{"id":268,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/thermal-bow\/"},"modified":"2026-05-23T23:06:51","modified_gmt":"2026-05-23T23:06:51","slug":"thermal-bow","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/thermal-bow\/","title":{"rendered":"\u010co je tepeln\u00fd obl\u00fak? Oh\u00fdbanie hriade\u013ea v d\u00f4sledku teploty"},"content":{"rendered":"<h1>Pochopenie tepeln\u00e9ho vych\u00fdlenia v rota\u010dn\u00fdch 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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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\/268?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>Tepeln\u00fd priehyb<\/strong> (tie\u017e naz\u00fdvan\u00e9 hor\u00face vych\u00fdlenie, tepeln\u00e9 vych\u00fdlenie alebo teplotom indukovan\u00e9 vych\u00fdlenie hriade\u013ea) je do\u010dasn\u00e9 zakrivenie, ktor\u00e9 sa vyv\u00edja v <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor\/\">rotor<\/a> hriade\u013e, ke\u010f teplota nie je rovnomern\u00e1 po jeho obvode. Ke\u010f jedna strana hriade\u013ea be\u017e\u00ed teplej\u0161ie ako proti\u013eahl\u00e1 strana, teplej\u0161ia strana sa viac roz\u0165ahuje, predl\u017euje sa a vtl\u00e1\u010da hriade\u013e do obl\u00faka, pri\u010dom teplej\u0161ia strana je na vypuklej (vonkaj\u0161ej) strane krivky. Na rozdiel od trval\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shaft-bow\/\">luk hriade\u013ea<\/a> ktor\u00fd nasleduje po mechanickom po\u0161koden\u00ed, je tepeln\u00fd priehyb vratn\u00fd: ust\u00fapi, ke\u010f sa hriade\u013e vr\u00e1ti na rovnomern\u00fa teplotu. Aj tak v\u0161ak m\u00f4\u017ee vyvola\u0165 siln\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> po\u010das zahrievania a chladnutia, a ak je z\u00e1va\u017en\u00fd alebo sa nekone\u010dne opakuje, m\u00f4\u017ee po sebe zanecha\u0165 trval\u00e9 po\u0161kodenie.<\/p>\n<h2>1. Defin\u00edcia: \u010co je tepeln\u00fd priehyb<\/h2>\n<p>Tepeln\u00fd priehyb je najlep\u0161ie ch\u00e1pa\u0165 ako prechodn\u00fa geometrick\u00fa poruchu. Hriade\u013e sa nedeformoval a s rozlo\u017een\u00edm jeho hmotnosti nie je ni\u010d v neporiadku; je jednoducho oh\u00fdban\u00fd, v re\u00e1lnom \u010dase, teplotn\u00fdm gradientom po jeho priemere. Ke\u010f\u017ee ohyb je geometrick\u00fd a ot\u00e1\u010da sa spolu s hriade\u013eom, v\u00fdsledn\u00e9 vibr\u00e1cie sa nach\u00e1dzaj\u00fa na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a> a v spektre vyzeraj\u00fa takmer presne ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a>. Z\u00e1sadn\u00fd rozdiel je v tom, \u017ee tepeln\u00fd priehyb prich\u00e1dza a odch\u00e1dza s teplotou, zatia\u013e \u010do nevyv\u00e1\u017eenos\u0165 je nemenn\u00e1. Pr\u00e1ve t\u00e1to jedin\u00e1 ind\u00edcia v spr\u00e1van\u00ed \u2014 vibr\u00e1cie, ktor\u00e9 sleduj\u00fa tepeln\u00fd stav stroja, a nie jeho ot\u00e1\u010dky \u2014 je ni\u0165, ktor\u00e1 rozplet\u00e1 cel\u00fa diagn\u00f3zu.<\/p>\n<h2>2. Fyzik\u00e1lny mechanizmus<\/h2>\n<h3>2.1 Diferenci\u00e1lna tepeln\u00e1 expanzia<\/h3>\n<p>Fyzika tepeln\u00e9ho obl\u00faka je jednoduch\u00e1:<\/p>\n<ul>\n<li>Kov sa pri zahriat\u00ed roz\u0165ahuje (koeficient tepelnej roz\u0165a\u017enosti je pri oceli typicky 10 \u2013 15 \u00b5m\/m\/\u00b0C).<\/li>\n<li>Ak je teplota po obvode rovnomern\u00e1, roz\u0165ahovanie je symetrick\u00e9 \u2014 hriade\u013e sa jednoducho pred\u013a\u017ei, ale zostane rovn\u00fd.