{"id":164,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/modal-balancing\/"},"modified":"2026-05-23T23:04:09","modified_gmt":"2026-05-23T23:04:09","slug":"modal-balancing","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/modal-balancing\/","title":{"rendered":"Ce este echilibrarea modal\u0103? Tehnica avansat\u0103 a rotorului flexibil"},"content":{"rendered":"<h1>\u00cen\u021belegerea echilibr\u0103rii modale<\/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\/164?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\/164?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\/164?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\/164?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\/164?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\/164?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\/164?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\/164?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Baza magnetic\u0103.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/164?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\/164?add-to-cart=1852\" 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class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Band\u0103 reflectorizant\u0103\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/164?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/ro\/wp-json\/wp\/v2\/glossary\/164?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/164?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\/164?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>Echilibrarea modal\u0103<\/strong> este un avansat <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> tehnic\u0103 dezvoltat\u0103 pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/flexible-rotor\/\">rotoare flexibile<\/a> care func\u021bioneaz\u0103 prin direc\u021bionarea \u0219i corectarea vibra\u021biilor individuale <em>moduri<\/em> mai degrab\u0103 dec\u00e2t s\u0103 se echilibreze la o vitez\u0103 de rota\u021bie fix\u0103. Acesta recunoa\u0219te c\u0103 un rotor flexibil cap\u0103t\u0103 forme distincte <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/mode-shape\/\">forme de mod<\/a> \u2014 modele de deformare \u2014 la viteze diferite, \u0219i distribuie <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-weight\/\">ponderi de corec\u021bie<\/a> \u00eentr-un model care se potrive\u0219te \u0219i anuleaz\u0103 dezechilibrul care conduce fiecare mod. Acest lucru este fundamental diferit de sistemele conven\u021bionale <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/multi-plane-balancing\/\">echilibrare multiplan<\/a>, care corecteaz\u0103 rotorul la o vitez\u0103 de func\u021bionare aleas\u0103. Echilibrarea modal\u0103 ofer\u0103 rezultate superioare pentru rotoarele care trebuie s\u0103 func\u021bioneze f\u0103r\u0103 probleme \u00eentr-o gam\u0103 larg\u0103 de viteze \u0219i s\u0103 treac\u0103 prin mai multe <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">viteze critice<\/a> \u00een drum spre regimul de func\u021bionare.<\/p>\n<h2>1. Fundamentul teoretic: \u00cen\u021belegerea formelor de mod<\/h2>\n<p>Echilibrarea modal\u0103 are sens numai dup\u0103 ce ideea unui mod de vibra\u021bie este clar\u0103, deci merit\u0103 s\u0103 \u00eencepem de acolo.<\/p>\n<h3>Ce este o form\u0103 de mod?<\/h3>\n<p>O form\u0103 de mod este modelul caracteristic de deformare pe care \u00eel adopt\u0103 un rotor atunci c\u00e2nd vibreaz\u0103 la una dintre <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">frecven\u021be naturale<\/a>. \u00cen principiu, un rotor are un num\u0103r infinit de moduri, dar \u00een practic\u0103 doar primele c\u00e2teva sunt importante:<\/p>\n<ul>\n<li><strong>Primul mod:<\/strong> rotorul se \u00eendoaie \u00eentr-un singur arc, ca o coard\u0103 de s\u0103rit cu o singur\u0103 cocoa\u0219\u0103.