{"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\/bs\/glossary\/thermal-bow\/","title":{"rendered":"\u0160to je toplinsko savijanje? Savijanje vratila izazvano temperaturom"},"content":{"rendered":"<h1>Razumijevanje toplinskog savijanja u rotiraju\u0107im strojevima<\/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\/bs\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija 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=\"Balanset-1A kompletan set prenosivi balanser i analizator vibracija\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">Prijenosni balanser i analizator vibracija 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">\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=\"Balanset-1A senzor vibracija u detaljnom prikazu\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">Senzor vibracija<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">\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=\"opti\u010dki senzor (laserski tahometar)\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">opti\u010dki senzor (laserski tahometar)<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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=\"Vibromera set za balansiranje rotora: kofer za no\u0161enje, multikanalnu jedinicu za kondicioniranje signala, ru\u010dni analizator, magnetnu bazu, senzore vibracija i spiralne kablove.\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje 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=\"Magnet base.\" 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 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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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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>Thermal bow<\/strong> (zvano i toplo savijanje, toplinsko savijanje, ili savijanje vratila izazvano temperaturom) je privremena krivulja koja se razvija u <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/rotor\/\">rotor<\/a> vratilu kada temperatura nije ujedna\u010dena oko njegovog obujma. Kada je jedna strana vratila toplija od suprotne strane, toplija strana se vi\u0161e \u0161iri, produljuje, i prisiljava vratilo u luk s toplom stranom na konveksnoj (vanjskoj) strani krivulje. Za razliku od trajnog <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/shaft-bow\/\">shaft bow<\/a> koji slijedi nakon mehani\u010dke \u0161tete, toplinsko savijanje je reverzibilno: gubi se kako vratilo vra\u0107a jednoliku temperaturu. Unato\u010d tome, mo\u017ee pokrenuti sna\u017ene <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> tijekom zagrijavanja i hla\u0111enja, a ako je ozbiljno ili se beskona\u010dno ponavlja, mo\u017ee ostaviti trajnu \u0161tetu u svojoj tragi.<\/p>\n<h2>1. Definicija: \u0160to je toplinsko savijanje<\/h2>\n<p>Toplinsko savijanje najbolje se mo\u017ee zamisliti kao prolazna geometrijska gre\u0161ka. Vratilo nije napustilo elasti\u010dnost i nema ni\u0161ta lo\u0161e u njegovoj raspodjeli mase; jednostavno se savija, u stvarnom vremenu, zbog temperaturnog gradienta oko njegovog promjera. Budu\u0107i da je savijanje geometrijsko i rotira s vratilom, rezultiraju\u0107a vibracija sjedi na <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/running-speed\/\">running speed<\/a> i izgleda, na spektru, gotovo identi\u010dno <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a>. Klju\u010dna razlika je \u0161to toplinsko savijanje dolazi i odlazi s temperaturom, dok je nebalansirani rotor stalan. Ovaj jedan znakCharacteristic pona\u0161anja \u2014 vibracija koja prati toplinsko stanje stroja umjesto njegove brzine \u2014 nit je koja razvija cijelu dijagnozu.