{"id":89,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cracked-rotor\/"},"modified":"2026-05-23T22:47:44","modified_gmt":"2026-05-23T22:47:44","slug":"cracked-rotor","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/cracked-rotor\/","title":{"rendered":"Co je praskl\u00fd rotor? Detekce a reakce"},"content":{"rendered":"<h1>Pochopen\u00ed praskl\u00fdch rotor\u016f<\/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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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\/89?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>A <strong>praskl\u00fd rotor<\/strong> je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a> nebo rotuj\u00edc\u00edho h\u0159\u00eddele, na kter\u00e9m vznikla \u00fanavov\u00e1 trhlina - lom \u0161\u00ed\u0159\u00edc\u00ed se materi\u00e1lem p\u0159i cyklick\u00e9m nam\u00e1h\u00e1n\u00ed. Jedn\u00e1 se v podstat\u011b o stejnou vadu jako u <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-crack\/\">prasklina v h\u0159\u00eddeli<\/a>, ale tento term\u00edn zd\u016fraz\u0148uje sp\u00ed\u0161e kompletn\u00ed sestavu rotoru ne\u017e hol\u00fd prvek h\u0159\u00eddele. Praskl\u00e9 rotory pat\u0159\u00ed k nejnebezpe\u010dn\u011bj\u0161\u00edm z\u00e1vad\u00e1m strojn\u00edch za\u0159\u00edzen\u00ed, proto\u017ee prasklina m\u016f\u017ee b\u011bhem n\u011bkolika dn\u016f nebo t\u00fddn\u016f p\u0159er\u016fst z mal\u00e9, nezjistiteln\u00e9 vady v \u00fapln\u00fd katastrofick\u00fd lom, jakmile dos\u00e1hne st\u00e1dia, kdy je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> monitorov\u00e1n\u00ed ji m\u016f\u017ee odhalit. Charakteristick\u00fdm znakem je v\u00fdrazn\u00fd <strong>2\u00d7 (druh\u00e1 harmonick\u00e1)<\/strong> slo\u017eka, kter\u00e1 roste s \u0161\u00ed\u0159en\u00edm trhliny a vznik\u00e1 v d\u016fsledku zm\u011bny tuhosti h\u0159\u00eddele dvakr\u00e1t za ot\u00e1\u010dku, kdy\u017e se trhlina b\u011bhem ot\u00e1\u010den\u00ed otev\u00edr\u00e1 a zav\u00edr\u00e1.<\/p>\n<h2>1. Definice a pro\u010d jsou trhliny tak nebezpe\u010dn\u00e9<\/h2>\n<p>\u00danavov\u00e1 trhlina v rotuj\u00edc\u00edm h\u0159\u00eddeli se chov\u00e1 zcela jinak ne\u017e statick\u00e1 vada. Ka\u017ed\u00e1 ot\u00e1\u010dka p\u016fsob\u00ed na prasklou \u010d\u00e1st pln\u00fdm cyklem tahu a stla\u010den\u00ed v ohybu, tak\u017ee rotor se po\u0161kozuje stejnou rychlost\u00ed, jakou se hromad\u00ed ot\u00e1\u010dky - tis\u00edce nap\u011b\u0165ov\u00fdch cykl\u016f za minutu. Zr\u00e1dn\u00e1 je \u010dasov\u00e1 osa: trhlina m\u016f\u017ee b\u00fdt roky ne\u0161kodn\u00e1 a neviditeln\u00e1, pak vstoup\u00ed do f\u00e1ze rychl\u00e9ho zrychlen\u00ed, kdy se rozp\u011bt\u00ed mezi &#8220;poprv\u00e9 spolehliv\u011b zjistitelnou&#8221; a &#8220;prasklou&#8221; m\u011b\u0159\u00ed na dny. Pr\u00e1v\u011b toto zkr\u00e1cen\u00e9 varovn\u00e9 okno je d\u016fvodem, pro\u010d je potvrzen\u00e1 trhlina obvykle pova\u017eov\u00e1na za d\u016fvod k okam\u017eit\u00e9mu z\u00e1sahu. