{"id":232,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/shaft-bow\/"},"modified":"2026-05-23T23:06:20","modified_gmt":"2026-05-23T23:06:20","slug":"shaft-bow","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/shaft-bow\/","title":{"rendered":"\u010co je to prehnutie hriade\u013ea? Pr\u00ed\u010diny, detekcia a oprava"},"content":{"rendered":"<h1>Pochopenie prehnutia hriade\u013ea v rotuj\u00facich strojoch<\/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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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\/232?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>Prehnutie hriade\u013ea<\/strong> (tie\u017e naz\u00fdvan\u00e9 oh\u00fdbanie hriade\u013ea, prehnutie rotora alebo jednoducho \"prehnutie\") je stav, pri ktorom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor\/\">rotor<\/a> Hriade\u013e m\u00e1 trval\u00e9 alebo polotrval\u00e9 zakrivenie, ktor\u00e9 sp\u00f4sobuje, \u017ee jeho geometrick\u00e1 os sa odchy\u013euje od priamky medzi \u010dapmi lo\u017eiska. Na rozdiel od do\u010dasn\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/run-out\/\">v\u00fdbeh<\/a> sp\u00f4soben\u00e9 uvo\u013enenou s\u00fa\u010diastkou alebo excentrick\u00fdm ulo\u017een\u00edm, obl\u00fak hriade\u013ea predstavuje skuto\u010dn\u00fa deform\u00e1ciu samotn\u00e9ho materi\u00e1lu hriade\u013ea. Vznik\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> pr\u00edznaky, ktor\u00e9 sa povrchne podobaj\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> - siln\u00fd, synchr\u00f3nny pohyb raz za revol\u00faciu - napriek tomu sa ned\u00e1 vylie\u010di\u0165 be\u017en\u00fdmi <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/a>. V\u010dasn\u00e9 rozpoznanie tohto rozdielu odde\u013euje r\u00fdchlu opravu od dn\u00ed bezv\u00fdsledn\u00e9ho vyva\u017eovania hriade\u013ea, ktor\u00fd nikdy nebude reagova\u0165.<\/p>\n<h2>1. Defin\u00edcia: \u010co je to hriade\u013eov\u00fd luk<\/h2>\n<p>Dokonale zdrav\u00fd rotor m\u00e1 hmotnostn\u00fa os a geometrick\u00fa os, ktor\u00e9 s\u00fa priame a takmer zhodn\u00e9. Obl\u00fak hriade\u013ea tento obraz nar\u00fa\u0161a t\u00fdm, \u017ee geometrick\u00fa os oh\u00fdba do obl\u00faka. Ohyb m\u00f4\u017ee by\u0165 mal\u00fd - na vysokor\u00fdchlostnom stroji sta\u010d\u00ed nieko\u013eko stot\u00edn milimetra - ale ke\u010f\u017ee ohnut\u00e1 os u\u017e neprech\u00e1dza stredmi lo\u017e\u00edsk, rotor je n\u00faten\u00fd kr\u00fa\u017ei\u0165 okolo \u010diary, okolo ktorej sa prirodzene nechce ot\u00e1\u010da\u0165.<\/p>\n<p>Stoj\u00ed za to oddeli\u0165 luk od jeho bl\u00edzkych pr\u00edbuzn\u00fdch. A <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bent-shaft\/\">ohnut\u00fd hriade\u013e<\/a> je v podstate rovnak\u00e1 porucha, ako je op\u00edsan\u00e1 z mechanickej str\u00e1nky, zatia\u013e \u010do <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/eccentricity\/\">v\u00fdstrednos\u0165<\/a> opisuje rotor, ktor\u00e9ho hmotn\u00fd stred je posunut\u00fd bez toho, aby bol samotn\u00fd hriade\u013e zakriven\u00fd. Prav\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/run-out\/\">v\u00fdbeh<\/a> m\u00f4\u017ee by\u0165 mechanick\u00e1 (skuto\u010dn\u00e1 geometrick\u00e1 odch\u00fdlka) alebo elektrick\u00e1 (falo\u0161n\u00fd \u00fadaj z <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/proximity-probe\/\">sonda bl\u00edzkosti<\/a> videnie materi\u00e1lu alebo magnetick\u00fdch odch\u00fdlok). Obl\u00fak hriade\u013ea je konkr\u00e9tne geometrickou deform\u00e1ciou tela hriade\u013ea, a preto ho \u017eiadna pridan\u00e1 hmotnos\u0165 inde nem\u00f4\u017ee skuto\u010dne \u201cvyv\u00e1\u017ei\u0165\u201d.