{"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\/cs\/glossary\/thermal-bow\/","title":{"rendered":"Co je tepeln\u00e9 oblou\u010den\u00ed? Teplotn\u011b indukovan\u00e9 oh\u00fdb\u00e1n\u00ed h\u0159\u00eddele"},"content":{"rendered":"<h1>Pochopen\u00ed tepeln\u00e9ho pr\u016fhybu v rota\u010dn\u00edch stroj\u00edch<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1kladna.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan Insize-60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00ed p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/glossary\/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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Tepeln\u00e9 prohnut\u00ed h\u0159\u00eddele<\/strong> (tak\u00e9 naz\u00fdvan\u00fd hork\u00fd pr\u016fhyb, tepeln\u00fd ohyb nebo teplotn\u011b indukovan\u00fd pr\u016fhyb h\u0159\u00eddele) je do\u010dasn\u00e9 zak\u0159iven\u00ed, kter\u00e9 se vyv\u00edj\u00ed v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a> h\u0159\u00eddel, pokud teplota nen\u00ed po cel\u00e9m jej\u00edm obvodu stejn\u00e1. Pokud je jedna strana h\u0159\u00eddele teplej\u0161\u00ed ne\u017e druh\u00e1, teplej\u0161\u00ed strana se v\u00edce roztahuje, prodlu\u017euje se a vytla\u010duje h\u0159\u00eddel do oblouku, p\u0159i\u010dem\u017e teplej\u0161\u00ed strana se nach\u00e1z\u00ed na konvexn\u00ed (vn\u011bj\u0161\u00ed) stran\u011b oblouku. Na rozd\u00edl od trval\u00e9ho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-bow\/\">pr\u016fhyb h\u0159\u00eddele<\/a> Tepeln\u00e9 prohnut\u00ed, k n\u011bmu\u017e doch\u00e1z\u00ed v d\u016fsledku mechanick\u00e9ho po\u0161kozen\u00ed, je vratn\u00e9: postupn\u011b miz\u00ed, jakmile se h\u0159\u00eddel vr\u00e1t\u00ed k rovnom\u011brn\u00e9 teplot\u011b. I tak v\u0161ak m\u016f\u017ee zp\u016fsobit zna\u010dn\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> b\u011bhem zah\u0159\u00edv\u00e1n\u00ed a chladnut\u00ed, a pokud je to z\u00e1va\u017en\u00e9 nebo se to neust\u00e1le opakuje, m\u016f\u017ee to zanechat trval\u00e9 n\u00e1sledky.<\/p>\n<h2>1. Definice: Co je to tepeln\u00fd oblouk<\/h2>\n<p>Tepeln\u00e9 prohnut\u00ed lze nejl\u00e9pe ch\u00e1pat jako do\u010dasnou geometrickou poruchu. H\u0159\u00eddel se nezdeformovala a rozlo\u017een\u00ed jej\u00ed hmotnosti je v po\u0159\u00e1dku; je pouze v re\u00e1ln\u00e9m \u010dase oh\u00fdb\u00e1na teplotn\u00edm gradientem nap\u0159\u00ed\u010d sv\u00fdm pr\u016fm\u011brem. Jeliko\u017e se jedn\u00e1 o geometrick\u00e9 prohnut\u00ed, kter\u00e9 se ot\u00e1\u010d\u00ed spolu s h\u0159\u00eddel\u00ed, v\u00fdsledn\u00e9 kmit\u00e1n\u00ed se nach\u00e1z\u00ed na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a> a na \u0161k\u00e1le vypad\u00e1 t\u00e9m\u011b\u0159 p\u0159esn\u011b jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>. Z\u00e1sadn\u00ed rozd\u00edl spo\u010d\u00edv\u00e1 v tom, \u017ee teplotn\u00ed pr\u016fhyb se objevuje a miz\u00ed v z\u00e1vislosti na teplot\u011b, zat\u00edmco nevyv\u00e1\u017eenost je st\u00e1l\u00e1. Pr\u00e1v\u011b tento jedin\u00fd indiciov\u00fd rys \u2013 vibrace, kter\u00e9 sleduj\u00ed teplotn\u00ed stav stroje, nikoli jeho ot\u00e1\u010dky \u2013 je kl\u00ed\u010dem k odhalen\u00ed cel\u00e9 diagn\u00f3zy.<\/p>\n<h2>2. Fyzik\u00e1ln\u00ed mechanismus<\/h2>\n<h3>2.1 Rozd\u00edl tepeln\u00e9 rozta\u017enosti<\/h3>\n<p>Fyzika tepeln\u00e9ho pr\u016fhybu h\u0159\u00eddele je jednoduch\u00e1:<\/p>\n<ul>\n<li>Kov se p\u0159i zah\u0159\u00e1t\u00ed roztahuje (koeficient tepeln\u00e9 rozta\u017enosti je u oceli obvykle 10\u201315 \u00b5m\/m\/\u00b0C).<\/li>\n<li>Je-li teplota po cel\u00e9m obvodu stejn\u00e1, doch\u00e1z\u00ed k symetrick\u00e9mu rozta\u017een\u00ed \u2013 h\u0159\u00eddel se pouze prodlou\u017e\u00ed, ale z\u016fstane rovn\u00e1.