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shutdown\/\">vypnut\u00ed<\/a>, a pro\u010d kontinu\u00e1ln\u011b <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> je u kritick\u00fdch stroj\u016f opr\u00e1vn\u011bn\u00e9.<\/p>\n<h2>2. Jak vznikaj\u00ed trhliny v rotorech<\/h2>\n<h3>M\u00edsta iniciace trhlin<\/h3>\n<p>Trhliny t\u00e9m\u011b\u0159 v\u017edy vznikaj\u00ed v m\u00edst\u011b koncentrace nap\u011bt\u00ed - geometrick\u00e9m nebo metalurgick\u00e9m prvku, kde je m\u00edstn\u00ed nap\u011bt\u00ed zes\u00edleno v\u00fdrazn\u011b nad jmenovitou \u00farove\u0148:<\/p>\n<ul>\n<li><strong>Dr\u00e1\u017eky pro pera:<\/strong> ostr\u00e9 rohy na konc\u00edch dr\u00e1\u017eek - nej\u010dast\u011bj\u0161\u00ed m\u00edsto iniciace.<\/li>\n<li><strong>Zm\u011bny pr\u016fm\u011bru:<\/strong> ramena, stupn\u011b a p\u0159echody.<\/li>\n<li><strong>Z\u00e1vitovan\u00e9 \u010d\u00e1sti:<\/strong> ko\u0159eny z\u00e1vit\u016f, kter\u00e9 koncentruj\u00ed nap\u011bt\u00ed.<\/li>\n<li><strong>Otvory a p\u0159\u00ed\u010dn\u00e9 vrty:<\/strong> olejov\u00e9 kan\u00e1ly nebo mont\u00e1\u017en\u00ed otvory.<\/li>\n<li><strong>Lisovan\u00e9 hrany:<\/strong> p\u0159esahy, kter\u00e9 zanech\u00e1vaj\u00ed zbytkov\u00e9 nap\u011bt\u00ed a vyvol\u00e1vaj\u00ed ot\u011br.<\/li>\n<li><strong>Svary:<\/strong> tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3ny a n\u00e1tok svaru.<\/li>\n<li><strong>Korozn\u00ed j\u00e1my:<\/strong> povrchov\u00e9 vady z <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/corrosion\/\">koroze<\/a> kter\u00e9 funguj\u00ed jako hotov\u00e1 m\u00edsta iniciace prasklin.<\/li>\n<li><strong>Zna\u010dky po obr\u00e1b\u011bn\u00ed:<\/strong> stopy po n\u00e1stroji, zejm\u00e9na pokud jsou orientov\u00e1ny kolmo na hlavn\u00ed nap\u011bt\u00ed.<\/li>\n<\/ul>\n<h3>Proces r\u016fstu trhlin<\/h3>\n<ol>\n<li><strong>Tvorba mikrotrhlin:<\/strong> iniciovan\u00e9 p\u0159i koncentraci nap\u011bt\u00ed, obvykle pod 1 mm.<\/li>\n<li><strong>Pomal\u00e9 \u0161\u00ed\u0159en\u00ed:<\/strong> trhlina se s ka\u017ed\u00fdm nap\u011b\u0165ov\u00fdm cyklem postupn\u011b zv\u011bt\u0161uje - tato f\u00e1ze m\u016f\u017ee trvat i n\u011bkolik let.<\/li>\n<li><strong>Akcelerace:<\/strong> s r\u016fstem trhliny roste intenzita nap\u011bt\u00ed a zrychluje se rychlost r\u016fstu.<\/li>\n<li><strong>Zjistiteln\u00e1 f\u00e1ze:<\/strong> p\u0159i zhruba 10-30% p\u0159es pr\u016fm\u011br se projev\u00ed 2\u00d7 vibrace.<\/li>\n<li><strong>Kritick\u00e1 velikost:<\/strong> zb\u00fdvaj\u00edc\u00ed vazy ji\u017e nemohou n\u00e9st z\u00e1t\u011b\u017e.<\/li>\n<li><strong>Katastrofick\u00e1 zlomenina:<\/strong> n\u00e1hl\u00e9 \u00fapln\u00e9 selh\u00e1n\u00ed h\u0159\u00eddele.<\/li>\n<\/ol>\n<p>Hnac\u00ed s\u00edla v ka\u017ed\u00e9 f\u00e1zi je cyklick\u00e1. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a>, tak\u017ee v\u0161e, co sni\u017euje cyklick\u00e9 nam\u00e1h\u00e1n\u00ed v ohybu - dobr\u00e9 vyv\u00e1\u017een\u00ed, p\u0159esn\u00e9 se\u0159\u00edzen\u00ed - p\u0159\u00edmo zpomaluje r\u016fst trhlin.