{"id":217,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-dynamics\/"},"modified":"2026-05-23T23:06:08","modified_gmt":"2026-05-23T23:06:08","slug":"rotor-dynamics","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/rotor-dynamics\/","title":{"rendered":"Ce este dinamica rotorului? Teorie \u0219i aplica\u021bii"},"content":{"rendered":"<h1>\u00cen\u021belegerea dinamicii rotorului<\/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\/217?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\/217?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\/217?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\/217?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\/217?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\/217?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\/217?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\/217?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=\"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\/217?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\/217?add-to-cart=1852\" 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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\/217?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\/217?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>Dinamica rotorului<\/strong> este ramura specializat\u0103 a ingineriei mecanice care studiaz\u0103 comportamentul sistemelor rotative \u2014 \u00een special al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a>, stabilitate \u0219i r\u0103spuns al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotoare<\/a> montate pe rulmen\u021bi. Aceasta combin\u0103 dinamica, mecanica materialelor, teoria controlului \u0219i analiza vibra\u021biilor pentru a prevedea \u0219i controla comportamentul unei ma\u0219ini pe \u00eentreaga sa gam\u0103 de viteze de func\u021bionare. Aceast\u0103 disciplin\u0103 le permite inginerilor s\u0103 proiecteze, s\u0103 analizeze \u0219i s\u0103 depaneze echipamente rotative de orice dimensiune \u2014 de la o mic\u0103 pomp\u0103 turbomolecular\u0103 de mare vitez\u0103 p\u00e2n\u0103 la un generator cu turbin\u0103 de 300 de tone \u2014 av\u00e2nd certitudinea c\u0103 acestea vor func\u021biona \u00een condi\u021bii de siguran\u021b\u0103 \u0219i fiabilitate pe toat\u0103 durata de via\u021b\u0103.<\/p>\n<h2>1. No\u021biuni fundamentale privind dinamica rotorului<\/h2>\n<p>Exist\u0103 c\u00e2teva aspecte care diferen\u021biaz\u0103 un rotor \u00een rota\u021bie de o structur\u0103 sta\u021bionar\u0103 obi\u0219nuit\u0103. Cel mai important dintre acestea este faptul c\u0103 propriet\u0103\u021bile dinamice ale unui rotor sunt <em>speed-dependent<\/em>: rigiditatea, amortizarea \u0219i efectele giroscopice se modific\u0103 pe m\u0103sur\u0103 ce ma\u0219ina accelereaz\u0103, astfel \u00eenc\u00e2t comportamentul acesteia nu poate fi \u00een\u021beles pe baza unui singur model static.<\/p>\n<h3>Viteze critice \u0219i frecven\u021be proprii<\/h3>\n<p>Fiecare sistem rotor are unul sau mai multe <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">viteze critice<\/a> \u2014 viteze de rota\u021bie la care un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">frecven\u021b\u0103 natural\u0103<\/a> c\u00e2nd sistemul este excitat, produc\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/resonance\/\">rezonan\u021b\u0103<\/a> \u0219i o amplificare brusc\u0103 a vibra\u021biilor. Identificarea \u0219i gestionarea vitezelor critice este, f\u0103r\u0103 \u00eendoial\u0103, cea mai important\u0103 sarcin\u0103 din domeniul dinamicii rotorilor, deoarece func\u021bionarea la o distan\u021b\u0103 prea mic\u0103 de una dintre acestea poate duce la cre\u0219terea amplitudinilor p\u00e2n\u0103 la niveluri distructive \u00een doar c\u00e2teva secunde.