<\/li>\n<li>Pokud je jedna strana teplej\u0161\u00ed, roztahuje se v\u00edce ne\u017e chladn\u011bj\u0161\u00ed strana.<\/li>\n<li>Diferenci\u00e1ln\u00ed rozta\u017enost zp\u016fsobuje zak\u0159iven\u00ed.<\/li>\n<li>Velikost prohnut\u00ed je \u00fam\u011brn\u00e1 jak teplotn\u00edmu rozd\u00edlu, tak d\u00e9lce h\u0159\u00eddele.<\/li>\n<\/ul>\n<p>Stejn\u00fd koeficient, kter\u00fd ur\u010duje tento sklon, ovliv\u0148uje tak\u00e9 axi\u00e1ln\u00ed r\u016fst a zm\u011bny tvaru, kter\u00e9 in\u017een\u00fd\u0159i vypo\u010d\u00edt\u00e1vaj\u00ed jinde; z\u00e1kladn\u00ed v\u00fdpo\u010detn\u00ed postup je toto\u017en\u00fd s t\u00edm v <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/thermal-expansion-calculator\/\">Kalkula\u010dka tepeln\u00e9 rozta\u017enosti<\/a>, aplikovan\u00fd po cel\u00e9 \u0161\u00ed\u0159ce, nikoli pod\u00e9ln\u011b.<\/p>\n<h3>2.2 Typick\u00e9 teplotn\u00ed rozd\u00edly<\/h3>\n<ul>\n<li>Teplotn\u00ed rozd\u00edl 10\u201320 \u00b0C v p\u0159\u00ed\u010dn\u00e9m sm\u011bru m\u016f\u017ee zp\u016fsobit znateln\u00e9 prohnut\u00ed.<\/li>\n<li>U velk\u00fdch turb\u00edn m\u016f\u017ee rozd\u00edl teplot 30\u201350 \u00b0C zp\u016fsobit siln\u00e9 vibrace.<\/li>\n<li>Tento jev se s d\u00e9lkou h\u0159\u00eddele zesiluje, tak\u017ee del\u0161\u00ed h\u0159\u00eddele jsou ze sv\u00e9 podstaty n\u00e1chyln\u011bj\u0161\u00ed.<\/li>\n<\/ul>\n<h2>3. \u010cast\u00e9 p\u0159\u00ed\u010diny tepeln\u00e9ho prohnut\u00ed<\/h2>\n<h3>3.1 Podm\u00ednky spu\u0161t\u011bn\u00ed (nej\u010dast\u011bj\u0161\u00ed)<\/h3>\n<ul>\n<li><strong>Asymetrick\u00e9 vyh\u0159\u00edv\u00e1n\u00ed:<\/strong> horn\u00ed \u010d\u00e1st h\u0159\u00eddele je vystavena p\u016fsoben\u00ed hork\u00e9 p\u00e1ry, plynu nebo procesn\u00ed kapaliny, zat\u00edmco spodn\u00ed \u010d\u00e1st z\u016fst\u00e1v\u00e1 chladn\u011bj\u0161\u00ed.<\/li>\n<li><strong>S\u00e1lav\u00e9 vyt\u00e1p\u011bn\u00ed:<\/strong> Teplo z hork\u00fdch trubek nebo potrub\u00ed oh\u0159\u00edv\u00e1 horn\u00ed \u010d\u00e1st h\u0159\u00eddele.<\/li>\n<li><strong>T\u0159en\u00ed lo\u017eiska:<\/strong> Pokud se jedno lo\u017eisko zah\u0159\u00edv\u00e1 v\u00edce ne\u017e ostatn\u00ed, doch\u00e1z\u00ed k zah\u0159\u00edv\u00e1n\u00ed p\u0159\u00edslu\u0161n\u00e9 \u010d\u00e1sti h\u0159\u00eddele.<\/li>\n<li><strong>Rapid startup:<\/strong> P\u0159i nedostate\u010dn\u00e9 dob\u011b zah\u0159\u00edv\u00e1n\u00ed doch\u00e1z\u00ed k vytv\u00e1\u0159en\u00ed teplotn\u00edch gradient\u016f, ne\u017e se sta\u010d\u00ed vyrovnat.<\/li>\n<\/ul>\n<h3>3.2 Podm\u00ednky vypnut\u00ed (teplotn\u00ed pokles)<\/h3>\n<ul>\n<li><strong>Hot shutdown:<\/strong> h\u0159\u00eddel se zastav\u00ed, je\u0161t\u011b ne\u017e \u00fapln\u011b vychladne.<\/li>\n<li><strong>Proh\u00fdb\u00e1n\u00ed zp\u016fsoben\u00e9 gravitac\u00ed:<\/strong> Teplo stoup\u00e1, tak\u017ee horn\u00ed \u010d\u00e1st vodorovn\u00e9ho h\u0159\u00eddele chladne rychleji ne\u017e spodn\u00ed.<\/li>\n<li><strong>Tepeln\u00fd prohyb p\u0159i zastaven\u00ed:<\/strong> spodn\u00ed \u010d\u00e1st z\u016fst\u00e1v\u00e1 d\u00e9le hork\u00e1, tak\u017ee se h\u0159\u00eddel proh\u00fdb\u00e1 dol\u016f.<\/li>\n<li><strong>Kritick\u00e9 obdob\u00ed:<\/strong> prvn\u00edch n\u011bkolik hodin po vypnut\u00ed.<\/li>\n<\/ul>\n<h3>3.3 Provozn\u00ed p\u0159\u00ed\u010diny<\/h3>\n<ul>\n<li><strong>T\u0159en\u00ed mezi rotorem a statorem:<\/strong> T\u0159en\u00ed p\u0159i styku zp\u016fsobuje intenzivn\u00ed lok\u00e1ln\u00ed zah\u0159\u00edv\u00e1n\u00ed \u2013 jedn\u00e1 se o samopodporuj\u00edc\u00ed mechanismus, kter\u00fd byl zkoum\u00e1n v r\u00e1mci <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-rub\/\">t\u0159en\u00ed rotoru<\/a>.<\/li>\n<li><strong>Nerovnom\u011brn\u00e9 chlazen\u00ed:<\/strong> asymetrick\u00fd proud chladic\u00edho vzduchu nebo rozst\u0159ik vody.