{"id":73,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/centrifugal-force\/"},"modified":"2026-07-03T10:03:56","modified_gmt":"2026-07-03T10:03:56","slug":"centrifugal-force","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/centrifugal-force\/","title":{"rendered":"Ce este for\u021ba centrifug\u0103 \u00een ma\u0219inile rotative?"},"content":{"rendered":"<h1>\u00cen\u021belegerea for\u021bei centrifuge \u00een ma\u0219inile rotative<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + TVA (dac\u0103 este cazul)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/ro\/wp-json\/wp\/v2\/glossary\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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\/73?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, 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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\/73?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\" 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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, 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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\/73?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\/73?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: 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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, 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class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/ro\/product-category\/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\/73?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\/73?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>For\u021ba centrifug\u0103<\/strong> este for\u021ba aparent\u0103 exercitat\u0103 spre exterior asupra unei mase care se deplaseaz\u0103 pe o traiectorie circular\u0103. \u00cen cazul ma\u0219inilor rotative, aceasta este cauza principal\u0103 a majorit\u0103\u021bii <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a>: when a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor\/\">rotor<\/a> carries <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> \u2014 centrul s\u0103u de mas\u0103 fiind decalat fa\u021b\u0103 de axa de rota\u021bie \u2014 masa excentric\u0103 genereaz\u0103 o for\u021b\u0103 care ac\u021bioneaz\u0103 radial spre exterior, \u00een direc\u021bia punctului de greutate, \u0219i se rote\u0219te cu viteza arborelui. Aceast\u0103 for\u021b\u0103 de rota\u021bie este tocmai cea care <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> are rolul de a reduce la minimum, iar \u00een\u021belegerea amplorii \u0219i comportamentului s\u0103u este esen\u021bial\u0103 pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-dynamics\/\">dinamica rotorului<\/a> \u0219i analiza vibra\u021biilor.<\/p>\n<h2>1. Expresia matematic\u0103<\/h2>\n<h3>Formula de baz\u0103<\/h3>\n<p>M\u0103rimea for\u021bei centrifuge generate de o mas\u0103 excentric\u0103 este:<\/p>\n<ul>\n<li><strong>F = m \u00d7 r \u00d7 \u03c9\u00b2<\/strong><\/li>\n<li><strong>F<\/strong> = for\u021ba centrifug\u0103 (newtoni)<\/li>\n<li><strong>m<\/strong> = masa dezechilibrat\u0103 (kilograme)<\/li>\n<li><strong>r<\/strong> = excentricitatea masei (metri)<\/li>\n<li><strong>\u03c9<\/strong> = viteza unghiular\u0103 (radiani pe secund\u0103) = 2\u03c0 \u00d7 RPM \/ 60<\/li>\n<\/ul>\n<h3>Form\u0103 alternativ\u0103 folosind RPM \u0219i g\u00b7mm<\/h3>\n<p>Pentru opera\u021biunile de echilibrare de zi cu zi, \u00een care dezechilibrul este exprimat \u00een grame-milimetri, aceea\u0219i lege fizic\u0103 se scrie mai simplu astfel:<\/p>\n<ul>\n<li><strong>F (N) = U \u00d7 (RPM \/ 9549)\u00b2<\/strong><\/li>\n<li>unde <strong>U<\/strong> = dezechilibru (g\u00b7mm) = m \u00d7 r<\/li>\n<li>Aceast\u0103 form\u0103 se introduce direct \u00een specifica\u021biile de echilibrare, f\u0103r\u0103 a fi nevoie s\u0103 jongla\u021bi cu unit\u0103\u021bile de m\u0103sur\u0103.