{"id":310,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/whirl\/"},"modified":"2026-05-23T22:40:29","modified_gmt":"2026-05-23T22:40:29","slug":"whirl","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/whirl\/","title":{"rendered":"\u010co je v\u00edr a bi\u010d v dynamike rotora?"},"content":{"rendered":"<h1>Pochopenie v\u00edrenia a \u0161\u013eahania rotora (Oil Whirl a Oil Whip)<\/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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?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\/310?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>V\u00edr<\/strong> a <strong>bi\u010d<\/strong> \u2014 naj\u010dastej\u0161ie sa vyskytuje ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/oil-whirl\/\">olejov\u00fd v\u00edr<\/a> a olejov\u00fd bi\u010d (oil whip) \u2014 s\u00fa dve s\u00favisiace a mimoriadne nebezpe\u010dn\u00e9 formy samobuden\u00e9ho, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/sub-synchronous\/\">subsynchr\u00f3nny<\/a> <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> ktor\u00e9 sa vyskytuj\u00fa vo vysokoot\u00e1\u010dkov\u00fdch rota\u010dn\u00fdch strojoch be\u017eiacich v klzn\u00fdch (<a href=\"https:\/\/vibromera.eu\/sk\/glossary\/journal-bearing\/\">\u010dasopis<\/a>) lo\u017eisk\u00e1ch. Nie s\u00fa to <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/forced-vibration\/\">vyn\u00faten\u00e9 vibr\u00e1cie<\/a> sp\u00f4soben\u00e9 poruchami, ako s\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nespr\u00e1vne zarovnanie<\/a>; namiesto toho ide o <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor-instability\/\">nestabilita rotora<\/a> pri ktor\u00fdch samotn\u00fd pohyb rotora vytv\u00e1ra pr\u00e1ve tie sily, ktor\u00e9 vibr\u00e1cie udr\u017eiavaj\u00fa a zosil\u0148uj\u00fa. V oboch pr\u00edpadoch hriade\u013e &#8220;v\u00edri&#8221; \u2014 precesuje dopredu po ve\u013ekej obe\u017enej dr\u00e1he v r\u00e1mci lo\u017eiskovej v\u00f4le, pri\u010dom opisuje dr\u00e1hu celkom oddelen\u00fa od vlastnej rot\u00e1cie.<\/p>\n<h2>1. Defin\u00edcia: \u010co je v\u00edrenie (whirl) a bi\u010d (whip)?<\/h2>\n<p>Oplat\u00ed sa oddeli\u0165 dve my\u0161lienky, ktor\u00e9 be\u017en\u00fd pojem &#8220;v\u00edrenie&#8221; zlieva dohromady. <em>Spin<\/em> je rotor ot\u00e1\u010daj\u00faci sa okolo vlastnej geometrickej osi. <em>V\u00edr<\/em> (alebo precesia) je obiehanie tejto osi ako celku po v\u00e4\u010d\u0161ej kru\u017enici vn\u00fatri lo\u017eiska \u2014 predstavte si rozto\u010den\u00fa mincu, ktorej stred z\u00e1rove\u0148 kr\u00fa\u017ei po stole. V\u0161etky rotory trochu v\u00edria; probl\u00e9m nast\u00e1va vtedy, ke\u010f v\u00edriaci pohyb prestane by\u0165 ne\u0161kodnou odozvou na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/residual-unbalance\/\">zvy\u0161kov\u00e1 nevyv\u00e1\u017eenos\u0165<\/a> and becomes <strong>self-excited<\/strong>, pri\u010dom \u010derp\u00e1 svoju energiu z rovnomernej rot\u00e1cie, a nie z nejak\u00e9ho vonkaj\u0161ieho budenia. Olejov\u00fd v\u00edr (oil whirl) je samobuden\u00e1 precesia poh\u00e1\u0148an\u00e1 olejov\u00fdm filmom lo\u017eiska; olejov\u00fd bi\u010d (oil whip) je prudk\u00e1 rezonancia, do ktorej m\u00f4\u017ee prer\u00e1s\u0165. Ke\u010f\u017ee zdrojom energie je samotn\u00e1 rot\u00e1cia, tieto nestability nemo\u017eno odstr\u00e1ni\u0165 vyv\u00e1\u017een\u00edm \u2014 \u010do je z\u00e1sadn\u00fd rozdiel oproti synchr\u00f3nnym probl\u00e9mom.<\/p>\n<h2>2. Mechanizmus: Ako k tomu doch\u00e1dza?<\/h2>\n<p>V klznom lo\u017eisku s olejov\u00fdm filmom nie je rotuj\u00faci hriade\u013e podopret\u00fd kontaktom kov na kov, ale vysokotlakov\u00fdm olejov\u00fdm klinom. Hriade\u013e nesed\u00ed v strede lo\u017eiska; vy\u0161plh\u00e1 sa na jednu stranu, vych\u00fdlen\u00fd za\u0165a\u017een\u00edm, ktor\u00e9 nesie. Ke\u010f povrch \u010dapu un\u00e1\u0161a olej po prstencovej medzere, mazivo cirkuluje <strong>priemernou r\u00fdchlos\u0165ou o nie\u010do ni\u017e\u0161ou ne\u017e polovica obvodovej r\u00fdchlosti hriade\u013ea&#8217;a<\/strong> \u2014 tekutina dot\u00fdkaj\u00faca sa hriade\u013ea sa pohybuje r\u00fdchlos\u0165ou hriade\u013ea, tekutina pri nehybnej stene lo\u017eiska je takmer v pokoji a priemer pre cel\u00fd objem sa ust\u00e1li tesne pod 0,5\u00d7.<\/p>\n<p>Olejov\u00fd v\u00edr nast\u00e1va, ke\u010f tento cirkuluj\u00faci film za\u010dne &#8220;tla\u010di\u0165&#8221; \u013eahko za\u0165a\u017een\u00fd hriade\u013e pred sebou a un\u00e1\u0161a ho do ve\u013ekej doprednej obe\u017enej dr\u00e1hy okolo lo\u017eiska. Frekvencia v\u00edru je dan\u00e1 priemernou r\u00fdchlos\u0165ou olejov\u00e9ho filmu, ktor\u00e1 sa zvy\u010dajne pohybuje medzi <strong>42 % a 48 % prev\u00e1dzkov\u00fdch ot\u00e1\u010dok (0,42\u00d7 a\u017e 0,48\u00d7)<\/strong>. Tento charakteristick\u00fd subsynchr\u00f3nny prejav \u2014 bl\u00edzky, no nikdy nie presne polovi\u010dn\u00fd oproti <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a> \u2014 je odtla\u010dok prsta, ktor\u00fd analytici h\u013eadaj\u00fa. (Hodnota &#8220;o nie\u010do ni\u017e\u0161ia ne\u017e polovica&#8221; je aj d\u00f4vodom, pre\u010do sa olejov\u00fd v\u00edr niekedy vo\u013ene naz\u00fdva &#8220;v\u00edr s polovi\u010dn\u00fdmi ot\u00e1\u010dkami&#8221;, hoci skuto\u010dn\u00e1 hodnota nikdy celkom nedosiahne 0,5\u00d7.)<\/p>\n<h2>3. Olejov\u00fd v\u00edr: Predzves\u0165<\/h2>\n<p>Olejov\u00fd v\u00edr je zvy\u010dajne po\u010diato\u010dn\u00fdm \u0161t\u00e1diom nestability \u2014 varovanie, e\u0161te nie katastrofa. Jeho charakteristiky s\u00fa:<\/p>\n<ul>\n<li><strong>Frekvencia:<\/strong> objavuje sa ako v\u00fdrazn\u00fd vrchol v <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fft\/\">R\u00fdchla premena funkcie (FFT)<\/a> <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">spektrum<\/a> medzi 0,42\u00d7 a 0,48\u00d7 ot\u00e1\u010dok za min\u00fatu (RPM).