<\/li>\n<li>Ak je jedna strana teplej\u0161ia, t\u00e1to strana sa roz\u0165ahuje viac ako chladn\u00e1 strana<\/li>\n<li>Rozdielne roz\u0165ahovanie vyn\u00fati zakrivenie.<\/li>\n<li>Ve\u013ekos\u0165 priehybu je \u00famern\u00e1 tak teplotn\u00e9mu rozdielu, ako aj d\u013a\u017eke hriade\u013ea.<\/li>\n<\/ul>\n<p>Ten ist\u00fd koeficient, ktor\u00fd riadi tento gradient, poh\u00e1\u0148a aj axi\u00e1lny rast a zmeny l\u00edcovania, ktor\u00e9 in\u017einieri po\u010d\u00edtaj\u00fa inde; z\u00e1kladn\u00e1 aritmetika je toto\u017en\u00e1 s tou v <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/thermal-expansion-calculator\/\">Kalkula\u010dka tepelnej roz\u0165a\u017enosti<\/a>, aplikovan\u00e1 naprie\u010d priemerom, a nie pozd\u013a\u017e d\u013a\u017eky.<\/p>\n<h3>2.2 Typick\u00e9 teplotn\u00e9 rozdiely<\/h3>\n<ul>\n<li>Teplotn\u00fd rozdiel 10 \u2013 20 \u00b0C naprie\u010d priemerom m\u00f4\u017ee vytvori\u0165 merate\u013en\u00fd priehyb.<\/li>\n<li>Pri ve\u013ek\u00fdch turb\u00ednach m\u00f4\u017ee rozdiel 30 \u2013 50 \u00b0C vyvola\u0165 z\u00e1va\u017en\u00e9 vibr\u00e1cie.<\/li>\n<li>\u00da\u010dinok sa kumuluje pozd\u013a\u017e d\u013a\u017eky hriade\u013ea, tak\u017ee dlh\u0161ie hriadele s\u00fa zo svojej podstaty n\u00e1chylnej\u0161ie.<\/li>\n<\/ul>\n<h2>3. Be\u017en\u00e9 pr\u00ed\u010diny tepeln\u00e9ho priehybu<\/h2>\n<h3>3.1 Podmienky pri spusten\u00ed (naj\u010dastej\u0161\u00ed pr\u00edpad)<\/h3>\n<ul>\n<li><strong>Asymetrick\u00e9 vykurovanie:<\/strong> hor\u00faca para, plyn alebo procesn\u00e1 kvapalina sa dost\u00e1va do kontaktu s vrchom hriade\u013ea, zatia\u013e \u010do spodok zost\u00e1va chladnej\u0161\u00ed.<\/li>\n<li><strong>S\u00e1lav\u00e9 ohrievanie:<\/strong> teplo z hor\u00facich telies alebo potrubia ohrieva horn\u00fa \u010das\u0165 hriade\u013ea.<\/li>\n<li><strong>Trenie v lo\u017eisku:<\/strong> jedno lo\u017eisko be\u017eiace teplej\u0161ie ako ostatn\u00e9 ohrieva svoj miestny \u00fasek hriade\u013ea.<\/li>\n<li><strong>Rapid startup:<\/strong> nedostato\u010dn\u00fd \u010das na zahriatie umo\u017en\u00ed, aby sa tepeln\u00e9 gradienty vytvorili sk\u00f4r, ne\u017e sa stihn\u00fa vyrovna\u0165.<\/li>\n<\/ul>\n<h3>3.2 Podmienky zastavenia (Tepeln\u00fd pokles)<\/h3>\n<ul>\n<li><strong>Hot shutdown:<\/strong> hriade\u013e sa prestane ot\u00e1\u010da\u0165, k\u00fdm je e\u0161te hor\u00faci.<\/li>\n<li><strong>Gravita\u010dn\u00fd pokles:<\/strong> teplo st\u00fapa nahor, tak\u017ee horn\u00e1 \u010das\u0165 vodorovn\u00e9ho hriade\u013ea chladne r\u00fdchlej\u0161ie ako spodn\u00e1.<\/li>\n<li><strong>Tepeln\u00e9 vych\u00fdlenie:<\/strong> spodn\u00e1 \u010das\u0165 zost\u00e1va hor\u00faca dlh\u0161ie, tak\u017ee sa hriade\u013e prehne smerom nadol.<\/li>\n<li><strong>Kritick\u00e9 obdobie:<\/strong> prv\u00fdch nieko\u013eko hod\u00edn po odstaven\u00ed.<\/li>\n<\/ul>\n<h3>3.3 Opera\u010dn\u00e9 pr\u00ed\u010diny<\/h3>\n<ul>\n<li><strong>Trenie medzi rotorom a statorom:<\/strong> trenie pri kontakte vytv\u00e1ra intenz\u00edvne miestne zahrievanie \u2014 samozosil\u0148uj\u00faci mechanizmus, ktor\u00fd sa rozober\u00e1 v \u010dasti <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/rotor-rub\/\">trenie rotora<\/a>.<\/li>\n<li><strong>Nerovnomern\u00e9 chladenie:<\/strong> asymetrick\u00fd prietok chladiacich vzduchov alebo sprej vody.<\/li>\n<li><strong>Solar heating:<\/strong> vonkaj\u0161ie zariadenia so slnkom na jednej strane.