{"id":115,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/fan-defects\/"},"modified":"2026-05-23T22:42:58","modified_gmt":"2026-05-23T22:42:58","slug":"fan-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/fan-defects\/","title":{"rendered":"Ce sunt defectele ventilatorului? Defec\u021biuni frecvente \u0219i diagnosticare"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor ventilatorului<\/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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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, 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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\/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\/115?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" 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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\" 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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\/115?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\/115?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<\/strong> sunt defectele care apar la ventilatoarele \u0219i suflantele industriale: deteriorarea palelor, cum ar fi fisuri, eroziune \u0219i acumularea de reziduuri; <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> cauzate de pierderea sau acumularea de material; instabilit\u0103\u021bi aerodinamice precum calarea \u0219i pompajul; probleme structurale, cum ar fi palele sl\u0103bite \u0219i butucii fisura\u021bi; precum \u0219i defect\u0103rile rulmen\u021bilor \u0219i ale sistemului de transmisie, comune tuturor echipamentelor rotative. Fiecare dintre acestea las\u0103 o urm\u0103 caracteristic\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> semn\u0103tur\u0103, dominat\u0103 de obicei de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/blade-passing-frequency\/\">frecven\u021ba de trecere a paletei<\/a> \u0219i armonicele sale, al\u0103turi de vibra\u021biile cauzate de dezechilibru \u0219i de pulsa\u021biile aerodinamice de joas\u0103 frecven\u021b\u0103. Deoarece ventilatoarele sunt omniprezente \u00een industrie \u2014 sisteme HVAC, r\u0103cirea proceselor, aerul de ardere, manipularea materialelor \u2014 defec\u021biunile acestora afecteaz\u0103 produc\u021bia, siguran\u021ba (ventila\u021bia) \u0219i eficien\u021ba energetic\u0103, ceea ce face ca identificarea defectelor specifice ventilatoarelor \u0219i a tehnicilor utilizate pentru monitorizarea acestora s\u0103 constituie o competen\u021b\u0103 esen\u021bial\u0103 \u00een domeniul fiabilit\u0103\u021bii.<\/p>\n<h2>1. Defini\u021bie: Ce sunt defectele ventilatoarelor?<\/h2>\n<p>Un ventilator este un dispozitiv aparent simplu \u2014 o roat\u0103 cu pale montat\u0103 pe un arbore \u2014 \u0219i totu\u0219i se afl\u0103 la intersec\u021bia a dou\u0103 lumi. La fel ca orice <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotor<\/a> sufer\u0103 de defec\u021biuni mecanice, cum ar fi dezechilibrul, uzura rulmen\u021bilor \u0219i sl\u0103birea acestora; dar, de asemenea, transport\u0103 un fluid, a\u0219a c\u0103 este supus <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/aerodynamic-forces\/\">for\u021be aerodinamice<\/a> pe care niciun utilaj pur mecanic nu le \u00eent\u00e2mpin\u0103. Arta diagnostic\u0103rii ventilatoarelor const\u0103 \u00een a le distinge pe cele dou\u0103 tipuri de defec\u021biuni, deoarece solu\u021bia pentru o defec\u021biune mecanic\u0103 (echilibrare, \u00eenlocuire, str\u00e2ngere) este complet diferit\u0103 de cea pentru o defec\u021biune aerodinamic\u0103 (modificarea punctului de func\u021bionare sau a re\u021belei de conducte). De asemenea, depistarea timpurie a defectelor este mai important\u0103 ca de obicei: o pal\u0103 desprins\u0103 sau un butuc defect la un ventilator de mari dimensiuni poate avea consecin\u021be cu adev\u0103rat catastrofale.