<\/li>\n<li><strong>Behaviour:<\/strong> frekvencia precesie <em>zvy\u0161uje sa<\/em> so zr\u00fdch\u013eovan\u00edm stroja, pri\u010dom v\u017edy sleduje tento ~45 % podiel prev\u00e1dzkov\u00fdch ot\u00e1\u010dok. Pri rozbehu st\u00fapa ako subsynchr\u00f3nny tie\u0148 pod \u010diarou 1\u00d7.<\/li>\n<li><strong>Z\u00e1va\u017enos\u0165:<\/strong> m\u00f4\u017ee sp\u00f4sobova\u0165 siln\u00e9, no niekedy stabiln\u00e9 vibr\u00e1cie, a m\u00f4\u017ee sa objavi\u0165 alebo zmizn\u00fa\u0165 pri zmene za\u0165a\u017eenia, ot\u00e1\u010dok alebo teploty oleja. Ne\u017eiaduce, ur\u010dite \u2014 no nie v\u017edy okam\u017eite de\u0161trukt\u00edvne.<\/li>\n<li><strong>Citlivos\u0165:<\/strong> obvykl\u00fdmi vinn\u00edkmi s\u00fa \u013eahko za\u0165a\u017een\u00e9, predimenzovan\u00e9 alebo opotrebovan\u00e9 lo\u017eisk\u00e1, preto\u017ee n\u00edzke \u0161pecifick\u00e9 za\u0165a\u017eenie umo\u017e\u0148uje, aby olejov\u00fd klin ovl\u00e1dol polohu hriade\u013ea.<\/li>\n<\/ul>\n<h2>4. Olejov\u00e9 bi\u010dovanie (oil whip): Kritick\u00e9 nebezpe\u010denstvo<\/h2>\n<p>Olejov\u00e9 bi\u010dovanie je ove\u013ea z\u00e1va\u017enej\u0161\u00ed stav, ktor\u00fd priamo vyrast\u00e1 z olejov\u00e9ho v\u00edru (oil whirl). Nast\u00e1va, ke\u010f stroj zr\u00fdchli do bodu, v ktorom frekvencia olejov\u00e9ho v\u00edru (pribli\u017ene pri 45 % prev\u00e1dzkov\u00fdch ot\u00e1\u010dok) st\u00fapne tak, \u017ee dosiahne <strong>prv\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e1 frekvencia<\/a><\/strong> \u2014 its first <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/critical-speed\/\">kritick\u00e1 r\u00fdchlos\u0165<\/a>. V tom okamihu sa v\u00edr &#8220;zachyt\u00ed&#8221; na vlastn\u00fa frekvenciu a vybud\u00ed naplno rozvinut\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a>. Jeho charakteristiky s\u00fa:<\/p>\n<ul>\n<li><strong>Frekvencia:<\/strong> vibr\u00e1cie sa zachytia na prvej vlastnej frekvencii rotora a <em>\u010falej sa nezvy\u0161uje<\/em>, aj ke\u010f stroj na\u010falej zr\u00fdch\u013euje \u2014 tak\u017ee sub-synchr\u00f3nny vrchol &#8220;zost\u00e1va ploch\u00fd&#8221;, zatia\u013e \u010do vrchol 1\u00d7 pokra\u010duje \u010falej.<\/li>\n<li><strong>Amplit\u00fada:<\/strong> vibr\u00e1cie ve\u013emi narastaj\u00fa a st\u00e1vaj\u00fa sa prudk\u00fdmi a nestabiln\u00fdmi.<\/li>\n<li><strong>Behaviour:<\/strong> olejov\u00e9 bi\u010dovanie je mimoriadne de\u0161trukt\u00edvne a <em>nie<\/em> sa neodstr\u00e1ni \u010fal\u0161\u00edm zr\u00fdch\u013eovan\u00edm. Dok\u00e1\u017ee zni\u010di\u0165 lo\u017eisk\u00e1, tesnenia aj samotn\u00fd rotor vo ve\u013emi kr\u00e1tkom \u010dase, niekedy prostredn\u00edctvom z\u00e1va\u017en\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor-rub\/\">trenie rotora<\/a> ke\u010f orbita vypln\u00ed v\u00f4\u013eu.