{"id":220,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-rub\/"},"modified":"2026-05-23T22:53:37","modified_gmt":"2026-05-23T22:53:37","slug":"rotor-rub","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/rotor-rub\/","title":{"rendered":"Ce este frecarea rotorului? Contactul dintre piesele rotative \u0219i cele sta\u021bionare"},"content":{"rendered":"<h1>\u00cen\u021belegerea frec\u0103rii rotorului \u00een ma\u0219inile rotative<\/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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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\/220?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, 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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\/220?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 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\/>\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\" 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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\/220?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\/220?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>Frecarea rotorului<\/strong> \u2014 denumit \u0219i frecare sau contact \u00eentre rotor \u0219i stator \u2014 este o situa\u021bie \u00een care componentele rotative ale unei ma\u0219ini intr\u0103 \u00een contact intermitent sau continuu cu p\u0103r\u021bile fixe, cum ar fi garniturile, carcasele rulmen\u021bilor sau pere\u021bii carcasei. Acest contact genereaz\u0103 for\u021be de frecare, produce c\u0103ldur\u0103 local\u0103 intens\u0103 \u0219i creeaz\u0103 un zgomot foarte caracteristic <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> un fenomen care poate duce la o defec\u021biune catastrofal\u0103 cu o vitez\u0103 alarmant\u0103. Frecarea este deosebit de periculoas\u0103 deoarece creeaz\u0103 un cerc vicios: vibra\u021biile provoac\u0103 frecare, frecarea genereaz\u0103 c\u0103ldur\u0103, iar c\u0103ldura produce o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/thermal-bow\/\">arc termic<\/a> \u00een arbore, \u00eencovoierea amplific\u0103 vibra\u021biile, iar vibra\u021biile mai puternice provoac\u0103 o frecare mai intens\u0103. Aceast\u0103 spiral\u0103 termomecanic\u0103 poate distruge o ma\u0219in\u0103 \u00een c\u00e2teva minute odat\u0103 ce se declan\u0219eaz\u0103.<\/p>\n<h2>1. Tipuri de frecare a rotorului<\/h2>\n<p>Frec\u0103rile sunt clasificate, de obicei, \u00een func\u021bie de c\u00e2t de mare este suprafa\u021ba rotorului aflat\u0103 \u00een contact \u0219i de durata contactului. Trecerea de la un contact u\u0219or la unul puternic reflect\u0103 cre\u0219terea gradului de pericol:<\/p>\n<ul>\n<li><strong>Frecare u\u0219oar\u0103 (contact intermitent):<\/strong> un contact scurt \u0219i sporadic la punctele maxime ale ciclului de deviere, adesea doar la anumite viteze sau condi\u021bii de \u00eenc\u0103rcare. Aceasta genereaz\u0103 v\u00e2rfuri de vibra\u021bii neregulate \u0219i intermitente, de obicei la garnituri sau \u00een spa\u021biile libere ale labirintului. Poate fi tolerat\u0103 pentru o perioad\u0103 foarte scurt\u0103, dar indic\u0103 \u00eentotdeauna o problem\u0103 care trebuie remediat\u0103.