{"id":147,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/initial-unbalance\/"},"modified":"2026-07-17T21:01:52","modified_gmt":"2026-07-17T21:01:52","slug":"initial-unbalance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/initial-unbalance\/","title":{"rendered":"Ce este dezechilibrul ini\u021bial \u00een echilibrarea rotorului?"},"content":{"rendered":"<h1>\u00cen\u021belegerea dezechilibrului ini\u021bial<\/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\/147?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\/147?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\/147?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\/147?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\/147?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\/147?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\/147?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\/147?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\/147?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\/147?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Band\u0103 reflectorizant\u0103\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/147?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\/147?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\/147?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\/147?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>Dezechilibru ini\u021bial<\/strong> \u2014 numit \u0219i dezechilibru ini\u021bial sau dezechilibru constatat \u2014 este <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> starea care exist\u0103 \u00eentr-un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotor<\/a> before any <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> s-a aplicat corec\u021bia. Este starea de referin\u021b\u0103 a rotorului, surprins\u0103 \u00een timpul primei rota\u021bii a unei proceduri de echilibrare. M\u0103rimea \u0219i pozi\u021bia sa unghiular\u0103 sunt determinate prin m\u0103surarea <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> amplitudine \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">faz\u0103<\/a> \u00een timp ce rotorul se rote\u0219te la tura\u021bia sa de echilibrare. Tot ceea ce urmeaz\u0103 \u00eentr-o lucrare de echilibrare se raporteaz\u0103 la acest vector ini\u021bial: el este reperul fa\u021b\u0103 de care se evalueaz\u0103 eficacitatea lucr\u0103rii, iar ceea ce r\u0103m\u00e2ne dup\u0103 finalizarea corec\u021biei se nume\u0219te <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a>.<\/p>\n<h2>1. Surse ale dezechilibrului ini\u021bial<\/h2>\n<p>Dezechilibrul ini\u021bial se acumuleaz\u0103 din numeroase surse de-a lungul vie\u021bii unui rotor&#8217; \u2014 \u00een fabrica\u021bie, \u00een asamblare, \u00een exploatare \u0219i chiar \u00een timpul lucr\u0103rilor de \u00eentre\u021binere menite s\u0103 \u00eel \u00eembun\u0103t\u0103\u021beasc\u0103.<\/p>\n<h3>Toleran\u021be de fabrica\u021bie<\/h3>\n<p>Chiar \u0219i cu prelucrare de precizie, simetria perfect\u0103 este imposibil\u0103:<\/p>\n<ul>\n<li><strong>Varia\u021bii ale densit\u0103\u021bii materialului:<\/strong> materialul neomogen, golurile interne sau incluziunile creeaz\u0103 asimetrie de mas\u0103.<\/li>\n<li><strong>Toleran\u021be de prelucrare:<\/strong> abateri mici de la concentricitatea real\u0103 \u2014 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/run-out\/\">b\u0103taia radial\u0103<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/eccentricity\/\">excentricitate<\/a> \u2014 produc dezechilibru.