<\/p>\n<h2>2. Defec\u021biuni frecvente ale ventilatoarelor<\/h2>\n<h3>2.1 Deteriorarea \u0219i eroziunea palelor<\/h3>\n<h4>Acumularea de material<\/h4>\n<ul>\n<li><strong>Cauza:<\/strong> Praf, crust\u0103 sau material de proces acumulat pe lame<\/li>\n<li><strong>Efect:<\/strong> provoac\u0103 dezechilibru de mas\u0103 \u0219i afecteaz\u0103 aerodinamica.<\/li>\n<li><strong>Simptom:<\/strong> o vibra\u021bie de 1\u00d7 care cre\u0219te treptat \u00een timp.<\/li>\n<li><strong>Comun \u00een:<\/strong> ventilatoare pentru manipularea materialelor \u0219i pentru evacuarea gazelor de proces.<\/li>\n<li><strong>Solu\u021bie:<\/strong> cur\u0103\u021barea periodic\u0103 \u0219i filtrarea \u00een amonte.<\/li>\n<\/ul>\n<h4>Eroziune \u0219i uzur\u0103<\/h4>\n<ul>\n<li><strong>Cauza:<\/strong> particulele abrazive care uzeaz\u0103 suprafe\u021bele palei.<\/li>\n<li><strong>Efect:<\/strong> pierderi materiale care provoac\u0103 dezechilibre \u0219i afecteaz\u0103 performan\u021ba.<\/li>\n<li><strong>Model:<\/strong> de obicei asimetric\u0103, marginea din fa\u021b\u0103 erod\u00e2ndu-se mai repede dec\u00e2t marginea din spate.<\/li>\n<li><strong>Detectare:<\/strong> cre\u0219terea amplitudinii vibra\u021biei de 1\u00d7 \u0219i reducerea puterii de ie\u0219ire.<\/li>\n<\/ul>\n<h4>Coroziune<\/h4>\n<ul>\n<li>Atac chimic asupra materialului palei.<\/li>\n<li>Provoac\u0103 coroziune punctiform\u0103 \u0219i pierderea materialului.<\/li>\n<li>Reduce rezisten\u021ba palei.<\/li>\n<li>Poate duce la apari\u021bia fisurilor \u0219i, \u00een cele din urm\u0103, la ruperea palei.<\/li>\n<\/ul>\n<h4>Blade cracks<\/h4>\n<ul>\n<li><strong>Loca\u021bii:<\/strong> baza palei (punctul de fixare la butuc), marginea de atac \u0219i \u00eembin\u0103rile sudate.<\/li>\n<li><strong>Cauze:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fatigue\/\">oboseal\u0103<\/a>, coroziune, \u0219ocuri \u0219i vibra\u021bii.<\/li>\n<li><strong>Simptome:<\/strong> un model de vibra\u021bie variabil, uneori cu o component\u0103 2\u00d7 \u00een cre\u0219tere.<\/li>\n<li><strong>Pericol:<\/strong> poate duce la desprinderea complet\u0103 a palei.<\/li>\n<\/ul>\n<h4>Pale lips\u0103 sau rupte<\/h4>\n<ul>\n<li>Un dezechilibru grav cauzat de dispunerea acum asimetric\u0103 a palelor.<\/li>\n<li>Vibra\u021bie foarte puternic\u0103 1\u00d7.<\/li>\n<li>Un model anormal al frecven\u021bei de trecere a palelor.<\/li>\n<li>Imediat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shutdown\/\">\u00eenchidere<\/a> \u0219i este necesar\u0103 o repara\u021bie.<\/li>\n<\/ul>\n<h3>2.2 Dezechilibru<\/h3>\n<p>Cea mai frecvent\u0103 problem\u0103 legat\u0103 de vibra\u021biile ventilatorului, de departe:<\/p>\n<ul>\n<li><strong>Surse:<\/strong> acumularea de depuneri, eroziunea, toleran\u021bele de fabrica\u021bie \u0219i deteriorarea palelor.<\/li>\n<li><strong>Semn\u0103tur\u0103:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/synchronous-vibration\/\">synchronous<\/a> vibra\u021bii.<\/li>\n<li><strong>Corec\u0163ie:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a> este de obicei eficient\u0103.<\/li>\n<li><strong>Recurent:<\/strong> dac\u0103 problema persist\u0103, trebuie abordat\u0103 cauza principal\u0103 (eroziunea sau sursa acumul\u0103rii), nu doar simptomul.