<\/li>\n<li><strong>Frecare par\u021bial\u0103 (contact u\u0219or continuu):<\/strong> rotorul atinge continuu o suprafa\u021b\u0103 fix\u0103, dar cu o frecare redus\u0103, men\u021bin\u00e2ndu-\u0219i rota\u021bia \u0219i gener\u00e2nd \u00een acela\u0219i timp o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sub-synchronous\/\">subsincron<\/a> sau vibra\u021bii sincrone, c\u0103ldur\u0103 \u0219i particule de uzur\u0103. Dac\u0103 nu se intervine, problema tinde s\u0103 se agraveze, duc\u00e2nd la o frecare puternic\u0103.<\/li>\n<li><strong>Frecare intens\u0103 (contact inelar complet):<\/strong> rotorul intr\u0103 \u00een contact cu statorul pe o por\u021biune mare sau pe \u00eentreaga circumferin\u021b\u0103, gener\u00e2nd for\u021be de frecare foarte mari, o cre\u0219tere rapid\u0103 a temperaturii de sute de grade \u00een c\u00e2teva minute \u0219i vibra\u021bii puternice, adesea haotice. Aceasta poate duce la blocarea rotorului sau la o avarie catastrofal\u0103 \u0219i necesit\u0103 oprirea de urgen\u021b\u0103 imediat\u0103.<\/li>\n<\/ul>\n<h2>2. Zone frecvente de frecare<\/h2>\n<p>Zonele de frecare se concentreaz\u0103 acolo unde spa\u021biul este cel mai \u00eengust. Locurile obi\u0219nuite sunt:<\/p>\n<ul>\n<li><strong>Garnituri de tip labirint:<\/strong> datorit\u0103 jocurilor reduse \u00een mod inten\u021bionat, frecarea garniturilor este cea mai frecvent\u0103 problem\u0103.<\/li>\n<li><strong>Rulmen\u021bi de fixare (de re\u021binere):<\/strong> rulmen\u021bi de urgen\u021b\u0103 concepu\u021bi s\u0103 sus\u021bin\u0103 arborele \u00een cazul unui incident grav.<\/li>\n<li><strong>Garnituri pentru pistoane de echilibru:<\/strong> utilizate \u00een compresoarele \u0219i pompele cu mai multe trepte.<\/li>\n<li><strong>Diafragme \u00eentre etaje:<\/strong> in turbines.<\/li>\n<li><strong>Carcase de rulmen\u021bi:<\/strong> \u00een cazurile grave \u00een care arborele intr\u0103 \u00een contact cu capacul rulmentului.<\/li>\n<li><strong>Shaft sleeves:<\/strong> man\u0219oanele de protec\u021bie montate la punctele de etan\u0219are.<\/li>\n<\/ul>\n<h2>3. Cauzele frec\u0103rii rotorului<\/h2>\n<p>Orice factor care amplific\u0103 mi\u0219carea arborelui sau reduce jocul poate provoca o frecare.<\/p>\n<h3>Vibra\u021bii excesive<\/h3>\n<p>Sever\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> care provoac\u0103 o deformare semnificativ\u0103 a arborelui, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealiniere<\/a> gener\u00e2nd o mi\u0219care suplimentar\u0103 a arborelui, func\u021bion\u00e2nd la o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">vitez\u0103 critic\u0103<\/a> cu amplificare rezonant\u0103, \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-instability\/\">instabilitatea rotorului<\/a> precum efectul de bici al uleiului sau v\u00e2rtejul de abur, toate \u00eemping rotorul c\u0103tre mediul sta\u021bionar din jur.<\/p>\n<h3>Distan\u021b\u0103 insuficient\u0103<\/h3>\n<p>O asamblare incorect\u0103 care las\u0103 un joc radial insuficient, dilatarea termic\u0103 care reduce jocul \u00een timpul \u00eenc\u0103lzirii, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-wear\/\">uzura rulmen\u021bilor<\/a> mi\u0219carea excesiv\u0103 a arborelui \u0219i tasarea funda\u021biei, care apropie piesele fixe de rotor, sunt toate cauze frecvente.<\/p>\n<h3>Evenimente tranzitorii<\/h3>\n<p>Dep\u0103\u0219irea unei viteze critice \u00een timpul pornirii sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/coastdown\/\">decelerare libera<\/a>, schimb\u0103rile bru\u0219te de sarcin\u0103 care provoac\u0103 deformarea arborelui, declan\u0219area dispozitivelor de siguran\u021b\u0103 \u0219i opririle de urgen\u021b\u0103, precum \u0219i dep\u0103\u0219irea vitezei maxime pot provoca, fiecare \u00een parte, o frecare momentan\u0103 sau prelungit\u0103.