<\/p>\n<h3>Efecte giroscopice<\/h3>\n<p>C\u00e2nd un rotor se rote\u0219te \u0219i, \u00een acela\u0219i timp, este for\u021bat s\u0103-\u0219i schimbe orientarea axei de rota\u021bie \u2014 trec\u00e2nd prin viteza critic\u0103 sau \u00een timpul unei manevre tranzitorii \u2014 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/gyroscopic-effect\/\">momente giroscopice<\/a> aceste momente determin\u0103 rigidizarea sau \u00eenmuierea sistemului, \u00een func\u021bie de sensul de precesie, astfel \u00eenc\u00e2t frecven\u021bele proprii se ramific\u0103 \u00een ramuri de precesie direct\u0103 \u0219i invers\u0103 \u0219i modific\u0103 formele modale. Cu c\u00e2t rotorul se rote\u0219te mai repede, cu at\u00e2t influen\u021ba giroscopic\u0103 devine mai pronun\u021bat\u0103, motiv pentru care ma\u0219inile de mare vitez\u0103 necesit\u0103 o analiz\u0103 extrem de atent\u0103.<\/p>\n<h3>R\u0103spuns la dezechilibru<\/h3>\n<p>Fiecare rotor real prezint\u0103 o anumit\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> \u2014 o distribu\u021bie asimetric\u0103 a masei care genereaz\u0103 o for\u021b\u0103 centrifug\u0103 de rota\u021bie. Dinamica rotorului ofer\u0103 instrumentele necesare pentru a prevedea modul \u00een care un anumit rotor va reac\u021biona la aceast\u0103 for\u021b\u0103 la orice vitez\u0103, \u021bin\u00e2nd seama de rigiditatea arborelui, de amortizarea sistemului, de caracteristicile rulmen\u021bilor \u0219i de propriet\u0103\u021bile structurii de sus\u021binere.<\/p>\n<h3>Sistemul rotor-rulment-fundament<\/h3>\n<p>O analiz\u0103 complet\u0103 nu trateaz\u0103 niciodat\u0103 rotorul \u00een mod izolat. Acesta este modelat ca un element integrat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-bearing-system\/\">sistem rotor-rulment<\/a> care include, de asemenea, garnituri, cuplaje \u0219i structura de sus\u021binere \u2014 socluri, plac\u0103 de baz\u0103 \u0219i funda\u021bie. Fiecare element contribuie cu propria rigiditate, amortizare \u0219i mas\u0103, iar rigiditatea funda\u021biei, \u00een special, poate modifica tura\u021biile critice efective, \u00eendep\u0103rt\u00e2ndu-le considerabil de cele ale rotorului gol.<\/p>\n<h3>Stabilitate \u0219i vibra\u021bii autoexcitate<\/h3>\n<p>Spre deosebire de vibra\u021biile for\u021bate cauzate de dezechilibru, unele sisteme pot genera <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/self-excited-vibration\/\">vibra\u021bie autoexcitat\u0103<\/a> \u2014 oscila\u021bii alimentate de o surs\u0103 de energie din interiorul sistemului \u00eensu\u0219i, \u0219i nu de o for\u021b\u0103 extern\u0103, la viteza de func\u021bionare. Fenomene precum <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/oil-whirl\/\">v\u00e2rtej de ulei<\/a>, efectul de bici de ulei \u0219i v\u00e2rtejul de abur pot degenera \u00een instabilit\u0103\u021bi violente, iar una dintre sarcinile principale ale dinamicii rotorului este aceea de a le prevedea \u0219i de a le elimina din proiect \u00eenc\u0103 din faza de proiectare a ma\u0219inii.<\/p>\n<h2>2. Parametrii cheie care determin\u0103 comportamentul<\/h2>\n<p>Comportamentul dinamic al rotorului este determinat de c\u00e2teva grupuri de parametri. O eroare \u00een stabilirea oric\u0103ruia dintre ace\u0219tia modific\u0103 tura\u021biile critice sau afecteaz\u0103 stabilitatea.