<\/p>\n<h2>2. Typy hriade\u013eov\u00fdch obl\u00fakov<\/h2>\n<p>Predklon hriade\u013ea je najlep\u0161ie rozdeli\u0165 pod\u013ea jeho pr\u00ed\u010diny a pod\u013ea toho, ako dlho pretrv\u00e1va, preto\u017ee ka\u017ed\u00fd typ si vy\u017eaduje in\u00fa reakciu.<\/p>\n<h3>2.1 Trval\u00fd mechanick\u00fd luk<\/h3>\n<p>Ide o plastick\u00fa (trval\u00fa) deform\u00e1ciu materi\u00e1lu hriade\u013ea - kov pod\u013eahol a nepru\u017e\u00ed sp\u00e4\u0165. Medzi be\u017en\u00e9 pr\u00ed\u010diny patria:<\/p>\n<ul>\n<li>Mechanick\u00e9 pre\u0165a\u017eenie alebo n\u00e1raz<\/li>\n<li>Nespr\u00e1vne zdv\u00edhanie alebo manipul\u00e1cia po\u010das \u00fadr\u017eby<\/li>\n<li>P\u00e1d rotora<\/li>\n<li>Nadmern\u00e9 ohybov\u00e9 nam\u00e1hanie po\u010das prev\u00e1dzky<\/li>\n<li>V\u00fdrobn\u00e9 chyby alebo nespr\u00e1vne tepeln\u00e9 spracovanie<\/li>\n<\/ul>\n<p>Po poddajnosti hriade\u013ea zost\u00e1va obl\u00fak v pokoji aj vtedy, ke\u010f je hriade\u013e v pokoji a v\u0161etky vonkaj\u0161ie za\u0165a\u017eenia s\u00fa odstr\u00e1nen\u00e9. Toto je znak, ktor\u00fd odde\u013euje trval\u00fd luk od tepeln\u00e9ho druhu: je pr\u00edtomn\u00fd za studena a je pr\u00edtomn\u00fd na lavici.<\/p>\n<h3>2.2 Tepeln\u00fd obl\u00fak (prechodn\u00fd)<\/h3>\n<p>Tie\u017e naz\u00fdvan\u00fd <strong>tepeln\u00fd priehyb<\/strong> alebo <strong>tepeln\u00e9 prehnutie<\/strong>, ide o do\u010dasn\u00fd stav sp\u00f4soben\u00fd nerovnomern\u00fdm zahrievan\u00edm po obvode hriade\u013ea. Hor\u00facej\u0161ia strana sa rozp\u00edna viac ako chladnej\u0161ia strana, \u010do n\u00fati hriade\u013e k zakriveniu s hor\u00facou stranou na vypuklej (vonkaj\u0161ej) strane. Typick\u00fdmi sp\u00fa\u0161\u0165a\u010dmi s\u00fa:<\/p>\n<ul>\n<li>Asymetrick\u00e9 zdroje tepla (hor\u00faca procesn\u00e1 kvapalina na jednej strane, chladiaci vzduch na druhej strane)<\/li>\n<li>Trecie ohrev lo\u017eiska na jednej strane hriade\u013ea<\/li>\n<li>Trenie rotora sp\u00f4sobuj\u00face lok\u00e1lne zahrievanie<\/li>\n<li>Sol\u00e1rne vykurovanie na vonkaj\u0161\u00edch zariadeniach<\/li>\n<li>Nespr\u00e1vne postupy zahrievania ve\u013ek\u00fdch turb\u00edn<\/li>\n<\/ul>\n<p>Tepeln\u00fd obl\u00fak zvy\u010dajne zmizne, ke\u010f sa hriade\u013e rovnomerne ochlad\u00ed alebo dosiahne tepeln\u00fa rovnov\u00e1hu. \u00dapln\u00fd mechanizmus, prevencia a postupy pri ot\u00e1\u010dan\u00ed s\u00fa podrobne op\u00edsan\u00e9 v \u010dasti <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/thermal-bow\/\">tepeln\u00fd priehyb<\/a>. D\u00f4le\u017eit\u00fdm upozornen\u00edm je, \u017ee opakovan\u00e9 cykly tepeln\u00e9ho vyklenutia m\u00f4\u017eu nakoniec sp\u00f4sobi\u0165, \u017ee hriade\u013e prekro\u010d\u00ed svoj bod klzu a zanech\u00e1 trval\u00e9 po\u0161kodenie - tak\u017ee \u201cdo\u010dasn\u00fd\u201d probl\u00e9m, ktor\u00fd sa dostato\u010dne dlho ignoruje, sa stane trval\u00fdm.