<\/li>\n<\/ul>\n<h3>2.3 Instabilit\u0103\u021bi aerodinamice<\/h3>\n<h4>Blocaj aerodinamic<\/h4>\n<ul>\n<li>\u00cen condi\u021bii de func\u021bionare neconforme cu cele nominale, fluxul de aer se desprinde de suprafe\u021bele palelor.<\/li>\n<li>Un flux aleatoriu \u0219i turbulent care genereaz\u0103 vibra\u021bii de band\u0103 larg\u0103.<\/li>\n<li>Eficien\u021b\u0103 \u0219i performan\u021b\u0103 reduse.<\/li>\n<li>Frecvent la debite mici sau la o rezisten\u021b\u0103 mare la intrare.<\/li>\n<\/ul>\n<h4>Pompaj<\/h4>\n<ul>\n<li>Inversarea periodic\u0103 a fluxului \u00een \u00eentregul sistem.<\/li>\n<li>Pulsa\u021bii de frecven\u021b\u0103 foarte joas\u0103 (sub 5 Hz), dar severe.<\/li>\n<li>Poate deteriora ventilatorul \u0219i sistemul de conducte.<\/li>\n<li>De obicei, eliminarea acesteia necesit\u0103 modific\u0103ri la nivel de sistem.<\/li>\n<\/ul>\n<h3>2.4 Probleme structurale \u0219i mecanice<\/h3>\n<ul>\n<li><strong>Loose blades:<\/strong> \u0219uruburi de fixare sau suduri defecte, care genereaz\u0103 armonici multiple.<\/li>\n<li><strong>Butuc fisurat:<\/strong> defec\u021biunea structurii butucului \u2014 cu consecin\u021be poten\u021bial catastrofale.<\/li>\n<li><strong>Worn shaft:<\/strong> permite ro\u021bii ventilatorului s\u0103 se deplaseze, cre\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/run-out\/\">b\u0103taia radial\u0103<\/a>.<\/li>\n<li><strong>Rezonan\u021ba carcasei:<\/strong> carcasa sau re\u021beaua de conducte care rezoneaz\u0103 la frecven\u021ba de trecere a palelor (BPF) sau la una dintre armonicele acesteia, o form\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/structural-resonance\/\">rezonan\u021b\u0103 structural\u0103<\/a>.<\/li>\n<\/ul>\n<h3>2.5 Probleme cu transmisia \u0219i rulmen\u021bii<\/h3>\n<ul>\n<li>Probleme legate de transmisia prin curea \u2014 uzur\u0103, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealiniere<\/a>, tensiune incorect\u0103.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-defects\/\">Defec\u021biuni ale rulmen\u021bilor<\/a>, \u00een special \u00een medii murdare sau cu temperaturi ridicate.<\/li>\n<li>Probleme legate de cuplare, cum ar fi nealinierea \u0219i uzura.<\/li>\n<li>Defec\u021biuni ale motorului care afecteaz\u0103 func\u021bionarea ventilatorului.<\/li>\n<\/ul>\n<h2>3. Caracteristicile vibra\u021biilor<\/h2>\n<h3>Frecven\u021ba de trecere a palei (BPF)<\/h3>\n<p>Frecven\u021ba cheie specific\u0103 ventilatorului:<\/p>\n<ul>\n<li><strong>Calcul:<\/strong> BPF = num\u0103rul de pale \u00d7 tura\u021bie \/ 60.<\/li>\n<li><strong>Exemplu:<\/strong> un ventilator cu 12 pale, la 1.200 rpm, asigur\u0103 o frecven\u021b\u0103 de trecere a palelor de 240 Hz.<\/li>\n<li><strong>Amplitudine normal\u0103:<\/strong> depinde de tipul ventilatorului \u2014 ventilatoarele axiale prezint\u0103 amplitudini mai mari dec\u00e2t cele centrifuge.<\/li>\n<li><strong>BPF crescut:<\/strong> indic\u0103 deteriorarea palelor, probleme legate de jocul dintre piese sau probleme aerodinamice.<\/li>\n<li><strong>Armonice:<\/strong> 2\u00d7BPF \u0219i 3\u00d7BPF indic\u0103 probleme la palete sau rezonan\u021be.<\/li>\n<\/ul>\n<p>Calculul se face repede pe h\u00e2rtie, dar un program specializat <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/blade-pass-frequency\/\">calculator al frecven\u021bei de trecere a palelor<\/a> elimin\u0103 orice \u00eendoial\u0103 cu privire la care dintre v\u00e2rfurile spectrale este BPF \u0219i care este unul \u00eent\u00e2mpl\u0103tor <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonic<\/a> a vitezei de rota\u021bie.