<\/p>\n<h3>Caracteristicile rotorului<\/h3>\n<ul>\n<li><strong>Distribu\u021bia \u00een mas\u0103:<\/strong> modul \u00een care masa este distribuit\u0103 pe lungimea rotorului \u0219i pe circumferin\u021ba acestuia.<\/li>\n<li><strong>Rigiditate:<\/strong> rezisten\u021ba arborelui la \u00eencovoiere, determinat\u0103 de material, diametru \u0219i distan\u021ba dintre puncte de sprijin.<\/li>\n<li><strong>Gradul de flexibilitate:<\/strong> raportul dintre viteza de func\u021bionare \u0219i prima vitez\u0103 critic\u0103, care face distinc\u021bia \u00eentre rotoarele rigide \u0219i cele flexibile (definite \u00een detaliu mai jos).<\/li>\n<li><strong>Momentele de iner\u021bie polare \u0219i diametrale:<\/strong> propriet\u0103\u021bile de iner\u021bie care stau la baza efectelor giroscopice \u0219i a dinamicii rota\u021bionale.<\/li>\n<\/ul>\n<h3>Caracteristicile rulmentului<\/h3>\n<ul>\n<li><strong>Rigiditatea rulmentului:<\/strong> c\u00e2t de mult se deformeaz\u0103 rulmentul sub sarcin\u0103 \u2014 acest lucru depinde \u00een mare m\u0103sur\u0103 de vitez\u0103, sarcin\u0103 \u0219i propriet\u0103\u021bile lubrifiantului \u00een cazul rulmen\u021bilor cu film fluid.<\/li>\n<li><strong>Amortizarea rulmen\u021bilor:<\/strong> energia disipat\u0103 de rulment, care este esen\u021bial\u0103 pentru limitarea amplitudinii atunci c\u00e2nd rotorul trece prin viteza critic\u0103.<\/li>\n<li><strong>Tipul rulmentului:<\/strong> cu elemente rulante \u0219i cu film fluid (<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/journal-bearing\/\">journal<\/a>) au un comportament dinamic profund diferit, cele din urm\u0103 introduc\u00e2nd o rigiditate cuplat\u0103 transversal care poate genera instabilitate.<\/li>\n<\/ul>\n<h3>Parametrii sistemului<\/h3>\n<ul>\n<li><strong>Rigiditatea structurii de sus\u021binere:<\/strong> Flexibilitatea funda\u021biei \u0219i a soclului modific\u0103 frecven\u021bele naturale ale sistemului.<\/li>\n<li><strong>Efectele de cuplare:<\/strong> modul \u00een care echipamentele conectate solicit\u0103 \u0219i constr\u00e2ng rotorul<\/li>\n<li><strong>For\u021bele aerodinamice \u0219i hidraulice:<\/strong> a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/aerodynamic-forces\/\">aerodinamic<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/hydraulic-forces\/\">hidraulic<\/a> sarcinile exercitate de fluidul de lucru.<\/li>\n<\/ul>\n<h2>3. Rotori rigizi versus rotori flexibili<\/h2>\n<p>O clasificare fundamental\u0103 \u00eemparte rotoarele \u00een dou\u0103 regimuri de func\u021bionare \u0219i stabile\u0219te care este metoda de echilibrare adecvat\u0103.<\/p>\n<h3>Rotoare rigide<\/h3>\n<p>A <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rigid-rotor\/\">rotor rigid<\/a> func\u021bioneaz\u0103 sub prima sa vitez\u0103 critic\u0103. Arborele nu se deformeaz\u0103 \u00een mod semnificativ \u00een timpul func\u021bion\u0103rii, astfel \u00eenc\u00e2t poate fi considerat un corp rigid \u0219i echilibrat \u00een dou\u0103 planuri arbitrare. Majoritatea utilajelor industriale \u2014 ventilatoare, pompe, motoare electrice, suflante \u2014 se \u00eencadreaz\u0103 \u00een aceast\u0103 categorie, iar echilibrarea lor este relativ simpl\u0103, necesit\u00e2nd de obicei doar <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/two-plane-balancing\/\">echilibrare pe dou\u0103 planuri<\/a> \u00een conformitate cu toleran\u021bele <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a>.