<\/li>\n<li><strong>Varia\u021bia grosimii peretelui:<\/strong> la rotoarele turnate sau fabricate, pere\u021bii neuniformi \u00eenseamn\u0103 o distribu\u021bie neuniform\u0103 a masei.<\/li>\n<li><strong>Porozitate \u0219i defecte de turnare:<\/strong> golurile de aer, contrac\u021biile sau incluziunile de zgur\u0103 deplaseaz\u0103 masa.<\/li>\n<\/ul>\n<h3>Erori \u0219i varia\u021bii de asamblare<\/h3>\n<p>Atunci c\u00e2nd un rotor este construit din mai multe componente, dezechilibrul poate fi introdus chiar dac\u0103 fiecare pies\u0103 este \u00een sine corespunz\u0103toare:<\/p>\n<ul>\n<li><strong>Acumularea toleran\u021belor:<\/strong> piesele bine echilibrate pot totu\u0219i s\u0103 adauge <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vector-addition\/\">vectorial<\/a> \u00eentr-un total semnificativ.<\/li>\n<li><strong>Conexiuni cu pan\u0103:<\/strong> penele, canalele de pan\u0103 \u0219i caneludele sunt asimetrice prin natura lor.<\/li>\n<li><strong>G\u0103uri de \u0219urub \u0219i elemente de fixare:<\/strong> orificiile neuniform distribuite sau \u0219uruburile nepotrivite adaug\u0103 dezechilibru.<\/li>\n<li><strong>Ajustaje termice \u0219i prin presare:<\/strong> componentele montate prin fretare sau presare pot s\u0103 nu fie perfect concentrice.<\/li>\n<\/ul>\n<h3>Cauze opera\u021bionale<\/h3>\n<p>Dezechilibrul apare \u0219i \u00een timpul exploat\u0103rii, \u00eendep\u0103rt\u00e2ndu-se de starea echilibrat\u0103 ini\u021bial\u0103 a rotorului&#8217;:<\/p>\n<ul>\n<li><strong>Acumularea de material:<\/strong> murd\u0103rie, praf, depuneri sau produs de proces care se acumuleaz\u0103 pe <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/impeller-defects\/\">rotoare<\/a>, paletele ventilatorului sau suprafe\u021bele rotorului.<\/li>\n<li><strong>Erosion and <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/wear\/\">uzur\u0103<\/a>:<\/strong> pierderea neuniform\u0103 de material din cauza abraziunii, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/corrosion\/\">coroziune<\/a>, sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/cavitation\/\">cavita\u021bie<\/a>.<\/li>\n<li><strong>Piese rupte sau lips\u0103:<\/strong> o palet\u0103 de ventilator pierdut\u0103, o palet\u0103 de rotor fracturat\u0103, o component\u0103 deplasat\u0103.<\/li>\n<li><strong>Deformare:<\/strong> \u00cendoire, deformare plastic\u0103 sau deformare din cauza impacturilor, supra\u00eenc\u0103lzirii sau supra\u00eenc\u0103rc\u0103rii.<\/li>\n<li><strong>Componente libere:<\/strong> piese care s-au sl\u0103bit \u0219i \u0219i-au schimbat pozi\u021bia.<\/li>\n<\/ul>\n<h3>Activit\u0103\u021bi de \u00eentre\u021binere \u0219i repara\u021bii<\/h3>\n<p>\u00cen mod ironic, \u00eentre\u021binerea poate introduce tocmai dezechilibrul pe care \u00ee\u0219i propune s\u0103 \u00eel elimine:<\/p>\n<ul>\n<li>Montarea pieselor de schimb cu o mas\u0103 sau o distribu\u021bie a masei diferit\u0103.<\/li>\n<li>Repara\u021bii prin sudur\u0103 care adaug\u0103 metal \u00een mod asimetric.<\/li>\n<li>Reprelucrare sau prelucrare care \u00eendep\u0103rteaz\u0103 materialul neuniform<\/li>\n<li>Vopsea sau strat de acoperire aplicat neuniform.<\/li>\n<\/ul>\n<h2>2. Cum se m\u0103soar\u0103 dezechilibrul ini\u021bial<\/h2>\n<p>Dezechilibrul ini\u021bial este cuantificat la prima m\u0103sur\u0103toare a unei proceduri de echilibrare.