{"id":20628,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/axial-fan-defects\/"},"modified":"2026-05-23T22:44:50","modified_gmt":"2026-05-23T22:44:50","slug":"axial-fan-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/axial-fan-defects\/","title":{"rendered":"Ce sunt defectele ventilatorului axial? Probleme cu palele \u0219i fluxul"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor ventilatorului axial<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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 kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii Balanset-1A\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">\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=\"Senzor optic (tahometru cu laser)\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu laser)<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\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=\"Band\u0103 reflectorizant\u0103\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/20628?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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>Defecte ale ventilatorului axial<\/strong> sunt defectele specifice ventilatoarelor cu flux axial, \u00een care aerul se deplaseaz\u0103 paralel cu axa arborelui printr-o elice de tip <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotor<\/a>. Printre acestea se num\u0103r\u0103 erorile legate de unghiul de \u00eenclinare al palelor, deteriorarea distan\u021bei de siguran\u021b\u0103 la v\u00e2rf \u0219i palele <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fatigue\/\">oboseal\u0103<\/a> \u0219i fisurarea, defectarea sistemului de fixare a butucului, blocarea \u00een rota\u021bie \u0219i rezonan\u021bele aerodinamice. Ventilatoarele axiale se deosebesc de cele centrifugale prin traseul fluxului \u0219i distribu\u021bia for\u021belor, ceea ce le expune la moduri de defectare specifice legate de r\u0103sucirea palelor, scurgerea la v\u00e2rf \u0219i varia\u021bia for\u021bei de trac\u021biune axiale. Acestea fac parte din familia mai larg\u0103 a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fan-defects\/\">defecte ale ventilatorului<\/a> dar necesit\u0103 o abordare diagnostic\u0103 specific\u0103.<\/p>\n<p>Ventilatoarele axiale sunt omniprezente \u00een sistemele de \u00eenc\u0103lzire, ventila\u021bie \u0219i aer condi\u021bionat (HVAC), \u00een turnurile de r\u0103cire, \u00een ventilatoarele de tiraj ale centralelor electrice \u0219i \u00een sistemele de ventila\u021bie industrial\u0103. Diametrul mare \u0219i palele relativ u\u0219oare le fac deosebit de vulnerabile la oboseala materialelor provocat\u0103 de vibra\u021bii \u0219i la instabilit\u0103\u021bi aerodinamice \u2014 probleme care se manifest\u0103 clar \u00eentr-un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration-analysis\/\">analiza vibra\u021biilor<\/a> sondaj, atunci c\u00e2nd \u0219tii ce semne s\u0103 cau\u021bi.<\/p>\n<h2>1. Probleme legate de pasul \u0219i unghiul palei<\/h2>\n<h3>Setare incorect\u0103 a pasului<\/h3>\n<ul>\n<li><strong>Ventilatoare cu pas reglabil:<\/strong> unghiul palei este reglabil pentru a optimiza performan\u021ba.<\/li>\n<li><strong>Reglare incorect\u0103:<\/strong> palele sunt reglate la un unghi necorespunz\u0103tor condi\u021biilor de func\u021bionare.<\/li>\n<li><strong>Efecte:<\/strong> performan\u021be slabe, vibra\u021bii puternice \u0219i tendin\u021ba de a intra \u00een desprindere aerodinamic\u0103 (stall).<\/li>\n<li><strong>Setare neuniform\u0103:<\/strong> lamele dispuse la unghiuri diferite distribuie masa \u0219i sarcina aerodinamic\u0103 \u00een mod inegal, cre\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a>.<\/li>\n<\/ul>\n<h3>Deformarea prin r\u0103sucire a lamei<\/h3>\n<ul>\n<li>Pale deformate definitiv sub efectul for\u021belor aerodinamice sau centrifuge.<\/li>\n<li>Unghiurile de curgere modificate, care afecteaz\u0103 negativ performan\u021ba.