<\/p>\n<h2>3. Charakteristick\u00e1 vibra\u010dn\u00ed signatura 2X<\/h2>\n<h3>Pro\u010d trhliny zp\u016fsobuj\u00ed vibrace 2X<\/h3>\n<p>T\u00edmto mechanismem je tzv. <em>d\u00fdchac\u00ed trhlina<\/em>:<\/p>\n<ul>\n<li><strong>Uzav\u0159en\u00e1 trhlina (komprese):<\/strong> kdy\u017e se oblast s trhlinou ot\u00e1\u010d\u00ed do tlaku (spodn\u00ed \u010d\u00e1st ot\u00e1\u010den\u00ed u vodorovn\u00e9ho h\u0159\u00eddele), \u010dela trhliny se p\u0159itisknou k sob\u011b a tuhost h\u0159\u00eddele je vy\u0161\u0161\u00ed.<\/li>\n<li><strong>Otev\u0159en\u00e1 trhlina (nap\u011bt\u00ed):<\/strong> kdy\u017e se trhlina oto\u010d\u00ed do tahu (vrchol ot\u00e1\u010den\u00ed), otev\u0159e se a tuhost h\u0159\u00eddele je ni\u017e\u0161\u00ed.<\/li>\n<li><strong>Dvakr\u00e1t za ot\u00e1\u010dku:<\/strong> tuhost se tedy zm\u011bn\u00ed dvakr\u00e1t za ot\u00e1\u010dku - jednou p\u0159i pr\u016fchodu trhliny sm\u011brem nahoru a jednou sm\u011brem dol\u016f.<\/li>\n<li><strong>2\u00d7 vynucen\u00ed:<\/strong> tato zm\u011bna tuhosti p\u0159i dvojn\u00e1sobn\u00e9 ot\u00e1\u010dkov\u00e9 frekvenci vytv\u00e1\u0159\u00ed 2\u00d7 vibra\u010dn\u00ed odezvu.<\/li>\n<li><strong>R\u016fst amplitudy:<\/strong> s prohlubuj\u00edc\u00ed se trhlinou roste asymetrie tuhosti a s n\u00ed roste i amplituda 2\u00d7.<\/li>\n<\/ul>\n<h3>Vibra\u010dn\u00ed charakteristiky<\/h3>\n<ul>\n<li><strong>Prim\u00e1rn\u00ed ukazatel:<\/strong> 2\u00d7 slo\u017eka, kter\u00e1 se objevuje a postupn\u011b roste.<\/li>\n<li><strong>1\u00d7 zm\u011bny:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a> vibrace se mohou tak\u00e9 zv\u00fd\u0161it, proto\u017ee trhlina vyvol\u00e1v\u00e1 zbytkov\u00fd ohyb rotoru.<\/li>\n<li><strong>Vy\u0161\u0161\u00ed harmonick\u00e9:<\/strong> 3\u00d7 a 4\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/harmonics\/\">harmonick\u00e9<\/a> se m\u016f\u017ee objevit, jakmile se trhlina zv\u011bt\u0161\u00ed.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">F\u00e1ze<\/a> chov\u00e1n\u00ed:<\/strong> se f\u00e1zov\u00e9 \u00fahly p\u0159i startu a poklesu m\u011bn\u00ed jinak ne\u017e u \u010dist\u011b <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> odpov\u011b\u010f - kl\u00ed\u010dov\u00fd rozli\u0161ovac\u00ed znak.<\/li>\n<li><strong>Citlivost na teplotu:<\/strong> amplituda 2\u00d7 se m\u016f\u017ee m\u011bnit v z\u00e1vislosti na teplot\u011b h\u0159\u00eddele, co\u017e ovliv\u0148uje rychlost otev\u0159en\u00ed trhliny.<\/li>\n<\/ul>\n<p>Je t\u0159eba zd\u016fraznit, \u017ee samotn\u00e1 vysok\u00e1 hodnota 2\u00d7 nen\u00ed d\u016fkazem praskliny - <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a> a n\u011bkter\u00e9 formy <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/looseness\/\">v\u016fle<\/a> tak\u00e9 zv\u00fd\u0161it 2\u00d7. Rozli\u0161ovac\u00edmi znaky jsou stabiln\u00ed <em>r\u016fst<\/em> v pr\u016fb\u011bhu \u010dasu a neobvykl\u00e9 f\u00e1zov\u00e9 chov\u00e1n\u00ed v d\u016fsledku rezonance, co\u017e je d\u016fvod, pro\u010d se pou\u017e\u00edv\u00e1 jak testov\u00e1n\u00ed trend\u016f, tak testov\u00e1n\u00ed p\u0159echodov\u00fdch stav\u016f.