kurtosa ve vibra\u010dn\u00ed anal\u00fdze pro detekci poruch<\/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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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\/152?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>Kurtosa<\/strong> je statistick\u00fd parametr, kter\u00fd popisuje tvar pravd\u011bpodobnostn\u00edho rozd\u011blen\u00ed. V <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a> pou\u017e\u00edv\u00e1 se na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/time-waveform\/\">\u010dasov\u00fd pr\u016fb\u011bh<\/a> k m\u011b\u0159en\u00ed jeho \u201e\u0161pi\u010datosti\u201c \u010di impulzivity. Sign\u00e1l s vysokou kurt\u00f3zou se vyzna\u010duje ostr\u00fdmi, z\u0159eteln\u00fdmi vrcholy \u010di n\u00e1razy, zat\u00edmco sign\u00e1l s n\u00edzkou kurt\u00f3zou je plo\u0161\u0161\u00ed a zaoblen\u011bj\u0161\u00ed. Velkou praktickou hodnotou kurt\u00f3zy je to, \u017ee tuto vlastnost shrnuje do jedin\u00e9ho \u010d\u00edsla, kter\u00e9 m\u016f\u017ee signalizovat zm\u011bnu charakteru vibra\u010dn\u00edho sign\u00e1lu, i kdy\u017e celkov\u00e1 energie \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rms\/\">RMS<\/a> hodnota \u2014 se zat\u00edm v\u00fdrazn\u011b nezm\u011bnila.<\/p>\n<h2>1. Statistika za \u010d\u00edslem<\/h2>\n<p>Kurt\u00f3za je normalizovan\u00fd \u010dtvrt\u00fd statistick\u00fd moment rozlo\u017een\u00ed amplitudy sign\u00e1lu. Jeliko\u017e se ka\u017ed\u00e1 odchylka od pr\u016fm\u011bru p\u0159ed v\u00fdpo\u010dtem pr\u016fm\u011bru umocn\u00ed na \u010dtvrtou, dominuj\u00ed v\u00fdsledku ob\u010dasn\u00e9 velk\u00e9 v\u00fdkyvy \u2013 p\u0159esn\u011b ty, kter\u00e9 zp\u016fsobuje kr\u00e1tk\u00fd n\u00e1raz \u2013 mnohem v\u00fdrazn\u011bji, ne\u017e by tomu bylo p\u0159i v\u00fdpo\u010dtu efektivn\u00ed hodnoty (RMS), kter\u00fd pou\u017e\u00edv\u00e1 pouze druhou mocninu. Pr\u00e1v\u011b tento matematick\u00fd d\u016fraz na extr\u00e9my \u010din\u00ed kurt\u00f3zu tak citlivou na kr\u00e1tk\u00e9, prudk\u00e9 p\u0159echodov\u00e9 jevy ukryt\u00e9 v jinak nev\u00fdrazn\u00e9m sign\u00e1lu. Ve skute\u010dnosti odpov\u00edd\u00e1 na jinou ot\u00e1zku ne\u017e RMS: ne \u201ekolik energie je p\u0159\u00edtomno?\u201c, ale \u201ejak je sign\u00e1l \u0161pi\u010dat\u00fd?\u201c<\/p>\n<h2>2. Diagnostick\u00e1 hodnota kurt\u00f3zy<\/h2>\n<p>Hlavn\u00ed v\u00fdznam kurt\u00f3zy v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> je jeho vysok\u00e1 citlivost na <strong>impulzivn\u00ed poruchy v ran\u00e9 f\u00e1zi<\/strong>. Mnoh\u00e9 mechanick\u00e9 z\u00e1vady za\u010d\u00ednaj\u00ed jako mikroskopick\u00e9 trhliny nebo odlupky. Jak se tyto vznikaj\u00edc\u00ed z\u00e1vady dost\u00e1vaj\u00ed do vz\u00e1jemn\u00e9ho kontaktu, vznikaj\u00ed kr\u00e1tkodob\u00e9 n\u00e1razy s vysokou frekvenc\u00ed. Tyto n\u00e1razy zp\u016fsobuj\u00ed ostr\u00e9 \u0161pi\u010dky v \u010dasov\u00e9 k\u0159ivce vibrac\u00ed, kter\u00e9 dramaticky zvy\u0161uj\u00ed hodnotu kurt\u00f3zy \u2013 a to dlouho p\u0159edt\u00edm, ne\u017e se z\u00e1vada zv\u011bt\u0161\u00ed natolik, aby ovlivnila celkovou efektivn\u00ed hodnotu stroje.