<\/p>\n<h3>2.3 Zvy\u0161kov\u00e9 nap\u00e4tie Luk<\/h3>\n<p>Vn\u00fatorn\u00e9 zvy\u0161kov\u00e9 nap\u00e4tia zanechan\u00e9 zv\u00e1ran\u00edm, tepeln\u00fdm spracovan\u00edm alebo obr\u00e1ban\u00edm m\u00f4\u017eu \u010dasom sp\u00f4sobi\u0165 pomal\u00e9 oh\u00fdbanie hriade\u013ea, najm\u00e4 ke\u010f prev\u00e1dzkov\u00e9 teploty alebo prev\u00e1dzkov\u00e9 za\u0165a\u017eenie umo\u017enia uvo\u013enenie t\u00fdchto zablokovan\u00fdch nap\u00e4t\u00ed. Tento druh ohybu sa m\u00f4\u017ee objavi\u0165 mesiace alebo roky po uveden\u00ed do prev\u00e1dzky, preto sa pri kritick\u00fdch rotoroch oplat\u00ed vykon\u00e1va\u0165 pravideln\u00e9 kontroly priamosti.<\/p>\n<h2>3. Pr\u00ed\u010diny priehybu hriade\u013ea<\/h2>\n<p>Pochopenie z\u00e1kladnej pr\u00ed\u010diny zabra\u0148uje opakovaniu a poukazuje na spr\u00e1vnu n\u00e1pravu. Pr\u00ed\u010diny sa delia do troch skup\u00edn.<\/p>\n<h3>3.1 Mechanick\u00e9 pr\u00ed\u010diny<\/h3>\n<ul>\n<li><strong>Pre\u0165a\u017eenie:<\/strong> prev\u00e1dzka pri za\u0165a\u017een\u00ed presahuj\u00facom kon\u0161truk\u010dn\u00e9 limity.<\/li>\n<li><strong>Nespr\u00e1vne skladovanie:<\/strong> ukladanie hriade\u013eov vo vodorovnej polohe bez riadnej podpery, \u010do \u010dasom umo\u017e\u0148uje ich plaziv\u00e9 preh\u00fdbanie - najm\u00e4 pri dlh\u00fdch, \u0161t\u00edhlych rotoroch, ktor\u00e9 s\u00fa ponechan\u00e9 cel\u00e9 mesiace na dvoch koncov\u00fdch podper\u00e1ch.<\/li>\n<li><strong>Nespr\u00e1vne zaobch\u00e1dzanie:<\/strong> Zdv\u00edhanie za hriade\u013e namiesto ur\u010den\u00fdch zdv\u00edhac\u00edch bodov<\/li>\n<li><strong>Nehoda alebo n\u00e1raz:<\/strong> p\u00e1d, n\u00e1raz alebo po\u0161kodenie cudz\u00edm predmetom.<\/li>\n<li><strong>Z\u00e1chyt lo\u017eiska:<\/strong> Zaseknut\u00e9 lo\u017eisko m\u00f4\u017ee sp\u00f4sobi\u0165 ohnutie hriade\u013ea pod vplyvom hnacieho kr\u00fatiaceho momentu<\/li>\n<\/ul>\n<h3>3.2 Tepeln\u00e9 pr\u00ed\u010diny<\/h3>\n<ul>\n<li><strong>Nerovnomern\u00e9 vykurovanie:<\/strong> Nerovnomern\u00e9 rozlo\u017eenie teploty po obvode hriade\u013ea<\/li>\n<li><strong>R\u00fdchle zmeny teploty:<\/strong> tepeln\u00fd \u0161ok po\u010das sp\u00fa\u0161\u0165ania alebo vyp\u00ednania.<\/li>\n<li><strong>Hor\u00face miesta:<\/strong> Lokalizovan\u00e9 zahrievanie z trenia, odierania alebo procesn\u00fdch podmienok<\/li>\n<li><strong>Nedostato\u010dn\u00e1 rozcvi\u010dka:<\/strong> Pr\u00edli\u0161 r\u00fdchle \u0161tartovanie studen\u00fdch turb\u00edn alebo ve\u013ek\u00fdch strojov<\/li>\n<li><strong>Postupy pri vyp\u00ednan\u00ed:<\/strong> zastavenie ot\u00e1\u010dania hor\u00faceho hriade\u013ea pred jeho ochladen\u00edm (tepeln\u00fd priehyb).<\/li>\n<\/ul>\n<h3>3.3 Materi\u00e1l a pr\u00ed\u010diny v\u00fdroby<\/h3>\n<ul>\n<li><strong>Zl\u00e1 kvalita materi\u00e1lu:<\/strong> inkl\u00fazie, dutiny alebo nehomogenity materi\u00e1lu.<\/li>\n<li><strong>Nespr\u00e1vne tepeln\u00e9 spracovanie:<\/strong> zvy\u0161kov\u00e9 nap\u00e4tia z kalenia alebo pop\u00fa\u0161\u0165ania.<\/li>\n<li><strong>Deform\u00e1cia pri zv\u00e1ran\u00ed:<\/strong> asymetrick\u00e9 zv\u00e1ranie, ktor\u00e9 vytv\u00e1ra zvy\u0161kov\u00e9 nap\u00e4tia.<\/li>\n<li><strong>Nam\u00e1hanie pri obr\u00e1ban\u00ed:<\/strong> nam\u00e1hanie vyvolan\u00e9 po\u010das v\u00fdroby, ktor\u00e9 sa uvo\u013en\u00ed po\u010das prev\u00e1dzky.<\/li>\n<\/ul>\n<h2>4. Ako obl\u00fak hriade\u013ea sp\u00f4sobuje vibr\u00e1cie<\/h2>\n<p>Skriven\u00fd hriade\u013e generuje vibr\u00e1cie prostredn\u00edctvom dvoch r\u00f4znych, ale spolupracuj\u00facich mechanizmov.