{"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\/sk\/glossary\/cracked-rotor\/","title":{"rendered":"\u010co je prasknut\u00fd rotor? Detekcia a reakcia"},"content":{"rendered":"<h1>Pochopenie prasknut\u00fdch rotorov<\/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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"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\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p>A <strong>prasknut\u00fd rotor<\/strong> je <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor\/\">rotor<\/a> alebo na rotuj\u00facom hriadeli, na ktorom vznikla \u00fanavov\u00e1 trhlina \u2013 zlomenina \u0161\u00edriaca sa materi\u00e1lom v d\u00f4sledku cyklick\u00e9ho nam\u00e1hania. Ide v podstate o rovnak\u00fa poruchu ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shaft-crack\/\">prasklina v hriadeli<\/a>, tento pojem v\u0161ak ozna\u010duje sk\u00f4r kompletn\u00fa zostavu rotora ako samotn\u00fd hriade\u013e. Prasknut\u00e9 rotory patria medzi najnebezpe\u010dnej\u0161ie poruchy strojov, preto\u017ee prasklina sa m\u00f4\u017ee v priebehu dn\u00ed \u010di t\u00fd\u017ed\u0148ov zv\u00e4\u010d\u0161i\u0165 z malej, nezistite\u013enej chyby a\u017e na \u00fapln\u00e9 katastrof\u00e1lne zlomenie, a to hne\u010f ako dosiahne \u0161t\u00e1dium, v ktorom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> monitorovanie to dok\u00e1\u017ee odhali\u0165. Charakteristick\u00fdm znakom je v\u00fdrazn\u00fd <strong>2\u00d7 (druh\u00e1 harmonick\u00e1)<\/strong> zlo\u017eka, ktor\u00e1 sa zv\u00e4\u010d\u0161uje s postupuj\u00facou trhlinkou a vznik\u00e1 v d\u00f4sledku dvojn\u00e1sobnej zmeny tuhosti hriade\u013ea na jednu ot\u00e1\u010dku, ke\u010f sa trhlina po\u010das ot\u00e1\u010dania otv\u00e1ra a zatv\u00e1ra.<\/p>\n<h2>1. Defin\u00edcia a pre\u010do s\u00fa trhliny tak\u00e9 nebezpe\u010dn\u00e9<\/h2>\n<p>\u00danavov\u00e1 trhlina v rotuj\u00facom hriadeli sa spr\u00e1va \u00faplne inak ako statick\u00e1 vada. Ka\u017ed\u00e1 ot\u00e1\u010dka vystavuje po\u0161koden\u00fa \u010das\u0165 \u00fapln\u00e9mu cyklu ohybu v \u0165ahu a tlaku, tak\u017ee rotor akumuluje po\u0161kodenie rovnakou r\u00fdchlos\u0165ou, akou naber\u00e1 ot\u00e1\u010dky \u2013 tis\u00edce nap\u00e4\u0165ov\u00fdch cyklov za min\u00fatu. Zradnou \u010das\u0165ou je \u010dasov\u00e1 os: trhlina m\u00f4\u017ee roky zosta\u0165 ne\u0161kodn\u00e1 a nevidite\u013en\u00e1, potom v\u0161ak vst\u00fapi do f\u00e1zy r\u00fdchleho zr\u00fdchlenia, v ktorej sa rozdiel medzi \u201eprv\u00fdm spo\u013eahliv\u00fdm zisten\u00edm\u201c a \u201ezlomen\u00edm\u201c meria v d\u0148och. Pr\u00e1ve toto skr\u00e1ten\u00e9 varovn\u00e9 okno je d\u00f4vodom, pre\u010do sa potvrden\u00e1 trhlina zvy\u010dajne pova\u017euje za d\u00f4vod na okam\u017eit\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shutdown\/\">vypnutie<\/a>, a pre\u010do pr\u00e1ve nepretr\u017eit\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/condition-monitoring\/\">monitorovanie stavu<\/a> je na kritick\u00fdch zariadeniach opodstatnen\u00e9.