<\/li>\n<li><strong>Solar heating:<\/strong> venkovn\u00ed vybaven\u00ed, na kter\u00e9 z jedn\u00e9 strany sv\u00edt\u00ed slunce.<\/li>\n<li><strong>Procesn\u00ed poruchy:<\/strong> n\u00e1hl\u00e9 zm\u011bny teploty pracovn\u00ed kapaliny.<\/li>\n<\/ul>\n<p>Zvl\u00e1\u0161tn\u00ed pozornost si zaslou\u017e\u00ed p\u0159\u00edpad t\u0159en\u00ed. M\u00edrn\u00e9 t\u0159en\u00ed zah\u0159\u00edv\u00e1 jedno m\u00edsto, co\u017e zp\u016fsobuje prohnut\u00ed h\u0159\u00eddele, kter\u00e1 pak na toto m\u00edsto vyv\u00edj\u00ed v\u011bt\u0161\u00ed tlak proti t\u011bsn\u011bn\u00ed, co\u017e ho d\u00e1le zah\u0159\u00edv\u00e1 \u2013 jde o nekontrolovatelnou zp\u011btnou vazbu (n\u011bkdy naz\u00fdvanou Newkirk\u016fv efekt), kter\u00e1 m\u016f\u017ee b\u011bhem n\u011bkolika minut prom\u011bnit nepatrn\u00fd kontakt ve siln\u00e9 vibrace.<\/p>\n<h2>4. P\u0159\u00edznaky a diagnostika<\/h2>\n<h3>4.1 Charakteristika vibrac\u00ed<\/h3>\n<p>Tepeln\u00fd oblouk vyvol\u00e1v\u00e1 charakteristick\u00fd soubor p\u0159\u00edznak\u016f:<\/p>\n<ul>\n<li><strong>Frekvence:<\/strong> 1\u00d7 ot\u00e1\u010dkov\u00e1 frekvence \u2014 klasick\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/synchronous-vibration\/\">synchronn\u00ed vibrace<\/a>.<\/li>\n<li><strong>Na\u010dasov\u00e1n\u00ed:<\/strong> vysok\u00e1 b\u011bhem zah\u0159\u00edv\u00e1n\u00ed, kles\u00e1 s dosa\u017een\u00edm tepeln\u00e9 rovnov\u00e1hy.<\/li>\n<li><strong>Phase changes:<\/strong> na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase-angle\/\">f\u00e1zov\u00fd \u00fahel<\/a> zm\u011bny, jak se oblouk vyv\u00edj\u00ed a pot\u00e9 odezn\u00edv\u00e1.<\/li>\n<li><strong>Vibrace p\u0159i pomal\u00e9m ot\u00e1\u010den\u00ed:<\/strong> siln\u00e9 vibrace i p\u0159i velmi n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch, na rozd\u00edl od <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>.<\/li>\n<li><strong>Vzhled:<\/strong> vypad\u00e1 to jako nevyv\u00e1\u017eenost, ale z\u00e1vis\u00ed to na teplot\u011b.<\/li>\n<\/ul>\n<h3>4.2 Rozli\u0161en\u00ed tepeln\u00e9ho prohnut\u00ed od nevyv\u00e1\u017eenosti<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Charakteristika<\/th>\n<th>Nevyv\u00e1\u017eenost<\/th>\n<th>Tepeln\u00fd pr\u016fhyb<\/th>\n<\/tr>\n<tr>\n<td>Frekvence<\/td>\n<td>1\u00d7 ot\u00e1\u010dkov\u00e1 frekvence<\/td>\n<td>1\u00d7 ot\u00e1\u010dkov\u00e1 frekvence<\/td>\n<\/tr>\n<tr>\n<td>Teplotn\u00ed citlivost<\/td>\n<td>Relativn\u011b stabiln\u00ed<\/td>\n<td>Vysok\u00e1 b\u011bhem zah\u0159\u00edv\u00e1n\u00ed\/ochlazov\u00e1n\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Pomal\u00fd chod (50\u2013200 ot.\/min.)<\/td>\n<td>Velmi n\u00edzk\u00e1 amplituda<\/td>\n<td>Vysok\u00e1 amplituda<\/td>\n<\/tr>\n<tr>\n<td>F\u00e1ze vs. teplota<\/td>\n<td>Konstantn\u00ed<\/td>\n<td>M\u011bn\u00ed se s rozvojem pr\u016fhybu<\/td>\n<\/tr>\n<tr>\n<td>Perzistence<\/td>\n<td>Konstantn\u00ed za v\u0161ech okolnost\u00ed<\/td>\n<td>Do\u010dasn\u00e9, odezn\u00ed v tepeln\u00e9 rovnov\u00e1ze<\/td>\n<\/tr>\n<tr>\n<td>Reakce na vyva\u017eov\u00e1n\u00ed<\/td>\n<td>Sn\u00ed\u017een\u00e9 vibrace<\/td>\n<td>Minim\u00e1ln\u00ed nebo \u017e\u00e1dn\u00e9 zlep\u0161en\u00ed<\/td>\n<\/tr>\n<\/table>\n<p>Zobrazen\u00edm amplitudy a f\u00e1ze v z\u00e1vislosti na \u010dase \u2013 nebo na teplot\u011b lo\u017eiska \u2013 se z t\u011bchto \u0159\u00e1dk\u016f tabulky stane jednozna\u010dn\u00fd obraz: vektor, kter\u00fd se pohybuje, kdy\u017e se rotor zah\u0159\u00edv\u00e1, a pot\u00e9 se ust\u00e1l\u00ed, p\u0159edstavuje teplotn\u00ed prohnut\u00ed, zat\u00edmco vektor, kter\u00fd z\u016fst\u00e1v\u00e1 nehybn\u00fd, p\u0159edstavuje nevyv\u00e1\u017eenost. A <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/polar-plot\/\">pol\u00e1rn\u00ed graf<\/a> zachyceno b\u011bhem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/startup-vibration\/\">rozb\u011bh<\/a> tuto migraci p\u0159ehledn\u011b zn\u00e1zor\u0148uje.