<\/p>\n<h3>4.1 Geometrick\u00e1 nerovnov\u00e1ha<\/h3>\n<p>Ke\u010f sa zakriven\u00fd hriade\u013e ot\u00e1\u010da, jeho zakriven\u00e1 os vymet\u00e1 ku\u017ee\u013e alebo in\u00fa nekruhov\u00fa dr\u00e1hu. Aj ke\u010f je rozlo\u017eenie hmotnosti rotora dokonale rovnomern\u00e9, geometria s obl\u00fakom sa spr\u00e1va ako excentrick\u00e1 rotuj\u00faca hmota: vymr\u0161\u0165uje \u0165a\u017eisko z osi ot\u00e1\u010dania a vytv\u00e1ra <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/centrifugal-force\/\">odstrediv\u00e1 sila<\/a> ktor\u00e1 st\u00fapa so \u0161tvorcom r\u00fdchlosti a vytv\u00e1ra siln\u00e9 1\u00d7 vibr\u00e1cie pri <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a>. Pr\u00e1ve preto sa priehyb maskuje ako nevyv\u00e1\u017eenos\u0165 v spektre.<\/p>\n<h3>4.2 Momentov\u00e9 za\u0165a\u017eenie lo\u017e\u00edsk<\/h3>\n<p>Zakrivenie tie\u017e sp\u00f4sobuje statick\u00fd a rota\u010dn\u00fd ohybov\u00fd moment, ktor\u00fd sa pren\u00e1\u0161a priamo do lo\u017e\u00edsk, \u010do sp\u00f4sobuje kol\u00edsav\u00e9 za\u0165a\u017eenie lo\u017e\u00edsk a vibr\u00e1cie sedadla. Pri v\u00e4\u010d\u0161\u00edch rotoroch je toto momentov\u00e9 za\u0165a\u017eenie pr\u00ed\u010dinou zr\u00fdchlen\u00e9ho opotrebovania lo\u017e\u00edsk a v extr\u00e9mnych pr\u00edpadoch aj kontaktu medzi rotorom a stacion\u00e1rnymi tesneniami. Silne prehnut\u00fd rotor, ktor\u00e9ho priehyb sa nach\u00e1dza v bl\u00edzkosti <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/critical-speed\/\">kritick\u00e1 r\u00fdchlos\u0165<\/a> m\u00f4\u017ee sp\u00f4sobi\u0165 zosilnen\u00fa, niekedy a\u017e alarmuj\u00facu reakciu pri rozbehu.<\/p>\n<h2>5. Zis\u0165ovanie obl\u00faka hriade\u013ea<\/h2>\n<p>Preto\u017ee priehyb a skuto\u010dn\u00e1 nevyv\u00e1\u017eenos\u0165 hmotnosti maj\u00fa rovnak\u00fa 1\u00d7 signat\u00faru, ich rozl\u00ed\u0161enie je podstatou diagn\u00f3zy. Najsilnej\u0161\u00edm rozli\u0161ovac\u00edm znakom je spr\u00e1vanie pri ve\u013emi n\u00edzkych ot\u00e1\u010dkach a pri zmene teploty.<\/p>\n<h3>5.1 Porovnanie sympt\u00f3mov: Priehyb verzus nevyv\u00e1\u017eenos\u0165<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Charakteristick\u00fd<\/th>\n<th>Nerovnov\u00e1ha<\/th>\n<th>Prehnutie hriade\u013ea<\/th>\n<\/tr>\n<tr>\n<td>Frekvencia vibr\u00e1ci\u00ed<\/td>\n<td>1\u00d7 r\u00fdchlos\u0165 chodu<\/td>\n<td>1\u00d7 r\u00fdchlos\u0165 chodu<\/td>\n<\/tr>\n<tr>\n<td>F\u00e1zov\u00fd vz\u0165ah<\/td>\n<td>Konzistentn\u00e9, rovnak\u00e9 za ka\u017ed\u00fdch okolnost\u00ed<\/td>\n<td>M\u00f4\u017ee sa zmeni\u0165 po\u010das zahrievania<\/td>\n<\/tr>\n<tr>\n<td>Vibr\u00e1cie pri pomalom ot\u00e1\u010dan\u00ed<\/td>\n<td>S\u00fa\u010dasn\u00fd (\u00famern\u00fd r\u00fdchlosti\u00b2)<\/td>\n<td>Pr\u00edtomn\u00fd a \u010dasto v\u00fdznamn\u00fd aj pri ve\u013emi n\u00edzkej r\u00fdchlosti<\/td>\n<\/tr>\n<tr>\n<td>Reakcia na vyva\u017eovanie<\/td>\n<td>Vibr\u00e1cie zn\u00ed\u017een\u00e9 spr\u00e1vnym vyv\u00e1\u017een\u00edm<\/td>\n<td>Minim\u00e1lne alebo \u017eiadne zlep\u0161enie; m\u00f4\u017ee sa zhor\u0161i\u0165<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 citlivos\u0165<\/td>\n<td>Relat\u00edvne stabiln\u00fd vo\u010di teplote<\/td>\n<td>V\u00fdrazn\u00e9 zmeny po\u010das zahrievania\/ochladzovania<\/td>\n<\/tr>\n<tr>\n<td>Meranie h\u00e1dzania<\/td>\n<td>N\u00edzka hodnota, ke\u010f je rotor v pokoji<\/td>\n<td>Vysok\u00e1 h\u00e1dzavos\u0165 aj v pokoji (trval\u00e9 prehnutie)<\/td>\n<\/tr>\n<\/table>\n<p>Najv\u00fdpovednej\u0161\u00edm riadkom je riadok pomal\u00e9ho valcovania. Sila nevyv\u00e1\u017eenosti sa s klesaj\u00facou r\u00fdchlos\u0165ou r\u00faca k nule, preto\u017ee sa zv\u00e4\u010d\u0161uje so \u0161tvorcom r\u00fdchlosti ot\u00e1\u010dania; st\u00e1ly obl\u00fak, ktor\u00fd je pevn\u00fdm geometrick\u00fdm posunom, st\u00e1le vykazuje zna\u010dn\u00e9 vybiehanie a 1\u00d7 pohyb pri plazen\u00ed. To je sk\u00fa\u0161ka, ktor\u00e1 rozb\u00edja nerozhodnos\u0165.