<\/p>\n<h2>2. Fizi\u010dki mehanizam<\/h2>\n<h3>2.1 Diferencijalna toplinska ekspanzija<\/h3>\n<p>Fizika iza toplinskog savijanja je jednostavna:<\/p>\n<ul>\n<li>Metal expands when heated (the coefficient of thermal expansion is typically 10\u201315 \u00b5m\/m\/\u00b0C for steel).<\/li>\n<li>Ako je temperatura jednolika oko oboda, \u0161irenje je simetri\u010dno \u2014 vratilo se jednostavno produljuje ali ostaje ravno.<\/li>\n<li>Ako je jedna strana toplija, ta strana se vi\u0161e \u0161iri nego hladna strana.<\/li>\n<li>Diferencijalno \u0161irenje prisiljav\u0430\u0435\u0442 zakrivljenost.<\/li>\n<li>Veli\u010dina savijanja je proporcionalna i razlici temperature i du\u017eini vratila.<\/li>\n<\/ul>\n<p>Isti koeficijent koji upravlja ovim gradijentom tako\u0111er pogoni aksijalnu ekspanziju i promjene slijeganja koje in\u017eenjeri ra\u010dunaju drugdje; aritmemetika koja se javlja je identi\u010dna onoj u <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/thermal-expansion-calculator\/\">Kalkulator termi\u010dkog \u0161irenja<\/a>, primijenjeno preko promjera umjesto du\u017e du\u017eine.<\/p>\n<h3>2.2 Tipi\u010dne razlike temperature<\/h3>\n<ul>\n<li>Razlika temperature od 10\u201320\u00b0C preko promjera mo\u017ee stvoriti mjerljivo savijanje.<\/li>\n<li>U velikim turbinama, razlika od 30\u201350\u00b0C mo\u017ee proizvesti ozbiljnu vibraciju.<\/li>\n<li>U\u010dinak se akumulira du\u017e du\u017eine vratila, pa su du\u017ea vratila inherentno osjetljivija.<\/li>\n<\/ul>\n<h2>3. \u010cesti uzroci toplinskog savijanja<\/h2>\n<h3>3.1 Uvjeti pokretanja (Naj\u010de\u0161\u0107e)<\/h3>\n<ul>\n<li><strong>Asimetri\u010dno zagrijavanje:<\/strong> topla para, plin ili procesna teku\u0107ina dolaze u dodir s vrhom vratila dok dno ostaje hladnije.<\/li>\n<li><strong>Toplinsko zra\u010denje:<\/strong> toplina od toplih ku\u0107i\u0161ta ili cijevi zagrijavaju gornji dio vratila.<\/li>\n<li><strong>Trenje le\u017eaja:<\/strong> jedan le\u017eaj koji radi toplije od ostalih zagrijav\u0430 njegov lokalni dio vratila.<\/li>\n<li><strong>Rapid startup:<\/strong> nedostatak vremena za zagrijavanje omogu\u0107ava da se toplinski gradijenti izgrade prije nego \u0161to se mogu izjedna\u010diti.<\/li>\n<\/ul>\n<h3>3.2 Uslovi ga\u0161enja (Toplinska sag)<\/h3>\n<ul>\n<li><strong>Hot shutdown:<\/strong> vratilo prestaje da se rotira dok je jo\u0161 vru\u0107ina.<\/li>\n<li><strong>Gravitaciona sag:<\/strong> toplota se digne, pa se vrh horizontalnog vratila hladi br\u017ee nego dno.<\/li>\n<li><strong>Toplinska sag savijanja:<\/strong> dno ostaje vru\u0107e du\u017ee, pa se vratilo savija nani\u017ee.<\/li>\n<li><strong>Kriti\u010dan period:<\/strong> prvih nekoliko sati nakon ga\u0161enja.<\/li>\n<\/ul>\n<h3>3.3 Uzroci pri radu<\/h3>\n<ul>\n<li><strong>Trenje rotor\u2013stator:<\/strong> trenje od kontakta generi\u0161e intenzno lokalno zagrevanje \u2014 samorasprostiraju\u0107i mehanizam koji se istra\u017euje pod <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/rotor-rub\/\">rotor rub<\/a>.<\/li>\n<li><strong>Neravnomerno hla\u0111enje:<\/strong> asimetri\u010dni tok hla\u0111enja vazduha ili vodeni sprej.<\/li>\n<li><strong>Solar heating:<\/strong> outdoor oprema sa suncem na jednoj strani.