<\/p>\n<h3>4.3 Diagnostick\u00e9 testy<\/h3>\n<h4>4.3.1 Zkou\u0161ka vibracemi p\u0159i pomal\u00e9m ot\u00e1\u010den\u00ed<\/h4>\n<ul>\n<li>Ot\u00e1\u010dejte h\u0159\u00eddelem p\u0159i 5\u201310 % provozn\u00edch ot\u00e1\u010dek.<\/li>\n<li>M\u011b\u0159en\u00ed vibrac\u00ed a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/run-out\/\">h\u00e1zen\u00ed<\/a>.<\/li>\n<li>Siln\u00e9 vibrace p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch nazna\u010duj\u00ed tepeln\u00e9 nebo mechanick\u00e9 prohnut\u00ed, nikoli nevyv\u00e1\u017eenost, jej\u00ed\u017e vliv je p\u0159i tak n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch zanedbateln\u00fd.<\/li>\n<\/ul>\n<h4>4.3.2 Sledov\u00e1n\u00ed teploty<\/h4>\n<ul>\n<li>B\u011bhem spou\u0161t\u011bn\u00ed sledujte teploty h\u0159\u00eddele nebo lo\u017eisek, nejl\u00e9pe pomoc\u00ed speci\u00e1ln\u00edho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/temperature-sensor\/\">teplotn\u00ed \u010didlo<\/a> na n\u011bkolika m\u00edstech.<\/li>\n<li>Zm\u011b\u0159te teplotu na v\u00edce m\u00edstech po obvodu lo\u017eiska<\/li>\n<li>Porovnejte zm\u011bny vibrac\u00ed s nam\u011b\u0159en\u00fdmi teplotn\u00edmi gradienty.<\/li>\n<\/ul>\n<h4>4.3.3 V\u00fdvoj vibrac\u00ed p\u0159i spou\u0161t\u011bn\u00ed<\/h4>\n<ul>\n<li>Zaznamenejte amplitudu vibrac\u00ed v z\u00e1vislosti na \u010dase b\u011bhem zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<li>Tepeln\u00e9 prohnut\u00ed: zpo\u010d\u00e1tku vysok\u00e1, pot\u00e9 klesaj\u00edc\u00ed s p\u0159ibl\u00ed\u017een\u00edm se k rovnov\u00e1\u017en\u00e9mu stavu.<\/li>\n<li>Nevyv\u00e1\u017eenost: roste s rychlost\u00ed a nen\u00ed z\u00e1visl\u00e1 na teplot\u011b.<\/li>\n<\/ul>\n<h2>5. Preventivn\u00ed strategie<\/h2>\n<h3>5.1 Provozn\u00ed postupy<\/h3>\n<h4>5.1.1 Spr\u00e1vn\u00e9 postupy p\u0159i rozcvi\u010dov\u00e1n\u00ed<\/h4>\n<ul>\n<li><strong>Postupn\u00e9 zvy\u0161ov\u00e1n\u00ed teploty:<\/strong> Nechte h\u0159\u00eddel rovnom\u011brn\u011b zah\u0159\u00e1t.<\/li>\n<li><strong>Prodlou\u017een\u00e1 doba rozcvi\u010dky:<\/strong> u velk\u00fdch turb\u00edn to m\u016f\u017ee trvat 2\u20134 hodiny.<\/li>\n<li><strong>Sledov\u00e1n\u00ed teploty:<\/strong> sledovat teploty lo\u017eisek a pl\u00e1\u0161t\u011b.<\/li>\n<li><strong>Monitorov\u00e1n\u00ed vibrac\u00ed:<\/strong> Sledujte vibrace b\u011bhem zah\u0159\u00edv\u00e1n\u00ed a v p\u0159\u00edpad\u011b, \u017ee jsou siln\u00e9, odlo\u017ete zv\u00fd\u0161en\u00ed rychlosti.<\/li>\n<\/ul>\n<h4>5.1.2 Provoz ot\u00e1\u010dec\u00edho za\u0159\u00edzen\u00ed<\/h4>\n<ul>\n<li>U velk\u00fdch turb\u00edn nechte b\u011bhem zah\u0159\u00edv\u00e1n\u00ed a ochlazov\u00e1n\u00ed b\u011b\u017eet ot\u00e1\u010dec\u00ed mechanismus (pomal\u00e9 ot\u00e1\u010den\u00ed, p\u0159ibli\u017en\u011b 3\u201310 ot.\/min.).<\/li>\n<li>Neust\u00e1l\u00e9 ot\u00e1\u010den\u00ed zabra\u0148uje tepeln\u00e9 deformaci t\u00edm, \u017ee rovnom\u011brn\u011b rozv\u00e1d\u00ed teplo po cel\u00e9m obvodu.<\/li>\n<li>U parn\u00edch turb\u00edn s v\u00fdkonem nad 50 MW se jedn\u00e1 o standardn\u00ed postup v oboru.<\/li>\n<li>B\u011bhem ochlazov\u00e1n\u00ed m\u016f\u017ee oto\u010dn\u00e9 za\u0159\u00edzen\u00ed b\u011b\u017eet 8\u201324 hodin.<\/li>\n<\/ul>\n<h4>5.1.3 Postupy p\u0159i vyp\u00edn\u00e1n\u00ed<\/h4>\n<ul>\n<li><strong>Postupn\u00e9 ochlazov\u00e1n\u00ed:<\/strong> P\u0159ed vypnut\u00edm pomalu sni\u017eujte zat\u00ed\u017een\u00ed a teplotu<\/li>\n<li><strong>Prodlou\u017een\u00fd chod ot\u00e1\u010dec\u00edho za\u0159\u00edzen\u00ed:<\/strong> nechat rotor ot\u00e1\u010det se b\u011bhem ochlazov\u00e1n\u00ed.