<\/p>\n<h2>4. Semn\u0103turile vibra\u021bionale ale frec\u0103rii rotorului<\/h2>\n<p>Fric\u021biunea genereaz\u0103 unele dintre cele mai u\u0219or de recunoscut \u2014 \u0219i cele mai haotice \u2014 semn\u0103turi din analiza vibra\u021biilor, tocmai pentru c\u0103 for\u021ba de frecare este extrem de neliniar\u0103.<\/p>\n<h3>Modele caracteristice<\/h3>\n<ul>\n<li><strong>Componente subsincrone:<\/strong> frecven\u021be sub 1\u00d7 (de obicei 1\/2\u00d7, 1\/3\u00d7, 1\/4\u00d7) generate de rotirea invers\u0103 \u00een timpul contactului.<\/li>\n<li><strong>Armonici multiple:<\/strong> de 1, 2, 3, 4 ori \u0219i mai mult, datorit\u0103 caracterului neliniar \u0219i discontinuu al for\u021bei de frecare \u2014 o tr\u0103s\u0103tur\u0103 caracteristic\u0103 \u00eent\u00e2lnit\u0103 \u0219i \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">harmonic-rich<\/a> spectra.<\/li>\n<li><strong>Comportament imprevizibil:<\/strong> schimb\u0103ri bru\u0219te \u0219i imprevizibile \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/amplitude\/\">amplitudine<\/a> and frequency.<\/li>\n<li><strong>Zgomotul de band\u0103 larg\u0103:<\/strong> con\u021binut aleatoriu, de \u00eenalt\u0103 frecven\u021b\u0103, generat de frecare \u0219i microimpacturi.<\/li>\n<li><strong>Instabilitatea de faz\u0103:<\/strong> a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">unghi de faz\u0103<\/a> se mi\u0219c\u0103 haotic, \u00een loc s\u0103 r\u0103m\u00e2n\u0103 nemi\u0219cat.<\/li>\n<\/ul>\n<h3>Caracteristicile spectrului \u0219i ale orbitei<\/h3>\n<p>The <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectru<\/a> prezint\u0103 numeroase v\u00e2rfuri la ordine frac\u021bionare \u0219i \u00eentregi, situate pe un fond de zgomot ridicat, \u0219i se modific\u0103 rapid \u0219i imprevizibil de la o \u00eenregistrare la alta; un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/waterfall-plot\/\">diagram\u0103 cascad\u0103<\/a> dezv\u0103luie componente de frecven\u021b\u0103 care apar \u0219i dispar. <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/orbit\/\">orbita arborelui<\/a> este la fel de revelator: devine neregulat \u0219i deformat, prezint\u0103 col\u021buri ascu\u021bite sau zone aplatizate \u00een punctele de contact, \u00ee\u0219i schimb\u0103 forma pe m\u0103sur\u0103 ce intensitatea frec\u0103rii variaz\u0103 \u0219i prezint\u0103 adesea componente de precesie invers\u0103 (\u00eenapoi) \u2014 amprenta orbital\u0103 a unei frec\u0103ri.<\/p>\n<h2>5. Consecin\u021be \u0219i prejudicii<\/h2>\n<p>Deteriorarea cauzat\u0103 de frecare se produce \u00een etape, de la uzura reversibil\u0103 p\u00e2n\u0103 la distrugerea complet\u0103.<\/p>\n<h3>Efecte imediate<\/h3>\n<ul>\n<li><strong>\u00cenc\u0103lzirea prin frecare:<\/strong> contactul genereaz\u0103 o c\u0103ldur\u0103 local\u0103 intens\u0103, fiind foarte posibil ca la punctul de frecare temperatura s\u0103 ating\u0103 300\u2013600 \u00b0C.<\/li>\n<li><strong>\u00cencovoiere termic\u0103:<\/strong> \u00eenc\u0103lzirea asimetric\u0103 deformeaz\u0103 arborele, ceea ce agraveaz\u0103 frecarea \u2014 elementul central al spiralei de retroac\u021biune.<\/li>\n<li><strong>Uzur\u0103 \u0219i reziduuri:<\/strong> materialul este \u00eendep\u0103rtat at\u00e2t de pe arbore, c\u00e2t \u0219i de pe stator, iar particulele rezultate contamineaz\u0103 rulmen\u021bii \u0219i garniturile.