<\/p>\n<p>Kurt\u00f3za je proto vynikaj\u00edc\u00edm n\u00e1strojem pro:<\/p>\n<ul>\n<li><strong>V\u010dasn\u00e1 detekce z\u00e1vad lo\u017eisek:<\/strong> jedn\u00e1 se o jednu z nej\u00fa\u010dinn\u011bj\u0161\u00edch metod, jak zachytit \u00fapln\u011b prvn\u00ed p\u0159\u00edznaky <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spalling\/\">odlupov\u00e1n\u00ed<\/a> na lo\u017eiskov\u00e9m krou\u017eku nebo valiv\u00e9m t\u011blese a dopl\u0148uje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-analysis\/\">obalov\u00e1 anal\u00fdza<\/a> v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-defects\/\">diagnostika lo\u017eisek<\/a>.<\/li>\n<li><strong>Detekce z\u00e1vad na zubech ozuben\u00fdch kol:<\/strong> Praskl\u00fd nebo zlomen\u00fd zub vyvol\u00e1v\u00e1 p\u0159i ka\u017ed\u00e9 ot\u00e1\u010dce z\u0159eteln\u00fd r\u00e1z, kter\u00fd vzr\u016fstaj\u00edc\u00ed hodnota kurt\u00f3zy snadno zachyt\u00ed \u2013 co\u017e p\u0159edstavuje u\u017eite\u010dnou kontrolu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-defects\/\">vady ozuben\u00fdch kol<\/a>.<\/li>\n<li><strong>Zji\u0161\u0165ov\u00e1n\u00ed ob\u010dasn\u00e9ho t\u0159en\u00ed nebo n\u00e1raz\u016f:<\/strong> jak\u00e1koli nejednotn\u00e1, impaktn\u00ed ud\u00e1lost v za\u0159\u00edzen\u00ed, jako nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rubbing\/\">t\u0159en\u00ed<\/a> nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/looseness\/\">mechanick\u00e1 v\u016fle<\/a>, co\u017e je patrn\u00e9 z tohoto m\u011b\u0159en\u00ed.<\/li>\n<\/ul>\n<h2>3. V\u00fdklad hodnot kurt\u00f3zy<\/h2>\n<p>Kurt\u00f3za je normalizovan\u00e1 hodnota. U ide\u00e1ln\u00edho Gaussova (norm\u00e1ln\u00edho) rozd\u011blen\u00ed \u2013 typick\u00e9ho pro n\u00e1hodn\u00e9 z\u00e1kladn\u00ed vibrace zdrav\u00e9ho stroje \u2013 je hodnota kurt\u00f3zy <strong>3.0<\/strong>. Odchylky od t\u00e9to hodnoty maj\u00ed diagnostick\u00fd v\u00fdznam:<\/p>\n<ul>\n<li><strong>Kurt\u00f3za \u2248 3,0:<\/strong> vibrace jsou n\u00e1hodn\u00e9 a gaussovsk\u00e9, co\u017e nazna\u010duje norm\u00e1ln\u00ed a bezporuchov\u00fd provoz.<\/li>\n<li><strong>Kurt\u00f3za &gt; 3,0:<\/strong> sign\u00e1l je \u0161pi\u010dat\u011bj\u0161\u00ed nebo impulzivn\u011bj\u0161\u00ed ne\u017e obvykle. Rostouc\u00ed hodnota je jasn\u00fdm varov\u00e1n\u00edm p\u0159ed vznikaj\u00edc\u00edmi n\u00e1razy; hodnoty 5, 10 nebo vy\u0161\u0161\u00ed se b\u011b\u017en\u011b vyskytuj\u00ed v p\u0159\u00edpad\u011b z\u00e1va\u017en\u00fdch z\u00e1vad lo\u017eisek nebo ozuben\u00fdch kol.<\/li>\n<li><strong>Kurt\u00f3za &lt; 3,0:<\/strong> sign\u00e1l m\u00e1 rovn\u011bj\u0161\u00ed pr\u016fb\u011bh ne\u017e norm\u00e1ln\u00ed rozd\u011blen\u00ed. K tomu m\u016f\u017ee doch\u00e1zet u ur\u010dit\u00fdch typ\u016f t\u0159en\u00ed nebo v p\u0159\u00edpad\u011b, \u017ee sign\u00e1l je tvo\u0159en p\u0159ev\u00e1\u017en\u011b velmi \u010distou sinusovou vibrac\u00ed, jako je nap\u0159\u00edklad \u010dist\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>.