<\/li>\n<li><strong>Vyhnout se tepl\u00e9mu vypnut\u00ed:<\/strong> Nouzov\u00e9 zastaven\u00ed zp\u016fsobuje, \u017ee h\u0159\u00eddel je hork\u00e1 a n\u00e1chyln\u00e1 k proh\u00fdb\u00e1n\u00ed<\/li>\n<\/ul>\n<h3>5.2 N\u00e1vrhov\u00e1 opat\u0159en\u00ed<\/h3>\n<ul>\n<li><strong>Tepeln\u00e1 izolace:<\/strong> izolovat pl\u00e1\u0161t\u011b, aby se udr\u017eovala st\u00e1l\u00e1 teplota.<\/li>\n<li><strong>Vyh\u0159\u00edvac\u00ed pl\u00e1\u0161t\u011b:<\/strong> extern\u00ed oh\u0159\u00edva\u010de pro rovnom\u011brn\u00e9 p\u0159edeh\u0159\u00e1t\u00ed.<\/li>\n<li><strong>Odvodn\u011bn\u00ed:<\/strong> zabr\u00e1nit hromad\u011bn\u00ed hork\u00e9 kondenzace na spodn\u00ed stran\u011b h\u0159\u00eddele.<\/li>\n<li><strong>V\u011btr\u00e1n\u00ed:<\/strong> zajistit symetrick\u00fd proud chladic\u00edho vzduchu.<\/li>\n<\/ul>\n<h2>6. D\u016fsledky tepeln\u00e9ho prohnut\u00ed<\/h2>\n<h3>6.1 Okam\u017eit\u00e9 d\u016fsledky<\/h3>\n<ul>\n<li><strong>Vysok\u00e9 vibrace:<\/strong> m\u016f\u017ee b\u011bhem rozcvi\u010dky dos\u00e1hnout 5\u201310n\u00e1sobku b\u011b\u017en\u00fdch hodnot a dramaticky se zes\u00edl\u00ed, pokud ohyb p\u0159inut\u00ed rotor k <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e1 rychlost<\/a>.<\/li>\n<li><strong>Zat\u00ed\u017een\u00ed lo\u017eiska:<\/strong> Asymetrick\u00fd oblouk zvy\u0161uje zat\u00ed\u017een\u00ed lo\u017eisek.<\/li>\n<li><strong>Seal rubs:<\/strong> Vych\u00fdlen\u00ed h\u0159\u00eddele m\u016f\u017ee zp\u016fsobit kontakt s t\u011bsn\u011bn\u00edmi nebo pevn\u00fdmi \u010d\u00e1stmi<\/li>\n<li><strong>Prodlevy p\u0159i spou\u0161t\u011bn\u00ed:<\/strong> Pos\u00e1dka mus\u00ed po\u010dkat, a\u017e vibrace ustanou, ne\u017e zv\u00fd\u0161\u00ed rychlost.<\/li>\n<\/ul>\n<h3>6.2 Dlouhodob\u00e9 po\u0161kozen\u00ed<\/h3>\n<ul>\n<li><strong>Opot\u0159eben\u00ed lo\u017eiska:<\/strong> opakovan\u00e9 siln\u00e9 vibrace urychluj\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-wear\/\">opot\u0159eben\u00ed lo\u017eisek<\/a>.<\/li>\n<li><strong>Po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed:<\/strong> Opakovan\u00e9 t\u0159en\u00ed ni\u010d\u00ed sou\u010d\u00e1sti t\u011bsn\u011bn\u00ed.<\/li>\n<li><strong>\u00danava:<\/strong> cyklick\u00e9 ohybov\u00e9 nam\u00e1h\u00e1n\u00ed p\u0159i ka\u017ed\u00e9m spu\u0161t\u011bn\u00ed p\u0159isp\u00edv\u00e1 k <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a> po celou dobu \u017eivotnosti rotoru.<\/li>\n<li><strong>Permanent set:<\/strong> Siln\u00e9 nebo opakovan\u00e9 tepeln\u00e9 prohnut\u00ed m\u016f\u017ee nakonec v\u00e9st k trval\u00e9 plastick\u00e9 deformaci \u2013 v tom okam\u017eiku se z reverzibiln\u00ed poruchy stane trval\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-bow\/\">pr\u016fhyb h\u0159\u00eddele<\/a>.<\/li>\n<\/ul>\n<h2>7. N\u00e1prava a zm\u00edrn\u011bn\u00ed<\/h2>\n<h3>7.1 Pro aktivn\u00ed tepeln\u00fd oblouk<\/h3>\n<ul>\n<li><strong>Allow time:<\/strong> P\u0159ed zv\u00fd\u0161en\u00edm rychlosti po\u010dkejte na tepelnou rovnov\u00e1hu<\/li>\n<li><strong>Pomal\u00fd chod:<\/strong> Pomalu ot\u00e1\u010dejte, abyste teplo co nejl\u00e9pe rozlo\u017eili.<\/li>\n<li><strong>Nepokou\u0161ejte se prov\u00e1d\u011bt vyva\u017eov\u00e1n\u00ed:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyva\u017eov\u00e1n\u00ed<\/a> nelze napravit tepeln\u00e9 prohnut\u00ed a nebude \u00fa\u010dinn\u00e9.<\/li>\n<li><strong>\u0158e\u0161en\u00ed probl\u00e9mu se zdrojem tepla:<\/strong> zjistit a odstranit nerovnom\u011brn\u00e9 zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<\/ul>\n<h3>7.2 Pro tepeln\u00fd pr\u016fhyb (po vypnut\u00ed)<\/h3>\n<ul>\n<li><strong>Ot\u00e1\u010dec\u00ed za\u0159\u00edzen\u00ed:<\/strong> B\u011bhem ochlazov\u00e1n\u00ed udr\u017eujte rotor v pomal\u00e9m chodu.