<\/li>\n<\/ul>\n<h3>Daune secundare \u0219i catastrofale<\/h3>\n<ul>\n<li><strong>Distrugerea sigiliului:<\/strong> din\u021bii labirintului sunt uza\u021bi sau rup\u021bi, afect\u00e2nd etan\u0219area.<\/li>\n<li><strong>Supra\u00eenc\u0103rcarea rulmentului:<\/strong> For\u021bele de frecare exercit\u0103 o sarcin\u0103 \u0219i genereaz\u0103 c\u0103ldur\u0103 asupra rulmen\u021bilor.<\/li>\n<li><strong>Curbura permanent\u0103 a arborelui:<\/strong> O \u00eenc\u0103lzire intens\u0103 poate provoca o deformare plastic\u0103 care persist\u0103 \u0219i dup\u0103 oprire.<\/li>\n<li><strong>Zg\u00e2rieturi, blocaje \u0219i fisuri ale arborelui:<\/strong> caneluri ad\u00e2ncite \u00een arbore, blocarea complet\u0103 cauzat\u0103 de frecarea intens\u0103 sau o fisur\u0103 care se formeaz\u0103 \u00een zona afectat\u0103 termic \u2014 o cale c\u0103tre <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/shaft-crack\/\">shaft cracking<\/a> and failure.<\/li>\n<li><strong>C\u0103derea rotorului \u0219i riscul de incendiu:<\/strong> O defec\u021biune a rulmen\u021bilor cauzat\u0103 de supra\u00eenc\u0103lzire poate determina c\u0103derea rotorului pe rulmen\u021bii de fixare sau pe carcas\u0103, \u00een timp ce resturile fierbin\u021bi sau sc\u00e2nteile pot aprinde materialele inflamabile.<\/li>\n<\/ul>\n<h2>6. Detectarea, diagnosticarea \u0219i m\u0103sur\u0103torile pe teren<\/h2>\n<p>Pentru a depista din timp o frecare, este necesar s\u0103 se monitorizeze at\u00e2t datele privind vibra\u021biile, c\u00e2t \u0219i starea fizic\u0103 a ma\u0219inii.<\/p>\n<h3>Indicatori de analiz\u0103 a vibra\u021biilor<\/h3>\n<ul>\n<li>Apari\u021bia brusc\u0103 a mai multor componente subsincrone<\/li>\n<li>Modele de vibra\u021bii neregulate, care nu se repet\u0103.<\/li>\n<li>Cre\u0219teri semnificative ale nivelului general de vibra\u021bii.<\/li>\n<li>Vibra\u021bie care se modific\u0103 imediat dup\u0103 o schimbare a vitezei.<\/li>\n<li>Modele de orbit\u0103 neobi\u0219nuite, cu tr\u0103s\u0103turi bine definite.<\/li>\n<\/ul>\n<h3>Probe materiale<\/h3>\n<ul>\n<li>Praf sau particule metalice \u00een carcasele rulmen\u021bilor.<\/li>\n<li>Urme de uzur\u0103 vizibile sau zg\u00e2rieturi pe suprafe\u021bele expuse ale arborelui<\/li>\n<li>Componente ale garniturii deteriorate sau uzate.<\/li>\n<li>Cre\u0219terea temperaturii rulmen\u021bilor.<\/li>\n<li>Un zgomot audibil de frecare sau scr\u00e2\u0219nit.<\/li>\n<\/ul>\n<p>Deoarece semn\u0103turile de frecare se modific\u0103 at\u00e2t de rapid, provocarea practic\u0103 pe teren const\u0103 \u00een captarea spectrului complet, bogat \u00een armonici, a nivelului general variabil \u0219i a traiectoriei arborelui pe o ma\u0219in\u0103 \u00een func\u021biune. Un instrument portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> permite unui inginer s\u0103 m\u0103soare amplitudinea, faza \u0219i spectrul armonic la rulmen\u021bi \u00een timpul unei func\u021bion\u0103ri controlate, ceea ce ajut\u0103 la diferen\u021bierea unei frec\u0103ri \u00een curs de apari\u021bie de un simplu dezechilibru \u0219i \u00eei indic\u0103 analistului dac\u0103 contactul se agraveaz\u0103 de la o func\u021bionare la alta \u2014 diferen\u021ba dintre o oprire controlat\u0103 \u0219i o oprire de urgen\u021b\u0103.