<\/li>\n<\/ul>\n<p>Dac\u0103 prefera\u021bi s\u0103 nu face\u021bi calculele manual, atunci <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/centrifugal-force-unbalance\/\">Calculator de for\u021b\u0103 centrifug\u0103 din dezechilibru<\/a> calculeaz\u0103 for\u021ba direct pe baza valorii de dezechilibru \u0219i a vitezei.<\/p>\n<h3>Rela\u021bia de propor\u021bionalitate cu p\u0103tratul vitezei<\/h3>\n<p>Cea mai important\u0103 proprietate a for\u021bei centrifuge este aceea c\u0103 variaz\u0103 propor\u021bional cu <em>p\u0103trat<\/em> a vitezei de rota\u021bie:<\/p>\n<ul>\n<li>Dublarea vitezei \u00eenmul\u021be\u0219te for\u021ba cu patru (2\u00b2 = 4).<\/li>\n<li>Triplarea vitezei o \u00eenmul\u021be\u0219te cu nou\u0103 (3\u00b2 = 9).<\/li>\n<li>Aceast\u0103 lege p\u0103tratic\u0103 explic\u0103 de ce un dezechilibru inofensiv la viteze mici devine periculos la viteze mari \u2014 \u0219i de ce utilajele care func\u021bioneaz\u0103 la viteze mari necesit\u0103 un echilibru mult mai precis.<\/li>\n<\/ul>\n<h2>2. Cum produce for\u021ba centrifug\u0103 vibra\u021biile<\/h2>\n<p>For\u021ba de rota\u021bie nu provoac\u0103 vibra\u021bii ma\u0219inii \u00een sine; aceasta ac\u021bioneaz\u0103 prin excitarea unei structuri elastice. Lan\u021bul cauz\u0103-efect se desf\u0103\u0219oar\u0103 astfel:<\/p>\n<ol>\n<li>For\u021ba centrifug\u0103 de rota\u021bie ac\u021bioneaz\u0103 asupra rotorului.<\/li>\n<li>Se transmite prin arbore c\u0103tre rulmen\u021bi \u0219i suporturi.<\/li>\n<li>The elastic <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-bearing-system\/\">sistemul rotor-lag\u0103r-fundament<\/a> r\u0103spunde prin deformare.<\/li>\n<li>Aceast\u0103 deviere este interpretat\u0103 de senzor ca o vibra\u021bie la nivelul rulmen\u021bilor.<\/li>\n<li>Raportul dintre for\u021b\u0103 \u0219i vibra\u021bia m\u0103surat\u0103 depinde de sistemului <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/stiffness\/\">rigiditate<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/damping\/\">amortizare<\/a>.<\/li>\n<\/ol>\n<h3>Sub rezonan\u021b\u0103 \u2014 Func\u021bionare cu rotor rigid<\/h3>\n<ul>\n<li>Vibra\u021bia este aproximativ propor\u021bional\u0103 cu for\u021ba aplicat\u0103.<\/li>\n<li>Deoarece for\u021ba este propor\u021bional\u0103 cu viteza la p\u0103trat, \u0219i vibra\u021bia este propor\u021bional\u0103 cu viteza la p\u0103trat.<\/li>\n<li>Prin urmare, dublarea vitezei duce la o cre\u0219tere de aproximativ patru ori a amplitudinii vibra\u021biei.<\/li>\n<\/ul>\n<h3>La rezonan\u021b\u0103<\/h3>\n<p>C\u00e2nd ma\u0219ina func\u021bioneaz\u0103 la o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">vitez\u0103 critic\u0103<\/a>, situa\u021bia se schimb\u0103 radical:<\/p>\n<ul>\n<li>Chiar \u0219i for\u021ba centrifug\u0103 infim\u0103 provenit\u0103 de la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">dezechilibru rezidual<\/a> produce vibra\u021bii puternice.<\/li>\n<li>Factorul de amplificare (factorul Q) este de obicei cuprins \u00eentre 10 \u0219i 50, fiind determinat \u00een mare m\u0103sur\u0103 de amortizare.