<\/li>\n<li><strong>Prodlou\u017een\u00e1 doba ot\u00e1\u010den\u00ed:<\/strong> M\u016f\u017ee b\u00fdt zapot\u0159eb\u00ed 12\u201324 hodin provozu oto\u010dn\u00e9ho za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Sledov\u00e1n\u00ed teploty:<\/strong> pokra\u010dujte, dokud teplota h\u0159\u00eddele nebude rovnom\u011brn\u00e1.<\/li>\n<li><strong>Zpo\u017ed\u011bn\u00fd restart:<\/strong> Pokud se vytvo\u0159ila prohnut\u00e1 \u010d\u00e1st t\u011bla, po\u010dkejte na p\u0159irozen\u00e9 narovn\u00e1n\u00ed, ne\u017e znovu za\u010dnete<\/li>\n<\/ul>\n<h2>8. Specifick\u00e9 aspekty pro jednotliv\u00e1 odv\u011btv\u00ed<\/h2>\n<h3>8.1 Parn\u00ed turb\u00edny<\/h3>\n<ul>\n<li>Nejv\u00edce n\u00e1chyln\u00e9 stroje, a to kv\u016fli vysok\u00fdm teplot\u00e1m a masivn\u00edm rotor\u016fm.<\/li>\n<li>Sou\u010d\u00e1st\u00ed b\u011b\u017en\u00e9 praxe jsou d\u016fkladn\u00e9 postupy zah\u0159\u00edv\u00e1n\u00ed a chladic\u00edho provozu.<\/li>\n<li>U jednotek s v\u00fdkonem nad 50 MW je povinn\u00e9 pou\u017eit\u00ed oto\u010dn\u00e9ho za\u0159\u00edzen\u00ed.<\/li>\n<li>Mohou vy\u017eadovat 2\u20134 hodiny na zah\u0159\u00e1t\u00ed a 12\u201324 hodin na vychladnut\u00ed na oto\u010dn\u00e9m za\u0159\u00edzen\u00ed.<\/li>\n<\/ul>\n<h3>8.2 Plynov\u00e9 turb\u00edny<\/h3>\n<ul>\n<li>Rychlej\u0161\u00ed tepeln\u00e1 odezva d\u00edky ni\u017e\u0161\u00ed hmotnosti rotoru.<\/li>\n<li>Teplotn\u00ed prohnut\u00ed p\u0159i spu\u0161t\u011bn\u00ed je m\u00e9n\u011b \u010dast\u00e9, ale st\u00e1le mo\u017en\u00e9.<\/li>\n<li>Oh\u0159ev na stran\u011b spalovac\u00ed komory m\u016f\u017ee zp\u016fsobit obvodov\u00e9 nesymetrie.<\/li>\n<li>Zah\u0159\u00edvac\u00ed cykly jsou obvykle rychlej\u0161\u00ed ne\u017e u parn\u00edch turb\u00edn.<\/li>\n<\/ul>\n<h3>8.3 Velk\u00e9 elektromotory a gener\u00e1tory<\/h3>\n<ul>\n<li>Tepeln\u00e9 prohnut\u00ed m\u016f\u017ee b\u00fdt zp\u016fsobeno teplem vznikaj\u00edc\u00edm ve vinut\u00ed rotoru nebo t\u0159en\u00edm lo\u017eisek.<\/li>\n<li>Venkovn\u00ed instalace jsou na jedn\u00e9 stran\u011b vystaveny slune\u010dn\u00edmu z\u00e1\u0159en\u00ed.<\/li>\n<li>M\u016f\u017ee b\u00fdt nutn\u00e9 prov\u00e9st ot\u00e1\u010den\u00ed nebo zah\u0159\u00e1t\u00ed p\u0159ed spu\u0161t\u011bn\u00edm.<\/li>\n<\/ul>\n<h2>9. Monitorov\u00e1n\u00ed a signalizace<\/h2>\n<h3>9.1 Kl\u00ed\u010dov\u00e9 monitorovac\u00ed parametry<\/h3>\n<ul>\n<li><strong>Vibrace p\u0159i pomal\u00e9m ot\u00e1\u010den\u00ed:<\/strong> p\u0159ed b\u011b\u017en\u00fdm spu\u0161t\u011bn\u00edm prove\u010fte m\u011b\u0159en\u00ed p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch.<\/li>\n<li><strong>Rozd\u00edl teplot lo\u017eiska:<\/strong> porovnejte teploty v horn\u00ed a spodn\u00ed \u010d\u00e1sti.<\/li>\n<li><strong>Vibrace versus teplota:<\/strong> vykreslit z\u00e1vislost amplitudy na teplot\u011b lo\u017eiska.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">F\u00e1zov\u00fd \u00fahel<\/a>:<\/strong> sledovat zm\u011bny f\u00e1ze, kter\u00e9 signalizuj\u00ed vznikaj\u00edc\u00ed vybo\u010den\u00ed h\u0159\u00eddele.<\/li>\n<\/ul>\n<h3>9.2 Krit\u00e9ria pro spu\u0161t\u011bn\u00ed alarmu<\/h3>\n<ul>\n<li>Vibrace p\u0159i pomal\u00e9m pohybu, kter\u00e9 p\u0159ekro\u010d\u00ed dvojn\u00e1sobek z\u00e1kladn\u00ed hodnoty, spust\u00ed alarm.<\/li>\n<li>Teplotn\u00ed rozd\u00edl vy\u0161\u0161\u00ed ne\u017e 15\u201320 \u00b0C nazna\u010duje teplotn\u00ed nerovnov\u00e1hu.<\/li>\n<li>Rychl\u00e9 zm\u011bny f\u00e1ze (v\u00edce ne\u017e 30\u00b0 za 10 minut) nazna\u010duj\u00ed vznikaj\u00edc\u00ed oblouk.<\/li>\n<li>Vibrace se b\u011bhem zah\u0159\u00edv\u00e1n\u00ed sp\u00ed\u0161e zvy\u0161uj\u00ed ne\u017e sni\u017euj\u00ed<\/li>\n<\/ul>\n<p>Tato krit\u00e9ria p\u0159irozen\u011b zapadaj\u00ed do \u0161ir\u0161\u00edho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> program, v n\u011bm\u017e se zaznamen\u00e1vaj\u00ed \u00fadaje o rozjezdu a dojezdu jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/transient-vibration\/\">p\u0159echodn\u00e9 vibrace<\/a> z\u00e1znamy nam\u00edsto moment\u00e1ln\u00edch sn\u00edmk\u016f.