<\/p>\n<h3>Rotoare flexibile<\/h3>\n<p>A <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/flexible-rotor\/\">rotor flexibil<\/a> func\u021bioneaz\u0103 la o vitez\u0103 sau la mai multe viteze critice. Arborele se \u00eendoaie vizibil \u00een timpul func\u021bion\u0103rii, iar deformarea acestuia <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/mode-shape\/\">form\u0103 de mod<\/a> variaz\u0103 \u00een func\u021bie de vitez\u0103, astfel \u00eenc\u00e2t o corec\u021bie care func\u021bioneaz\u0103 la o anumit\u0103 vitez\u0103 s-ar putea s\u0103 nu func\u021bioneze la o alt\u0103 vitez\u0103. Turbinele, compresoarele \u0219i generatoarele de mare vitez\u0103 se comport\u0103 astfel \u0219i necesit\u0103 tehnici avansate, cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/modal-balancing\/\">echilibrare modal\u0103<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/multi-plane-balancing\/\">echilibrare multiplan<\/a>, conform standardului ISO 21940-12.<\/p>\n<h2>4. Instrumente \u0219i metode<\/h2>\n<p>Inginerii abordeaz\u0103 problemele legate de rotor printr-o combina\u021bie de previziuni analitice \u0219i m\u0103sur\u0103tori fizice, ideal fiind ca acestea s\u0103 se coroboreze reciproc.<\/p>\n<h3>Metode analitice<\/h3>\n<ul>\n<li><strong>Metoda matricei de transfer:<\/strong> tehnica clasic\u0103 pentru calcularea manual\u0103 a vitezelor critice \u0219i a formelor modale.<\/li>\n<li><strong>Analiza cu elemente finite (FEA):<\/strong> standardul computa\u021bional modern, oferind previziuni detaliate privind r\u0103spunsul, stabilitatea \u0219i formele modale.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/modal-analysis\/\">Analiz\u0103 modal\u0103<\/a>:<\/strong> determinarea frecven\u021belor proprii \u0219i a formelor modale ale sistemului asamblat.<\/li>\n<li><strong>Analiza stabilit\u0103\u021bii:<\/strong> prezicerea vitezei de apari\u021bie a vibra\u021biilor autoexcitate.<\/li>\n<\/ul>\n<h3>Metode experimentale<\/h3>\n<ul>\n<li><strong>Testarea pornirii \/ deceler\u0103rii:<\/strong> m\u0103surarea vibra\u021biilor pe m\u0103sur\u0103 ce viteza se modific\u0103, pentru a identifica vitezele critice. <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/rotor-critical-speed\/\">Calculator de vitez\u0103 critic\u0103 a rotorului<\/a> ofer\u0103 o prim\u0103 estimare util\u0103 \u00eenainte ca ma\u0219ina s\u0103 fie pus\u0103 \u00een func\u021biune.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bode-plot\/\">Diagrame Bode<\/a>:<\/strong> amplitudinea \u0219i faza reprezentate grafic \u00een func\u021bie de vitez\u0103.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/campbell-diagram\/\">Diagrame Campbell<\/a>:<\/strong> ar\u0103t\u00e2nd modul \u00een care frecven\u021bele naturale variaz\u0103 \u00een func\u021bie de vitez\u0103 \u0219i unde ordinea de excita\u021bie le intersecteaz\u0103.<\/li>\n<li><strong>Testarea la impact:<\/strong> folosind lovituri de ciocan cu senzori pentru a excita \u0219i a m\u0103sura frecven\u021bele naturale ale unui rotor sta\u021bionar.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/orbit\/\">Analiza orbitei<\/a>:<\/strong> analizarea traiectoriei reale parcurse de linia central\u0103 a arborelui \u00een cadrul jocului din rulment.<\/li>\n<\/ul>\n<h2>5. Aplica\u021bii \u0219i importan\u021b\u0103<\/h2>\n<p>Dinamica rotorului joac\u0103 un rol important \u00een dou\u0103 momente distincte din ciclul de via\u021b\u0103 al unei ma\u0219ini: atunci c\u00e2nd aceasta este proiectat\u0103 \u0219i atunci c\u00e2nd, ulterior, prezint\u0103 defec\u021biuni.