<\/p>\n<h3>5.2 Diagnostick\u00e9 testy<\/h3>\n<h4>5.2.1 Meranie pomal\u00e9ho kot\u00fa\u013eania<\/h4>\n<p>Ot\u00e1\u010dajte hriade\u013eom ve\u013emi pomaly - zvy\u010dajne 5-10% prev\u00e1dzkov\u00fdch ot\u00e1\u010dok - a zmerajte <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/run-out\/\">v\u00fdbeh<\/a> s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/proximity-probe\/\">sonda bl\u00edzkosti<\/a> alebo \u010d\u00edseln\u00edk. Vysok\u00fd \u00fabeh pri pomalom valen\u00ed nazna\u010duje sk\u00f4r priehyb hriade\u013ea alebo mechanick\u00fd \u00fabeh ako nevyv\u00e1\u017eenos\u0165, ktorej odstrediv\u00e1 sila je pri takej n\u00edzkej r\u00fdchlosti zanedbate\u013en\u00e1. Zaznamen\u00e1va sa aj vektor pomal\u00e9ho valenia, tak\u017ee sa m\u00f4\u017ee od\u010d\u00edta\u0165 od \u00fadajov o vibr\u00e1ci\u00e1ch za chodu, \u010d\u00edm sa izoluje skuto\u010dn\u00e1 dynamick\u00e1 odozva od statickej zlo\u017eky priehybu.<\/p>\n<h4>5.2.2 F\u00e1zov\u00fd posun pri vyp\u00ednan\u00ed<\/h4>\n<p>Monitorovanie vibr\u00e1ci\u00ed <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase-angle\/\">f\u00e1zov\u00fd uhol<\/a> ke\u010f sa stroj dobieha zotrva\u010dnos\u0165ou. Skuto\u010dn\u00e1 nevyv\u00e1\u017eenos\u0165 m\u00e1 kon\u0161tantn\u00fa hodnotu <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">f\u00e1za<\/a> bez oh\u013eadu na r\u00fdchlos\u0165 (mimo rezonancie). Tepelne vych\u00fdlen\u00fd hriade\u013e m\u00e1 tendenciu vykazova\u0165 f\u00e1zu, ktor\u00e1 sa pri ochladzovan\u00ed rotora pos\u00fava, a vynesen\u00edm amplit\u00fady a f\u00e1zy na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bode-plot\/\">Bodeho graf<\/a> alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/polar-plot\/\">pol\u00e1rny graf<\/a> je tento rozdiel ove\u013ea \u013eah\u0161ie \u010ditate\u013en\u00fd ako hrub\u00e9 \u010d\u00edsla.<\/p>\n<h4>5.2.3 Sk\u00fa\u0161ka tepeln\u00fdm obl\u00fakom<\/h4>\n<p>Pri podozren\u00ed na tepeln\u00fd obl\u00fak sledujte vibr\u00e1cie po\u010das sp\u00fa\u0161\u0165ania a zahrievania. Tepeln\u00fd obl\u00fak sa zvy\u010dajne prejavuje vibr\u00e1ciami <em>zvy\u0161ovanie<\/em> pri zahrievan\u00ed stroja, potom sa stabilizuje alebo kles\u00e1 po dosiahnut\u00ed tepelnej rovnov\u00e1hy - zrkadlov\u00fd obraz poruchy, ktor\u00e1 rastie v\u00fdlu\u010dne s r\u00fdchlos\u0165ou.<\/p>\n<h4>5.2.4 Kontrola chodu mimo stroja<\/h4>\n<p>Odstr\u00e1\u0148te rotor, podoprite ho na klinov\u00fdch blokoch alebo medzi stredmi s\u00fastruhu a pomaly ho ot\u00e1\u010dajte, pri\u010dom merajte radi\u00e1lne h\u00e1dzanie pomocou \u010d\u00edseln\u00edkov\u00e9ho ukazovate\u013ea. V\u00fdrazn\u00e9 h\u00e1dzanie - zvy\u010dajne v\u00e4\u010d\u0161ie ako 0,001 palca (25 \u00b5m) - potvrdzuje trval\u00e9 vybo\u010denie. T\u00e1to kontrola na sk\u00fa\u0161obnej stolici je definit\u00edvnym d\u00f4kazom, preto\u017ee hriade\u013e, ktor\u00fd je na stroji rovn\u00fd, ale na V-blokoch ohnut\u00fd, vypoved\u00e1 o \u00faplne inom pr\u00edbehu ako hriade\u013e, ktor\u00fd je ohnut\u00fd v oboch pr\u00edpadoch.