<\/p>\n<h2>10. Pokro\u010dil\u00e9 strategie spou\u0161t\u011bn\u00ed<\/h2>\n<h3>10.1 \u0158\u00edzen\u00e9 zrychlen\u00ed<\/h3>\n<ol>\n<li><strong>Po\u010d\u00e1te\u010dn\u00ed pomal\u00fd rozjezd:<\/strong> Zkontrolujte, zda jsou vibrace v rozmez\u00ed 100\u2013200 ot.\/min. v p\u0159ijateln\u00e9m rozsahu.<\/li>\n<li><strong>Postupn\u00e9 zrychlov\u00e1n\u00ed:<\/strong> postupn\u011b zvy\u0161ujte rychlost na st\u0159edn\u00ed \u00farove\u0148 (nap\u0159\u00edklad 30 %, 50 %, 70 % norm\u00e1ln\u00ed rychlosti) s kr\u00e1tk\u00fdmi pauzami.<\/li>\n<li><strong>Doba tepeln\u00e9 stabilizace:<\/strong> v ka\u017ed\u00e9 f\u00e1zi udr\u017eujte konstantn\u00ed rychlost po dobu 15\u201330 minut.<\/li>\n<li><strong>Kontrola vibrac\u00ed:<\/strong> Ne\u017e budete pokra\u010dovat, ujist\u011bte se, \u017ee vibrace v ka\u017ed\u00e9 f\u00e1zi klesaj\u00ed.<\/li>\n<li><strong>Sledov\u00e1n\u00ed teploty:<\/strong> zajistit, aby se teplotn\u00ed gradienty v cel\u00e9m prostoru zmen\u0161ovaly.<\/li>\n<\/ol>\n<h3>10.2 Syst\u00e9my automatick\u00e9ho spou\u0161t\u011bn\u00ed<\/h3>\n<p>Modern\u00ed \u0159\u00eddic\u00ed syst\u00e9my dok\u00e1\u017eou automatizovat \u0159\u00edzen\u00ed tepeln\u00e9ho prohnut\u00ed:<\/p>\n<ul>\n<li>Programovateln\u00e9 sekvence zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<li>Automatick\u00e9 doby v\u00fddr\u017ee p\u0159i p\u0159ekro\u010den\u00ed limit\u016f vibrac\u00ed nebo teploty<\/li>\n<li>V\u00fdpo\u010det velikosti prohnut\u00ed v re\u00e1ln\u00e9m \u010dase na z\u00e1klad\u011b vibrac\u00ed a teploty.<\/li>\n<li>Adaptivn\u00ed rychlostn\u00ed profily zalo\u017een\u00e9 na nam\u011b\u0159en\u00fdch podm\u00ednk\u00e1ch<\/li>\n<\/ul>\n<h2>11. Vztah k jin\u00fdm jev\u016fm<\/h2>\n<h3>11.1 Teplotn\u00ed prohnut\u00ed vs. trval\u00e9 prohnut\u00ed<\/h3>\n<ul>\n<li><strong>Tepeln\u00fd ohyb:<\/strong> je do\u010dasn\u00fd, p\u0159i dosa\u017een\u00ed tepeln\u00e9 rovnov\u00e1hy zmiz\u00ed.<\/li>\n<li><strong>Trval\u00e9 prohnut\u00ed:<\/strong> plastick\u00e1 deformace, kter\u00e1 p\u0159etrv\u00e1v\u00e1 i po ochlazen\u00ed h\u0159\u00eddele.<\/li>\n<li><strong>Riziko:<\/strong> Siln\u00e9 a opakovan\u00e9 tepeln\u00e9 prohnut\u00ed m\u016f\u017ee nakonec v\u00e9st k trval\u00e9 deformaci.<\/li>\n<\/ul>\n<h3>11.2 Tepeln\u00e9 prohnut\u00ed a vyva\u017eov\u00e1n\u00ed<\/h3>\n<ul>\n<li>Pokus o <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyv\u00e1\u017een\u00ed<\/a> Sna\u017eit se opravit rotor, kter\u00fd je tepeln\u011b zdeformovan\u00fd, je zbyte\u010dn\u00e9.<\/li>\n<li>Korek\u010dn\u00ed z\u00e1va\u017e\u00ed vypo\u010d\u00edtan\u00e1 pro stav prohnut\u00ed budou po dosa\u017een\u00ed rovnov\u00e1hy nespr\u00e1vn\u00e1.<\/li>\n<li>P\u0159ed vyva\u017eov\u00e1n\u00edm v\u017edy po\u010dkejte na tepelnou stabilizaci.<\/li>\n<li>Teplotn\u00ed prohnut\u00ed m\u016f\u017ee tak\u00e9 zakr\u00fdt skute\u010dnou skrytou nerovnov\u00e1hu.<\/li>\n<\/ul>\n<p>Pr\u00e1v\u011b proto je nutn\u00e9 p\u0159i vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b po\u010dkat na dosa\u017een\u00ed stabiln\u00edho tepeln\u00e9ho stavu. Jakmile se rotor ust\u00e1l\u00ed na dan\u00fdch ot\u00e1\u010dk\u00e1ch a pomal\u00fd test vybo\u010den\u00ed potvrd\u00ed, \u017ee se ot\u00e1\u010d\u00ed rovnom\u011brn\u011b, lze pou\u017e\u00edt p\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u016f\u017ee m\u011b\u0159it amplitudu 1\u00d7 a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a>, vypo\u010d\u00edtat <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/influence-coefficient\/\">koeficienty vlivu<\/a>a zkontrolujte