<\/p>\n<h3>Faza de proiectare<\/h3>\n<ul>\n<li>Estimarea din timp a vitezelor critice pentru a asigura marje de siguran\u021b\u0103 adecvate fa\u021b\u0103 de domeniul de func\u021bionare.<\/li>\n<li>Optimizarea alegerii \u0219i amplas\u0103rii rulmen\u021bilor.<\/li>\n<li>Stabilirea gradului de calitate a echilibr\u0103rii necesar.<\/li>\n<li>Evaluarea marjelor de stabilitate \u0219i proiectarea \u00eempotriva vibra\u021biilor autoexcitate<\/li>\n<li>Evaluarea comportamentului tranzitoriu \u00een timpul pornirii \u0219i opririi<\/li>\n<\/ul>\n<h3>Depanare \u0219i rezolvare a problemelor<\/h3>\n<ul>\n<li>Diagnosticarea problemelor legate de vibra\u021bii la utilajele aflate \u00een func\u021biune.<\/li>\n<li>Identificarea cauzelor principale atunci c\u00e2nd vibra\u021biile dep\u0103\u0219esc limitele <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-20816-1\/\">ISO 20816<\/a> (succesorul actual al standardului ISO 10816).<\/li>\n<li>Evaluarea fezabilit\u0103\u021bii cre\u0219terii vitezei sau a modific\u0103rilor aduse echipamentelor.<\/li>\n<li>Evaluarea daunelor \u00een urma unor incidente precum declan\u0219\u0103ri (trip), dep\u0103\u0219iri de vitez\u0103 sau defect\u0103ri ale rulmen\u021bilor.<\/li>\n<\/ul>\n<h3>Aplica\u021bii industriale<\/h3>\n<ul>\n<li><strong>Produc\u021bia de energie:<\/strong> turbine cu abur \u0219i cu gaz, generatoare.<\/li>\n<li><strong>Petrol \u0219i gaze:<\/strong> compresoare, pompe, turbine.<\/li>\n<li><strong>Aerospa\u021bial\u0103:<\/strong> motoare de avion \u0219i unit\u0103\u021bi auxiliare de alimentare.<\/li>\n<li><strong>Industrial:<\/strong> motoare, ventilatoare, suflante, arbori de ma\u0219ini-unelte.<\/li>\n<li><strong>Auto:<\/strong> arbori coti\u021bi ai motorului, turbocompresoare, arbori de transmisie.<\/li>\n<\/ul>\n<h2>6. Fenomene dinamice comune ale rotorului<\/h2>\n<p>O analiz\u0103 dinamic\u0103 solid\u0103 a rotorului permite anticiparea \u0219i prevenirea unei categorii distincte de probleme:<\/p>\n<ul>\n<li><strong>Rezonan\u021ba la viteza critic\u0103:<\/strong> vibra\u021bii excesive atunci c\u00e2nd viteza de func\u021bionare coincide cu frecven\u021ba natural\u0103.<\/li>\n<li><strong>V\u00e2rtej de ulei \/ bici de ulei:<\/strong> instabilitatea autoexcitat\u0103 \u00een lag\u0103rele cu pelicul\u0103 de fluid.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/synchronous-vibration\/\">Sincron\u0103<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/asynchronous-vibration\/\">vibra\u021bie asincron\u0103<\/a>:<\/strong> distingerea r\u0103spunsului generat de dezechilibru de cel provenit din alte surse.<\/li>\n<li><strong>Frecare \u0219i contact:<\/strong> <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-rub\/\">frecare rotor<\/a> atunci c\u00e2nd piesele rotative \u0219i cele fixe intr\u0103 \u00een contact.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/thermal-bow\/\">Arc termic<\/a>:<\/strong> deformarea arborelui din cauza \u00eenc\u0103lzirii inegale.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/torsional-vibration\/\">Vibra\u021bii torsionale<\/a>:<\/strong> oscila\u021bia unghiular\u0103 a arborelui \u00een jurul propriului s\u0103u ax.