<\/li>\n<li><strong>Poreme\u0107aji procesa:<\/strong> nagla promena temperature u radnom fluidu.<\/li>\n<\/ul>\n<p>The rub case deserves special caution. A light rub heats one spot, which bows the shaft, which presses that spot harder against the seal, which heats it further \u2014 a runaway feedback loop (sometimes called the Newkirk effect) that can spiral a minor contact into severe vibration within minutes.<\/p>\n<h2>4. Simptomi i detekcija<\/h2>\n<h3>4.1 Karakteristike vibracije<\/h3>\n<p>Toplinska sag savijanja proizvodi specifi\u010dan skup simptoma:<\/p>\n<ul>\n<li><strong>Frequency:<\/strong> 1\u00d7 brzina obrtanja \u2014 klasi\u010dna <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/synchronous-vibration\/\">sinkrone vibracije<\/a>.<\/li>\n<li><strong>Timing:<\/strong> visoka tokom zagrevanja, padaju\u0107a kako se dosti\u017ee toplinska ravnote\u017ea.<\/li>\n<li><strong>Phase changes:<\/strong> the <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/phase-angle\/\">phase angle<\/a> pomeranja kako se nagib razvija, a zatim re\u0161ava.<\/li>\n<li><strong>Vibracija pri sporom okretanju:<\/strong> visoka vibracija \u010dak i pri vrlo niskoj brzini, za razliku od <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a>.<\/li>\n<li><strong>Appearance:<\/strong> izgleda kao nebalansirani rotator, ali zavisi od temperature.<\/li>\n<\/ul>\n<h3>4.2 Razlikovanje termi\u010dkog savijanja od neubalansiranoga<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Characteristic<\/th>\n<th>Unbalance<\/th>\n<th>Thermal Bow<\/th>\n<\/tr>\n<tr>\n<td>Frequency<\/td>\n<td>1\u00d7 brzinu vrtnje<\/td>\n<td>1\u00d7 brzinu vrtnje<\/td>\n<\/tr>\n<tr>\n<td>Osetljivost na temperaturu<\/td>\n<td>Relativno stabilna<\/td>\n<td>Visoka tokom zagrevanja\/hla\u0111enja<\/td>\n<\/tr>\n<tr>\n<td>Spora rotacija (50\u2013200 RPM)<\/td>\n<td>Vrlo mala amplituda<\/td>\n<td>High amplitude<\/td>\n<\/tr>\n<tr>\n<td>Faza nasuprot temperaturi<\/td>\n<td>Constant<\/td>\n<td>Menja se kako se nagib razvija<\/td>\n<\/tr>\n<tr>\n<td>Persistence<\/td>\n<td>Konstantna u svim uslovima<\/td>\n<td>Privremena, re\u0161ava se na termi\u010dkoj ravnote\u017ei<\/td>\n<\/tr>\n<tr>\n<td>Odgovor na Balansiranje<\/td>\n<td>Vibracija smanjena<\/td>\n<td>Minimalno ili nikakvo pobolj\u0161anje<\/td>\n<\/tr>\n<\/table>\n<p>Crtanje amplitude i faze prema vremenu \u2014 ili prema temperaturi le\u017eaja \u2014 pretvara te redove tabele u nepogre\u0161ivu sliku: vektor koji se ljulja kako se rotor zagrejava, a zatim smiruje, jeste termi\u010dko savijanje, dok vektor koji miruje jeste nebalansiranosi. A <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/polar-plot\/\">polar plot<\/a> hva\u0107eno tokom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/startup-vibration\/\">startup<\/a> prikazuje ovu migraciju na prvi pogled.<\/p>\n<h3>4.3 Dijagnosti\u010dki testovi<\/h3>\n<h4>4.3.1 Test vibracije pri sporom okretanju<\/h4>\n<ul>\n<li>Rotirajte vratilo na 5\u201310% radne brzine.<\/li>\n<li>Izmjerite vibracije i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/run-out\/\">run-out<\/a>.<\/li>\n<li>Visoke vibracije pri malim okretajima ukazuju na termi\u010dki ili mehani\u010dki zamor, ne na neravnote\u017eu, \u010dija je sila zanemarljiva pri tako maloj brzini.