<\/p>\n<h4>5.2.5 Vizu\u00e1lna kontrola<\/h4>\n<p>Pri ve\u013ek\u00fdch hriade\u013eoch je potrebn\u00e9 zamera\u0165 sa po d\u013a\u017eke hriade\u013ea alebo pou\u017ei\u0165 optick\u00e9 met\u00f3dy, ako napr. <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/laser-shaft-alignment\/\">laserov\u00e9 zarovnanie<\/a> zariadenie m\u00f4\u017ee odhali\u0165 zjavn\u00fd obl\u00fak, ktor\u00fd by samotn\u00e9 oko mohlo prehliadnu\u0165.<\/p>\n<h2>6. Met\u00f3dy korekcie<\/h2>\n<p>Spr\u00e1vna korekcia z\u00e1vis\u00ed od intenzity vibr\u00e1ci\u00ed a typu priehybu. Neexistuje jedin\u00e1 oprava, ktor\u00e1 by bola vhodn\u00e1 pre ka\u017ed\u00fd pr\u00edpad.<\/p>\n<h3>6.1 Pre trval\u00fd mechanick\u00fd luk<\/h3>\n<h4>6.1.1 Rovnanie hriade\u013ea<\/h4>\n<p>V pr\u00edpade mierneho a\u017e stredn\u00e9ho priehybu - zvy\u010dajne pod 0,005 palca (125 \u00b5m) - mo\u017eno niekedy hriade\u013e vyrovna\u0165 za studena alebo za tepla pomocou hydraulick\u00fdch lisov. Hriade\u013e sa podoprie a opatrne prehnut\u00fd sa plasticky deformuje sp\u00e4\u0165 smerom k rovine, \u010do je proces, ktor\u00fd si vy\u017eaduje \u0161pecializovan\u00e9 vybavenie, kvalifikovan\u00fdch technikov a trpezlivos\u0165, preto\u017ee nadmern\u00e1 korekcia jednoducho vytv\u00e1ra priehyb v opa\u010dnom smere.<\/p>\n<h4>6.1.2 Zmiernenie tepeln\u00e9ho nam\u00e1hania<\/h4>\n<p>Tepeln\u00e9 spracovanie hriade\u013ea na uvo\u013enenie zvy\u0161kov\u00fdch nap\u00e4t\u00ed m\u00f4\u017ee zn\u00ed\u017ei\u0165 alebo odstr\u00e1ni\u0165 obl\u00fak, ktor\u00fd vznikol v d\u00f4sledku zablokovan\u00e9ho v\u00fdrobn\u00e9ho alebo zv\u00e1racieho nap\u00e4tia. To si vy\u017eaduje spr\u00e1vne vybavenie pece a pr\u00edsnu kontrolu procesu, aby sa zabr\u00e1nilo vzniku nov\u00fdch deform\u00e1ci\u00ed.<\/p>\n<h4>6.1.3 V\u00fdmena hriade\u013ea<\/h4>\n<p>V pr\u00edpade v\u00e1\u017enych por\u00fach alebo kritick\u00fdch prev\u00e1dzok je v\u00fdmena \u010dasto najspo\u013eahlivej\u0161\u00edm rie\u0161en\u00edm. N\u00e1klady na nov\u00fd hriade\u013e treba zv\u00e1\u017ei\u0165 v porovnan\u00ed s prestojmi a re\u00e1lnym rizikom, \u017ee pokus o narovnanie zlyh\u00e1 alebo sa \u010dasom uvo\u013en\u00ed sp\u00e4\u0165.<\/p>\n<h4>6.1.4 \"Vyva\u017eovanie okolo priehybu\"<\/h4>\n<p>V niektor\u00fdch pr\u00edpadoch - najm\u00e4 pri ve\u013ek\u00fdch turb\u00ednach - <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/correction-weight\/\">korek\u010dn\u00e9 z\u00e1va\u017eia<\/a> mo\u017eno vypo\u010d\u00edta\u0165 a prisp\u00f4sobi\u0165 tak, aby p\u00f4sobil proti <em>\u00fa\u010dinok<\/em> na prove pri r\u00fdchlosti jazdy. T\u00fdm sa hriade\u013e nevyrovn\u00e1, iba sa zru\u0161\u00ed sila 1\u00d7, ktor\u00fa luk vytv\u00e1ra. Je to obmedzen\u00e9, spravidla do\u010dasn\u00e9 opatrenie a zanech\u00e1va rotor, ktor\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/residual-unbalance\/\">zvy\u0161kov\u00e1 nevyv\u00e1\u017eenos\u0165<\/a> vyzer\u00e1 prijate\u013ene len pri jednej konkr\u00e9tnej r\u00fdchlosti a teplote.<\/p>\n<h3>6.2 Pre tepeln\u00fd luk<\/h3>\n<h4>6.2.1 Zmeny prev\u00e1dzkov\u00fdch postupov<\/h4>\n<ul>\n<li>Vykon\u00e1vajte pomal\u00e9, postupn\u00e9 zahrievanie.