{"id":116,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/fatigue\/"},"modified":"2026-05-23T22:51:15","modified_gmt":"2026-05-23T22:51:15","slug":"fatigue","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/bs\/glossary\/fatigue\/","title":{"rendered":"\u0160to je mehani\u010dki umor? Kvar od ciklo\u0161kog naprezanja"},"content":{"rendered":"<h1>Razumijevanje mehani\u010dkog umora<\/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\/116?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\/116?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\/116?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\/116?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\/116?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\/116?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\/116?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\/116?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 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\/magnet-stand\/\" title=\"Magnetno postolje Insize-60-kgf\">Magnetno postolje 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> + 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\/116?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=\"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\/116?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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\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_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\/bs\/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\/bs\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">\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=\"Reflektiraju\u0107a traka\" 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\/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\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">Reflektiraju\u0107a traka<\/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> + 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\/116?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=\"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\/116?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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\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_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\/bs\/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\/bs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d 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=\"Balanset-1A sadr\u017eaj seta sa interfejsnom jedinicom, senzorima, tahometrom i dodatnom opremom\" 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\/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\/116?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\/116?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>Mehani\u010dki umor<\/strong> (poznat i kao umor materijala, ili jednostavno umor) je progresivno, lokalizirano strukturno o\u0161te\u0107enje koje se razvija kada je materijal izlo\u017een ponavljanim ciklima naprezanja ili deformacije \u2014 \u010dak i kada vrhunsko naprezanje u svakom ciklusu le\u017ei komfortno ispod krajnje vla\u010dne \u010dvrsto\u0107e ili \u010dvrsto\u0107e na granici razvla\u010denja materijala. Mikroskopske pukotine inicijaliziraju se i rastu tijekom tisu\u0107a, milijuna, ili \u010dak milijardi ciklusa dok preostali presjek vi\u0161e ne mo\u017ee nositi optere\u0107enje i dio se lomi, \u010desto bez vidljivog upozorenja. U rotiraju\u0107im strojevima to je jedan naj\u010de\u0161\u0107i na\u010din kvarenja, tiho skra\u0107uju\u0107i vijek trajanja <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/rotor\/\">rotori<\/a>, vratila, zup\u010danika, <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-defects\/\">bearings<\/a>, pri\u010dvr\u0161\u0107ivanja i potpornih struktura, i vodi ga izravno ciklu\u010dko naprezanja koja <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> name\u0107e na ma\u0161inu.