<\/li>\n<li><strong>Al doilea mod:<\/strong> rotorul se apleac\u0103 \u00eentr-o curb\u0103 \u00een S cu o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/nodal-point\/\">punct nodal<\/a> \u2014 un punct de devia\u021bie zero \u2014 aproape de mijloc.<\/li>\n<li><strong>Al treilea mod:<\/strong> rotorul cap\u0103t\u0103 o und\u0103 mai complex\u0103 cu dou\u0103 puncte de nod.<\/li>\n<\/ul>\n<p>Fiecare mod are propria sa frecven\u021b\u0103 natural\u0103 \u0219i, prin urmare, propria sa vitez\u0103 critic\u0103. Atunci c\u00e2nd rotorul func\u021bioneaz\u0103 \u00een apropierea uneia dintre aceste viteze critice, acea form\u0103 de mod este puternic excitat\u0103 de orice dezechilibru care se \u00eent\u00e2mpl\u0103 s\u0103 se potriveasc\u0103 cu ea.<\/p>\n<h3>Dezechilibru specific modului<\/h3>\n<p>Ideea cheie este c\u0103 un rotor <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> poate fi descompus \u00een componente modale, iar fiecare mod r\u0103spunde <em>numai<\/em> la componenta de dezechilibru care \u00eei \u00eemp\u0103rt\u0103\u0219e\u0219te forma. De exemplu:<\/p>\n<ul>\n<li><strong>Dezechilibru \u00een primul mod:<\/strong> o distribu\u021bie simpl\u0103 \u00een form\u0103 de arc a asimetriei masei.<\/li>\n<li><strong>Dezechilibru \u00een al doilea mod:<\/strong> o distribu\u021bie care produce o curb\u0103 \u00een S pe m\u0103sur\u0103 ce rotorul deviaz\u0103.<\/li>\n<\/ul>\n<p>Corecta\u021bi fiecare component\u0103 modal\u0103 \u00een mod independent \u0219i rotorul este echilibrat \u00een \u00eentreaga sa gam\u0103 de func\u021bionare, nu doar la o singur\u0103 vitez\u0103.<\/p>\n<h2>2. Cum func\u021bioneaz\u0103 echilibrarea modal\u0103<\/h2>\n<p>Procedura este o secven\u021b\u0103 sofisticat\u0103 de m\u0103surare, transformare matematic\u0103 \u0219i corec\u021bie fizic\u0103.<\/p>\n<h3>Pasul 1: Identifica\u021bi vitezele critice \u0219i formele modurilor<\/h3>\n<p>\u00cenainte de ad\u0103ugarea oric\u0103rei greut\u0103\u021bi, vitezele critice ale rotorului sunt localizate cu un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/run-up-analysis\/\">accelerare<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/coastdown-analysis\/\">decelerare<\/a> test, produc\u00e2nd un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bode-plot\/\">Diagrama Bode<\/a> de amplitudine \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">faz\u0103<\/a> \u00een func\u021bie de vitez\u0103. Formele modurilor sunt apoi stabilite fie experimental, folosind mai mul\u021bi senzori de vibra\u021bii distan\u021ba\u021bi de-a lungul rotorului, fie teoretic, prin analiza elementelor finite.<\/p>\n<h3>Pasul 2: Transformare modal\u0103<\/h3>\n<p>Vibra\u021bia m\u0103surat\u0103 la mai multe loca\u021bii axiale este transformat\u0103 matematic din &#8220;coordonate fizice&#8221; \u2014 vibra\u021bia la fiecare rulment \u2014 \u00een &#8220;coordonate modale,&#8221; amplitudinea cu care este excitat fiecare mod. Formele modurilor cunoscute servesc drept baz\u0103 matematic\u0103 pentru aceast\u0103 transformare.<\/p>\n<h3>Pasul 3: Calcula\u021bi ponderile de corec\u021bie modal\u0103<\/h3>\n<p>Pentru fiecare mod semnificativ, un set de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trial-weight\/\">greut\u0103\u021bi de prob\u0103<\/a> aranjate astfel \u00eenc\u00e2t s\u0103 corespund\u0103 formei modului respectiv se aplic\u0103 pentru a determina coeficien\u021bii de influen\u021b\u0103. Se calculeaz\u0103 apoi ponderile necesare pentru a anula dezechilibrul modului respectiv.<\/p>\n<h3>Pasul 4: Transformarea \u00eenapoi la greut\u0103\u021bi fizice<\/h3>\n<p>Corec\u021biile modale sunt transformate din nou \u00een greut\u0103\u021bi reale, fizice, care pot fi montate \u00een zonele accesibile <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-plane\/\">planuri de corec\u021bie<\/a> pe rotor. Aceast\u0103 transformare invers\u0103 decide cum s\u0103 se repartizeze fiecare corec\u021bie modal\u0103 pe planurile disponibile efectiv.