<\/p>\n<h3>Parametri de m\u0103surare<\/h3>\n<ul>\n<li><strong>Amplitudinea vibra\u021biilor:<\/strong> magnitudinea componentei 1\u00d7 (o dat\u0103 pe rota\u021bie), de obicei \u00een mm\/s, in\/s sau mils. Aceasta coreleaz\u0103 direct cu gravitatea dezechilibrului.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase-angle\/\">Unghiul de faz\u0103<\/a>:<\/strong> momentul v\u00e2rfului de vibra\u021bie 1\u00d7 \u00een grade, relativ la un reper de referin\u021b\u0103 detectat de un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/keyphasor\/\">fazor cheie<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/tachometer\/\">tahometru<\/a>. This is the <em>response<\/em> faza, nu direct unghiul punctului greu: vibra\u021bia \u00eent\u00e2rzie fa\u021b\u0103 de punctul greu real cu o valoare care depinde de c\u00e2t de aproape este viteza de func\u021bionare de o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/resonance\/\">rezonan\u021b\u0103<\/a> (from near 0\u00b0 well below it, through 90\u00b0 at it, to near 180\u00b0 above it), plus sensor and instrumentation delays. The heavy-spot and correction-weight angle is therefore inferred by the balancing algorithm \u2014 via the trial-weight (influence-coefficient) method \u2014 rather than read straight off the phase display.<\/li>\n<li><strong>Vitez\u0103:<\/strong> viteza de rota\u021bie la care se efectueaz\u0103 citirile \u2014 important\u0103 deoarece <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/centrifugal-force\/\">for\u021b\u0103 centrifug\u0103<\/a> din cauza dezechilibrului cre\u0219te cu p\u0103tratul vitezei.<\/li>\n<\/ul>\n<h3>Reprezentare vectorial\u0103<\/h3>\n<p>Dezechilibrul ini\u021bial este reprezentat ca un vector &#8220;O&#8221; (de la &#8220;Original&#8221;) av\u00e2nd at\u00e2t magnitudine, c\u00e2t \u0219i direc\u021bie, desenat de obicei pe un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/polar-plot\/\">grafic polar<\/a> unde:<\/p>\n<ul>\n<li>lungimea vectorului&#8217; reprezint\u0103 amplitudinea vibra\u021biei, iar<\/li>\n<li>unghiul vectorului reprezint\u0103 faza r\u0103spunsului m\u0103surat (din care se deduce ulterior pozi\u021bia punctului greu).<\/li>\n<\/ul>\n<h2>3. Importan\u021ba \u00een procesul de echilibrare<\/h2>\n<p>M\u0103surarea dezechilibrului ini\u021bial \u00eendepline\u0219te mai multe sarcini simultan.<\/p>\n<h3>Baz\u0103 de referin\u021b\u0103 pentru corec\u021bii<\/h3>\n<p>Toate calculele de echilibrare se raporteaz\u0103 la dezechilibrul ini\u021bial. Scopul este de a ad\u0103uga <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-weight\/\">ponderi de corec\u021bie<\/a> care genereaz\u0103 un vector de vibra\u021bie egal \u0219i de sens opus fa\u021b\u0103 de vectorul ini\u021bial, anul\u00e2ndu-l.<\/p>\n<h3>Evaluarea severit\u0103\u021bii<\/h3>\n<p>M\u0103rimea dezechilibrului ini\u021bial arat\u0103 c\u00e2t de grav\u0103 este problema \u0219i ajut\u0103 la a decide:<\/p>\n<ul>\n<li>dac\u0103 echilibrarea este m\u0103sura corect\u0103 sau dac\u0103 un alt defect mecanic \u2014 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/looseness\/\">joc axial<\/a> sau descentrarea \u2014 trebuie remediate \u00een prealabil;<\/li>\n<li>dimensiunea corespunz\u0103toare a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trial-weight\/\">greut\u0103\u021bi de prob\u0103<\/a>; and<\/li>\n<li>dac\u0103 o singur\u0103 corec\u021bie este suficient\u0103 sau sunt necesare mai multe itera\u021bii.