<\/p>\n<h2>4. Detekce a diagnostika<\/h2>\n<h3>Monitorov\u00e1n\u00ed vibrac\u00ed<\/h3>\n<h4>Trendy pom\u011bru 2X\/1X<\/h4>\n<p>Nejprakti\u010dt\u011bj\u0161\u00edm indik\u00e1torem pole je pom\u011br 2\u00d7 amplitudy k 1\u00d7 amplitud\u011b, sledovan\u00fd v \u010dase prost\u0159ednictv\u00edm <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trending\/\">sledov\u00e1n\u00ed trend\u016f<\/a>:<\/p>\n<ul>\n<li>Norm\u00e1ln\u00ed stroje: 2\u00d7\/1\u00d7 pod cca 0,2-0,3.<\/li>\n<li>Podez\u0159en\u00ed na trhlinu: 2\u00d7\/1\u00d7 nad 0,5 a rostouc\u00ed.<\/li>\n<li>Potvrzen\u00e1 trhlina: 2\u00d7\/1\u00d7 bl\u00ed\u017e\u00edc\u00ed se nebo p\u0159esahuj\u00edc\u00ed 1,0<\/li>\n<li>Nouzov\u00e9 stavy: 2\u00d7\/1\u00d7 nad 2,0 - doporu\u010duje se okam\u017eit\u00e9 vypnut\u00ed.<\/li>\n<\/ul>\n<h4>Testov\u00e1n\u00ed p\u0159echodov\u00fdch jev\u016f<\/h4>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bode-plot\/\">Bodeho grafy<\/a> zaznamenan\u00e9 b\u011bhem rozb\u011bhu a odb\u011bhu.<\/li>\n<li>Praskl\u00fd rotor vykazuje p\u0159i pr\u016fchodu rezonanc\u00ed anom\u00e1ln\u00ed chov\u00e1n\u00ed 2\u00d7.<\/li>\n<li>V polovin\u011b ka\u017ed\u00e9ho z nich se mohou objevit dva vrcholy <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e1 rychlost<\/a>, proto\u017ee 2\u00d7 silov\u00e9 p\u016fsoben\u00ed vybuzuje rezonanci polovi\u010dn\u00ed rychlost\u00ed ne\u017e obvykle.<\/li>\n<li>F\u00e1zov\u00e9 zm\u011bny se li\u0161\u00ed od norm\u00e1ln\u00ed odezvy na nevyv\u00e1\u017eenost<\/li>\n<\/ul>\n<h3>Nedestruktivn\u00ed zkou\u0161en\u00ed<\/h3>\n<p>Vibrace v\u00e1m \u0159\u00edkaj\u00ed, abyste se pod\u00edvali; <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/non-destructive-testing\/\">nedestruktivn\u00ed zkou\u0161en\u00ed<\/a> potvrd\u00ed a ur\u010d\u00ed velikost trhliny:<\/p>\n<ul>\n<li><strong>Kontrola magnetick\u00fdch \u010d\u00e1stic (MPI):<\/strong> detekuje povrchov\u00e9 a p\u0159\u00edpovrchov\u00e9 trhliny.<\/li>\n<li><strong>Penetrace barvivem:<\/strong> vizu\u00e1ln\u00ed detekce trhlin poru\u0161uj\u00edc\u00edch povrch.<\/li>\n<li><strong>Ultrazvukov\u00e1 zkou\u0161ka (UT):<\/strong> detekuje vnit\u0159n\u00ed trhliny a m\u011b\u0159\u00ed jejich hloubku.<\/li>\n<li><strong>V\u00ed\u0159iv\u00fd proud:<\/strong> bezkontaktn\u00ed detekce trhlin na povrchu.<\/li>\n<li><strong>Radiografie:<\/strong> detekce vnit\u0159n\u00edch trhlin v kritick\u00fdch sou\u010d\u00e1stech.<\/li>\n<\/ul>\n<h2>5. Nouzov\u00e1 opat\u0159en\u00ed<\/h2>\n<h3>Po zji\u0161t\u011bn\u00ed podez\u0159en\u00ed na trhlinu<\/h3>\n<ol>\n<li><strong>Zv\u00fd\u0161it monitorov\u00e1n\u00ed:<\/strong> z m\u011bs\u00ed\u010dn\u00edch interval\u016f na denn\u00ed nebo nep\u0159etr\u017eit\u00fd monitoring.