<\/p>\n<h3>Pasul 5: Instalare \u0219i verificare<\/h3>\n<p>Toate greut\u0103\u021bile sunt instalate \u0219i rotorul este rulat \u00een \u00eentreaga sa gam\u0103 de viteze de func\u021bionare pentru a confirma c\u0103 vibra\u021biile au sc\u0103zut la fiecare vitez\u0103 critic\u0103, nu doar la una.<\/p>\n<h2>3. Seturi de probe modale \u0219i principiul ortogonalit\u0103\u021bii<\/h2>\n<p>Ceea ce face ca metoda s\u0103 func\u021bioneze \u00een practic\u0103 este modul \u00een care sunt dispuse greut\u0103\u021bile de prob\u0103. \u00cen loc de o singur\u0103 mas\u0103 de prob\u0103 \u00eentr-un plan, echilibrarea modal\u0103 utilizeaz\u0103 o <em>set de probe modale<\/em> \u2014 un grup de greut\u0103\u021bi distribuite pe mai multe planuri \u00eentr-un model care excit\u0103 <em>numai<\/em> modul abordat, l\u0103s\u00e2nd \u00een acela\u0219i timp neperturbate modurile inferioare, deja corectate. Acest lucru se bazeaz\u0103 pe ortogonalitatea matematic\u0103 a formelor modurilor: o distribu\u021bie a greut\u0103\u021bii cu forma celui de-al doilea mod nu afecteaz\u0103 \u00een mod esen\u021bial primul mod, astfel \u00eenc\u00e2t corectarea celui de-al doilea mod nu dezechilibreaz\u0103 primul. Prin urmare, o campanie de echilibrare se desf\u0103\u0219oar\u0103 mod cu mod, mai \u00eent\u00e2i cel mai mic, fiecare corec\u021bie p\u0103str\u00e2nd c\u00e2\u0219tigurile celei anterioare.<\/p>\n<p>Aceast\u0103 secven\u021b\u0103 explic\u0103, de asemenea, de ce este important num\u0103rul de planuri de corec\u021bie. Pentru a controla primul <em>N<\/em> moduri flexibile plus cele dou\u0103 moduri ale corpului rigid, un rotor are nevoie \u00een general de un num\u0103r comparabil de planuri de corec\u021bie independente - logica formalizat\u0103 \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/n-plus-2-method\/\">Metoda N+2<\/a> de echilibrare pe mai multe planuri. \u00cen cazul \u00een care planurile disponibile sunt prea pu\u021bine sau prost plasate pentru a forma seturi modale curate, inginerul trebuie s\u0103 accepte un compromis al celei mai mici p\u0103trate care minimizeaz\u0103 vibra\u021biile globale, \u00een loc s\u0103 anuleze perfect fiecare mod \u00een parte.<\/p>\n<p>Este demn de remarcat faptul c\u0103 echilibrarea modal\u0103 \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">metoda coeficientului de influen\u021b\u0103<\/a> nu sunt filosofii rivale, ci dou\u0103 viziuni ale aceleia\u0219i fizici. O solu\u021bie pur numeric\u0103 a coeficien\u021bilor de influen\u021b\u0103 pe mai multe planuri \u0219i viteze va ajunge la acelea\u0219i corec\u021bii pe care o abordare modal\u0103 le deriv\u0103 din formele modurilor; calea modal\u0103 aduce doar o perspectiv\u0103 fizic\u0103 \u0219i, adesea, mai pu\u021bine execu\u021bii. Programele moderne combin\u0103 frecvent cele dou\u0103 abord\u0103ri - folosind coeficien\u021bii de influen\u021b\u0103 m\u0103sura\u021bi, dar interpret\u00e2ndu-i \u0219i ponder\u00e2ndu-i \u00een termeni modali.<\/p>\n<h2>4. Avantajele echilibr\u0103rii modale<\/h2>\n<p>Pentru rotoarele flexibile, echilibrarea modal\u0103 ofer\u0103 beneficii pe care metodele specifice vitezei nu le pot egala:<\/p>\n<ul>\n<li><strong>Eficace pe \u00eentreaga gam\u0103 de viteze:<\/strong> un set de corec\u021bii reduce vibra\u021biile la toate vitezele de func\u021bionare, ceea ce este esen\u021bial pentru ma\u0219inile care accelereaz\u0103 prin mai multe viteze critice.<\/li>\n<li><strong>Mai pu\u021bine \u00eencerc\u0103ri:<\/strong> deoarece fiecare \u00eencercare vizeaz\u0103 un anumit mod, mai degrab\u0103 dec\u00e2t o anumit\u0103 vitez\u0103, echilibrarea modal\u0103 necesit\u0103 adesea mai pu\u021bine \u00eencerc\u0103ri dec\u00e2t echilibrarea multiplan conven\u021bional\u0103.<\/li>\n<li><strong>O mai bun\u0103 \u00een\u021belegere fizic\u0103:<\/strong> metoda dezv\u0103luie care sunt modurile cele mai problematice \u0219i modul \u00een care dezechilibrul este distribuit de-a lungul rotorului.