<\/p>\n<h2>2. Ako vznikaj\u00fa trhliny v rotoroch<\/h2>\n<h3>Miesta vzniku trhl\u00edn<\/h3>\n<p>Trhliny vznikaj\u00fa takmer v\u017edy v mieste koncentr\u00e1cie nap\u00e4tia \u2013 ide o geometrick\u00fd alebo metalurgick\u00fd prvok, v ktorom sa lok\u00e1lne nap\u00e4tie zosil\u0148uje na hodnotu v\u00fdrazne prevy\u0161uj\u00facu nomin\u00e1lnu \u00farove\u0148:<\/p>\n<ul>\n<li><strong>Dr\u00e1\u017eky:<\/strong> ostr\u00e9 rohy na koncoch dr\u00e1\u017eky \u2013 naj\u010dastej\u0161ie miesto vzniku po\u0161kodenia.<\/li>\n<li><strong>Zmeny priemeru:<\/strong> ramen\u00e1, kroky a prechody.<\/li>\n<li><strong>\u010casti so z\u00e1vitom:<\/strong> vl\u00e1kna, ktor\u00e9 s\u00fastre\u010fuj\u00fa nap\u00e4tie<\/li>\n<li><strong>Otvory a prie\u010dne otvory:<\/strong> olejov\u00e9 kan\u00e1ly alebo mont\u00e1\u017ene otvory.<\/li>\n<li><strong>Hranice s lisovan\u00fdm ulo\u017een\u00edm:<\/strong> tla\u010dn\u00e9 ulo\u017eenia, ktor\u00e9 zanech\u00e1vaj\u00fa zvy\u0161kov\u00e9 nap\u00e4tie a ved\u00fa k opotrebeniu tren\u00edm.<\/li>\n<li><strong>Zvary:<\/strong> z\u00f3ny ovplyvnen\u00e9 teplom a okraje zvaru.<\/li>\n<li><strong>Kor\u00f3zne jamy:<\/strong> povrchov\u00e9 vady sp\u00f4soben\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/corrosion\/\">kor\u00f3zia<\/a> ktor\u00e9 sl\u00fa\u017eia ako hotov\u00e9 inici\u00e1tory trhl\u00edn.<\/li>\n<li><strong>Stopy po obr\u00e1ban\u00ed:<\/strong> stopy po n\u00e1stroji, najm\u00e4 ak s\u00fa orientovan\u00e9 kolmo na hlavn\u00e9 nap\u00e4tie.<\/li>\n<\/ul>\n<h3>Proces rastu trhl\u00edn<\/h3>\n<ol>\n<li><strong>Vznik mikrotrhl\u00edn:<\/strong> za\u010d\u00edna v mieste koncentr\u00e1cie nap\u00e4tia, zvy\u010dajne men\u0161om ako 1 mm.<\/li>\n<li><strong>Pomal\u00e9 \u0161\u00edrenie:<\/strong> trhlina sa s ka\u017ed\u00fdm cyklusom nam\u00e1hania postupne zv\u00e4\u010d\u0161uje \u2013 t\u00e1to f\u00e1za m\u00f4\u017ee trva\u0165 roky.<\/li>\n<li><strong>Zr\u00fdchlenie:<\/strong> s rastom trhliny st\u00fapa intenzita nap\u00e4tia a r\u00fdchlos\u0165 rastu sa zr\u00fdch\u013euje.<\/li>\n<li><strong>Zistite\u013en\u00e9 \u0161t\u00e1dium:<\/strong> pribli\u017ene v h\u013abke 10 \u2013 30 % priemeru sa vibr\u00e1cia 2\u00d7 st\u00e1va zjavnou.<\/li>\n<li><strong>Kritick\u00e1 ve\u013ekos\u0165:<\/strong> zvy\u0161n\u00e1 \u010das\u0165 v\u00e4zu u\u017e nedok\u00e1\u017ee unies\u0165 z\u00e1\u0165a\u017e.<\/li>\n<li><strong>Z\u00e1va\u017en\u00e1 zlomenina:<\/strong> n\u00e1hle a \u00fapln\u00e9 zlyhanie hriade\u013ea.<\/li>\n<\/ol>\n<p>Hnacou silou v ka\u017edej f\u00e1ze je cyklickos\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fatigue\/\">\u00fanava<\/a>, tak\u017ee v\u0161etko, \u010do zni\u017euje cyklick\u00e9 ohybov\u00e9 nam\u00e1hanie \u2013 dobr\u00e1 vyv\u00e1\u017eenos\u0165, presn\u00e9 vyrovnanie \u2013 priamo spoma\u013euje \u0161\u00edrenie trhl\u00edn.