<\/p>\n<h3>Dezechilibru (1\u00d7)<\/h3>\n<ul>\n<li>Cea mai frecvent\u0103 component\u0103 de mare amplitudine.<\/li>\n<li>Cre\u0219te odat\u0103 cu acumularea sau eroziunea.<\/li>\n<li>Se poate remedia prin echilibrare.<\/li>\n<li>Problema poate reap\u0103rea dac\u0103 cauza principal\u0103 nu este remediat\u0103.<\/li>\n<\/ul>\n<h3>Puls\u0103ri aerodinamice<\/h3>\n<ul>\n<li><strong>Desprinderea curentului (stall):<\/strong> o cre\u0219tere \u00een band\u0103 larg\u0103 cu fluctua\u021bii aleatorii.<\/li>\n<li><strong>Pompaj:<\/strong> puls\u0103ri puternice de 1\u20135 Hz.<\/li>\n<li><strong>Turbulen\u0163\u0103:<\/strong> band\u0103 larg\u0103 \u0219i frecven\u021b\u0103 joas\u0103, aproximativ 10\u2013100 Hz \u2014 vezi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/flow-turbulence\/\">turbulen\u021ba fluxului<\/a>.<\/li>\n<\/ul>\n<h2>4. Aspecte specifice ventilatoarelor<\/h2>\n<h3>Tipuri de ventilatoare \u0219i tipurile de defecte ale acestora<\/h3>\n<h4>Ventilatoare centrifuge<\/h4>\n<ul>\n<li>Dezechilibrul este cea mai frecvent\u0103 problem\u0103.<\/li>\n<li>BPF are, de obicei, o amplitudine moderat\u0103.<\/li>\n<li>Depunerile pe paletele curbate spre interior sunt frecvente.<\/li>\n<li>Problemele legate de garnituri \u0219i rulmen\u021bi sunt cauzate de contaminarea din timpul procesului.<\/li>\n<\/ul>\n<h4>Axial fans<\/h4>\n<ul>\n<li>Amplitudinile mai mari ale BPF sunt normale \u2014 a se vedea <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/axial-fan-defects\/\">Defecte ale ventilatoarelor axiale<\/a> pentru detaliu.<\/li>\n<li>Jocul la v\u00e2rful paletei este esen\u021bial.<\/li>\n<li>Instabilit\u0103\u021bile aerodinamice sunt mai frecvente.<\/li>\n<li>Oboseala palelor este cauzat\u0103 de sarcinile aerodinamice alternante, uneori agravate de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/blade-resonance\/\">rezonan\u021ba palei<\/a>.<\/li>\n<\/ul>\n<h4>Ventilatoare cu tiraj indus (ID)<\/h4>\n<ul>\n<li>Eroziune sever\u0103 cauzat\u0103 de cenu\u0219a zbur\u0103toare \u0219i particule.<\/li>\n<li>Temperaturile ridicate care afecteaz\u0103 propriet\u0103\u021bile materialelor.<\/li>\n<li>Mediile de lucru corozive.<\/li>\n<li>Prin urmare, este necesar\u0103 o reechilibrare frecvent\u0103.<\/li>\n<\/ul>\n<h2>5. Strategia de diagnostic<\/h2>\n<h3>Evaluare ini\u021bial\u0103<\/h3>\n<ol>\n<li>M\u0103sura\u021bi vibra\u021biile generale la nivelul rulmen\u021bilor.<\/li>\n<li>Run an <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> analiz\u0103 pentru identificarea frecven\u021belor dominante.<\/li>\n<li>Verifica\u021bi dac\u0103 exist\u0103 1\u00d7 (dezechilibru), BPF (probleme cu palele) \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">frecven\u021bele defectelor rulmen\u021bilor<\/a>.<\/li>\n<li>Evalua\u021bi performan\u021ba \u2014 debit \u0219i presiune.<\/li>\n<li>Verifica\u021bi vizual dac\u0103 ventilatorul este accesibil.<\/li>\n<\/ol>\n<h3>Identificarea problemelor<\/h3>\n<ul>\n<li><strong>1\u00d7 ridicat:<\/strong> dezechilibru \u2014 echilibra\u021bi sau cur\u0103\u021ba\u021bi ventilatorul.<\/li>\n<li><strong>BPF ridicat:<\/strong> deteriorarea palelor sau probleme legate de joc \u2014 verifica\u021bi palele.<\/li>\n<li><strong>Band\u0103 larg\u0103:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/cavitation\/\">cavita\u021bie<\/a> sau blocaj aerodinamic \u2014 verifica\u021bi punctul de func\u021bionare.