<\/li>\n<li><strong>Poru\u0161enia procesu:<\/strong> n\u00e1hle zmeny teploty pracovn\u00e9ho m\u00e9dia.<\/li>\n<\/ul>\n<p>Pr\u00edpad obrusovania (rub) si zasl\u00fa\u017ei osobitn\u00fa opatrnos\u0165. \u013dahk\u00e9 obrusovanie zahreje jedno miesto, ktor\u00e9 prehne hriade\u013e, \u010do toto miesto silnej\u0161ie pritla\u010d\u00ed k tesneniu, \u010d\u00edm sa e\u0161te viac zahreje \u2014 nekontrolovan\u00e1 sp\u00e4tn\u00e1 v\u00e4zba (niekedy naz\u00fdvan\u00e1 Newkirkov efekt), ktor\u00e1 m\u00f4\u017ee drobn\u00fd kontakt v priebehu nieko\u013ek\u00fdch min\u00fat premeni\u0165 na siln\u00e9 vibr\u00e1cie.<\/p>\n<h2>4. Pr\u00edznaky a detekcia<\/h2>\n<h3>4.1 Charakteristiky vibr\u00e1ci\u00ed<\/h3>\n<p>Tepeln\u00fd priehyb vyvol\u00e1va charakteristick\u00fd s\u00fabor pr\u00edznakov:<\/p>\n<ul>\n<li><strong>Frekvencia:<\/strong> 1\u00d7 ot\u00e1\u010dkov\u00e1 frekvencia \u2014 klasick\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/synchronous-vibration\/\">synchr\u00f3nne vibr\u00e1cie<\/a>.<\/li>\n<li><strong>Na\u010dasovanie:<\/strong> vysok\u00e9 po\u010das zahrievania, klesaj\u00face s dosiahnut\u00edm tepelnej rovnov\u00e1hy.<\/li>\n<li><strong>Phase changes:<\/strong> . <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase-angle\/\">f\u00e1zov\u00fd uhol<\/a> pos\u00fava sa, ako sa priehyb vyv\u00edja a potom ustupuje.<\/li>\n<li><strong>Vibr\u00e1cie pri pomal\u00fdch ot\u00e1\u010dkach:<\/strong> vysok\u00e1 vibr\u00e1cia aj pri ve\u013emi n\u00edzkych ot\u00e1\u010dkach, na rozdiel od <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a>.<\/li>\n<li><strong>Vzh\u013ead:<\/strong> vyzer\u00e1 ako nevyv\u00e1\u017eenos\u0165, ale je z\u00e1visl\u00e9 od teploty.<\/li>\n<\/ul>\n<h3>4.2 Rozl\u00ed\u0161enie tepeln\u00e9ho priehybu od nevyv\u00e1\u017eenosti<\/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>Tepeln\u00fd luk<\/th>\n<\/tr>\n<tr>\n<td>Frekvencia<\/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>Teplotn\u00e1 citlivos\u0165<\/td>\n<td>Relat\u00edvne stabiln\u00e1<\/td>\n<td>Vysok\u00e1 po\u010das zahrievania\/chladenia<\/td>\n<\/tr>\n<tr>\n<td>Pomal\u00e9 ot\u00e1\u010dky (50\u2013200 RPM)<\/td>\n<td>Ve\u013emi n\u00edzka amplit\u00fada<\/td>\n<td>Vysok\u00e1 amplit\u00fada<\/td>\n<\/tr>\n<tr>\n<td>F\u00e1za vs. teplota<\/td>\n<td>Kon\u0161tantn\u00fd<\/td>\n<td>Zmeny s v\u00fdvojom obl\u00faka<\/td>\n<\/tr>\n<tr>\n<td>Vytrvalos\u0165<\/td>\n<td>Kon\u0161tantn\u00e9 za ka\u017ed\u00fdch okolnost\u00ed<\/td>\n<td>Do\u010dasn\u00e9, zmizn\u00fa pri dosiahnut\u00ed tepelnej rovnov\u00e1hy<\/td>\n<\/tr>\n<tr>\n<td>Reakcia na vyva\u017eovanie<\/td>\n<td>Zn\u00ed\u017een\u00e9 vibr\u00e1cie<\/td>\n<td>Minim\u00e1lne alebo \u017eiadne zlep\u0161enie<\/td>\n<\/tr>\n<\/table>\n<p>Vynesenie amplit\u00fady a f\u00e1zy v z\u00e1vislosti od \u010dasu \u2014 alebo od teploty lo\u017eiska \u2014 premen\u00ed tieto riadky tabu\u013eky na jednozna\u010dn\u00fd obraz: vektor, ktor\u00fd sa ot\u00e1\u010da, ako sa rotor zahrieva, a potom sa ust\u00e1li, predstavuje tepeln\u00e9 prehnutie, zatia\u013e \u010do vektor, ktor\u00fd zost\u00e1va nehybn\u00fd, predstavuje nevyv\u00e1\u017eenos\u0165. A <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/polar-plot\/\">pol\u00e1rny graf<\/a> zaznamenan\u00e9 po\u010das <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/startup-vibration\/\">rozbeh<\/a> zobrazuje t\u00fato migr\u00e1ciu na prv\u00fd poh\u013ead.