<\/p>\n<h2>3. Charakteristick\u00e1 vibra\u010dn\u00e1 signat\u00fara 2X<\/h2>\n<h3>Pre\u010do praskliny sp\u00f4sobuj\u00fa vibr\u00e1cie s frekvenciou 2X<\/h3>\n<p>Tento mechanizmus je takzvan\u00fd <em>d\u00fdchacia trhlina<\/em>:<\/p>\n<ul>\n<li><strong>Trhlina uzavret\u00e1 (stla\u010denie):<\/strong> Ke\u010f sa oblas\u0165 s trhlinou oto\u010d\u00ed do stla\u010denia (spodn\u00e1 poloha ot\u00e1\u010dania pri horizont\u00e1lnom hriadeli), steny trhliny sa stla\u010dia k sebe a tuhos\u0165 hriade\u013ea sa zv\u00fd\u0161i.<\/li>\n<li><strong>Trhlina otvoren\u00e1 (\u0165ah):<\/strong> Ke\u010f sa trhlina oto\u010d\u00ed do \u0165ahu (vrchol oto\u010denia), otvor\u00ed sa a tuhos\u0165 hriade\u013ea sa zn\u00ed\u017ei.<\/li>\n<li><strong>Dvakr\u00e1t za ot\u00e1\u010dku:<\/strong> Tuhos\u0165 sa teda men\u00ed dvakr\u00e1t za ot\u00e1\u010dku \u2013 raz, ke\u010f trhlina prech\u00e1dza do smeru nahor, a raz, ke\u010f prech\u00e1dza do smeru nadol.<\/li>\n<li><strong>2\u00d7 fors\u00edrovanie:<\/strong> T\u00e1to zmena tuhosti pri dvojn\u00e1sobnej r\u00fdchlosti behu sp\u00f4sobuje dvojn\u00e1sobn\u00fa vibra\u010dn\u00fa odozvu.<\/li>\n<li><strong>Rast amplit\u00fady:<\/strong> s prehlbovan\u00edm trhliny sa zvy\u0161uje asymetria tuhosti a spolu s \u0148ou rastie aj amplit\u00fada 2\u00d7.<\/li>\n<\/ul>\n<h3>Vibra\u010dn\u00e9 charakteristiky<\/h3>\n<ul>\n<li><strong>Hlavn\u00fd ukazovate\u013e:<\/strong> komponenta 2\u00d7, ktor\u00e1 sa postupne objavuje a v priebehu \u010dasu neust\u00e1le rastie.<\/li>\n<li><strong>1\u00d7 zmeny:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">r\u00fdchlos\u0165 behu<\/a> Vibr\u00e1cie sa m\u00f4\u017eu zv\u00fd\u0161i\u0165 aj v d\u00f4sledku toho, \u017ee trhlina sp\u00f4sobuje rezidu\u00e1lne ohnutie rotora.<\/li>\n<li><strong>Vy\u0161\u0161ie harmonick\u00e9:<\/strong> 3\u00d7 a 4\u00d7 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/harmonics\/\">harmonick\u00e9<\/a> m\u00f4\u017eu sa objavi\u0165, ke\u010f sa trhlina zv\u00e4\u010d\u0161\u00ed.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">F\u00e1za<\/a> spr\u00e1vanie:<\/strong> F\u00e1zov\u00e9 uhly sa po\u010das rozbiehania a dobehu menia inak ako pri \u010disto <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> reakcia \u2014 k\u013e\u00fa\u010dov\u00fd rozli\u0161ovac\u00ed faktor.<\/li>\n<li><strong>Citlivos\u0165 na teplotu:<\/strong> Amplit\u00fada 2\u00d7 sa m\u00f4\u017ee meni\u0165 v z\u00e1vislosti od teploty hriade\u013ea, \u010do ovplyv\u0148uje r\u00fdchlos\u0165 otv\u00e1rania trhliny.<\/li>\n<\/ul>\n<p>Treba zd\u00f4razni\u0165, \u017ee samotn\u00e1 vysok\u00e1 hodnota 2\u00d7 e\u0161te neznamen\u00e1, \u017ee ide o trhlinu \u2014 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nespr\u00e1vne zarovnanie<\/a> a niektor\u00e9 formy <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/looseness\/\">uvo\u013enenos\u0165<\/a> tie\u017e zv\u00fd\u0161i\u0165 2\u00d7. Rozli\u0161uj\u00facimi znakmi s\u00fa stabiln\u00e9 <em>rast<\/em> v priebehu \u010dasu a nezvy\u010dajn\u00e9 f\u00e1zov\u00e9 spr\u00e1vanie sp\u00f4soben\u00e9 rezonanciou, a preto sa vyu\u017e\u00edvaj\u00fa testy v ust\u00e1lenom re\u017eime aj prechodov\u00e9 testy.