<\/p>\n<h2>1. Definicija: \u0160ta je Zamor \u2014 i Za\u0161to je Toliko Opasan<\/h2>\n<p>Zamor je podmukl\u0458an upravo zato \u0161to naru\u0161ava intuiciju da je dio &#8220;siguran&#8221; ako jedno optere\u0107enje nikada ne prekora\u010di njegovu nominalnu \u010dvrsto\u0107u. Prika <em>repeated<\/em> optere\u0107enja, naprezanje koje je bezopasno kada se primijeni jednom mo\u017ee biti smrtonosno kada se primijeni deset miliona puta. O\u0161te\u0107enje se nakuplja neprimjetno, dio ne pokazuje o\u010dit znak nevolje, i tada se iznenada pukne tijekom normalnog rada. Budu\u0107i da rotiraju\u0107a oprema neprekidno ciklira svoje komponente \u2014 vratilo vidi jedan potpuni ciklus naprezanja sa svakim okretajem \u2014 \u010dak i skromno <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a> ili <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/misalignment\/\">misalignment<\/a> mo\u017ee nakupiti ogromnu broj ciklusa u roku od nekoliko tjedana. Razumijevanje zamora je stoga fundamentalno za sigurnost ma\u0161irnskog projektiranja i zdravo svakodnevno rukovanje.<\/p>\n<h2>2. Tri Faze Loma Uslijed Zamora<\/h2>\n<p>Lom uslijed zamora nije jedan slu\u010daj ve\u0107 niz koji se odvija tijekom vijeka dijela. Uobi\u010dajeno se dijeli na tri faze.<\/p>\n<h3>Faza 1: Iniciranje Pukotine<\/h3>\n<ul>\n<li><strong>Location:<\/strong> Pukotine po\u010dinju na koncentratorima naprezanja \u2014 otvorima, zaobljenim kutovima, jarbolima za klju\u010d, znakovima obrade ili povr\u0161inskim gre\u0161kama \u2014 gdje je lokalno naprezanje poja\u010dano.<\/li>\n<li><strong>Mechanism:<\/strong> Ponavljana lokalizirana plasti\u010dna deformacija oblikuje mikroskopsku pukotinu, obi\u010dno manju od 0,1 mm.<\/li>\n<li><strong>Duration:<\/strong> Na glatkim, dobro zavr\u0161enim povr\u0161inama, iniciranje mo\u017ee tro\u0161iti 50\u201390% ukupnog vijeka zamora.<\/li>\n<li><strong>Detection:<\/strong> Izuzetno te\u0161ko; po\u010devna pukotina je obi\u010dno nedetekcijska tokom kori\u0161tenja.<\/li>\n<\/ul>\n<h3>Faza 2: Propagacija Pukotine<\/h3>\n<ul>\n<li><strong>Proces:<\/strong> Pukotina napreduje za mali prirast sa svakim ciklom naprezanja.<\/li>\n<li><strong>Rate:<\/strong> Rast slijedi Parisov zakon \u2014 brzina rasta pukotine je proporcionalna rasponu faktora intenziteta naprezanja podignutom na stepen.<\/li>\n<li><strong>Appearance:<\/strong> Glatka, obi\u010dno polukru\u017ena ili elipti\u010dna fronta pukotine.<\/li>\n<li><strong>Beach marks:<\/strong> Koncentri\u010dni &#8220;\u0161koljkasti&#8221; obrasci na povr\u0161ini loma evidentiraju uzastopne stadije rasta pukotine i predstavljaju klasi\u010dni otisak zamora.<\/li>\n<li><strong>Duration:<\/strong> \u010cesto 10\u201350% ukupnog vijeka.<\/li>\n<\/ul>\n<h3>Faza 3: Kona\u010dan Lom<\/h3>\n<ul>\n<li>Pukotina dosti\u017ee kriti\u010dnu veli\u010dinu pri kojoj preostali ligament ne mo\u017ee vi\u0161e podr\u017eavati optere\u0107enje.<\/li>\n<li>Rezidualni popre\u010dni presjek se naglo i katastrofalno lomi.<\/li>\n<li>Ova zona finalnog loma je hrapava i nepravilna, \u0161to o\u0161tro kontrastira s glatkom, poliranom zonom zamora.<\/li>\n<li>Gotovo uvijek se javlja bez upozorenja, tijekom ina\u010de normalnog rada.<\/li>\n<\/ul>\n<p>\u010citanje razlomljenog dijela unatrag \u2014 od hrapave zone preoptere\u0107enja, kroz obalne markacije, do to\u010dke inicijacije \u2014 je temeljna vje\u0161tina analize otkaza i \u010desto to\u010dno identificira koje je koncetracijsko stresno mjesto pokrenulo problem.