<\/li>\n<li>Po\u010das odstavenia udr\u017eujte nepretr\u017eit\u00fa prev\u00e1dzku ot\u00e1\u010dacieho prevodov\u00e9ho mechanizmu, aby ste predi\u0161li tepeln\u00e9mu poklesu.<\/li>\n<li>Starostlivej\u0161ie regulujte pr\u00edvod pary alebo teploty procesn\u00fdch kvapal\u00edn<\/li>\n<li>Zabezpe\u010dte symetrick\u00e9 vykurovanie a chladenie.<\/li>\n<\/ul>\n<h4>6.2.2 \u00dapravy dizajnu<\/h4>\n<ul>\n<li>Pridajte izol\u00e1ciu na zn\u00ed\u017eenie tepeln\u00fdch sp\u00e1dov.<\/li>\n<li>Nain\u0161talujte vyhrievacie pl\u00e1\u0161te na rovnomern\u00e9 zahrievanie.<\/li>\n<li>Vylep\u0161ite chladiaci syst\u00e9m, aby sa vyrovnalo rozlo\u017eenie teploty.<\/li>\n<\/ul>\n<h4>6.2.3 Prev\u00e1dzka ot\u00e1\u010dacieho \u00fastrojenstva<\/h4>\n<p>Pri ve\u013ek\u00fdch turb\u00ednach sa po\u010das zahrievania a chladnutia ot\u00e1\u010da hriade\u013e (pomal\u00fd rota\u010dn\u00fd pohon), aby sa teplo rovnomerne rozdelilo po obvode a zabr\u00e1nilo sa tak gradientu, ktor\u00fd by inak rotor oh\u00fdbal.<\/p>\n<h2>7. Overenie rotora v ter\u00e9ne<\/h2>\n<p>Po narovnan\u00ed, v\u00fdmene alebo pos\u00faden\u00ed hriade\u013ea ako dostato\u010dne rovn\u00e9ho na prev\u00e1dzku je potrebn\u00e9 rotor e\u0161te dynamicky skontrolova\u0165 v jeho vlastn\u00fdch lo\u017eisk\u00e1ch - samotn\u00e9 h\u00e1dzanie na stolici nedokazuje, \u017ee bude pri ot\u00e1\u010dkach pracova\u0165 hladko. Prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor, ako napr. <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> je to praktick\u00e9 na mieste: zachyt\u00e1va vektor pomal\u00e9ho ot\u00e1\u010dania, potom meria 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">amplit\u00fada a f\u00e1za<\/a> v celom rozsahu ot\u00e1\u010dok, aby mohol technik oddeli\u0165 zost\u00e1vaj\u00facu zlo\u017eku ohybu hriade\u013ea od skuto\u010dnej nevyv\u00e1\u017eenosti hmotnosti. A\u017e ke\u010f sa pri pomalom ot\u00e1\u010dan\u00ed (slow-roll) potvrd\u00ed, \u017ee hriade\u013e je prijate\u013ene rovn\u00fd, m\u00e1 zmysel prist\u00fapi\u0165 k sk\u00fa\u0161obnej korekcii. <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyv\u00e1\u017eenie<\/a> - v tom istom okamihu ten ist\u00fd pr\u00edstroj vypo\u010d\u00edta <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/influence-coefficient\/\">koeficienty vplyvu<\/a> a over\u00ed kone\u010dn\u00fd v\u00fdsledok na z\u00e1klade <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> stupe\u0148 rovnov\u00e1hy. T\u00fato pr\u00edpustn\u00fa zostatkov\u00fa hodnotu m\u00f4\u017eete vopred vypo\u010d\u00edta\u0165 pomocou <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/residual-unbalance-iso1940\/\">Kalkula\u010dka zostatkovej nevyv\u00e1\u017eenosti (ISO 21940-11)<\/a> predt\u00fdm, ako za\u010dnete.<\/p>\n<h2>8. Strat\u00e9gie prevencie<\/h2>\n<p>Predch\u00e1dzanie ohybu hriade\u013ea je ove\u013ea lacnej\u0161ie a r\u00fdchlej\u0161ie ako jeho n\u00e1prava.<\/p>\n<h3>8.1 N\u00e1vrh a v\u00fdroba<\/h3>\n<ul>\n<li>Pou\u017e\u00edvajte spr\u00e1vne postupy tepeln\u00e9ho spracovania, aby ste minimalizovali zvy\u0161kov\u00e9 nap\u00e4tia.<\/li>\n<li>Navrhnite dostato\u010dn\u00fa tuhos\u0165 hriade\u013ea pre dan\u00fa aplik\u00e1ciu<\/li>\n<li>Ur\u010dite materi\u00e1ly vhodn\u00e9 pre tepeln\u00e9 prostredie.