<\/p>\n<h3>4.3 Diagnostick\u00e9 testy<\/h3>\n<h4>4.3.1 Test vibr\u00e1ci\u00ed pri pomal\u00fdch ot\u00e1\u010dkach<\/h4>\n<ul>\n<li>Ot\u00e1\u010dajte hriade\u013eom pri 5 \u2013 10 % prev\u00e1dzkov\u00fdch ot\u00e1\u010dok.<\/li>\n<li>Meranie vibr\u00e1ci\u00ed a f\u00e1zy <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/run-out\/\">v\u00fdbeh<\/a>.<\/li>\n<li>Vysok\u00e9 vibr\u00e1cie pri pomalom ot\u00e1\u010dan\u00ed nazna\u010duj\u00fa tepeln\u00e9 alebo mechanick\u00e9 prehnutie, nie nevyv\u00e1\u017eenos\u0165, ktorej silov\u00e9 p\u00f4sobenie je pri tak\u00fdchto n\u00edzkych ot\u00e1\u010dkach zanedbate\u013en\u00e9.<\/li>\n<\/ul>\n<h4>4.3.2 Monitorovanie teploty<\/h4>\n<ul>\n<li>Po\u010das sp\u00fa\u0161\u0165ania monitorujte teplotu hriade\u013ea alebo lo\u017e\u00edsk, ide\u00e1lne pomocou vyhraden\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/temperature-sensor\/\">teplotn\u00fd senzor<\/a> v nieko\u013ek\u00fdch bodoch.<\/li>\n<li>Meranie teploty na viacer\u00fdch miestach po obvode lo\u017eiska<\/li>\n<li>Skorelujte zmeny vibr\u00e1ci\u00ed s nameran\u00fdmi teplotn\u00fdmi gradientmi.<\/li>\n<\/ul>\n<h4>4.3.3 Sledovanie trendov vibr\u00e1ci\u00ed pri spusten\u00ed<\/h4>\n<ul>\n<li>Vykreslite amplit\u00fadu vibr\u00e1ci\u00ed v z\u00e1vislosti od \u010dasu po\u010das zahriatiach.<\/li>\n<li>Tepeln\u00e9 prehnutie: spo\u010diatku vysok\u00e9, potom kles\u00e1, ako sa pribli\u017euje rovnov\u00e1ha.<\/li>\n<li>Nevyv\u00e1\u017eenos\u0165: rastie s ot\u00e1\u010dkami a je nez\u00e1visl\u00e1 od teploty.<\/li>\n<\/ul>\n<h2>5. Strategick\u00e9 opatrenia na prevenciu<\/h2>\n<h3>5.1 Opera\u010dn\u00e9 postupy<\/h3>\n<h4>5.1.1 Spr\u00e1vne postupy ohrevu<\/h4>\n<ul>\n<li><strong>Postupn\u00fd n\u00e1rast teploty:<\/strong> nechajte hriade\u013e rovnomerne zahria\u0165.<\/li>\n<li><strong>Pred\u013a\u017een\u00fd \u010das zahrievania:<\/strong> ve\u013ek\u00e9 turb\u00edny m\u00f4\u017eu potrebova\u0165 2 \u2013 4 hodiny.<\/li>\n<li><strong>Monitorovanie teploty:<\/strong> sledujte teplotu lo\u017e\u00edsk a telesa.<\/li>\n<li><strong>Monitorovanie vibr\u00e1ci\u00ed:<\/strong> sledujte vibr\u00e1cie po\u010das zahrievania a odlo\u017ete ak\u00e9ko\u013evek zvy\u0161ovanie ot\u00e1\u010dok, ak s\u00fa vysok\u00e9.<\/li>\n<\/ul>\n<h4>5.1.2 Prev\u00e1dzka ot\u00e1\u010dacieho zariadenia<\/h4>\n<ul>\n<li>Pri ve\u013ek\u00fdch turb\u00ednach po\u010das zahrievania a chladnutia prev\u00e1dzkujte ot\u00e1\u010dacie zariadenie (pomal\u00e9 ot\u00e1\u010danie, pribli\u017ene 3 \u2013 10 ot.\/min).<\/li>\n<li>Nepretr\u017eit\u00e9 ot\u00e1\u010danie zabra\u0148uje tepeln\u00e9mu prehnutiu rovnomern\u00fdm rozlo\u017een\u00edm tepla po obvode.<\/li>\n<li>Pri parn\u00fdch turb\u00ednach nad 50 MW ide o \u0161tandardn\u00fd postup v odvetv\u00ed.<\/li>\n<li>Ot\u00e1\u010dacie zariadenie m\u00f4\u017ee po\u010das chladnutia be\u017ea\u0165 8 \u2013 24 hod\u00edn.<\/li>\n<\/ul>\n<h4>5.1.3 Postupy zastavenia<\/h4>\n<ul>\n<li><strong>Postupn\u00e9 chladnutie:<\/strong> Pred vypnut\u00edm pomaly zni\u017eujte za\u0165a\u017eenie a teplotu<\/li>\n<li><strong>Pred\u013a\u017een\u00e1 prev\u00e1dzka ot\u00e1\u010dacieho zariadenia:<\/strong> udr\u017eujte rotor v ot\u00e1\u010dan\u00ed po\u010das jeho chladnutia.<\/li>\n<li><strong>Vyhnite sa hor\u00facemu zastaveniu:<\/strong> N\u00fadzov\u00e9 zastavenie sp\u00f4sobuje, \u017ee hriade\u013e je hor\u00faci a n\u00e1chyln\u00fd na prehnutie<\/li>\n<\/ul>\n<h3>5.2 Opatrenia pri kon\u0161trukcii<\/h3>\n<ul>\n<li><strong>Tepeln\u00e1 izol\u00e1cia:<\/strong> izolujte teles\u00e1, aby sa udr\u017eala rovnomern\u00e1 teplota.