<\/li>\n<li><strong>Optim pentru ma\u0219ini de mare vitez\u0103:<\/strong> rotoarele care func\u021bioneaz\u0103 cu mult peste prima lor vitez\u0103 critic\u0103, cum ar fi turbinele, beneficiaz\u0103 cel mai mult deoarece corec\u021bia abordeaz\u0103 fizica real\u0103 a comportamentului rotorului flexibil.<\/li>\n<li><strong>Minimizeaz\u0103 vibra\u021biile de trecere:<\/strong> prin anularea dezechilibrului modal, vibra\u021biile \u00een timpul acceler\u0103rii \u0219i deceler\u0103rii la viteze critice sunt reduse, reduc\u00e2nd solicitarea asupra rulmen\u021bilor \u0219i a etan\u0219\u0103rilor.<\/li>\n<\/ul>\n<h2>5. Provoc\u0103ri \u0219i limit\u0103ri<\/h2>\n<p>Puterea metodei vine la pachet cu complexitatea \u0219i impune cerin\u021be reale pentru oameni, software \u0219i instrumente.<\/p>\n<h3>Necesit\u0103 cuno\u0219tin\u021be avansate<\/h3>\n<p>Tehnicienii au nevoie de o cunoa\u0219tere solid\u0103 a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-dynamics\/\">dinamica rotorului<\/a>, forme de mod \u0219i teoria vibra\u021biilor. Aceasta nu este o procedur\u0103 de nivel \u00eencep\u0103tor.<\/p>\n<h3>Necesit\u0103 software specializat<\/h3>\n<p>Opera\u021biile matriciale \u0219i transform\u0103rile de coordonate implicate dep\u0103\u0219esc cu mult calculul manual, astfel \u00eenc\u00e2t software-ul de echilibrare cu capacitate real\u0103 de analiz\u0103 modal\u0103 este esen\u021bial.<\/p>\n<h3>Are nevoie de date precise privind forma modului<\/h3>\n<p>Rezultatele sunt la fel de bune ca \u0219i informa\u021biile referitoare la forma modului care stau la baza lor, ceea ce necesit\u0103, de obicei, fie o modelare detaliat\u0103 cu elemente finite, fie experimente am\u0103nun\u021bite <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/modal-analysis\/\">analiz\u0103 modal\u0103<\/a>.<\/p>\n<h3>Sunt necesare mai multe puncte de m\u0103surare<\/h3>\n<p>Determinarea precis\u0103 a amplitudinilor modale \u00eenseamn\u0103 m\u0103surarea vibra\u021biilor \u00een mai multe pozi\u021bii axiale de-a lungul rotorului, ceea ce necesit\u0103 mai mul\u021bi senzori \u0219i canale dec\u00e2t echilibrarea conven\u021bional\u0103.<\/p>\n<h3>Limit\u0103ri ale planului de corec\u021bie<\/h3>\n<p>Este posibil ca planurile de corec\u021bie pe care le ofer\u0103 efectiv o ma\u0219in\u0103 s\u0103 nu se alinieze perfect cu formele modurilor. \u00cen practic\u0103, compromisurile sunt inevitabile, iar rezultatul realizabil depinde de c\u00e2t de bine planurile disponibile pot aproxima corec\u021biile modale dorite.<\/p>\n<h2>6. C\u00e2nd s\u0103 utiliza\u021bi echilibrarea modal\u0103<\/h2>\n<p>Tehnica este rezervat\u0103 situa\u021biilor \u00een care costul s\u0103u este clar justificat:<\/p>\n<ul>\n<li><strong>Rotoare flexibile de mare vitez\u0103:<\/strong> turbine mari, compresoare de mare vitez\u0103 \u0219i turboexpansoare care func\u021bioneaz\u0103 cu mult peste prima lor vitez\u0103 critic\u0103.<\/li>\n<li><strong>Gam\u0103 larg\u0103 de viteze de func\u021bionare:<\/strong> echipamente care trebuie s\u0103 accelereze la mai multe viteze critice \u0219i s\u0103 func\u021bioneze f\u0103r\u0103 probleme pe o band\u0103 larg\u0103 de tura\u021bii.<\/li>\n<li><strong>Ma\u0219ini critice:<\/strong> echipamente de mare valoare pentru care investi\u021biile \u00een echilibrare avansat\u0103 sunt rambursate prin fiabilitate \u0219i performan\u021b\u0103.<\/li>\n<li><strong>Atunci c\u00e2nd metodele conven\u021bionale e\u0219ueaz\u0103:<\/strong> atunci c\u00e2nd echilibrarea la o singur\u0103 vitez\u0103 se dovede\u0219te inadecvat\u0103 sau atunci c\u00e2nd corectarea la o vitez\u0103 \u00eenr\u0103ut\u0103\u021be\u0219te comportamentul la o alt\u0103 vitez\u0103.<\/li>\n<li><strong>Punerea \u00een func\u021biune a ma\u0219inilor noi:<\/strong> stabilirea unui echilibru de baz\u0103 optim pentru utilajele noi de mare vitez\u0103 \u00eenainte de punerea lor \u00een func\u021biune.