<\/p>\n<h2>4. Zistenie a diagnostika<\/h2>\n<h3>Monitorovanie vibr\u00e1ci\u00ed<\/h3>\n<h4>Trend pomeru 2X\/1X<\/h4>\n<p>Najpraktickej\u0161\u00edm ukazovate\u013eom po\u013ea je pomer amplit\u00fady 2\u00d7 k amplit\u00fade 1\u00d7, ktor\u00fd sa sleduje v \u010dase prostredn\u00edctvom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/trending\/\">trendy<\/a>:<\/p>\n<ul>\n<li>Be\u017en\u00e9 stroje: 2\u00d7\/1\u00d7 pod hodnotou pribli\u017ene 0,2\u20130,3.<\/li>\n<li>Podozrenie na prasklinu: 2\u00d7\/1\u00d7 nad 0,5 a st\u00fapa.<\/li>\n<li>Potvrden\u00e1 trhlina: 2\u00d7\/1\u00d7 bl\u00ed\u017eiaca sa alebo presahuj\u00faca 1,0<\/li>\n<li>N\u00fadzov\u00fd stav: 2\u00d7\/1\u00d7 nad hodnotou 2,0 \u2013 odpor\u00fa\u010da sa okam\u017eit\u00e9 odstavenie.<\/li>\n<\/ul>\n<h4>Testovanie prechodn\u00fdch javov<\/h4>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bode-plot\/\">Bodeho grafy<\/a> zaznamenan\u00e9 po\u010das rozbiehania a dobehu.<\/li>\n<li>Prasknut\u00fd rotor vykazuje pri prechode rezonanciou nezvy\u010dajn\u00e9 spr\u00e1vanie typu 2\u00d7.<\/li>\n<li>V polovici ka\u017ed\u00e9ho z nich sa m\u00f4\u017eu objavi\u0165 dva vrcholy <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/critical-speed\/\">kritick\u00e1 r\u00fdchlos\u0165<\/a>, preto\u017ee dvojn\u00e1sobn\u00e9 p\u00f4sobenie vyvol\u00e1va rezonanciu pri polovi\u010dnej r\u00fdchlosti.<\/li>\n<li>F\u00e1zov\u00e9 zmeny sa l\u00ed\u0161ia od norm\u00e1lnej odozvy na nevyv\u00e1\u017eenos\u0165<\/li>\n<\/ul>\n<h3>Nede\u0161trukt\u00edvna kontrola<\/h3>\n<p>Vibr\u00e1cia ti d\u00e1va znamenie, aby si sa pozrel; <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/non-destructive-testing\/\">nedestrukt\u00edvne sk\u00fa\u0161anie<\/a> potvrdzuje a ur\u010duje ve\u013ekos\u0165 trhliny:<\/p>\n<ul>\n<li><strong>Kontrola magnetick\u00fdmi \u010dasticami (MPI):<\/strong> detekuje povrchov\u00e9 a podpovrchov\u00e9 trhliny.<\/li>\n<li><strong>Penetr\u00e1cia farbivom:<\/strong> vizu\u00e1lna detekcia trhl\u00edn nar\u00fa\u0161aj\u00facich povrch.<\/li>\n<li><strong>Ultrazvukov\u00e1 kontrola (UT):<\/strong> zistuje vn\u00fatorn\u00e9 trhliny a meria ich h\u013abku.<\/li>\n<li><strong>V\u00edriv\u00fd pr\u00fad:<\/strong> bezkontaktn\u00e1 detekcia povrchov\u00fdch trhl\u00edn.<\/li>\n<li><strong>R\u00e1diografia:<\/strong> detekcia vn\u00fatorn\u00fdch trhl\u00edn v kritick\u00fdch komponentoch.<\/li>\n<\/ul>\n<h2>5. Reakcia na mimoriadne situ\u00e1cie<\/h2>\n<h3>V pr\u00edpade zistenia podozrenia na prasklinu<\/h3>\n<ol>\n<li><strong>Zv\u00fd\u0161i\u0165 monitorovanie:<\/strong> od mesa\u010dn\u00e9ho po denn\u00fd, alebo na nepretr\u017eit\u00fd.