<\/li>\n<\/ul>\n<h4>4.3.2 Nadgledanje temperature<\/h4>\n<ul>\n<li>Nadgledajte temperaturu vratila ili le\u017eaja tijekom pokretanja, po mogu\u0107nosti s namjenskom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/temperature-sensor\/\">senzor temperature<\/a> na nekoliko to\u010daka.<\/li>\n<li>Izmjerite temperaturu na vi\u0161e lokacija oko oboda le\u017eaja.<\/li>\n<li>Usporedite promjene vibracija s mjerenim gradijentima temperature.<\/li>\n<\/ul>\n<h4>4.3.3 Pra\u0107enje vibracija tijekom pokretanja<\/h4>\n<ul>\n<li>Ucrtajte amplitudu vibracija u odnosu na vrijeme tijekom zagrijavanja.<\/li>\n<li>Termi\u010dki zamor: visok u po\u010detku, zatim se smanjuje kako se dosti\u017ee ravnote\u017ea.<\/li>\n<li>Neravnote\u017ea: raste s brzinom i neovisna je o temperaturi.<\/li>\n<\/ul>\n<h2>5. Strategije prevencije<\/h2>\n<h3>5.1 Operativni postupci<\/h3>\n<h4>5.1.1 Ispravan postupak zagrijavanja<\/h4>\n<ul>\n<li><strong>Postepeno pove\u0107anje temperature:<\/strong> omogu\u0107ite vratilu da se jednoliko zagrijava.<\/li>\n<li><strong>Produ\u017eeno vrijeme zagrijavanja:<\/strong> velika turbina mo\u017ee trebati 2\u20134 sata.<\/li>\n<li><strong>Nadzor temperature:<\/strong> pratite temperature le\u017eaja i ku\u0107i\u0161ta.<\/li>\n<li><strong>Nadzor vibracijskih amplitude:<\/strong> pratite vibracije tijekom zagrijavanja i odlo\u017eite pove\u0107anje brzine ako su visoke.<\/li>\n<\/ul>\n<h4>5.1.2 Rad mehanizma rotacije<\/h4>\n<ul>\n<li>Za velike turbine, pokrenite mehanizam rotacije (spora rotacija, oko 3\u201310 okr\/min) tijekom zagrijavanja i hla\u0111enja.<\/li>\n<li>Kontinuirana rotacija sprje\u010dava toplinsko savijanje ravnomjerno distribuiraju\u0107i toplinu po opsegu.<\/li>\n<li>To je industrijska standardna praksa za turbine s parom iznad 50 MW.<\/li>\n<li>Mehanizam rotacije mo\u017ee raditi 8\u201324 sata tijekom hla\u0111enja.<\/li>\n<\/ul>\n<h4>5.1.3 Proceduri zaustavljanja<\/h4>\n<ul>\n<li><strong>Postupno hla\u0111enje:<\/strong> sporo smanjujte optere\u0107enje i temperaturu prije zaustavljanja.<\/li>\n<li><strong>Produ\u017eena rotacija:<\/strong> dr\u017eite rotor u rotaciji dok se hladi.<\/li>\n<li><strong>Izbjegavajte gore\u0107a zaustavljanja:<\/strong> nu\u017ena zaustavljanja ostavljaju osovinu vru\u0107om i sklonom propadu.<\/li>\n<\/ul>\n<h3>5.2 Mjere pri projektiranju<\/h3>\n<ul>\n<li><strong>Toplinska izolacija:<\/strong> izolirajte ku\u0107i\u0161ta da zadr\u017eite ujedna\u010denu temperaturu.<\/li>\n<li><strong>Grija\u010di omota\u010da:<\/strong> vanjski grija\u010di za ujedna\u010deno predhrijavanje.<\/li>\n<li><strong>Drainage:<\/strong> sprije\u010dite nakupljanje vru\u0107eg kondenzata na dnu osovine.<\/li>\n<li><strong>Ventilation:<\/strong> osigurajte simetri\u010dan tok rashladnog zraka.<\/li>\n<\/ul>\n<h2>6. Posljedice termi\u010dkog savijanja<\/h2>\n<h3>6.1 Neposredni efekti<\/h3>\n<ul>\n<li><strong>Visoka vibracijska amplituda:<\/strong> mo\u017ee dosegnuti 5\u201310\u00d7 normalne razine tijekom zagrijavanja, i dramati\u010dno se poja\u010dava ako savijanje prisili rotor kroz <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/critical-speed\/\">critical speed<\/a>.<\/li>\n<li><strong>Optere\u0107enje le\u017eajeva:<\/strong> asimetri\u010dno savijanje pove\u0107ava optere\u0107enja le\u017eajeva.<\/li>\n<li><strong>Seal rubs:<\/strong> defleksija vratila mo\u017ee uzrokovati dodir sa brtvama ili drugim nepomi\u010dnim dijelovima.<\/li>\n<li><strong>Ka\u0161njenja pri pokretanju:<\/strong> posada mora \u010dekati da se vibracije smire prije pove\u0107anja brzine.