<\/li>\n<\/ul>\n<h2>7. Leg\u0103tura cu analiza echilibr\u0103rii \u0219i a vibra\u021biilor<\/h2>\n<p>Dinamica rotorului este teoria care st\u0103 la baza practicii cotidiene a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> \u0219i diagnosticare. Aceasta explic\u0103 de ce <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">coeficien\u021bi de influen\u021b\u0103<\/a> parametrii utiliza\u021bi \u00een echilibrarea pe teren variaz\u0103 \u00een func\u021bie de tura\u021bie \u0219i de starea rulmen\u021bilor; ace\u0219tia indic\u0103 dac\u0103 strategia potrivit\u0103 este echilibrarea \u00eentr-un singur plan, \u00een dou\u0103 planuri sau modal\u0103; prev\u0103d modul \u00een care un anumit dezechilibru va afecta vibra\u021biile la diferite tura\u021bii; \u0219i ghideaz\u0103 alegerea toleran\u021bei de echilibrare pe baza tura\u021biei de func\u021bionare \u0219i a masei rotorului. De asemenea, stau la baza interpret\u0103rii defec\u021biunilor, ajut\u00e2nd analistul s\u0103 disting\u0103 o semn\u0103tur\u0103 de vibra\u021bie de alta.<\/p>\n<p>Aici se \u00eent\u00e2lnesc teoria \u0219i practica. Un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> aplic\u0103 aceste principii direct la fa\u021ba locului: m\u0103soar\u0103 1\u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">amplitudine \u0219i faz\u0103<\/a> \u00een rulmen\u021bii proprii ai ma\u0219inii la viteza de func\u021bionare, calculeaz\u0103 coeficien\u021bii de influen\u021b\u0103 ai rotorului pe baza unei \u00eencerc\u0103ri de func\u021bionare \u0219i corecteaz\u0103 dezechilibrul f\u0103r\u0103 a fi nevoie de o ma\u0219in\u0103 special\u0103 de echilibrare \u2014 o aplicare practic\u0103 a teoriei rotorului rigid pentru marea majoritate a echipamentelor industriale.<\/p>\n<h2>8. Evolu\u021bii recente<\/h2>\n<p>Domeniul continu\u0103 s\u0103 \u00eenregistreze progrese pe mai multe fronturi:<\/p>\n<ul>\n<li><strong>Puterea de calcul:<\/strong> modele FEA din ce \u00een ce mai detaliate, rezolvate \u00eentr-un timp din ce \u00een ce mai scurt.<\/li>\n<li><strong>Control activ:<\/strong> rulmen\u021bi magnetici \u0219i amortizoare active care regleaz\u0103 rigiditatea \u0219i amortizarea \u00een timp real.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">Monitorizarea st\u0103rii<\/a>:<\/strong> monitorizarea \u0219i diagnosticarea continu\u0103 a comportamentului rotorului.<\/li>\n<li><strong>Tehnologia gemenilor digitali:<\/strong> modele \u00een timp real care reproduc ma\u0219ina real\u0103 \u0219i se actualizeaz\u0103 pe baza datelor furnizate de senzori.<\/li>\n<li><strong>Materiale avansate:<\/strong> compozite \u0219i aliaje de \u00eenalt\u0103 performan\u021b\u0103 care permit viteze \u0219i randamente mai mari.<\/li>\n<\/ul>\n<p>Pentru oricine proiecteaz\u0103, opereaz\u0103 sau \u00eentre\u021bine ma\u0219ini rotative, o \u00een\u021belegere practic\u0103 a dinamicii rotorului este indispensabil\u0103 \u2014 aceasta este cunoa\u0219terea care transform\u0103 o citire a vibra\u021biilor \u00eentr-o decizie \u0219i men\u021bine ma\u0219inile cu energie ridicat\u0103 \u00een func\u021biune \u00een condi\u021bii de siguran\u021b\u0103, eficien\u021b\u0103 \u0219i previzibilitate.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00cenva\u021b\u0103 despre dinamica rotorului, ramura ingineriei care studiaz\u0103 comportamentul sistemelor rotative, inclusiv vibra\u021biile, vitezele critice, stabilitatea \u0219i r\u0103spunsul la dezechilibru.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-217","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/217","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\/217\/revisions"}],"predecessor-version":[{"id":101456,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/217\/revisions\/101456"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}