<\/p>\n<h3>Zamar visokog ciklusa nasuprot zamoru niskog ciklusa<\/h3>\n<p>In\u017eenjeri dalje razlikuju <strong>zamar visokog ciklusa<\/strong> (niska stresanja, uglavnom elasti\u010dno pona\u0161anje, \u017eivotni vijek iznad otprilike 10\u2074\u201310\u2075 ciklusa \u2014 re\u017eim ve\u0107ine dijelova rotacijske ma\u0161ine) od <strong>zamar niskog ciklusa<\/strong> (visoka stresanja sa zna\u010dajnom plasti\u010dnom deformacijom svakog ciklusa, kratki radni vijekovi, tipi\u010dni za toplinsko-cikliranje i te\u0161ko prijelazno optere\u0107enje). \u010celik \u010desto pokazuje <em>granicu izdr\u017eljivosti<\/em> \u2014 stresanje ispod kojeg \u017eivot zamora postaje efektivno neograni\u010den \u2014 dok mnoge aluminijske i ne\u017eeljezne legure nemaju pravu granicu izdr\u017eljivosti i na kraju \u0107e se otkazati pri bilo kojoj amplitudi stresanja.<\/p>\n<h2>3. Zamar u rotacijskoj ma\u0161ineriji<\/h2>\n<h3>Shaft Fatigue<\/h3>\n<ul>\n<li><strong>Cause:<\/strong> Stresanja savijanja od neuravnote\u017ee, neuskla\u0111enosti ili popre\u010dnih optere\u0107enja.<\/li>\n<li><strong>Stress cycle:<\/strong> Vrtljiva osovina pod fiksnim optere\u0107enjem savijanja do\u017eivljava potpuno obrnuto stresanje svake revolucije (potpuno obrnuto, zamar rotacije-savijanja).<\/li>\n<li><strong>Uobi\u010dajene lokacije:<\/strong> Utori za pero, promjene promjera, razporednici i pritisni ukona\u010davanje \u2014 sve koncetracije stresanja.<\/li>\n<li><strong>Typical life:<\/strong> 10\u2077 do 10\u2079 ciklusa, \u0161to odgovara godinama rada.<\/li>\n<li><strong>Detection:<\/strong> A propagating transverse crack opens and closes once per revolution, producing the characteristic 1\u00d7 and 2\u00d7 <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/shaft-crack\/\">shaft-crack<\/a> vibracijski potpis; stati\u010dko savijanje se \u010desto s njim brka\u010de, pa se pona\u0161anje faze kroz <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/critical-speed\/\">critical speed<\/a> mora provjeriti.<\/li>\n<\/ul>\n<h3>Zamor Le\u017eaja<\/h3>\n<ul>\n<li><strong>Mechanism:<\/strong> Zamor od valjnog kontakta izazvan cikli\u010dkim Hertzovim kontaktnim naprezanjima ispod povr\u0161ine.<\/li>\n<li><strong>Result:<\/strong> <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/spalling\/\">Spalling<\/a> \u2014 lju\u0161tenje trka\u010da ili valjnih elemenata.<\/li>\n<li><strong>L10 life:<\/strong> Srednja \u017eivotna dob pri kojoj \u0107e 10% populacije le\u017eaja biti neispravno zbog zamora od valjnog kontakta; ovo je standardna osnova za projektovanje.<\/li>\n<li><strong>Detection:<\/strong> Kada po\u010dne ispupljavanje, karakteristi\u010dni <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-fault-frequencies\/\">frekvencijama kvarova le\u017eajeva<\/a> pojavljuju se u spektru i u <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/envelope-analysis\/\">analizan plasmana<\/a>.<\/li>\n<\/ul>\n<h3>Zamor Zuba Zup\u010danika<\/h3>\n<ul>\n<li><strong>Savojni zamor:<\/strong> Pukotine se inicijalizuju na fileteu u korenu zuba, oblasti sa najve\u0107im naprezanjem optere\u0107enog zuba.<\/li>\n<li><strong>Zamor od kontakta:<\/strong> Surface <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/pitting\/\">pitting<\/a> i lju\u0161tenje na povr\u0161ini zahvata.<\/li>\n<li><strong>Cycles:<\/strong> Svaki zahvat zup\u010danika je jedan ciklus naprezanja, tako da se brojanje ciklusa brzo pove\u0107ava.<\/li>\n<li><strong>Failure:<\/strong> Potpuno lomljenje zuba ili progresivna degradacija povr\u0161ine, oba vidljiva u <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/gear-mesh-frequency\/\">frekvencija zahvata zubaca<\/a> i njegovu boka\u017eivu opsegu.<\/li>\n<\/ul>\n<h3>Zamor Zavrtnja<\/h3>\n<ul>\n<li>Vijci pod naizmjeni\u010dnim optere\u0107enjem od vibracija su klasi\u010dni \u017ertve zamora.<\/li>\n<li>Pukotine se obi\u010dno inicijalizuju na prvom zahva\u0107enom navoju unutar matice, ta\u010dki najve\u0107e koncentracije naprezanja.<\/li>\n<li>Neuspjeh je nagao i bez vidljivog upozorenja.