<\/li>\n<\/ul>\n<h3>6.2 Dugoro\u010dna o\u0161te\u0107enja<\/h3>\n<ul>\n<li><strong>Bearing wear:<\/strong> ponavljana visoka vibracija ubrzava <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-wear\/\">bearing wear<\/a>.<\/li>\n<li><strong>Seal damage:<\/strong> ponavljani kontakti uni\u0161tavaju komponente brtvi.<\/li>\n<li><strong>Fatigue:<\/strong> cikli\u010dni savijaju\u0107i naprezani svakog pokretanja doprinosi <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/fatigue\/\">fatigue<\/a> tijekom radnog vijeka rotora.<\/li>\n<li><strong>Permanent set:<\/strong> ozbiljno ili ponavljano termi\u010dko savijanje mo\u017ee na kraju uzrokovati trajnu plasti\u010dnu deformaciju \u2014 kada je reverzibilni kvar postao permanentan <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/shaft-bow\/\">shaft bow<\/a>.<\/li>\n<\/ul>\n<h2>7. Korekcija i ubla\u017eavanje<\/h2>\n<h3>7.1 For Active Thermal Bow<\/h3>\n<ul>\n<li><strong>Allow time:<\/strong> \u010dekajte termi\u010dku ravnote\u017eu prije pove\u0107anja brzine.<\/li>\n<li><strong>Slow roll:<\/strong> rotujte sporo da biste preredistribuirali toplinu gdje je mogu\u0107e.<\/li>\n<li><strong>Nemojte poku\u0161avati uravnote\u017eavanje:<\/strong> <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/balancing\/\">balansiranje<\/a> ne mo\u017ee korigirati termi\u010dko savijanje i biti \u0107e neu\u010dinkovito.<\/li>\n<li><strong>Rije\u0161ite se izvora topline:<\/strong> identificirajte i uklonite asimetri\u010dko zagrijavanje.<\/li>\n<\/ul>\n<h3>7.2 Za termi\u010dku deformaciju rotora (nakon ga\u0161enja)<\/h3>\n<ul>\n<li><strong>Turning gear:<\/strong> odr\u017eavajte rotor u sporom okretanju tijekom cijelog hla\u0111enja.<\/li>\n<li><strong>Produ\u017eeno vrijeme okretanja:<\/strong> 12\u201324 sata rada pomo\u0107nog ure\u0111aja za okretanje mo\u017ee biti potrebno.<\/li>\n<li><strong>Nadzor temperature:<\/strong> nastavljajte dok temperatura vratila nije ujedna\u010dena.<\/li>\n<li><strong>Odgo\u0111eni restart:<\/strong> ako se deformacija razvila, \u010dekajte prirodno ispravljanje prije ponovnog pokretanja.<\/li>\n<\/ul>\n<h2>8. Razmatranja specifi\u010dna za industriju<\/h2>\n<h3>8.1 Parni turbini<\/h3>\n<ul>\n<li>Najosetljivije ma\u0161ine, zbog visokih temperatura i masivnih rotora.<\/li>\n<li>Detaljne procedure zagrijavanja i hla\u0111enja su standardna praksa.<\/li>\n<li>Ure\u0111aj za okretanje je obavezan za jedinice iznad 50 MW.<\/li>\n<li>Mogu trebati 2\u20134 sata zagrijavanja i 12\u201324 sata hla\u0111enja sa ure\u0111ajem za okretanje.<\/li>\n<\/ul>\n<h3>8.2 Plinski turbini<\/h3>\n<ul>\n<li>Br\u017ei termi\u010dki odgovore zbog njihove manje mase rotora.<\/li>\n<li>Termi\u010dka deformacija rotora pri pokretanju je manja, ali i dalje mogu\u0107a.<\/li>\n<li>Zagrijavanje na strani sagorijevanja mo\u017ee stvoriti cirkumferencijalne asimetrije.<\/li>\n<li>Ciklusi zagrijavanja su obi\u010dno br\u017ei nego za parne turbine.<\/li>\n<\/ul>\n<h3>8.3 Veliki elektri\u010dni motori i generatori<\/h3>\n<ul>\n<li>Termi\u010dki savija\u010d mo\u017ee nastati od toplote motora-namotaja ili trenja le\u017eaja.<\/li>\n<li>Spoljne instalacije su izlo\u017eene solarnom zagrevanju na jednoj strani.<\/li>\n<li>Mo\u017ee biti potrebno hladnjenje pre pokretanja ili zagrevanje.<\/li>\n<\/ul>\n<h2>9. Nadzor i alarmiranje<\/h2>\n<h3>9.1 Klju\u010dni parametri nadzora<\/h3>\n<ul>\n<li><strong>Vibracija pri sporom okretanju:<\/strong> meriti pri maloj brzini pre normalnog pokretanja.