kone\u010dn\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/residual-unbalance\/\">zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> proti <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> tepl\u00fd stav \u2013 zachycen\u00ed skute\u010dn\u00e9ho rovnov\u00e1\u017en\u00e9ho stavu za tepla, kter\u00fd stroj na vyva\u017eov\u00e1n\u00ed za studena nikdy nezaznamen\u00e1. P\u0159\u00edpustn\u00fd zbytkov\u00fd disbalans pro danou zak\u00e1zku lze p\u0159edem vypo\u010d\u00edtat pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/residual-unbalance-iso1940\/\">Kalkul\u00e1tor zbytkov\u00e9 nevyv\u00e1\u017eenosti (ISO 21940-11)<\/a>.<\/p>\n<h2>12. Osv\u011bd\u010den\u00e9 postupy v oblasti prevence<\/h2>\n<h3>12.1 Pro nov\u00e9 instalace<\/h3>\n<ul>\n<li>Navrhujte symetrick\u00e9 syst\u00e9my vyt\u00e1p\u011bn\u00ed a chlazen\u00ed.<\/li>\n<li>U za\u0159\u00edzen\u00ed s v\u00fdkonem nad 100 kW nebo s h\u0159\u00eddel\u00ed del\u0161\u00ed ne\u017e 2 metry je nutn\u00e9 namontovat oto\u010dn\u00e9 za\u0159\u00edzen\u00ed.<\/li>\n<li>Zajist\u011bte dostate\u010dn\u00fd odtok vody, aby se zabr\u00e1nilo hromad\u011bn\u00ed hork\u00e9 tekutiny<\/li>\n<li>Pou\u017eijte izolaci, abyste omezili p\u0159enos tepla s\u00e1l\u00e1n\u00edm.<\/li>\n<\/ul>\n<h3>12.2 St\u00e1vaj\u00edc\u00ed za\u0159\u00edzen\u00ed<\/h3>\n<ul>\n<li>Vypracovat a striktn\u011b dodr\u017eovat p\u00edsemn\u00e9 postupy pro rozcvi\u010dku<\/li>\n<li>Pro\u0161kolte oper\u00e1tory ohledn\u011b rizik a p\u0159\u00edznak\u016f tepeln\u00e9ho prohnut\u00ed.<\/li>\n<li>Nainstalujte syst\u00e9m monitorov\u00e1n\u00ed teploty na n\u011bkolika m\u00edstech.<\/li>\n<li>Vyu\u017eijte anal\u00fdzu trend\u016f vibrac\u00ed p\u0159i spou\u0161t\u011bn\u00ed k odhalen\u00ed tepeln\u00fdch probl\u00e9m\u016f.<\/li>\n<li>Zaznamen\u00e1vejte historick\u00e1 data, abyste postupy mohli v pr\u016fb\u011bhu \u010dasu zdokonalovat.<\/li>\n<\/ul>\n<h3>12.3 Postupy \u00fadr\u017eby<\/h3>\n<ul>\n<li>P\u0159ed ka\u017ed\u00fdm vypnut\u00edm zkontrolujte funkci oto\u010dn\u00e9ho \u00fastroj\u00ed<\/li>\n<li>Zkontrolujte kalibraci sn\u00edma\u010d\u016f teploty lo\u017eisek.<\/li>\n<li>Zkontrolujte, zda v odtokov\u00fdch syst\u00e9mech nejsou ucp\u00e1vky.<\/li>\n<li>Zkontrolujte neporu\u0161enost izolace.<\/li>\n<li>Zjist\u011bte a odstra\u0148te v\u0161echny p\u0159\u00ed\u010diny nerovnom\u011brn\u00e9ho zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<\/ul>\n<p>Tepeln\u00e9 prohnut\u00ed, a\u010dkoli je do\u010dasn\u00e9 a zvratn\u00e9, p\u0159edstavuje pro velk\u00e1 rota\u010dn\u00ed za\u0159\u00edzen\u00ed v\u00fdznamnou provozn\u00ed v\u00fdzvu. Porozum\u011bn\u00ed jeho p\u0159\u00ed\u010din\u00e1m, rozpozn\u00e1n\u00ed jeho p\u0159\u00edznak\u016f a dodr\u017eov\u00e1n\u00ed spr\u00e1vn\u00fdch postup\u016f p\u0159i zah\u0159\u00edv\u00e1n\u00ed a ochlazov\u00e1n\u00ed jsou z\u00e1sadn\u00ed pro spolehliv\u00fd provoz parn\u00edch turb\u00edn, plynov\u00fdch turb\u00edn a dal\u0161\u00edch vysokoteplotn\u00edch rota\u010dn\u00edch za\u0159\u00edzen\u00ed \u2013 a tak\u00e9 pro to, aby bylo mo\u017en\u00e9 v dan\u00e9m okam\u017eiku rozli\u0161it mezi rotorem, kter\u00fd pouze pot\u0159ebuje \u010das na ust\u00e1len\u00ed, a rotorem, kter\u00fd skute\u010dn\u011b vy\u017eaduje vyv\u00e1\u017een\u00ed.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s tepelnym prohnutim, docasnym zakrivenim hridele zpusobenym nerovnomernym ohrever, ktere behem zahrivani vyvolava vibracni priznaky, bezne u velkych turbin a motoru.<\/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\/cs\/wp-json\/wp\/v2\/glossary\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/268\/revisions"}],"predecessor-version":[{"id":101463,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/268\/revisions\/101463"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}