<\/li>\n<li><strong>Ohrievacie pl\u00e1\u0161te:<\/strong> extern\u00e9 ohrieva\u010de na rovnomern\u00e9 predhriatie.<\/li>\n<li><strong>Odvodnenie:<\/strong> zabr\u00e1\u0148te hromadeniu hor\u00faceho kondenz\u00e1tu na spodnej \u010dasti hriade\u013ea.<\/li>\n<li><strong>Vetranie:<\/strong> zabezpe\u010dte symetrick\u00fd pr\u00fad chladiacich vzduchu.<\/li>\n<\/ul>\n<h2>6. D\u00f4sledky tepeln\u00e9ho prehnutia<\/h2>\n<h3>6.1 Bezprostredn\u00e9 \u00fa\u010dinky<\/h3>\n<ul>\n<li><strong>Vysok\u00e9 vibr\u00e1cie:<\/strong> m\u00f4\u017eu po\u010das zahrievania dosiahnu\u0165 5\u201310-n\u00e1sobok be\u017en\u00fdch \u00farovn\u00ed a dramaticky sa zosilnia, ak prehnutie n\u00fati rotor prejs\u0165 cez <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/critical-speed\/\">kritick\u00e1 r\u00fdchlos\u0165<\/a>.<\/li>\n<li><strong>Za\u0165a\u017eenie lo\u017e\u00edsk:<\/strong> asymetrick\u00e9 prehnutie zvy\u0161uje za\u0165a\u017eenie lo\u017e\u00edsk.<\/li>\n<li><strong>Seal rubs:<\/strong> Vych\u00fdlenie hriade\u013ea m\u00f4\u017ee sp\u00f4sobi\u0165 kontakt s tesneniami alebo stacion\u00e1rnymi \u010das\u0165ami<\/li>\n<li><strong>Oneskorenie pri spusten\u00ed:<\/strong> obsluha mus\u00ed pred zvy\u0161ovan\u00edm ot\u00e1\u010dok po\u010dka\u0165, k\u00fdm vibr\u00e1cie neut\u00edchnu.<\/li>\n<\/ul>\n<h3>6.2 Dlhodob\u00e9 po\u0161kodenie<\/h3>\n<ul>\n<li><strong>Opotrebenie lo\u017eiska:<\/strong> opakovan\u00e9 vysok\u00e9 vibr\u00e1cie zr\u00fdch\u013euj\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-wear\/\">opotrebenie lo\u017eiska<\/a>.<\/li>\n<li><strong>Seal damage:<\/strong> opakovan\u00e9 trenia po\u0161kodzuj\u00fa komponenty tesnenia.<\/li>\n<li><strong>\u00danava:<\/strong> cyklick\u00e9 ohybov\u00e9 nap\u00e4tie pri ka\u017edom spusten\u00ed prispieva k <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fatigue\/\">\u00fanava<\/a> po\u010das \u017eivotnosti rotora.<\/li>\n<li><strong>Permanent set:<\/strong> z\u00e1va\u017en\u00e9 alebo opakovan\u00e9 tepeln\u00e9 prehnutie m\u00f4\u017ee nakoniec sp\u00f4sobi\u0165 trval\u00fa plastick\u00fa deform\u00e1ciu \u2014 v tom okamihu sa z vratnej poruchy st\u00e1va trval\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shaft-bow\/\">luk hriade\u013ea<\/a>.<\/li>\n<\/ul>\n<h2>7. N\u00e1prava a zmiernenie<\/h2>\n<h3>7.1 Pre akt\u00edvne tepeln\u00e9 prehnutie<\/h3>\n<ul>\n<li><strong>Allow time:<\/strong> Pred zv\u00fd\u0161en\u00edm r\u00fdchlosti po\u010dkajte na tepeln\u00fa rovnov\u00e1hu<\/li>\n<li><strong>Pomal\u00fd n\u00e1jazd:<\/strong> ot\u00e1\u010dajte pomaly, aby sa teplo tam, kde je to mo\u017en\u00e9, prerozdelilo.<\/li>\n<li><strong>Nepok\u00fa\u0161ajte sa o vyva\u017eovanie:<\/strong> <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/a> nedok\u00e1\u017ee korigova\u0165 tepeln\u00e9 prehnutie a bude ne\u00fa\u010dinn\u00e9.<\/li>\n<li><strong>Rie\u0161te zdroj tepla:<\/strong> identifikujte a odstr\u00e1\u0148te asymetrick\u00fd ohrev.<\/li>\n<\/ul>\n<h3>7.2 Pri tepelnom prehnut\u00ed (po odstaven\u00ed)<\/h3>\n<ul>\n<li><strong>Ot\u00e1\u010dacie zariadenie:<\/strong> udr\u017eujte rotor po\u010das chladnutia v pomalom ot\u00e1\u010dan\u00ed.<\/li>\n<li><strong>Pred\u013a\u017een\u00fd \u010das pret\u00e1\u010dania:<\/strong> m\u00f4\u017ee by\u0165 potrebn\u00fdch 12 \u2013 24 hod\u00edn prev\u00e1dzky ot\u00e1\u010dacieho zariadenia.