<\/li>\n<\/ul>\n<p>O verificare util\u0103 \u00eenainte de a interveni asupra rotorului este conversia amplitudinii m\u0103surate \u00een for\u021ba pe care rotorul o genereaz\u0103 efectiv; al nostru <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/centrifugal-force-unbalance\/\">Calculator de for\u021b\u0103 centrifug\u0103 din dezechilibru<\/a> transform\u0103 un dezechilibru \u0219i o tura\u021bie date direct \u00een newtoni, ceea ce face urgen\u021ba evident\u0103.<\/p>\n<h3>Urm\u0103rirea progresului<\/h3>\n<p>Compararea dezechilibrului ini\u021bial cu dezechilibrul rezidual dup\u0103 corec\u021bie cuantific\u0103 reu\u0219ita lucr\u0103rii. O echilibrare bun\u0103 reduce de regul\u0103 vibra\u021bia cu 70\u201390% sau mai mult fa\u021b\u0103 de nivelul ini\u021bial.<\/p>\n<h3>Calculul coeficientului de influen\u021b\u0103<\/h3>\n<p>\u00cen <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">metoda coeficientului de influen\u021b\u0103<\/a>, vectorul dezechilibrului ini\u021bial este sc\u0103zut din vibra\u021bia m\u0103surat\u0103 \u00een timpul rul\u0103rii cu masa de prob\u0103 pentru a izola efectul masei de prob\u0103:<\/p>\n<blockquote><p>T = (O + T) \u2212 O, &nbsp; unde O este dezechilibrul ini\u021bial, iar T este efectul masei de prob\u0103.<\/p><\/blockquote>\n<p>Pornind de la acest efect izolat, analizorul calculeaz\u0103 coeficientul de influen\u021b\u0103 \u0219i, \u00een continuare, masa \u0219i unghiul de corec\u021bie corecte. Pentru o lucrare \u00eentr-un singur plan, pute\u021bi reproduce acest calcul cu <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/influence-coefficient-calculator\/\">Calculator al coeficientului de influen\u021b\u0103<\/a>.<\/p>\n<h2>4. Rela\u021bia cu dezechilibrul rezidual<\/h2>\n<p>\u00centregul scop al echilibr\u0103rii este reducerea dezechilibrului ini\u021bial la un nivel rezidual acceptabil de mic. Rela\u021bia este o simpl\u0103 compara\u021bie \u00eenainte-\u0219i-dup\u0103:<\/p>\n<ul>\n<li><strong>Dezechilibrul ini\u021bial:<\/strong> condi\u021bia &#8220;\u00eenainte&#8221;.<\/li>\n<li><strong>Corec\u0163ie:<\/strong> procedura de echilibrare \u0219i instalarea greut\u0103\u021bilor.<\/li>\n<li><strong>Dezechilibru rezidual:<\/strong> condi\u021bia &#8220;dup\u0103&#8221;.<\/li>\n<\/ul>\n<p>\u00cen mod ideal, dezechilibrul rezidual ar trebui s\u0103 fie sub 10\u201330% din cel ini\u021bial, \u021binta exact\u0103 fiind stabilit\u0103 de cerin\u021ba privind calitatea echilibr\u0103rii rotorului conform <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> (succesorul modern al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-1940-1\/\">ISO 1940-1<\/a>). Traducerea unui <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/g-grade\/\">Grad G<\/a> \u0219i tura\u021bia de func\u021bionare \u00eentr-o valoare admisibil\u0103 exprimat\u0103 \u00een gram-milimetri este rapid\u0103 cu <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/residual-unbalance-iso1940\/\">Calculator de dezechilibru rezidual (ISO 21940-11)<\/a>.<\/p>\n<h2>5. Niveluri tipice de dezechilibru ini\u021bial<\/h2>\n<p>M\u0103rimea dezechilibrului ini\u021bial variaz\u0103 considerabil \u00een func\u021bie de tipul echipamentului \u0219i de istoricul de exploatare.<\/p>\n<h3>Rotoare noi sau recent echilibrate<\/h3>\n<p>Vibra\u021biile se situeaz\u0103 de regul\u0103 \u00eentre 0,5 \u0219i 2,0 mm\/s (0,02 p\u00e2n\u0103 la 0,08 in\/s) pentru utilajele industriale \u2014 o stare de echilibrare bun\u0103 p\u00e2n\u0103 la acceptabil\u0103.