<\/li>\n<li>O r\u0103sucire asimetric\u0103 care creeaz\u0103 un dezechilibru.<\/li>\n<li>Deformarea termic\u0103 provocat\u0103 de gradientele de temperatur\u0103 din rotor.<\/li>\n<\/ul>\n<h2>2. Probleme privind jocul la v\u00e2rf<\/h2>\n<h3>De ce distan\u021ba dintre palete este esen\u021bial\u0103 la ventilatoarele axiale<\/h3>\n<ul>\n<li>Fluxul se scurge peste v\u00e2rfurile palelor, form\u00e2nd v\u00e2rtejuri de v\u00e2rf.<\/li>\n<li>Eficien\u021ba este foarte sensibil\u0103 la jocul v\u00e2rfului.<\/li>\n<li>Fiecare cre\u0219tere cu 1% a jocului la v\u00e2rf duce la o sc\u0103dere a eficien\u021bei cu aproximativ 1&ndash;2%.<\/li>\n<li>Distan\u021ba liber\u0103 influen\u021beaz\u0103, de asemenea, vibra\u021biile \u0219i performan\u021bele acustice.<\/li>\n<\/ul>\n<h3>Distan\u021b\u0103 excesiv\u0103<\/h3>\n<ul>\n<li><strong>Cauze:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/wear\/\">uzur\u0103<\/a>, deformarea carcasei, deformarea palelor \u0219i dilatarea termic\u0103.<\/li>\n<li><strong>Efecte:<\/strong> sc\u0103derea performan\u021bei, v\u00e2rtejuri mai puternice la v\u00e2rful elicei \u0219i vibra\u021bii mai intense.<\/li>\n<li><strong>Reducere tipic\u0103 la produsele noi:<\/strong> 0,5&ndash;1,5 % din anvergura palei.<\/li>\n<li><strong>Ac\u021biuni necesare:<\/strong> o deformare mai mare de 3% indic\u0103 faptul c\u0103 ventilatorul trebuie \u00eenlocuit sau revizuit.<\/li>\n<\/ul>\n<h3>Frec\u0103ri de v\u00e2rfuri<\/h3>\n<ul>\n<li>V\u00e2rfurile palelor intr\u0103 \u00een contact cu carcasa.<\/li>\n<li>Cauzat de un nivel excesiv de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a>, dilatarea termic\u0103 sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealiniere<\/a>.<\/li>\n<li>Provoac\u0103 zgomot, vibra\u021bii \u0219i deteriorarea palelor \u2014 o form\u0103 localizat\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-rub\/\">frecare rotor<\/a>.<\/li>\n<li>Las\u0103 urme de uzur\u0103 vizibile at\u00e2t pe v\u00e2rfurile palelor, c\u00e2t \u0219i pe carcas\u0103.<\/li>\n<\/ul>\n<h2>3. Defecte structurale ale palei<\/h2>\n<h3>Fisuri de oboseal\u0103<\/h3>\n<ul>\n<li><strong>Loca\u0163ie:<\/strong> baza paletei (\u00een locul \u00een care se fixeaz\u0103 de butuc) \u0219i marginea de atac.<\/li>\n<li><strong>Cauza:<\/strong> sarcini aerodinamice variabile, vibra\u021bii \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/blade-resonance\/\">rezonan\u021ba palei<\/a>.<\/li>\n<li><strong>Detectare:<\/strong> cu penetrant, cu particule magnetice sau cu ultrasunete <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/non-destructive-testing\/\">teste nedistructive<\/a>.<\/li>\n<li><strong>Criticitate:<\/strong> dac\u0103 nu este depistat\u0103, o fisur\u0103 de oboseal\u0103 poate duce la desprinderea paletei \u2014 la aruncarea unei palete \u00eentregi.<\/li>\n<\/ul>\n<h3>Defec\u021biuni ale ata\u0219\u0103rii lamei<\/h3>\n<ul>\n<li>Fisurarea sudurilor la \u00eembinarea dintre pal\u0103 \u0219i butuc.<\/li>\n<li>Accesoriile fixate cu \u0219uruburi se sl\u0103besc.<\/li>\n<li>Fisuri la nivelul racordului de baz\u0103.<\/li>\n<li>Deteriorare progresiv\u0103 dac\u0103 afec\u021biunea nu este depistat\u0103 din timp.<\/li>\n<\/ul>\n<h2>4. Instabilit\u0103\u021bi aerodinamice<\/h2>\n<h3>Blocare rotativ\u0103 (rotating stall)<\/h3>\n<ul>\n<li>Separarea fluxului care se formeaz\u0103 pe unele pale \u0219i se rote\u0219te \u00een jurul spa\u021biului inelar.<\/li>\n<li>Produce <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sub-synchronous\/\">subsincron<\/a> vibra\u021bie la 0,2&ndash;0,5&times; viteza rotorului.<\/li>\n<li>Se produce la debit redus sau \u00een condi\u021bii de rezisten\u021b\u0103 mare la intrare.<\/li>\n<li>Poate fi violent \u0219i poate deteriora palele.<\/li>\n<\/ul>\n<h3>Flutter<\/h3>\n<ul>\n<li>Vibra\u021bia autoexcitat\u0103 a palelor cauzat\u0103 de cuplajul aeroelastic \u2014 o form\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/self-excited-vibration\/\">vibra\u021bie autoexcitat\u0103<\/a>.