<\/li>\n<\/ul>\n<h2>7. Rela\u021bia cu alte metode de echilibrare<\/h2>\n<p>Echilibrarea modal\u0103 se afl\u0103 \u00een v\u00e2rful unei sc\u0103ri de tehnici, fiecare potrivit\u0103 pentru o clas\u0103 diferit\u0103 de rotor:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/single-plane-balancing\/\">Echilibrare pe un singur plan<\/a>:<\/strong> pentru rotoare rigide, \u00een form\u0103 de disc.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/two-plane-balancing\/\">Echilibrarea pe dou\u0103 planuri<\/a>:<\/strong> standardul pentru majoritatea <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rigid-rotor\/\">rotoare rigide<\/a> cu o lungime apreciabil\u0103.<\/li>\n<li><strong>Echilibrare multiplan:<\/strong> necesar\u0103 pentru rotoarele flexibile, dar se corecteaz\u0103 la anumite viteze.<\/li>\n<li><strong>Echilibrare modal\u0103:<\/strong> cea mai avansat\u0103 abordare, care vizeaz\u0103 mai degrab\u0103 modurile dec\u00e2t vitezele pentru o flexibilitate \u0219i o eficacitate maxime.<\/li>\n<\/ul>\n<p>Merit\u0103 s\u0103 \u021binem cont de limit\u0103. Majoritatea cov\u00e2r\u0219itoare a ma\u0219inilor industriale sunt rotoare rigide care nu se apropie niciodat\u0103 de prima lor vitez\u0103 critic\u0103 \u0219i care sunt gestionate corect prin echilibrarea simpl\u0103 la fa\u021ba locului \u00een dou\u0103 planuri. Un analizor portabil cu dou\u0103 canale, cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> acoper\u0103 direct acest domeniu - m\u0103sur\u00e2nd amplitudinea \u0219i faza 1\u00d7 \u00een rulmen\u021bii proprii ai ma\u0219inii, calcul\u00e2nd coeficien\u021bii de influen\u021b\u0103 dintr-o rulare de prob\u0103 \u0219i verific\u00e2nd <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> fa\u021b\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a>. Realizarea unei echilibr\u0103ri modale complete pe o astfel de ma\u0219in\u0103 ar fi un efort depus atunci c\u00e2nd teoria rotorului rigid ofer\u0103 deja r\u0103spunsul corect; metodele modale apar\u021bin rotorilor cu adev\u0103rat flexibili care func\u021bioneaz\u0103 dincolo de o vitez\u0103 critic\u0103, reglementat\u0103 de ISO 21940-12.<\/p>\n<h2>8. Aplica\u021bii industriale<\/h2>\n<p>Echilibrarea modal\u0103 este standardul acceptat \u00een mai multe sectoare solicitante:<\/p>\n<ul>\n<li><strong>Produc\u021bia de energie:<\/strong> turbinele mari cu abur \u0219i cu gaz din centralele electrice.<\/li>\n<li><strong>Aerospa\u021bial\u0103:<\/strong> rotoare de motoare de aeronave \u0219i turboma\u0219ini de mare vitez\u0103.<\/li>\n<li><strong>Petrochimie:<\/strong> Compresoare centrifuge de mare vitez\u0103 \u0219i turbo-expansoare<\/li>\n<li><strong>Cercetare:<\/strong> standuri de testare de mare vitez\u0103 \u0219i utilaje experimentale.<\/li>\n<li><strong>Fabricile de h\u00e2rtie:<\/strong> rulouri lungi, sub\u021biri \u0219i flexibile pentru ma\u0219inile de h\u00e2rtie.<\/li>\n<\/ul>\n<p>\u00cen fiecare dintre aceste aplica\u021bii, complexitatea \u0219i costul echilibr\u0103rii modale sunt dep\u0103\u0219ite de ceea ce este \u00een joc - func\u021bionarea f\u0103r\u0103 probleme, prelungirea duratei de via\u021b\u0103 a utilajelor \u0219i evitarea defec\u021biunilor catastrofale \u00een sistemele rotative de mare energie.<\/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 echilibrarea modal\u0103, o metod\u0103 avansat\u0103 care vizeaz\u0103 forme specifice ale modurilor de vibra\u021bie, mai degrab\u0103 dec\u00e2t viteze, esen\u021bial\u0103 pentru rotoarele flexibile care func\u021bioneaz\u0103 peste viteze critice multiple.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-164","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/164","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\/164\/revisions"}],"predecessor-version":[{"id":101437,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/164\/revisions\/101437"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}