<\/li>\n<li>Neuspjeh pridr\u017eavaju\u0107eg ili spojnog vijka mo\u017ee dovesti do odvajanja opreme ili kolapsa, \u010dine\u0107i zamor zavrtnja pravim pitanjem sigurnosti.<\/li>\n<\/ul>\n<h3>Zamor Strukture<\/h3>\n<ul>\n<li>Frames, <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-pedestal\/\">pedestals<\/a> i zavareni spojevi podnose ciklisti\u010dko optere\u0107enje od vibracija ma\u0161ine.<\/li>\n<li>Vibracije stvaraju naizmeni\u010dne napone koji pokre\u0107u proces.<\/li>\n<li>Pukotine preferiraju zavarene spojeve, uglove i geometrijske diskontinuitete.<\/li>\n<li>Rezultat je progresivno propadanje same strukture koja podrr\u017eava ma\u0161inu \u2014 \u0161to pak pogorr\u0161ava <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/looseness\/\">mehani\u010dko labavljenje<\/a> i dalje pove\u0107ava vibracijske, \u0161tetnu povratnu spregu.<\/li>\n<\/ul>\n<h2>4. Faktori koji odre\u0111uju vek zamora<\/h2>\n<h3>Amplituda napona<\/h3>\n<ul>\n<li>Vek zamora pada strm\u043e \u2014 nelinearno \u2014 kako se amplituda napona pove\u0107ava.<\/li>\n<li>Korisna aproksimacija je Vek \u221d 1\/Napon\u207f, gde je n obi\u010dno izme\u0111u 6 i 10.<\/li>\n<li>Prakti\u010dna posledica je duboka: mala redukcija naizmeni\u010dnog napona mo\u017ee da pomno\u017ei vek nekoliko puta.<\/li>\n<li>Po\u0161to je vibracijom indukovani napon naizmeni\u010dna komponenta, <strong>minimizacija vibracija direktno produljava vek zamora<\/strong>.<\/li>\n<\/ul>\n<h3>Mean Stress<\/h3>\n<ul>\n<li>Stalni (srednji) napon nalozen na naizmeni\u010dni napon smanjuje dozvoljenu naizmeni\u010dnu amplitudu.<\/li>\n<li>Ve\u0107i srednji napon smanjuje \u010dvrsto\u0107u zamora (opisano Gudmenovim, Gerberovim ili Sodebergovim dijagramima).<\/li>\n<li>Prethodno optere\u0107ene ili prethodno napete komponente su zato osetljivije.<\/li>\n<\/ul>\n<h3>Koncentracije napona<\/h3>\n<ul>\n<li>Otvori, uglovi, \u017elebovi i navoji lokalno pomnojavi\u010de nominalni napon.<\/li>\n<li>Faktor koncentracije napona (K<sub>t<\/sub>) kvantifikuje to pomno\u017eivanje.<\/li>\n<li>Pukotine se skoro uvek po\u010dinju na tim karakteristikama.<\/li>\n<li>Velikodu\u0161ni radijusi i izbegavanje o\u0161trih uglova su prva linija odbrane.<\/li>\n<\/ul>\n<h3>Stanje povr\u0161ine<\/h3>\n<ul>\n<li>Kvaliteta povr\u0161ine je va\u017ena \u2014 glatke povr\u0161ine pru\u017eaju znatno bolju otpornost na zamor od hrapavih.<\/li>\n<li>Zareze, ogrebotine i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/corrosion\/\">corrosion<\/a> jamice su gotova mjesta za inicijaciju pukotina.<\/li>\n<li>Tretmani kao \u0161to su udarno kaljenje i nitriranje induciraju kompresivna zaostala naprezanja na povr\u0161ini i znatno pobolj\u0161avaju otpornost na zamor.<\/li>\n<\/ul>\n<h3>Environment<\/h3>\n<ul>\n<li><strong>Korozivni zamor:<\/strong> Korozivna okolina ubrzava rast pukotina i mo\u017ee u potpunosti ukloniti granicu izdr\u017eljivosti.<\/li>\n<li><strong>Temperature:<\/strong> Pove\u0107ane temperature op\u0107enito smanjuju \u010dvrsto\u0107u na zamor i dodaju interakciju puzanja.<\/li>\n<li><strong>Frequency:<\/strong> Vrlo visoke ili vrlo niske brzine ciklusa mogu promijeniti pona\u0161anje zamoranog loma, posebno kada je uklju\u010dena korozija ili puzanje.<\/li>\n<\/ul>\n<h2>5. Strategije prevencije tijekom \u017eivotnog ciklusa<\/h2>\n<h3>Design Phase<\/h3>\n<ul>\n<li>Eliminujte ili minimizirajte koncentracije naprezanja s velikim zaobljenjima.<\/li>\n<li>Dizajnirajte s odgovaraju\u0107im faktorima sigurnosti za zamor (obi\u010dno 2\u20134).<\/li>\n<li>Odaberite materijale s dobrim svojstvima zamoranog loma.<\/li>\n<li>Koristite analizu kona\u010dnih elemenata za lociranje regija visokog naprezanja, i gdje je mogu\u0107e izbjegavajte otvore i zareze u njima.<\/li>\n<\/ul>\n<h3>Manufacturing<\/h3>\n<ul>\n<li>Pobolj\u0161ajte kvalitetu povr\u0161ine na kriti\u010dnim, visoko napregnutim dijelovima.