<\/p>\n<h3>Rotoare moderat dezechilibrate<\/h3>\n<p>O vibra\u021bie de 2,0 p\u00e2n\u0103 la 7,0 mm\/s (0,08 p\u00e2n\u0103 la 0,28 in\/s) \u00eenseamn\u0103 c\u0103 rotorul ar trebui echilibrat \u00een cur\u00e2nd. Aceasta este o stare frecvent\u0103 pentru echipamentele care necesit\u0103 o \u00eentre\u021binere de rutin\u0103.<\/p>\n<h3>Rotoare sever dezechilibrate<\/h3>\n<p>O vibra\u021bie de peste 7,0 mm\/s (0,28 in\/s) semnaleaz\u0103 un dezechilibru sever care necesit\u0103 interven\u021bie imediat\u0103, adesea cauzat de o palet\u0103 lips\u0103, de depuneri masive sau de deteriorarea unei componente importante.<\/p>\n<p><em>Not\u0103: acestea sunt recomand\u0103ri generale pentru utilajele industriale tipice. Nivelul acceptabil specific depinde de tipul, dimensiunea, tura\u021bia \u0219i modul de montare al ma\u0219inii, a\u0219a cum este definit de standarde precum <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-20816-1\/\">ISO 20816<\/a> serie (fost\u0103 ISO 10816).<\/em><\/p>\n<h2>6. M\u0103surarea pe teren \u0219i documentarea<\/h2>\n<p>Pe o ma\u0219in\u0103 asamblat\u0103, dezechilibrul ini\u021bial este captat la fa\u021ba locului, \u0219i nu pe un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/balancing-machine\/\">ma\u0219in\u0103 de echilibrat<\/a>. Un analizor portabil cu dou\u0103 canale, precum <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> cite\u0219te amplitudinea \u0219i faza 1\u00d7 \u00een chiar lag\u0103rele ma\u0219inii la tura\u021bia de func\u021bionare, \u00eenregistreaz\u0103 vectorul original &#8220;O&#8221;, iar apoi ghideaz\u0103 rularea cu greutate de prob\u0103 \u0219i rul\u0103rile de corec\u021bie care \u00eel reduc \u2014 surprinz\u00e2nd starea real\u0103 constatat\u0103 \u00een care func\u021bioneaz\u0103 efectiv rotorul, inclusiv efectele de asamblare \u0219i termice pe care o ma\u0219in\u0103 de echilibrat de atelier nu le-ar putea sesiza niciodat\u0103.<\/p>\n<p>Indiferent de instrumentul utilizat, m\u0103surarea dezechilibrului ini\u021bial face parte din fi\u0219a de echilibrare:<\/p>\n<ul>\n<li>amplitudinea \u0219i faza vibra\u021biilor \u00een fiecare punct de m\u0103surare;<\/li>\n<li>tura\u021bia de func\u021bionare \u00een timpul m\u0103sur\u0103rii;<\/li>\n<li>data \u0219i identificarea echipamentului; \u0219i<\/li>\n<li>Orice cauze vizibile ale dezechilibrului observate \u00een timpul inspec\u021biei<\/li>\n<\/ul>\n<p>Aceast\u0103 documenta\u021bie construie\u0219te o eviden\u021b\u0103 istoric\u0103 a st\u0103rii rotorului \u0219i sprijin\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/trend-analysis\/\">analiza tendin\u021belor<\/a> \u00een timp \u2014 dezv\u0103luind, de exemplu, dac\u0103 dezechilibrul cre\u0219te lent din cauza depunerilor sau a eroziunii \u0219i permi\u021b\u00e2nd planificarea \u00eentre\u021binerii \u00eenainte ca vibra\u021biile s\u0103 devin\u0103 severe.<\/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 dezechilibrul ini\u021bial, condi\u021bia ini\u021bial\u0103 de dezechilibru prezent\u0103 \u00eentr-un rotor \u00eenainte de aplicarea oric\u0103ror corec\u021bii de echilibrare, m\u0103surat\u0103 ca punct de referin\u021b\u0103 pentru procedurile de echilibrare.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-147","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/147","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":5,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/147\/revisions"}],"predecessor-version":[{"id":102804,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/147\/revisions\/102804"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}