<\/li>\n<li><strong>Zn\u00ed\u017eenie prev\u00e1dzkovej intenzity vibr\u00e1ci\u00ed:<\/strong> ak je to mo\u017en\u00e9, zn\u00ed\u017ei\u0165 r\u00fdchlos\u0165 alebo za\u0165a\u017eenie.<\/li>\n<li><strong>Napl\u00e1nujte okam\u017eit\u00fa kontrolu:<\/strong> napl\u00e1nova\u0165 kontrolu NDT \u010do najsk\u00f4r.<\/li>\n<li><strong>Pripravte sa na vypnutie:<\/strong> objednajte n\u00e1hradn\u00fd hriade\u013e a napl\u00e1nujte postup opravy.<\/li>\n<li><strong>Pos\u00fadenie riz\u00edk:<\/strong> odhadn\u00fa\u0165 \u010das do mo\u017en\u00e9ho zlyhania na z\u00e1klade pozorovanej r\u00fdchlosti rastu.<\/li>\n<\/ol>\n<h3>Ak sa prasknutie potvrd\u00ed<\/h3>\n<ul>\n<li><strong>Okam\u017eit\u00e9 vypnutie<\/strong> \u2014 pokia\u013e form\u00e1lne pos\u00fadenie riz\u00edk nepreuk\u00e1\u017ee, \u017ee bezpe\u010dn\u00e1 prev\u00e1dzka m\u00f4\u017ee pokra\u010dova\u0165 po\u010das vymedzen\u00e9ho, obmedzen\u00e9ho obdobia.<\/li>\n<li><strong>\u017diadny re\u0161tart<\/strong> a\u017e do v\u00fdmeny alebo opravy hriade\u013ea.<\/li>\n<li><strong>V\u00fdmena hriade\u013ea<\/strong> je najspo\u013eahlivej\u0161ie rie\u0161enie.<\/li>\n<li><strong>Anal\u00fdza pr\u00ed\u010din<\/strong> zisti\u0165, pre\u010do k prasknutiu do\u0161lo, a zabr\u00e1ni\u0165 jeho op\u00e4tovn\u00e9mu v\u00fdskytu.<\/li>\n<\/ul>\n<h2>6. Strategick\u00e9 opatrenia na prevenciu<\/h2>\n<h3>Kon\u0161trukcia<\/h3>\n<ul>\n<li>Odstr\u00e1\u0148te alebo minimalizujte koncentr\u00e1cie nap\u00e4tia.<\/li>\n<li>Pou\u017e\u00edvajte ve\u013ek\u00e9 polomery zaoblenia (praktick\u00fdm pravidlom je, aby R bolo v\u00e4\u010d\u0161ie ako 0,1 \u00d7 priemer).<\/li>\n<li>Ak je to mo\u017en\u00e9, vyhnite sa dr\u00e1\u017ekov\u00fdm spojom; uprednost\u0148ujte tesn\u00e9 ulo\u017eenie.<\/li>\n<li>Ur\u010dite vhodn\u00fd materi\u00e1l a tepeln\u00e9 spracovanie.<\/li>\n<li>Na zv\u00fd\u0161enie \u00fanavovej pevnosti pou\u017eite povrchov\u00e9 \u00fapravy, ako je kuli\u010dkovanie alebo nitrid\u00e1cia.<\/li>\n<\/ul>\n<h3>Prev\u00e1dzka<\/h3>\n<ul>\n<li>Udr\u017eiava\u0165 si dobr\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">kvalita rovnov\u00e1hy<\/a> s cie\u013eom minimalizova\u0165 cyklick\u00e9 ohybov\u00e9 nam\u00e1hanie.<\/li>\n<li>Dodr\u017eiavajte presnos\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/laser-shaft-alignment\/\">zarovnanie hriade\u013ea<\/a> na zn\u00ed\u017eenie ohybov\u00fdch momentov.<\/li>\n<li>Vyhnite sa dlhodobej prev\u00e1dzke pri kritick\u00fdch ot\u00e1\u010dkach.<\/li>\n<li>Predch\u00e1dzajte situ\u00e1ci\u00e1m, ke\u010f d\u00f4jde k prekro\u010deniu r\u00fdchlosti.<\/li>\n<li>Regulujte tepeln\u00e9 nam\u00e1hanie spr\u00e1vnym rozcvi\u010den\u00edm a ochladen\u00edm.<\/li>\n<\/ul>\n<h3>\u00dadr\u017eba<\/h3>\n<ul>\n<li>Pravideln\u00e9 monitorovanie vibr\u00e1ci\u00ed s podrobn\u00fdm sledovan\u00edm v\u00fdvoja v dvoch \u010dasov\u00fdch osiach.<\/li>\n<li>Pravideln\u00e1 kontrola bezinvaz\u00edvnymi met\u00f3dami \u2013 raz ro\u010dne alebo pod\u013ea v\u00fdsledkov pos\u00fadenia riz\u00edk.