<\/li>\n<\/ul>\n<p>Ot\u00e1\u010dky, pri ktor\u00fdch bi\u010dovanie nast\u00e1va, s\u00fa zvy\u010dajne tesne nad <strong>dvojn\u00e1sobkom prvej kritickej r\u00fdchlosti rotora<\/strong> \u2014 bodom, kde \u010diara v\u00edru ~0,5\u00d7 pret\u00edna prv\u00fa vlastn\u00fa frekvenciu. Stroj zachv\u00e1ten\u00fd olejov\u00fdm bi\u010dovan\u00edm vy\u017eaduje okam\u017eit\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shutdown\/\">vypnutie<\/a>; pr\u00e1ve toto je scen\u00e1r, na ktor\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/machinery-protection\/\">ochrana strojov<\/a> s\u00fa syst\u00e9my navrhnut\u00e9, aby pri \u0148om vypli stroj.<\/p>\n<h2>5. Ako rozpozna\u0165 v\u00edr a bi\u010dovanie<\/h2>\n<ul>\n<li><strong>Anal\u00fdza spektra:<\/strong> h\u013eadajte siln\u00fd sub-synchr\u00f3nny vrchol. Po\u010das rozbehu, ak frekvencia tohto vrcholu st\u00fapa s ot\u00e1\u010dkami, ide o v\u00edr; ak &#8220;zostane ploch\u00e1&#8221; na pevnej hodnote, zatia\u013e \u010do vrchol 1\u00d7 \u010falej st\u00fapa, pre\u0161lo to do bi\u010dovania.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/orbit\/\">Orbit plot<\/a>:<\/strong> orbita hriade\u013ea je ve\u013ek\u00e1 kru\u017enica alebo elipsa s doprednou precesiou, \u010dasto s nasuperponovanou zlo\u017ekou 1\u00d7, \u010do vytv\u00e1ra charakteristick\u00fd vzor &#8220;slu\u010dky cez slu\u010dku&#8221;.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/waterfall-plot\/\">Vodop\u00e1dov\u00fd graf<\/a>:<\/strong> vodop\u00e1dov\u00fd graf (alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/cascade-plot\/\">kask\u00e1da<\/a>) z rozbehu poskytuje \u010do najzrete\u013enej\u0161\u00ed obraz, preto\u017ee ukazuje frekvenciu v\u00edrenia st\u00fapaj\u00facu s ot\u00e1\u010dkami, a\u017e k\u00fdm nepretne prv\u00fa vlastn\u00fa frekvenciu a nezablokuje sa do bi\u010dovania. Mapovanie t\u00fdchto priese\u010dn\u00edkov je presne to, \u010do dok\u00e1\u017ee <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/campbell-diagram\/\">Campbellov diagram<\/a> je ur\u010den\u00fd pre.<\/li>\n<\/ul>\n<p>Ke\u010f\u017ee v\u00edrenie a bi\u010dovanie sa nach\u00e1dzaj\u00fa pod \u00farov\u0148ou 1\u00d7, analyz\u00e1tor mus\u00ed dosahova\u0165 v\u00fdrazne pod prev\u00e1dzkov\u00e9 ot\u00e1\u010dky a presne rozli\u0161ova\u0165 f\u00e1zu. Prenosn\u00fd dvojkan\u00e1lov\u00fd pr\u00edstroj, ako napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> zachyt\u00e1va synchronizovan\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/amplitude\/\">amplit\u00fada<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">f\u00e1za<\/a> zlo\u017eky pri prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach po\u010das rozbehu alebo dobehu, \u010do in\u017einierovi umo\u017e\u0148uje priamo na mieste potvrdi\u0165, \u017ee tvrdo\u0161ijn\u00fd n\u00edzkofrekven\u010dn\u00fd vrchol je skuto\u010dnou nestabilitou lo\u017eiska, a nie be\u017enou nevyv\u00e1\u017eenos\u0165ou \u2014 a rovnako u\u017eito\u010dne vyl\u00fa\u010di\u0165 probl\u00e9m s vyva\u017eovan\u00edm e\u0161te predt\u00fdm, ne\u017e sa pust\u00ed do rie\u0161enia, ktor\u00e9 aj tak nikdy nemohlo zabra\u0165.