<\/li>\n<\/ul>\n<h3>8.2 In\u0161tal\u00e1cia a \u00fadr\u017eba<\/h3>\n<ul>\n<li>Rotory v\u017edy zdv\u00edhajte pomocou ur\u010den\u00fdch zdv\u00edhac\u00edch bodov, nikdy nie za hriade\u013e<\/li>\n<li>N\u00e1hradn\u00e9 rotory skladujte s vhodnou oporou, aby nedo\u0161lo k ich prehnutiu - ide\u00e1lne pravidelne ot\u00e1\u010dan\u00e9 alebo podopret\u00e9 v bl\u00edzkosti \u010dapov.<\/li>\n<li>Pri manipul\u00e1cii sa vyhnite mechanick\u00fdm n\u00e1razom.<\/li>\n<li>Pravidelne kontrolujte priamos\u0165 hriade\u013ea (ka\u017edoro\u010dne alebo pod\u013ea pl\u00e1nu v\u00fdrobcu).<\/li>\n<\/ul>\n<h3>8.3 Prev\u00e1dzka<\/h3>\n<ul>\n<li>Dodr\u017eiavajte postupy zahrievania a vyp\u00ednania uveden\u00e9 v\u00fdrobcom.<\/li>\n<li>Vyhnite sa r\u00fdchlym zmen\u00e1m teploty.<\/li>\n<li>Po\u010das sp\u00fa\u0161\u0165ania sledujte pr\u00edznaky tepeln\u00e9ho ohybu.<\/li>\n<li>Okam\u017eite presk\u00famajte ak\u00fako\u013evek nevysvetlite\u013en\u00fa zmenu f\u00e1zy vibr\u00e1ci\u00ed.<\/li>\n<\/ul>\n<h2>9. Vplyv na postupy vyrovn\u00e1vania<\/h2>\n<p>Pokusy o vyv\u00e1\u017eenie sklonen\u00e9ho hriade\u013ea s\u00fa vo v\u0161eobecnosti zbyto\u010dn\u00e9 a m\u00f4\u017eu by\u0165 akt\u00edvne kontraprodukt\u00edvne:<\/p>\n<ul>\n<li><strong>Ne\u00fa\u010dinn\u00e9 opravy:<\/strong> hmotnosti vypo\u010d\u00edtan\u00e9 pre nevyv\u00e1\u017eenos\u0165 hmotnosti nem\u00f4\u017eu korigova\u0165 geometrick\u00fd ohyb.<\/li>\n<li><strong>Maskovanie probl\u00e9mu:<\/strong> \u010ciasto\u010dne &#8220;\u00faspe\u0161n\u00e9&#8221; vyv\u00e1\u017eenie ohnut\u00e9ho hriade\u013ea m\u00f4\u017ee na kr\u00e1tky \u010das zn\u00ed\u017ei\u0165 vibr\u00e1cie, pri\u010dom skuto\u010dn\u00e1 chyba \u2014 a jej za\u0165a\u017eenie lo\u017eiska \u2014 zostane nedotknut\u00e1.<\/li>\n<li><strong>Straten\u00fd \u010das:<\/strong> opakovan\u00e9 vyrovn\u00e1vacie behy, ktor\u00e9 sa odmietaj\u00fa zbl\u00ed\u017ei\u0165, s\u00fa samy o sebe varovn\u00fdm sign\u00e1lom pre ohyb hriade\u013ea.<\/li>\n<li><strong>Potenci\u00e1lne po\u0161kodenie:<\/strong> nakladanie ve\u013ek\u00fdch korek\u010dn\u00fdch z\u00e1va\u017e\u00ed na ohnut\u00fd hriade\u013e zvy\u0161uje nap\u00e4tie a m\u00f4\u017ee sp\u00f4sobi\u0165 \u010fal\u0161ie po\u0161kodenie alebo dokonca \u00fanavov\u00e9 praskanie.<\/li>\n<\/ul>\n<p><strong>Osved\u010den\u00fd postup:<\/strong> pred za\u010dat\u00edm vyva\u017eovania v\u017edy skontrolujte, \u010di hriade\u013e nie je ohnut\u00fd, najm\u00e4 ak sa s rotorom v minulosti ne\u0161etrne zaobch\u00e1dzalo, vyskytli sa tepeln\u00e9 udalosti alebo vibr\u00e1cie, ktor\u00e9 nikto nedok\u00e1zal vysvetli\u0165. Dvojmin\u00fatov\u00e1 kontrola pomal\u00e9ho ot\u00e1\u010dania (slow-roll) m\u00f4\u017ee u\u0161etri\u0165 prem\u00e1rnen\u00e9 popoludnie a po\u0161koden\u00fd hriade\u013e.<\/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 prehnut\u00ed hriade\u013ea, \u010do je trval\u00e9 alebo do\u010dasn\u00e9 zakrivenie hriade\u013ea rotora, ktor\u00e9 sp\u00f4sobuje vibra\u010dn\u00e9 pr\u00edznaky podobn\u00e9 nevyv\u00e1\u017eenosti, ale vy\u017eaduje si odli\u0161n\u00e9 diagnostick\u00e9 a korek\u010dn\u00e9 pr\u00edstupy.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-232","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/232","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\/232\/revisions"}],"predecessor-version":[{"id":101458,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/232\/revisions\/101458"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=232"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}