<\/p>\n<h2>7. Interven\u021bia \u00een situa\u021bii de urgen\u021b\u0103, prevenirea \u0219i protec\u021bia<\/h2>\n<p>Frecarea este o stare de urgen\u021b\u0103, iar r\u0103spunsul trebuie s\u0103 corespund\u0103 gravit\u0103\u021bii acesteia:<\/p>\n<ol>\n<li><strong>Evalua\u021bi severitatea vibra\u021biilor:<\/strong> o frecare u\u0219oar\u0103 poate permite o oprire controlat\u0103; o frecare puternic\u0103 necesit\u0103 o oprire de urgen\u021b\u0103 imediat\u0103.<\/li>\n<li><strong>Reduce speed:<\/strong> dac\u0103 este sigur s\u0103 face\u021bi acest lucru, reduce\u021bi treptat viteza, urm\u0103rind vibra\u021biile.<\/li>\n<li><strong>Monitoriza\u021bi temperaturile:<\/strong> Cre\u0219terea temperaturii rulmen\u021bilor indic\u0103 o deteriorare a st\u0103rii acestora.<\/li>\n<li><strong>Shut down:<\/strong> opri\u021bi utilajul dac\u0103 vibra\u021biile continu\u0103 s\u0103 creasc\u0103 sau dac\u0103 temperatura cre\u0219te rapid.<\/li>\n<li><strong>Nu reporni\u021bi:<\/strong> a\u0219tepta\u021bi p\u00e2n\u0103 c\u00e2nd se verific\u0103 spa\u021biile libere \u0219i se identific\u0103 locul de frecare.<\/li>\n<li><strong>Documenta\u021bi evenimentul:<\/strong> \u00eenregistrarea datelor privind vibra\u021biile, temperaturile \u0219i vitezele \u00een vederea analizei.<\/li>\n<\/ol>\n<p>Prevenirea ac\u021bioneaz\u0103 pe trei fronturi. <strong>By design<\/strong>, asigura\u021bi un joc radial adecvat \u00een fiecare punct \u00een care ar putea ap\u0103rea frecare, lua\u021bi \u00een calcul dilatarea termic\u0103, aplica\u021bi acoperiri rezistente la abraziune la garnituri pentru a limita deterior\u0103rile cauzate de frecarea u\u0219oar\u0103 \u0219i monta\u021bi rulmen\u021bi de re\u021binere pentru a limita deformarea \u00een cazul unor evenimente extreme. <strong>By operation<\/strong>, men\u021bine\u021bi o bun\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> and precise <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/laser-shaft-alignment\/\">alinierea arborilor<\/a> pentru a reduce la minimum deformarea, respecta\u021bi procedurile corespunz\u0103toare de \u00eenc\u0103lzire pentru a gestiona dilatarea termic\u0103 \u0219i evita\u021bi func\u021bionarea la viteze critice. <strong>Prin monitorizare \u0219i protec\u021bie<\/strong>, seta\u021bi alarmele de vibra\u021bii la valori sub pragul de frecare, monitoriza\u021bi temperaturile rulmen\u021bilor \u0219i garniturilor, utiliza\u021bi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/proximity-probe\/\">sonde de proximitate<\/a> pentru a monitoriza pozi\u021bia arborelui \u0219i jocul mecanic, precum \u0219i pentru a activa oprirea automat\u0103 \u00een cazul unor vibra\u021bii excesive. \u00cen\u021belegerea cauzelor, recunoa\u0219terea semn\u0103turilor caracteristice \u0219i integrarea unor m\u0103suri de protec\u021bie adecvate sunt esen\u021biale pentru func\u021bionarea \u00een condi\u021bii de siguran\u021b\u0103 a echipamentelor de mare vitez\u0103 cu joc mecanic redus, precum turbinele \u0219i compresoarele.<\/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 frecarea rotorului, contactul dintre arborii rotativi \u0219i componentele sta\u021bionare care provoac\u0103 vibra\u021bii neregulate, daune termice \u0219i poten\u021biale defec\u021biuni catastrofale.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-220","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/220","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\/220\/revisions"}],"predecessor-version":[{"id":101405,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/220\/revisions\/101405"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}