<\/p>\n<h2>6. Pr\u00ed\u010diny a rie\u0161enia<\/h2>\n<p>Tieto nestability s\u00fa podmienen\u00e9 kon\u0161trukciou lo\u017eiska, geometriou rotora, viskozitou oleja, teplotou a za\u0165a\u017een\u00edm \u2014 zlo\u017eit\u00fdm s\u00faborom interakci\u00ed form\u00e1lne zachyten\u00fdm v <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor-dynamics\/\">dynamika rotora<\/a>. Nie s\u00fa sp\u00f4soben\u00e9 nevyv\u00e1\u017eenos\u0165ou a nedaj\u00fa sa odstr\u00e1ni\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/a>; n\u00e1pravou s\u00fa zmeny na \u00farovni kon\u0161trukcie:<\/p>\n<ul>\n<li>Prejdite na stabilnej\u0161iu geometriu lo\u017eiska, napr\u00edklad na klzn\u00e9 lo\u017eisko s nakl\u00e1pac\u00edmi segmentmi.<\/li>\n<li>Zme\u0148te viskozitu oleja alebo prev\u00e1dzkov\u00fa teplotu, aby ste ovplyvnili spr\u00e1vanie olejov\u00e9ho filmu.<\/li>\n<li>Zv\u00fd\u0161te \u0161pecifick\u00e9 za\u0165a\u017eenie lo\u017eiska, aby hriade\u013e pevne dosadol a olejov\u00fd klin u\u017e nemohol dominova\u0165.<\/li>\n<li>Pridajte dr\u00e1\u017eky, axi\u00e1lne hr\u00e1dze alebo profily typu lemon-bore, ktor\u00e9 rozbij\u00fa obvodov\u00fd tok oleja nap\u00e1jaj\u00faci v\u00edrenie.<\/li>\n<\/ul>\n<p>\u00dazko s\u00favisiaca nestabilita, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/steam-whirl\/\">parn\u00fd v\u00edr<\/a>, vznik\u00e1 v turb\u00ednach sk\u00f4r v d\u00f4sledku aerodynamick\u00fdch s\u00edl ne\u017e s\u00edl olejov\u00e9ho filmu, no vytv\u00e1ra podobn\u00fd samobuden\u00fd subsynchr\u00f3nny obraz \u2014 pripomenutie, \u017ee &#8220;v\u00edrenie&#8221; je rodina javov spojen\u00fdch jednou vlastnos\u0165ou: rotor dod\u00e1va energiu do svojej vlastnej obe\u017enej dr\u00e1hy.<\/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>Sprievodca olejov\u00fdm v\u00edrom a olejov\u00fdm bi\u010dom, dvoma nebezpe\u010dn\u00fdmi subsynchr\u00f3nnymi nestabilitami vo vysokor\u00fdchlostn\u00fdch strojoch s fluidn\u00fdmi lo\u017eiskami. Zistite ich pr\u00ed\u010diny, vlastnosti a pre\u010do s\u00fa tak\u00e9 de\u0161trukt\u00edvne.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-310","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/310","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\/310\/revisions"}],"predecessor-version":[{"id":101321,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/310\/revisions\/101321"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=310"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}