<\/li>\n<\/ul>\n<p>Je t\u0159eba poznamenat, \u017ee n\u011bkter\u00e9 p\u0159\u00edstroje vykazuj\u00ed <em>nadm\u011brn\u00e1 kurt\u00f3za<\/em>, kter\u00e1 ode\u010dte hodnotu 3,0, tak\u017ee hodnota zdrav\u00e9ho gaussovsk\u00e9ho sign\u00e1lu bude 0 nam\u00edsto 3,0. V\u00fdklad je stejn\u00fd, posune se pouze referen\u010dn\u00ed bod. Kurt\u00f3za \u00fazce souvis\u00ed s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/crest-factor\/\">\u010dinitel kr\u00e9stu<\/a>, kter\u00fd porovn\u00e1v\u00e1 \u0161pi\u010dkovou hodnotu s efektivn\u00ed hodnotou a reaguje na stejn\u00e9 impulsn\u00ed ud\u00e1losti z m\u00edrn\u011b odli\u0161n\u00e9ho \u00fahlu pohledu.<\/p>\n<h2>4. \u017divotn\u00ed cyklus kurt\u00f3zy p\u0159i z\u00e1vad\u011b lo\u017eiska<\/h2>\n<p>P\u0159i sledov\u00e1n\u00ed poruchy lo\u017eiska od jej\u00edho vzniku a\u017e po selh\u00e1n\u00ed vykazuje hodnota kurt\u00f3zy \u010dasto p\u0159edv\u00eddateln\u00fd \u2013 a na prvn\u00ed pohled neintuitivn\u00ed \u2013 pr\u016fb\u011bh:<\/p>\n<ol>\n<li><strong>Zdrav\u00e1 f\u00e1ze:<\/strong> Kurt\u00f3za je stabiln\u00ed a bl\u00ed\u017e\u00ed se hodnot\u011b 3,0.<\/li>\n<li><strong>Po\u010d\u00e1te\u010dn\u00ed f\u00e1ze poruchy:<\/strong> vznikne mikroskopick\u00e1 vada. Doch\u00e1z\u00ed k ostr\u00fdm, z\u0159eteln\u00fdm n\u00e1raz\u016fm, kter\u00e9 zp\u016fsobuj\u00ed v\u00fdrazn\u00fd n\u00e1r\u016fst kurt\u00f3zy (nap\u0159\u00edklad na hodnotu 5,0 nebo vy\u0161\u0161\u00ed). Celkov\u00e1 efektivn\u00ed hodnota vibrac\u00ed m\u016f\u017ee b\u00fdt st\u00e1le n\u00edzk\u00e1. To je ide\u00e1ln\u00ed okam\u017eik pro detekci z\u00e1vady.<\/li>\n<li><strong>Rozvinut\u00e1 f\u00e1ze poruchy:<\/strong> jak se vada zv\u011bt\u0161uje a \u0161\u00ed\u0159\u00ed, dopady se st\u00e1vaj\u00ed \u010dast\u011bj\u0161\u00edmi a m\u00e9n\u011b z\u0159eteln\u00fdmi. Sign\u00e1l za\u010d\u00edn\u00e1 op\u011bt p\u0159ipom\u00ednat n\u00e1hodn\u00fd \u0161um, av\u0161ak s mnohem vy\u0161\u0161\u00ed energetickou \u00farovn\u00ed. V d\u016fsledku toho se hodnota kurt\u00f3zy m\u016f\u017ee <em>pokles<\/em> zp\u011bt k hodnot\u011b 3,0, i kdy\u017e \u00farove\u0148 RMS za\u010d\u00edn\u00e1 prudce stoupat.<\/li>\n<li><strong>Pozdn\u00ed f\u00e1ze \/ f\u00e1ze selh\u00e1n\u00ed:<\/strong> Lo\u017eisko je siln\u011b po\u0161kozen\u00e9 a vibrace jsou vysok\u00e9 a p\u0159ev\u00e1\u017en\u011b n\u00e1hodn\u00e9. Kurt\u00f3za se pohybuje kolem hodnoty 3,0, ale efektivn\u00ed hodnota ji\u017e dosahuje alarmn\u00ed \u00farovn\u011b.<\/li>\n<\/ol>\n<p>Pr\u00e1v\u011b tento \u017eivotn\u00ed cyklus je d\u016fvodem, pro\u010d je kurt\u00f3za tak cenn\u00fdm ukazatelem. Ide\u00e1ln\u00edm okam\u017eikem pro detekci je ran\u00e1 f\u00e1ze, kdy kurt\u00f3za stoup\u00e1; pokud bychom se spol\u00e9hali pouze na hodnotu RMS, porucha by z\u016fstala nezji\u0161t\u011bna, dokud by se nestala z\u00e1va\u017enou. Toto nemonot\u00f3nn\u00ed chov\u00e1n\u00ed je v\u0161ak tak\u00e9 varov\u00e1n\u00edm: hodnota kurt\u00f3zy, kter\u00e1 klesla zp\u011bt na 3,0, sama o sob\u011b je\u0161t\u011b neznamen\u00e1, \u017ee je lo\u017eisko zdrav\u00e9 \u2013 je nutn\u00e9 ji posuzovat ve spojen\u00ed s v\u00fdvojem hodnoty RMS.