<\/li>\n<li>Aceast\u0103 amplificare rezonant\u0103 este tocmai motivul pentru care func\u021bionarea prelungit\u0103 la o vitez\u0103 critic\u0103 este at\u00e2t de distructiv\u0103.<\/li>\n<\/ul>\n<h2>3. Exemple rezolvate<\/h2>\n<h3>Exemplul 1 \u2014 Rotor de ventilator de dimensiuni reduse<\/h3>\n<ul>\n<li><strong>Dezechilibru:<\/strong> 10 g la o raz\u0103 de 100 mm = 1000 g\u00b7mm<\/li>\n<li><strong>Vitez\u0103:<\/strong> 1500 RPM<\/li>\n<li><strong>For\u021b\u0103:<\/strong> F = 1000 \u00d7 (1500 \/ 9549)\u00b2 \u2248 24,7 N (aproximativ 2,5 kgf)<\/li>\n<\/ul>\n<h3>Exemplul 2 \u2014 Acela\u0219i rotor, vitez\u0103 dubl\u0103<\/h3>\n<ul>\n<li><strong>Dezechilibru:<\/strong> acelea\u0219i 1000 g\u00b7mm<\/li>\n<li><strong>Vitez\u0103:<\/strong> 3000 RPM (dublat)<\/li>\n<li><strong>For\u021b\u0103:<\/strong> F = 1000 \u00d7 (3000 \/ 9549)\u00b2 \u2248 98,7 N (aproximativ 10,1 kgf)<\/li>\n<li><strong>Lec\u021bie:<\/strong> Dublarea vitezei a cvadruplat for\u021ba \u2014 legea p\u0103tratului vitezei \u00een ac\u021biune.<\/li>\n<\/ul>\n<h3>Exemplul 3 \u2014 Rotorul unei turbine de mari dimensiuni<\/h3>\n<ul>\n<li><strong>Rotor mass:<\/strong> 5000 kg<\/li>\n<li><strong>Vitez\u0103:<\/strong> 3600 rota\u021bii pe minut<\/li>\n<li><strong>Dezechilibru admisibil la G2.5:<\/strong> e<sub>pe<\/sub> = 9549 \u00d7 2.5 \/ 3600 \u2248 6.63 g\u00b7mm\/kg, so U = 6.63 \u00d7 5000 \u2248 33,150 g\u00b7mm<\/li>\n<li><strong>For\u021b\u0103:<\/strong> F = 33,150 \u00d7 (3600 \/ 9549)\u00b2 \u2248 4,700 N (about 480 kgf)<\/li>\n<li><strong>Implica\u021bie:<\/strong> chiar \u0219i un rotor &#8220;bine echilibrat&#8221; genereaz\u0103 for\u021be de rota\u021bie semnificative la tura\u021bie \u2014 aici aproape o jum\u0103tate de ton\u0103-for\u021b\u0103 \u2014 motiv pentru care toleran\u021ba rezidual\u0103 r\u0103m\u00e2ne important\u0103.<\/li>\n<\/ul>\n<h2>4. For\u021ba centrifug\u0103 \u00een echilibrare<\/h2>\n<h3>For\u021ba de dezechilibru este un vector<\/h3>\n<ul>\n<li><strong>Magnitudine:<\/strong> determinat\u0103 de dezechilibru \u0219i de vitez\u0103 (F = m \u00d7 r \u00d7 \u03c9\u00b2).<\/li>\n<li><strong>Direc\u0163ie:<\/strong> radial spre exterior, c\u0103tre punctul greu.<\/li>\n<li><strong>Rota\u0163ie:<\/strong> vectorul se rote\u0219te cu viteza arborelui \u2014 1\u00d7 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">viteza de func\u021bionare<\/a> component.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/phase\/\">Faza<\/a>:<\/strong> pozi\u021bia unghiular\u0103 a for\u021bei \u00een orice moment, care <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/tachometer\/\">tahometru<\/a> referin\u021ba permite analizorului s\u0103 efectueze m\u0103surarea.<\/li>\n<\/ul>\n<h3>Principiul echilibr\u0103rii<\/h3>\n<p>Echilibrarea se realizeaz\u0103 prin generarea unei for\u021be centrifuge egale \u0219i opuse:<\/p>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/correction-weight\/\">greutatea de corec\u021bie<\/a> este amplasat la 180\u00b0 fa\u021b\u0103 de punctul greu.<\/li>\n<li>Aceasta genereaz\u0103 o for\u021b\u0103 de aceea\u0219i m\u0103rime, dar de sens opus.<\/li>\n<li>The <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vector-addition\/\">sum\u0103 vectorial\u0103<\/a> a originalului, iar raportul dintre for\u021bele de corec\u021bie tinde spre zero.<\/li>\n<li>Odat\u0103 ce for\u021ba net\u0103 de rota\u021bie este redus\u0103 la minimum, vibra\u021biile dispar.