<\/li>\n<li><strong>Sn\u00ed\u017een\u00ed vibra\u010dn\u00ed intenzity b\u011bhem provozu:<\/strong> ni\u017e\u0161\u00ed rychlost nebo zat\u00ed\u017een\u00ed, pokud je to mo\u017en\u00e9.<\/li>\n<li><strong>Napl\u00e1nujte okam\u017eitou kontrolu:<\/strong> Co nejd\u0159\u00edve napl\u00e1novat NDT vy\u0161et\u0159en\u00ed.<\/li>\n<li><strong>P\u0159ipravte se na vypnut\u00ed:<\/strong> Objednat n\u00e1hradn\u00ed h\u0159\u00eddel a napl\u00e1novat postup opravy.<\/li>\n<li><strong>Hodnocen\u00ed rizik:<\/strong> Odhadnout dobu do potenci\u00e1ln\u00edho selh\u00e1n\u00ed na z\u00e1klad\u011b pozorovan\u00e9 rychlosti r\u016fstu.<\/li>\n<\/ol>\n<h3>Pokud je trhlina potvrzena<\/h3>\n<ul>\n<li><strong>Okam\u017eit\u00e9 vypnut\u00ed<\/strong> \u2014 pokud form\u00e1ln\u00ed posouzen\u00ed rizik neprok\u00e1\u017ee bezpe\u010dn\u00e9 pokra\u010dov\u00e1n\u00ed provozu po ur\u010ditou omezenou dobu.<\/li>\n<li><strong>\u017d\u00e1dn\u00fd restart<\/strong> dokud nebude h\u0159\u00eddel vym\u011bn\u011bna nebo opravena.<\/li>\n<li><strong>V\u00fdm\u011bna h\u0159\u00eddele<\/strong> je nejspolehliv\u011bj\u0161\u00edm \u0159e\u0161en\u00edm.<\/li>\n<li><strong>Anal\u00fdza ko\u0159enov\u00fdch p\u0159\u00ed\u010din<\/strong> zjistit p\u0159\u00ed\u010dinu vzniku trhliny a zabr\u00e1nit jej\u00edmu opakov\u00e1n\u00ed.<\/li>\n<\/ul>\n<h2>6. Strategie prevence<\/h2>\n<h3>N\u00e1vrh<\/h3>\n<ul>\n<li>Eliminujte nebo minimalizujte koncentrace nap\u011bt\u00ed.<\/li>\n<li>Pou\u017e\u00edvejte velk\u00e9 polom\u011bry zaoblen\u00ed (u\u017eite\u010dn\u00e9 pravidlo je R v\u011bt\u0161\u00ed ne\u017e 0,1 \u00d7 pr\u016fm\u011br).<\/li>\n<li>Pokud je to mo\u017en\u00e9, vyhn\u011bte se dr\u00e1\u017ek\u00e1m; up\u0159ednost\u0148ujte interferen\u010dn\u00ed ulo\u017een\u00ed.<\/li>\n<li>Ur\u010dete vhodn\u00fd materi\u00e1l a tepeln\u00e9 zpracov\u00e1n\u00ed.<\/li>\n<li>Pro zlep\u0161en\u00ed \u00fanavov\u00e9 odolnosti pou\u017eijte povrchov\u00e9 \u00fapravy, jako je kuli\u010dkov\u00e1n\u00ed nebo nitridace.<\/li>\n<\/ul>\n<h3>Operace<\/h3>\n<ul>\n<li>Udr\u017eujte dobr\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">kvalita vyv\u00e1\u017een\u00ed<\/a> aby se minimalizovalo cyklick\u00e9 nam\u00e1h\u00e1n\u00ed v ohybu.<\/li>\n<li>P\u0159esnost dr\u017een\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/laser-shaft-alignment\/\">souosost h\u0159\u00eddele<\/a> ke sn\u00ed\u017een\u00ed ohybov\u00fdch moment\u016f.<\/li>\n<li>Vyvarujte se trval\u00e9ho provozu p\u0159i kritick\u00fdch rychlostech.<\/li>\n<li>Zabra\u0148te ud\u00e1lostem p\u0159ekro\u010den\u00ed rychlosti.<\/li>\n<li>Kontrolujte tepelnou z\u00e1t\u011b\u017e spr\u00e1vn\u00fdm zah\u0159\u00edv\u00e1n\u00edm a ochlazov\u00e1n\u00edm.<\/li>\n<\/ul>\n<h3>\u00dadr\u017eba<\/h3>\n<ul>\n<li>Rutinn\u00ed monitorov\u00e1n\u00ed vibrac\u00ed s explicitn\u00edm 2\u00d7 trendem.<\/li>\n<li>Pravideln\u00e1 kontrola NDT - ka\u017edoro\u010dn\u011b nebo podle posouzen\u00ed rizik.