<\/li>\n<li><strong>Temperaturna razlika le\u017eaja:<\/strong> porediti gornje i donje temperature.<\/li>\n<li><strong>Vibracija u odnosu na temperaturu:<\/strong> nacrtati amplitudu prema temperaturi le\u017eaja.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/phase\/\">Phase angle<\/a>:<\/strong> pratiti promene faze koje signaliziraju razvijaju\u0107i se savija\u010d.<\/li>\n<\/ul>\n<h3>9.2 Kriterijumi alarmiranja<\/h3>\n<ul>\n<li>Vibracija pri polako rolanju ve\u0107a od 2\u00d7 bazne vrednosti pokreta\u010d alarm.<\/li>\n<li>Temperaturna razlika ve\u0107a od 15\u201320\u00b0C ukazuje na termi\u010dki neuravnote\u017eenost.<\/li>\n<li>Rapid phase changes (more than 30\u00b0 in 10 minutes) suggest a developing bow.<\/li>\n<li>Vibracija koja se pove\u0107ava tokom zagrevanja umesto da se smanjuje.<\/li>\n<\/ul>\n<p>Ovi kriterijumi se prirodno uklapaju u \u0161iru <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/condition-monitoring\/\">pra\u0107enje stanja stroja<\/a> program, gde se podaci pokretanja i hladnjenja prikupljaju kao <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/transient-vibration\/\">prolaznu vibraciju<\/a> zapise umesto snimaka stacionarnog stanja.<\/p>\n<h2>10. Napredne strategije pokretanja<\/h2>\n<h3>10.1 Kontrolisano Ubrzavanje<\/h3>\n<ol>\n<li><strong>Po\u010detni spora rotacija:<\/strong> proveri prihvatljivu vibraciju na 100\u2013200 o\/min.<\/li>\n<li><strong>Postepeno ubrzavanje:<\/strong> pove\u0107aj na me\u0111ubraje (na primjer 30%, 50%, 70% normalnog) sa pauzama.<\/li>\n<li><strong>Toplinski periodi mirovanja:<\/strong> hold a constant speed for 15\u201330 minutes at each stage.<\/li>\n<li><strong>Provera vibracije:<\/strong> potvrdi da vibracija opada na svakoj etapi pre nego \u0161to nastavi\u0161.<\/li>\n<li><strong>Nadzor temperature:<\/strong> osiguraj da se toplinski gradijenti smanjuju tokom vremena.<\/li>\n<\/ol>\n<h3>10.2 Automatizovani Sistemi Pokretanja<\/h3>\n<p>Moderni kontrolni sistemi mogu automatizovati upravljanje toplinskim savijanjem:<\/p>\n<ul>\n<li>Programabilne sekvence zagrevanja.<\/li>\n<li>Automatske pause ako se prema\u0161e granice vibracije ili temperature.<\/li>\n<li>Prora\u010dun veli\u010dine savijanja iz vibracije i temperature u realnom vremenu.<\/li>\n<li>Adaptivni profili brzine na osnovu izmerenih uslova.<\/li>\n<\/ul>\n<h2>11. Veza sa Drugim Fenomenima<\/h2>\n<h3>11.1 Toplinsko Savijanje naspram Trajnog Savijanja<\/h3>\n<ul>\n<li><strong>Thermal bow:<\/strong> privremeno, nestaje pri toplinskoj ravnote\u017ei.<\/li>\n<li><strong>Permanent bow:<\/strong> plasti\u010dna deformacija koja ostaje \u010dak i kada je vratilo hladno.<\/li>\n<li><strong>Risk:<\/strong> ponavljano intenzivno toplinsko savijanje mo\u017ee na kraju uzrokovati trajnu deformaciju.<\/li>\n<\/ul>\n<h3>11.2 Termalna deformacija i balansiranje<\/h3>\n<ul>\n<li>Attempting to <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/balancing\/\">balance<\/a> rotor dok je termalno deformiran je uzaludno.<\/li>\n<li>Korigovane te\u017eine izra\u010dunate za deformisano stanje \u0107e biti pogre\u0161ne kada se dostigne ravnote\u017ea.<\/li>\n<li>Uvijek dozvolite termi\u010dku stabilizaciju prije balansiranja.<\/li>\n<li>Termalna deformacija mo\u017ee tako\u0111er maskirati genujinu osnovnu neravnote\u017eu.