<\/li>\n<li><strong>Frecven\u021b\u0103 joas\u0103:<\/strong> surge or <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/recirculation\/\">recirculare<\/a> \u2014 modifica\u021bi sistemul.<\/li>\n<li><strong>Frecven\u021bele rulmen\u021bilor:<\/strong> uzura rulmen\u021bilor \u2014 \u00eenlocui\u021bi rulmen\u021bii.<\/li>\n<\/ul>\n<h2>6. Prevenire, \u00eentre\u021binere \u0219i remediere pe teren<\/h2>\n<h3>Echilibrarea<\/h3>\n<ul>\n<li>Echilibra\u021bi ro\u021bile ventilatoarelor pe loc, f\u0103r\u0103 a le demonta.<\/li>\n<li>Reechilibra\u021bi dup\u0103 orice opera\u021biune de cur\u0103\u021bare sau repara\u021bie a palelor.<\/li>\n<li>Folosi\u021bi variante cu prindere prin clem\u0103 sau prin \u0219uruburi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-weight\/\">ponderi de corec\u021bie<\/a> pentru a permite reglarea.<\/li>\n<li>Nota\u021bi greut\u0103\u021bile de echilibrare pentru a le putea consulta ulterior.<\/li>\n<\/ul>\n<p>Deoarece majoritatea ventilatoarelor func\u021bioneaz\u0103 cu rulmen\u021bii proprii, f\u0103r\u0103 a exista o ma\u0219in\u0103 de echilibrare la fa\u021ba locului, aceasta este tocmai sarcina pentru care a fost conceput un analizor portabil cu dou\u0103 canale. <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> m\u0103soar\u0103 1\u00d7 <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> \u00een urma unei \u00eencerc\u0103ri preliminare, \u00eei indic\u0103 tehnicianului masa \u0219i unghiul greut\u0103\u021bii care trebuie ad\u0103ugate \u2014 apoi verific\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> dup\u0103 remedierea problemei, f\u0103r\u0103 a fi necesar\u0103 demontarea ventilatorului.<\/p>\n<h3>Inspec\u021bie \u0219i cur\u0103\u021bare<\/h3>\n<ul>\n<li>Verifica\u021bi periodic dac\u0103 exist\u0103 depuneri, eroziune sau deterior\u0103ri.<\/li>\n<li>Cur\u0103\u021ba\u021bi palele \u00een timpul opririlor programate.<\/li>\n<li>Verifica\u021bi modul de fixare a palelor.<\/li>\n<li>Verifica\u021bi dac\u0103 exist\u0103 fisuri, \u00een special la baza palelor.<\/li>\n<\/ul>\n<h3>Practici opera\u021bionale<\/h3>\n<ul>\n<li>Opera\u021bi c\u00e2t mai aproape de punctul de proiectare, ori de c\u00e2te ori este posibil.<\/li>\n<li>Evita\u021bi func\u021bionarea prelungit\u0103 la debite extreme, fie foarte mari, fie foarte mici.<\/li>\n<li>Controla\u021bi condi\u021biile de admisie pentru a reduce la minimum turbulen\u021bele.<\/li>\n<li>Aplica\u021bi straturi de protec\u021bie pentru medii erozive sau corozive.<\/li>\n<\/ul>\n<p>Defec\u021biunile ventilatoarelor combin\u0103 problemele mecanice comune tuturor echipamentelor rotative cu problemele aerodinamice specifice ma\u0219inilor de ventilare. Semn\u0103tura frecven\u021bei de trecere a palelor, interpretat\u0103 \u00eempreun\u0103 cu tehnicile standard de analiz\u0103 a vibra\u021biilor, permite monitorizarea eficient\u0103 a st\u0103rii ventilatoarelor \u0219i ghideaz\u0103 luarea unor decizii de \u00eentre\u021binere adecvate pentru aceste ma\u0219ini critice.<\/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 ventilatorului, inclusiv deteriorarea palelor, dezechilibrul, instabilit\u0103\u021bile aerodinamice \u0219i rezonan\u021ba, detectabile prin analiza vibra\u021biilor la frecven\u021ba de trecere a palelor.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-115","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/115","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\/115\/revisions"}],"predecessor-version":[{"id":101333,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/115\/revisions\/101333"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}