<\/li>\n<li>Zabra\u0148uje korozi, kter\u00e1 chr\u00e1n\u00ed p\u0159ed prask\u00e1n\u00edm zp\u016fsoben\u00fdm j\u00e1mou.<\/li>\n<li>Udr\u017eujte vibrace na n\u00edzk\u00e9 \u00farovni, abyste sn\u00ed\u017eili cyklick\u00e9 nam\u00e1h\u00e1n\u00ed.<\/li>\n<\/ul>\n<p>Dobr\u00e1 rovnov\u00e1ha si zaslou\u017e\u00ed zvl\u00e1\u0161tn\u00ed zm\u00ednku, proto\u017ee je to jedin\u00e9 preventivn\u00ed opat\u0159en\u00ed, kter\u00e9 m\u016f\u017ee t\u00fdm \u00fadr\u017eby pou\u017e\u00edt v ter\u00e9nu. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159. <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed 1\u00d7 amplitudu a f\u00e1zi ve vlastn\u00edch lo\u017eisk\u00e1ch stroje a vede jedno- nebo dvourovinnou korekci pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trial-weight\/\">zku\u0161ebn\u00ed hmotnost<\/a>, kter\u00fd \u0159\u00edd\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/residual-unbalance\/\">zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> na c\u00edlovou hodnotu ISO 21940-11. Ni\u017e\u0161\u00ed s\u00edly 1\u00d7 znamenaj\u00ed ni\u017e\u0161\u00ed cyklick\u00e9 ohybov\u00e9 nam\u00e1h\u00e1n\u00ed ka\u017ed\u00e9 dr\u00e1\u017eky a ramene - co\u017e p\u0159\u00edmo prodlu\u017euje \u00fanavovou \u017eivotnost, kterou by jinak prasklina spot\u0159ebovala. Stejn\u00fd p\u0159\u00edstroj je neoceniteln\u00fd pro zachycen\u00ed amplitudov\u00fdch a f\u00e1zov\u00fdch \u00fadaj\u016f o rozb\u011bhu a dob\u011bhu, kter\u00e9 odli\u0161uj\u00ed d\u00fdchaj\u00edc\u00ed trhlinu od b\u011b\u017en\u00e9 nevyv\u00e1\u017eenosti.<\/p>\n<p>Praskl\u00e9 rotory p\u0159edstavuj\u00ed jeden z nejkriti\u010dt\u011bj\u0161\u00edch zp\u016fsob\u016f poruch u rota\u010dn\u00edch stroj\u016f. Kombinace monitorov\u00e1n\u00ed vibrac\u00ed - zji\u0161\u0165ov\u00e1n\u00ed charakteristick\u00e9ho r\u016fstu signatury 2\u00d7 - s pravideln\u00fdm nedestruktivn\u00edm zkoum\u00e1n\u00edm poskytuje z\u00e1kladn\u00ed ochranu, kter\u00e1 umo\u017e\u0148uje odhalen\u00ed p\u0159ed katastrofickou poruchou a pl\u00e1novanou v\u00fdm\u011bnu h\u0159\u00eddele, je\u017e zabr\u00e1n\u00ed rozs\u00e1hl\u00e9mu sekund\u00e1rn\u00edmu po\u0161kozen\u00ed a v\u00e1\u017en\u00e9mu ohro\u017een\u00ed bezpe\u010dnosti.<\/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 praskl\u00fdch rotorech a \u00fanavov\u00fdch lomech v rotuj\u00edc\u00edch h\u0159\u00eddel\u00edch, kter\u00e9 produkuj\u00ed charakteristick\u00e9 2X vibra\u010dn\u00ed sign\u00e1ly vy\u017eaduj\u00edc\u00ed okam\u017eitou detekci a vypnut\u00ed, aby se zabr\u00e1nilo katastrofick\u00e9mu selh\u00e1n\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-89","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/89","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\/89\/revisions"}],"predecessor-version":[{"id":101379,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/89\/revisions\/101379"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}