<\/li>\n<\/ul>\n<p>Upravo zato \u0161to polsko balansiranje mora \u010dekati na stabilno termalno stanje. Kada je rotor i\u0161ao na brzini i pokus usporog okretanja potvrdi da radi savr\u0161eno, prenosivi dvokanalski analizator kao \u0161to je <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> mo\u017ee izmjeriti amplitudu 1\u00d7 i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/phase\/\">phase<\/a>, compute the <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/influence-coefficient\/\">koeficijenti utjecaja<\/a>, te provjeriti finalno <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/residual-unbalance\/\">rezidualnu neuravnote\u017eenost<\/a> against an <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> stupanj \u2014 hvataaju\u0107i pravo vru\u0107e-pogonsko stanje ravnote\u017ee koje ma\u0161ina za balansiranje u hladnom stanju nikada ne vidi. Dopu\u0161tena ostatna vrijednost za posao mo\u017ee se unaprijed izra\u010dunati sa <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/residual-unbalance-iso1940\/\">Kalkulator rezidualne nebalanciranosti (ISO 21940-11)<\/a>.<\/p>\n<h2>12. Najbolje prakse prevencije<\/h2>\n<h3>12.1 Za nove instalacije<\/h3>\n<ul>\n<li>Konstruirajte simetri\u010dne sisteme grijanja i hla\u0111enja.<\/li>\n<li>Instalirajte turning gear za opreme iznad 100 kW ili sa osom du\u017eom od 2 metra.<\/li>\n<li>Omogu\u0107ite adekvatno dreniranje da biste sprije\u010dili akumulaciju vru\u0107eg fluida.<\/li>\n<li>Izolirajte kako biste minimizirali prijenos radijantne topline.<\/li>\n<\/ul>\n<h3>12.2 Za postoje\u0107u opremu<\/h3>\n<ul>\n<li>Razvijte i strogo pratite pisane procedure zagrijavanja.<\/li>\n<li>Osposobite operatere o rizicima termalne deformacije i simptomima.<\/li>\n<li>Instalirajte nadzor temperature na vi\u0161estrukim lokacijama.<\/li>\n<li>Koristite trendovanje vibracija tijekom pokretanja kako biste otkrili termalne probleme.<\/li>\n<li>Dokumentovati istorijske podatke kako bi se procedura tokom vremena usavr\u0161ile.<\/li>\n<\/ul>\n<h3>12.3 Prakse odr\u017eavanja<\/h3>\n<ul>\n<li>Provjerite rad okretnog mehanizma prije svakog ga\u0161enja.<\/li>\n<li>Provjerite kalibraciju senzora temperature le\u017eaja.<\/li>\n<li>Inspektirajte sisteme dreniranja na zapreke.<\/li>\n<li>Provjerite integritet izolacije.<\/li>\n<li>Prona\u0111ite i uklonite svaki izvor asimetri\u010dnog zagrijavanja.<\/li>\n<\/ul>\n<p>Termalna deformacija, mada privremena i reverzibilna, predstavlja zna\u010dajnu operativnu te\u017einu za veliku rotiraju\u0107u ma\u0161ineriju. Razumijevanje njenih uzroka, prepoznavanje njezinih simptoma i pravilno slijedi procedura zagrijavanja i hla\u0111enja klju\u010dni su za pouzdanu operaciju parnih turbina, gasnih turbina i druge rotiraju\u0107e opreme visokih temperatura \u2014 i za odre\u0111ivanje, u tom trenutku, razlike izme\u0111u rotora koji jednostavno trebapovremena da se smiri i onog koji se doista trebanja balansirati.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte o termi\u010dkom savijanju, privremenom savijanju vratila izazvanom neravnomjernim zagrijavanjem koje proizvodi vibracije tijekom zagrijavanja, \u010desto se javlja u velikim turbinama i motorima.<\/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\/bs\/wp-json\/wp\/v2\/glossary\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/268\/revisions"}],"predecessor-version":[{"id":101463,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/268\/revisions\/101463"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}