<\/p>\n<h2>5. M\u011b\u0159en\u00ed kurt\u00f3zy v ter\u00e9nu<\/h2>\n<p>Kurt\u00f3za se po\u010d\u00edt\u00e1 p\u0159\u00edmo z \u010dist\u00e9ho, dob\u0159e vzorkovan\u00e9ho \u010dasov\u00e9ho sign\u00e1lu, co\u017e z n\u00ed \u010din\u00ed p\u0159irozen\u00fd dopln\u011bk k pr\u00e1ci, kterou in\u017een\u00fdr ji\u017e na m\u00edst\u011b prov\u00e1d\u00ed. P\u0159enosn\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> zaznamen\u00e1v\u00e1 \u010dasov\u00fd pr\u016fb\u011bh vibrac\u00ed a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">spektrum<\/a> ze za\u0159\u00edzen\u00ed, kter\u00e9 b\u011b\u017e\u00ed na vlastn\u00edch lo\u017eisc\u00edch, tak\u017ee kdy\u017e se potvrd\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> je zkorigov\u00e1na pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> tento datov\u00fd soubor lze prozkoumat z hlediska n\u00e1znak\u016f poruchy lo\u017eiska nebo p\u0159evodovky, kter\u00e9 kurt\u00f3za odhaluje. Sledov\u00e1n\u00ed v\u00fdvoje t\u00e9to hodnoty v r\u00e1mci pravideln\u00fdch m\u011b\u0159en\u00ed prom\u011bn\u00ed jednor\u00e1zov\u00fd \u00fadaj v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/early-warning\/\">v\u010dasn\u00e9 varov\u00e1n\u00ed<\/a> ukazatel.<\/p>\n<h2>6. Omezen\u00ed<\/h2>\n<p>A\u010dkoli je kurt\u00f3za velmi \u00fa\u010dinn\u00e1, m\u011bla by se pou\u017e\u00edvat spole\u010dn\u011b s dal\u0161\u00edmi metodami, jako jsou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectral-analysis\/\">spektrum<\/a> a anal\u00fdza pr\u016fb\u011bh\u016f. M\u016f\u017ee b\u00fdt citliv\u00e1 na n\u00e1hodn\u00e9 r\u00e1zy, kter\u00e9 nesouvisej\u00ed se strojem, proto je nejlep\u0161\u00ed jej pova\u017eovat za <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trending\/\">sledov\u00e1n\u00ed trend\u016f<\/a> sp\u00ed\u0161e ne\u017e absolutn\u00ed prahovou hodnotu. Trval\u00fd n\u00e1r\u016fst kurt\u00f3zy v \u010dase je mnohem spolehliv\u011bj\u0161\u00edm ukazatelem ne\u017e jedin\u00e1 vysok\u00e1 hodnota, a potvrzen\u00ed zdroje ve spektru zabr\u00e1n\u00ed tomu, aby byl n\u00e1hodn\u00fd v\u00fdkyv myln\u011b pova\u017eov\u00e1n za vznikaj\u00edc\u00ed poruchu.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s kurtozou, statistick\u00fdm m\u011b\u0159en\u00edm pou\u017e\u00edvan\u00fdm v anal\u00fdze vibrac\u00ed k detekci impulzivn\u00edch ud\u00e1lost\u00ed, jako jsou vady lo\u017eisek v ran\u00e9 f\u00e1zi a praskliny zub\u016f ozuben\u00fdch kol, dlouho p\u0159edt\u00edm, ne\u017e se celkov\u00e9 vibrace zv\u00fd\u0161\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-152","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/152","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":4,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/152\/revisions"}],"predecessor-version":[{"id":102817,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/152\/revisions\/102817"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}