<\/li>\n<li>Predch\u00e1dzajte kor\u00f3zii, \u010d\u00edm zabr\u00e1nite vzniku trhl\u00edn sp\u00f4soben\u00fdch kor\u00f3ziou.<\/li>\n<li>Udr\u017eujte vibr\u00e1cie na n\u00edzkej \u00farovni, aby ste zn\u00ed\u017eili cyklick\u00e9 nam\u00e1hanie.<\/li>\n<\/ul>\n<p>Za zmienku tu stoj\u00ed najm\u00e4 spr\u00e1vne vyv\u00e1\u017eenie, preto\u017ee ide o jedin\u00e9 prevent\u00edvne opatrenie, ktor\u00e9 m\u00f4\u017ee \u00fadr\u017eb\u00e1rsky t\u00edm vykona\u0165 priamo v ter\u00e9ne. Prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> meria 1\u00d7 amplit\u00fadu a f\u00e1zu vo vlastn\u00fdch lo\u017eisk\u00e1ch a vedeniach stroja a vykon\u00e1va jedno- alebo dvojrovinn\u00fa korekciu s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/trial-weight\/\">sk\u00fa\u0161obn\u00e1 hmotnos\u0165<\/a>, \u010d\u00edm sa riadi <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/residual-unbalance\/\">zvy\u0161kov\u00e1 nevyv\u00e1\u017eenos\u0165<\/a> a\u017e na \u00farove\u0148 stanoven\u00fa normou ISO 21940-11. Ni\u017e\u0161ie 1\u00d7 sily znamenaj\u00fa ni\u017e\u0161ie cyklick\u00e9 ohybov\u00e9 nam\u00e1hanie na ka\u017edom dr\u00e1\u017ekovom spoji a ramene \u2013 \u010do priamo predl\u017euje \u00fanavov\u00fa \u017eivotnos\u0165, ktor\u00fa by inak spotrebovala trhlina. Ten ist\u00fd pr\u00edstroj je neocenite\u013en\u00fd pri zaznamen\u00e1van\u00ed \u00fadajov o amplit\u00fade a f\u00e1ze pri rozbiehan\u00ed a dobehovan\u00ed, ktor\u00e9 odli\u0161uj\u00fa \u201ed\u00fdchaj\u00facu\u201c trhlinu od be\u017enej nevyv\u00e1\u017eenosti.<\/p>\n<p>Prasknut\u00e9 rotory predstavuj\u00fa jeden z najkritickej\u0161\u00edch typov por\u00fach v rota\u010dn\u00fdch strojoch. Kombin\u00e1cia monitorovania vibr\u00e1ci\u00ed \u2013 detekcie charakteristick\u00e9ho n\u00e1rastu signat\u00fary 2\u00d7 \u2013 s pravideln\u00fdmi nede\u0161trukt\u00edvnymi kontrolami poskytuje nevyhnutn\u00fa ochranu, ktor\u00e1 umo\u017e\u0148uje odhali\u0165 poruchu e\u0161te pred katastrof\u00e1lnym zlyhan\u00edm a napl\u00e1nova\u0165 v\u00fdmenu hriade\u013ea tak, aby sa predi\u0161lo rozsiahlym sekund\u00e1rnym \u0161kod\u00e1m a v\u00e1\u017enym bezpe\u010dnostn\u00fdm rizik\u00e1m.<\/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 prasknut\u00fdch rotoroch a \u00fanavov\u00fdch lomoch v rotuj\u00facich hriade\u013eoch, ktor\u00e9 vytv\u00e1raj\u00fa charakteristick\u00e9 2X vibra\u010dn\u00e9 sign\u00e1ly vy\u017eaduj\u00face okam\u017eit\u00fa detekciu a vypnutie, aby sa predi\u0161lo katastrofickej poruche.<\/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\/sk\/wp-json\/wp\/v2\/glossary\/89","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\/89\/revisions"}],"predecessor-version":[{"id":101379,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/89\/revisions\/101379"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=89"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}