<\/li>\n<li><strong>Monitorovanie teploty:<\/strong> pokra\u010dujte, k\u00fdm nebude teplota hriade\u013ea rovnomern\u00e1.<\/li>\n<li><strong>Oneskoren\u00fd re\u0161tart:<\/strong> Ak sa vyvinula prehnut\u00e1 \u010das\u0165, pred op\u00e4tovn\u00fdm narovnan\u00edm po\u010dkajte na prirodzen\u00e9 narovnanie.<\/li>\n<\/ul>\n<h2>8. Aplika\u010dn\u00e9 \u0161pecifik\u00e1 pod\u013ea priemyslu<\/h2>\n<h3>8.1 Parn\u00e9 turb\u00edny<\/h3>\n<ul>\n<li>Najn\u00e1chylnej\u0161ie stroje, a to z d\u00f4vodu vysok\u00fdch tepl\u00f4t a rozmern\u00fdch rotorov.<\/li>\n<li>Prepracovan\u00e9 postupy zahrievania a chladnutia s\u00fa be\u017enou praxou.<\/li>\n<li>Ot\u00e1\u010dacie zariadenie je povinn\u00e9 pri jednotk\u00e1ch nad 50 MW.<\/li>\n<li>M\u00f4\u017eu vy\u017eadova\u0165 2 \u2013 4 hodiny zahrievania a 12 \u2013 24 hod\u00edn chladnutia na ot\u00e1\u010dacom zariaden\u00ed.<\/li>\n<\/ul>\n<h3>8.2 Plynov\u00e9 turb\u00edny<\/h3>\n<ul>\n<li>R\u00fdchlej\u0161ia tepeln\u00e1 odozva v\u010faka men\u0161ej hmotnosti rotora.<\/li>\n<li>Tepeln\u00e9 prehnutie pri rozbehu je menej \u010dast\u00e9, no st\u00e1le mo\u017en\u00e9.<\/li>\n<li>Ohrev na strane spa\u013eovania m\u00f4\u017ee vytv\u00e1ra\u0165 obvodov\u00e9 asymetrie.<\/li>\n<li>Cykly zahrievania s\u00fa zvy\u010dajne r\u00fdchlej\u0161ie ne\u017e pri parn\u00fdch turb\u00ednach.<\/li>\n<\/ul>\n<h3>8.3 Ve\u013ek\u00e9 elektromotory a gener\u00e1tory<\/h3>\n<ul>\n<li>Tepeln\u00e9 prehnutie m\u00f4\u017ee vznikn\u00fa\u0165 z tepla vinutia rotora alebo trenia v lo\u017eisk\u00e1ch.<\/li>\n<li>Vonkaj\u0161ie in\u0161tal\u00e1cie s\u00fa vystaven\u00e9 slne\u010dn\u00e9mu ohrevu na jednej strane.<\/li>\n<li>Pred spusten\u00edm m\u00f4\u017ee by\u0165 potrebn\u00e9 ot\u00e1\u010danie alebo ohrev.<\/li>\n<\/ul>\n<h2>9. Monitorovanie a alarmovanie<\/h2>\n<h3>9.1 K\u013e\u00fa\u010dov\u00e9 parametre monitorovania<\/h3>\n<ul>\n<li><strong>Vibr\u00e1cie pri pomal\u00fdch ot\u00e1\u010dkach:<\/strong> merajte pri n\u00edzkej r\u00fdchlosti pred norm\u00e1lnym spusten\u00edm.<\/li>\n<li><strong>Teplotn\u00fd rozdiel lo\u017e\u00edsk:<\/strong> porovn\u00e1vajte teploty hornej a dolnej \u010dasti.<\/li>\n<li><strong>Vibr\u00e1cia versus teplota:<\/strong> vykreslite amplit\u00fadu vo\u010di teplote lo\u017eiska.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">F\u00e1zov\u00fd uhol<\/a>:<\/strong> sledova\u0165 zmeny f\u00e1zy, ktor\u00e9 signalizuj\u00fa vznikaj\u00faci ohyb.<\/li>\n<\/ul>\n<h3>9.2 Krit\u00e9ri\u00e1 alarmu<\/h3>\n<ul>\n<li>Vibr\u00e1cia pri pomalej rot\u00e1cii v\u00e4\u010d\u0161ia ako 2\u00d7 referen\u010dn\u00e1 hodnota sp\u00fa\u0161\u0165a alarm.<\/li>\n<li>Teplotn\u00fd rozdiel vy\u0161\u0161\u00ed ako 15\u201320\u00b0C nazna\u010duje tepeln\u00fd rozregul\u00e1tor.<\/li>\n<li>R\u00fdchle zmeny f\u00e1zy (viac ako 30\u00b0 za 10 min\u00fat) nazna\u010duj\u00fa vznikaj\u00faci ohyb.<\/li>\n<li>Vibr\u00e1cie sa po\u010das zahrievania zvy\u0161uj\u00fa, namiesto toho, aby sa zni\u017eovali<\/li>\n<\/ul>\n<p>Tieto krit\u00e9ri\u00e1 sa prirodzene hodia do \u0161ir\u0161ieho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/condition-monitoring\/\">monitorovanie stavu<\/a> program, v ktorom sa \u00fadaje pri rozbehu a dobehu zaznamen\u00e1vaj\u00fa ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/transient-vibration\/\">prechodn\u00e9 vibr\u00e1cie<\/a> z\u00e1znamy namiesto sn\u00edmok stacion\u00e1rneho stavu.