<\/li>\n<li>Primijenite tretmane povr\u0161ine kao \u0161to su udarno kaljenje i cementiranje.<\/li>\n<li>Koristite odgovaraju\u0107u toplinsku obradu za razvoj optimalne \u010dvrsto\u0107e na zamor.<\/li>\n<li>Izbjegavajte tragove obrade koji tr\u010de okomito na smjer glavnog naprezanja.<\/li>\n<\/ul>\n<h3>Operation<\/h3>\n<ul>\n<li><strong>Smanjite vibracione:<\/strong> Dobro <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/balancing\/\">balance<\/a> and precision <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/laser-shaft-alignment\/\">poravnanja osovine<\/a> smanjite naizmjeni\u010dna naprezanja pri izvoru.<\/li>\n<li><strong>Izbjegavati preoptere\u0107enje:<\/strong> Raditi u okviru granica projektovanja.<\/li>\n<li><strong>Sprije\u010diti rezonancu:<\/strong> Udaljavati se od kriti\u010dnih brzina gdje <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/resonance\/\">resonance<\/a> mo\u017ee vi\u0161estruko pove\u0107ati dinami\u010dki napor.<\/li>\n<li><strong>Kontrolisati koroziju:<\/strong> Za\u0161titni premazi i inhibitori.<\/li>\n<\/ul>\n<h3>Odr\u017eavanje i monitoring<\/h3>\n<ul>\n<li>Periodi\u010dno inspektovati pukotine koriste\u0107i vizuelne i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/non-destructive-testing\/\">nedestruktivnog testiranja<\/a> methods.<\/li>\n<li>Pratiti vibracije kao najraniji upozor razvijaju\u0107e pukotine.<\/li>\n<li>Povu\u0107i komponente na kraju njihovog izra\u010dunatog vijek zamornosti umjesto \u010dekanja na neuspjeh.<\/li>\n<li>Popraviti o\u0161te\u0107enje povr\u0161ine bez odgode jer je svaka nova ogrebotina budu\u0107i izvor pukotine.<\/li>\n<\/ul>\n<p>Po\u0161to vibracija <em>is<\/em> je naizmjeni\u010dni napor koji zamorenost napaja, \u010duvanje vibracije na niskoj razini je jedan od najefikasnijih mjera sprje\u010davanja zamornosti dostupnih. Na terenu, prijenosni dvokanalski instrument kao \u0161to je <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> omogu\u0107ava tehni\u010daru da balansira rotor u njegovima le\u017eajevima i provjeri da je rezidualnoj 1\u00d7 amplituda pala, direktno smanjuju\u0107i cikli\u010dki savojni napor koji osovina pretrpi u svakoj revoluciji i produ\u017eavaju\u0107i njen vijek zamornosti. Za konkretne brojeve kompromisa, <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/fatigue-life-calculator\/\">S-N \/ Basquin kalkulator vijeka zamornosti<\/a> pokazuje kako strmo raste vijek kako smanjujete amplitudu naprezanja, i <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/centrifugal-force-unbalance\/\">kalkulator centrifugalne sile od neuravnote\u017eenosti<\/a> kvantificira cikli\u010dka sila koju odre\u0111ena koli\u010dina neuravnote\u017eenosti baca na le\u017eajeve i osovinu.<\/p>\n<p>Ukratko, mehani\u010dka zamornost je fundamentalni vid kvarenja koji kumulativnu ciklisti\u010dku \u0161tetu pretvara u naglu, \u010desto katastrofalnu frakturu. Projektovanje bez koncentracija naprezanja, izbor prvih materijala i tretmana, i \u2014 kriti\u010dno \u2014 odr\u017eavanje vibracije na niskoj razini kroz dobar balans i poravnanje su poluge koje je sprje\u010davaju i donose duga\u010dan, pouzdan vijek ma\u0161ina.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Upoznajte se sa mehani\u010dkom zamorom, progresivnom o\u0161te\u0107enjem od ponovljenih ciklusa naprezanja uzrokuju\u0107i pukotine i kvarove u vratilima, zup\u010danicima i strukturama, \u010dak i pri naprezanjima ispod granice elasti\u010dnosti.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-116","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/116","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\/116\/revisions"}],"predecessor-version":[{"id":101382,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/116\/revisions\/101382"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}