<\/li>\n<li>Mi\u0219carea palelor modific\u0103 fluxul de aer, iar fluxul de aer, la r\u00e2ndul s\u0103u, determin\u0103 mi\u0219carea palelor.<\/li>\n<li>Se produce la nivelul palei&#8217; <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">frecven\u021b\u0103 natural\u0103<\/a>.<\/li>\n<li>Poate duce la defectarea rapid\u0103 a palei.<\/li>\n<li>Rare, dar cu consecin\u021be catastrofale atunci c\u00e2nd se \u00eent\u00e2mpl\u0103.<\/li>\n<\/ul>\n<h2>5. Semn\u0103turi de vibra\u021bii<\/h2>\n<h3>Frecven\u021ba de trecere a paletei<\/h3>\n<ul>\n<li><strong>Calcul:<\/strong> BPF = num\u0103rul de pale &times; tura\u021bie \/ 60. Po\u021bi calcula acest lucru instantaneu cu ajutorul <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/blade-pass-frequency\/\">Calculator de frecven\u021b\u0103 de trecere a lamei<\/a>.<\/li>\n<li><strong>Ventilatoare axiale:<\/strong> a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/blade-passing-frequency\/\">frecven\u021ba de trecere a paletei<\/a> este adesea mai pronun\u021bat\u0103 \u2014 mai mult dec\u00e2t \u00een cazul ventilatoarelor centrifuge.<\/li>\n<li><strong>Amplitudine crescut\u0103:<\/strong> indic\u0103 probleme legate de distan\u021ba dintre v\u00e2rfuri, deteriorarea lamelor sau probleme de curgere.<\/li>\n<li><strong>Armonice:<\/strong> BPF multiple <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> indic\u0103 probleme legate de lam\u0103 sau de debit.<\/li>\n<\/ul>\n<h3>Dezechilibru<\/h3>\n<ul>\n<li>Se datoreaz\u0103 acumul\u0103rii de depuneri pe pal\u0103, eroziunii sau unghiului de \u00eenclinare neuniform.<\/li>\n<li>Se prezint\u0103 sub forma unei componente de 1&times; tura\u021bia de func\u021bionare.<\/li>\n<li>Corectabil prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a> cu greut\u0103\u021bi montate pe lam\u0103.<\/li>\n<\/ul>\n<h3>Vibra\u021bii legate de blocare<\/h3>\n<ul>\n<li>Componente subsincrone \u00een intervalul 0,2&ndash;0,5&times;.<\/li>\n<li>Amplitudine aleatorie, fluctuant\u0103.<\/li>\n<li>O cre\u0219tere a zgomotului de band\u0103 larg\u0103.<\/li>\n<li>Dispare odat\u0103 cu cre\u0219terea debitului \u2014 un test util de confirmare.<\/li>\n<\/ul>\n<h2>6. Detectarea \u0219i monitorizarea<\/h2>\n<h3>Analiza vibra\u021biilor<\/h3>\n<ul>\n<li>Monitorizarea standard a vibra\u021biilor rulmen\u021bilor.<\/li>\n<li>Evolu\u021bia amplitudinii BPF \u00een timp.<\/li>\n<li>Monitorizarea componentelor subsincrone care indic\u0103 desprinderea aerodinamic\u0103 (stall).<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/axial-vibration\/\">Vibra\u021bii axiale<\/a> m\u0103sur\u0103toare pentru a detecta varia\u021biile for\u021bei axiale.<\/li>\n<\/ul>\n<h3>Monitorizarea performan\u021bei<\/h3>\n<ul>\n<li>M\u0103surarea debitului de aer prin metoda diferen\u021bei de presiune.<\/li>\n<li>Evolu\u021bia consumului de energie.<\/li>\n<li>Calculul eficien\u021bei.<\/li>\n<li>Compara\u021bie cu proiectul sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/baseline\/\">linie de baz\u0103<\/a> performan\u021b\u0103.<\/li>\n<\/ul>\n<h3>Inspec\u0163ie<\/h3>\n<ul>\n<li>Inspec\u021bia vizual\u0103 a lamelor pentru depistarea fisurilor, eroziunii \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/corrosion\/\">coroziune<\/a>.<\/li>\n<li>Verificarea unghiului de \u00eenclinare al palelor.<\/li>\n<li>M\u0103surarea distan\u021bei dintre v\u00e2rfuri.<\/li>\n<li>Inspec\u021bia butucului \u0219i a punctelor de fixare.<\/li>\n<li>Controale nedistructive pentru detectarea fisurilor la ventilatoarele critice.