<\/p>\n<h2>10. Pokro\u010dil\u00e9 strat\u00e9gie sp\u00fa\u0161\u0165ania<\/h2>\n<h3>10.1 Riaden\u00e9 zr\u00fdch\u013eovanie<\/h3>\n<ol>\n<li><strong>Po\u010diato\u010dn\u00e1 pomal\u00e1 rot\u00e1cia:<\/strong> overte prijate\u013en\u00e9 vibr\u00e1cie pri 100\u2013200 rpm.<\/li>\n<li><strong>Stup\u0148ovan\u00e9 zr\u00fdchlenie:<\/strong> postupne zvy\u0161ujte ot\u00e1\u010dky na medzi\u013eahl\u00e9 hodnoty (napr\u00edklad 30 %, 50 %, 70 % norm\u00e1lnych ot\u00e1\u010dok) s prest\u00e1vkami na ust\u00e1lenie.<\/li>\n<li><strong>Obdobia tepelnej stabiliz\u00e1cie:<\/strong> udr\u017eujte kon\u0161tantn\u00e9 ot\u00e1\u010dky po\u010das 15\u201330 min\u00fat v ka\u017edej f\u00e1ze.<\/li>\n<li><strong>Overenie vibr\u00e1ci\u00ed:<\/strong> pred pokra\u010dovan\u00edm potvr\u010fte, \u017ee vibr\u00e1cie v ka\u017edej f\u00e1ze klesaj\u00fa.<\/li>\n<li><strong>Monitorovanie teploty:<\/strong> zabezpe\u010dte, aby sa teplotn\u00e9 gradienty po\u010das cel\u00e9ho procesu zmen\u0161ovali.<\/li>\n<\/ol>\n<h3>10.2 Automatizovan\u00e9 syst\u00e9my sp\u00fa\u0161\u0165ania<\/h3>\n<p>Modern\u00e9 riadiace syst\u00e9my dok\u00e1\u017eu automatizova\u0165 spr\u00e1vu tepeln\u00e9ho ohybu:<\/p>\n<ul>\n<li>Programovate\u013en\u00e9 sekvencie zohratovania.<\/li>\n<li>Automatick\u00e9 doby v\u00fddr\u017ee pri prekro\u010den\u00ed limitov vibr\u00e1ci\u00ed alebo teploty<\/li>\n<li>V\u00fdpo\u010det ve\u013ekosti ohybu v re\u00e1lnom \u010dase z vibr\u00e1ci\u00ed a teploty.<\/li>\n<li>Adapt\u00edvne r\u00fdchlostn\u00e9 profily zalo\u017een\u00e9 na nameran\u00fdch podmienkach<\/li>\n<\/ul>\n<h2>11. Vz\u0165ah k in\u00fdm javom<\/h2>\n<h3>11.1 Tepeln\u00e9 priehyby versus trval\u00e9 priehyby<\/h3>\n<ul>\n<li><strong>Tepeln\u00fd luk:<\/strong> do\u010dasn\u00fd, zanik\u00e1 pri tepelnej rovnov\u00e1he.<\/li>\n<li><strong>Trval\u00fd ohyb:<\/strong> plastick\u00e1 deform\u00e1cia, ktor\u00e1 zost\u00e1va aj vtedy, ke\u010f je hriade\u013e studen\u00fd.<\/li>\n<li><strong>Riziko:<\/strong> siln\u00fd, opakovan\u00fd tepeln\u00fd ohyb m\u00f4\u017ee nakoniec sp\u00f4sobi\u0165 trval\u00fa deform\u00e1ciu.<\/li>\n<\/ul>\n<h3>11.2 Tepeln\u00fd ohyb a vyva\u017eovanie<\/h3>\n<ul>\n<li>Pokus o <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyv\u00e1\u017eenie<\/a> vyva\u017eovanie rotora, k\u00fdm je tepelne ohnut\u00fd, je zbyto\u010dn\u00e9.<\/li>\n<li>Korek\u010dn\u00e9 z\u00e1va\u017eia vypo\u010d\u00edtan\u00e9 pre ohnut\u00fd stav bud\u00fa po dosiahnut\u00ed rovnov\u00e1hy nespr\u00e1vne.<\/li>\n<li>Pred vyva\u017eovan\u00edm v\u017edy po\u010dkajte na tepeln\u00fa stabiliz\u00e1ciu.<\/li>\n<li>Tepeln\u00fd priehyb m\u00f4\u017ee tie\u017e zamaskova\u0165 skuto\u010dn\u00fa z\u00e1kladn\u00fa nevyv\u00e1\u017eenos\u0165.<\/li>\n<\/ul>\n<p>Pr\u00e1ve preto mus\u00ed vyva\u017eovanie na mieste po\u010dka\u0165 na ust\u00e1len\u00fd tepeln\u00fd stav. Ke\u010f sa rotor pri ot\u00e1\u010dkach prehreje a beh pri n\u00edzkych ot\u00e1\u010dkach potvrd\u00ed, \u017ee be\u017e\u00ed presne, prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor ako <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> dok\u00e1\u017ee odmera\u0165 amplit\u00fadu 1\u00d7 a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">f\u00e1za<\/a>, vypo\u010d\u00edta\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/influence-coefficient\/\">koeficienty vplyvu<\/a>a overi\u0165 