<\/li>\n<\/ul>\n<h2>7. Echilibrarea pe teren \u0219i limitele de vibra\u021bii<\/h2>\n<p>Deoarece un ventilator axial func\u021bioneaz\u0103 pe propriii rulmen\u021bi, cea mai practic\u0103 metod\u0103 de a remedia dezechilibrul dominant de 1&times; este echilibrarea acestuia pe loc, f\u0103r\u0103 a demonta rotorul. Un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> m\u0103soar\u0103 1&times; <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">amplitudine \u0219i faz\u0103<\/a> la viteza de func\u021bionare, calculeaz\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">coeficien\u021bi de influen\u021b\u0103<\/a> ventilatorului \u0219i \u00ee\u021bi indic\u0103 masa \u0219i unghiul <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-weight\/\">greutatea de corec\u021bie<\/a> pentru a ad\u0103uga la palete. Apoi verific\u0103 rezultatul \u00een raport cu <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> toleran\u021b\u0103. \u00cen ceea ce prive\u0219te clasele de calitate \u201eacceptabil\u201d \u0219i \u201eechilibrat\u201d, ventilatoarele industriale de mari dimensiuni sunt tratate \u00een mod specific de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-14694\/\">ISO 14694<\/a>, \u00een timp ce intensitatea general\u0103 a vibra\u021biilor la carcasele rulmen\u021bilor este evaluat\u0103 \u00een raport cu standardele moderne <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-20816-3\/\">ISO 20816-3<\/a> (standardul care a \u00eenlocuit ISO 10816-3).<\/p>\n<h2>8. \u00centre\u021binere \u0219i corectare<\/h2>\n<h3>\u00centre\u021binerea palei<\/h3>\n<ul>\n<li>\u00cendep\u0103rta\u021bi depunerile de pe lame, apoi reechilibra\u021bi.<\/li>\n<li>Remedia\u021bi deterior\u0103rile minore cauzate de eroziune \u0219i coroziune.<\/li>\n<li>\u00cenlocui\u021bi lamele cr\u0103pate sau grav deteriorate.<\/li>\n<li>Asigura\u021bi-v\u0103 c\u0103 toate palele au acela\u0219i unghi de \u00eenclinare.<\/li>\n<li>Verifica\u021bi \u0219i str\u00e2nge\u021bi \u0219uruburile de fixare ale lamei.<\/li>\n<\/ul>\n<h3>Restaurarea jocului<\/h3>\n<ul>\n<li>Ad\u0103uga\u021bi inele de etan\u0219are sau garnituri de cap\u0103t \u00een cazul \u00een care jocul este prea mare.<\/li>\n<li>Remonteaz\u0103 carcasa pentru a-i reduce diametrul.<\/li>\n<li>\u00cenlocui\u021bi ventilatorul dac\u0103 acest lucru se justific\u0103 din punct de vedere economic.<\/li>\n<\/ul>\n<h3>Controlul punctului de operare<\/h3>\n<ul>\n<li>Regla\u021bi rezisten\u021ba sistemului astfel \u00eenc\u00e2t ventilatorul s\u0103 func\u021bioneze aproape de punctul s\u0103u de proiectare.<\/li>\n<li>Folosi\u021bi controlul cu vitez\u0103 variabil\u0103 pentru o adaptare optim\u0103.<\/li>\n<li>Evita\u021bi func\u021bionarea \u00een zona de desprindere aerodinamic\u0103.<\/li>\n<li>Utiliza\u021bi controlul prin palete de admisie sau prin clapet\u0103 pentru reglarea debitului.<\/li>\n<\/ul>\n<p>Defectele ventilatoarelor axiale combin\u0103 problemele obi\u0219nuite ale ma\u0219inilor rotative cu fenomenele aerodinamice specifice ma\u0219inilor cu flux axial. \u00cen\u021belegerea problemelor structurale ale palelor, a importan\u021bei jocului la v\u00e2rf \u0219i a instabilit\u0103\u021bilor precum stall-ul rotativ \u2014 al\u0103turi de o monitorizare adecvat\u0103 a vibra\u021biilor \u0219i de testarea performan\u021belor \u2014 asigur\u0103 func\u021bionarea fiabil\u0103 a acestor ma\u0219ini esen\u021biale de ventilare \u00een mediul industrial.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre defectele ventilatoarelor axiale, inclusiv deteriorarea palelor, problemele de joc la v\u00e2rf, blocarea \u0219i instabilit\u0103\u021bile aerodinamice specifice modelelor de ventilatoare axiale.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20628","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/20628","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/20628\/revisions"}],"predecessor-version":[{"id":101351,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/20628\/revisions\/101351"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=20628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=20628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=20628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}