v\u00fdsledn\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/residual-unbalance\/\">zvy\u0161kov\u00e1 nevyv\u00e1\u017eenos\u0165<\/a> proti <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> stupe\u0148 \u2014 pri\u010dom zachyt\u00ed skuto\u010dn\u00fd stav vyv\u00e1\u017eenia za hor\u00faca, ktor\u00fd vyva\u017eovac\u00ed stroj za studena nikdy nevid\u00ed. Pr\u00edpustn\u00fa zvy\u0161kov\u00fa nevyv\u00e1\u017eenos\u0165 pre dan\u00fa \u00falohu mo\u017eno 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>.<\/p>\n<h2>12. Najlep\u0161ie postupy prevencie<\/h2>\n<h3>12.1 Pre nov\u00e9 in\u0161tal\u00e1cie<\/h3>\n<ul>\n<li>Navrhujte symetrick\u00e9 syst\u00e9my vykurovania a chladenia.<\/li>\n<li>Pri zariadeniach nad 100 kW alebo s hriade\u013eom dlh\u0161\u00edm ako 2 metre nain\u0161talujte ot\u00e1\u010dacie zariadenie.<\/li>\n<li>Zabezpe\u010dte dostato\u010dn\u00fd odtok, aby ste zabr\u00e1nili hromadeniu hor\u00facej tekutiny<\/li>\n<li>Izolujte, aby ste minimalizovali s\u00e1lav\u00fd prenos tepla.<\/li>\n<\/ul>\n<h3>12.2 Pre existuj\u00face zariadenia<\/h3>\n<ul>\n<li>Vypracova\u0165 a pr\u00edsne dodr\u017eiava\u0165 p\u00edsomn\u00e9 postupy rozcvi\u010dky<\/li>\n<li>Vy\u0161ko\u013ete obsluhu o rizik\u00e1ch a pr\u00edznakoch tepeln\u00e9ho priehybu.<\/li>\n<li>Nain\u0161talujte monitorovanie teploty na viacer\u00fdch miestach.<\/li>\n<li>Pomocou sledovania trendov vibr\u00e1ci\u00ed po\u010das sp\u00fa\u0161\u0165ania odha\u013ete tepeln\u00e9 probl\u00e9my.<\/li>\n<li>Dokumentujte historick\u00e9 \u00fadaje, aby ste postupy \u010dasom spresnili.<\/li>\n<\/ul>\n<h3>12.3 Postupy \u00fadr\u017eby<\/h3>\n<ul>\n<li>Pred ka\u017ed\u00fdm vypnut\u00edm skontrolujte \u010dinnos\u0165 oto\u010dn\u00e9ho mechanizmu<\/li>\n<li>Skontrolujte kalibr\u00e1ciu sn\u00edma\u010dov teploty lo\u017e\u00edsk.<\/li>\n<li>Skontrolujte odvod\u0148ovacie syst\u00e9my, \u010di nie s\u00fa upchat\u00e9.<\/li>\n<li>Overujte integritu izol\u00e1cie.<\/li>\n<li>N\u00e1jdite a odstr\u00e1\u0148te ak\u00fdko\u013evek zdroj asymetrick\u00e9ho ohrevu.<\/li>\n<\/ul>\n<p>Tepeln\u00fd priehyb, hoci do\u010dasn\u00fd a vratn\u00fd, predstavuje v\u00fdznamn\u00fa prev\u00e1dzkov\u00fa v\u00fdzvu pre ve\u013ek\u00e9 rota\u010dn\u00e9 stroje. Pochopenie jeho pr\u00ed\u010din, rozpoznanie jeho pr\u00edznakov a dodr\u017eiavanie spr\u00e1vnych postupov zahrievania a chladenia s\u00fa nevyhnutn\u00e9 pre spo\u013eahliv\u00fa prev\u00e1dzku parn\u00fdch turb\u00edn, plynov\u00fdch turb\u00edn a \u010fal\u0161\u00edch vysokoteplotn\u00fdch rota\u010dn\u00fdch zariaden\u00ed \u2014 a pre rozl\u00ed\u0161enie, priamo v danom okamihu, medzi rotorom, ktor\u00fd jednoducho potrebuje \u010das na ust\u00e1lenie, a rotorom, ktor\u00fd skuto\u010dne potrebuje vyv\u00e1\u017ei\u0165.<\/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 tepelnom obl\u00faku, do\u010dasnom zakriven\u00ed hriade\u013ea sp\u00f4sobenom nerovnomern\u00fdm ohrevom, ktor\u00e9 po\u010das zahrievania sp\u00f4sobuje vibra\u010dn\u00e9 pr\u00edznaky, be\u017en\u00e9 vo ve\u013ek\u00fdch turb\u00ednach a motoroch.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-268","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/268","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\/268\/revisions"}],"predecessor-version":[{"id":101463,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/268\/revisions\/101463"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}