<\/li>\n<\/ul>\n<h3>Two-Plane Work<\/h3>\n<p>Pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/two-plane-balancing\/\">echilibrare pe dou\u0103 planuri<\/a>, for\u021bele centrifuge din fiecare plan genereaz\u0103 at\u00e2t o for\u021b\u0103 rezultant\u0103, c\u00e2t \u0219i o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/couple-unbalance\/\">cuplu<\/a>. Greut\u0103\u021bile de corec\u021bie trebuie s\u0103 anuleze at\u00e2t dezechilibrul de for\u021be, c\u00e2t \u0219i cuplul, iar efectul net se ob\u021bine prin \u00eensumarea vectorial\u0103 a contribu\u021biilor din ambele planuri. \u00cen practic\u0103, acest \u00eentreg calcul vectorial este realizat de un instrument portabil cu dou\u0103 canale, cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a>, care m\u0103soar\u0103 amplitudinea \u0219i faza de 1\u00d7, calculeaz\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">coeficien\u021bi de influen\u021b\u0103<\/a>\u0219i calculeaz\u0103 masa \u0219i unghiul fiec\u0103rei greut\u0103\u021bi de corec\u021bie din rulmen\u021bii proprii ai ma\u0219inii la viteza de func\u021bionare.<\/p>\n<h2>5. Implica\u021bii privind sarcina rulmentului<\/h2>\n<h3>Sarcina static\u0103 vs. sarcina dinamic\u0103<\/h3>\n<ul>\n<li><strong>Static load:<\/strong> sarcina constant\u0103 exercitat\u0103 asupra rulmentului de greutatea rotorului (gravita\u021bia).<\/li>\n<li><strong>Sarcin\u0103 dinamic\u0103:<\/strong> sarcina rotativ\u0103 generat\u0103 de for\u021ba centrifug\u0103 datorat\u0103 dezechilibrului.<\/li>\n<li><strong>Total load:<\/strong> suma vectorial\u0103, care variaz\u0103 de-a lungul circumferin\u021bei pe m\u0103sur\u0103 ce rotorul se rote\u0219te.<\/li>\n<li><strong>Sarcin\u0103 maxim\u0103:<\/strong> se produce atunci c\u00e2nd sarcinile statice \u0219i dinamice se aliniaz\u0103 temporar.<\/li>\n<\/ul>\n<h3>Efectul asupra duratei de via\u021b\u0103 a rulmentului<\/h3>\n<ul>\n<li>Durata de via\u021b\u0103 a rulmen\u021bilor este invers propor\u021bional\u0103 cu cubul sarcinii (L10 \u221d 1\/P\u00b3).<\/li>\n<li>Astfel, o cre\u0219tere modest\u0103 a sarcinii dinamice scurteaz\u0103 durata de via\u021b\u0103 \u00een mod dispropor\u021bionat.<\/li>\n<li>For\u021ba centrifug\u0103 generat\u0103 de dezechilibru contribuie direct la sarcina rulmentului.<\/li>\n<li>O bun\u0103 calitate a echilibr\u0103rii este, prin urmare, esen\u021bial\u0103 pentru durabilitatea rulmentului, nu doar pentru confort.<\/li>\n<\/ul>\n<h2>6. For\u021ba centrifug\u0103 \u00een func\u021bie de clasele de vitez\u0103 ale ma\u0219inii<\/h2>\n<h3>Echipamente cu vitez\u0103 redus\u0103 (sub ~1000 rpm)<\/h3>\n<ul>\n<li>For\u021bele centrifuge sunt relativ reduse; de cele mai multe ori, sarcinile gravita\u021bionale statice sunt predominante.<\/li>\n<li>Sunt acceptabile toleran\u021be mai mari la dezechilibru, iar dezechilibrele absolute mari pot fi tolerate.<\/li>\n<\/ul>\n<h3>Echipamente cu vitez\u0103 medie (~1000\u20135000 rpm)<\/h3>\n<ul>\n<li>For\u021bele centrifuge sunt semnificative \u0219i trebuie controlate; majoritatea utilajelor industriale func\u021bioneaz\u0103 \u00een aceste condi\u021bii.<\/li>\n<li>Typical <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/balancing-grade\/\">grade de calitate de echilibrare<\/a> de la G2.5 la G16.<\/li>\n<li>Echilibrarea este esen\u021bial\u0103 at\u00e2t pentru durata de via\u021b\u0103 a rulmentului, c\u00e2t \u0219i pentru controlul vibra\u021biilor.<\/li>\n<\/ul>\n<h3>Echipamente de mare vitez\u0103 (peste ~5000 rpm)<\/h3>\n<ul>\n<li>For\u021bele centrifuge prevaleaz\u0103 asupra sarcinilor statice.<\/li>\n<li>Sunt necesare toleran\u021be foarte stricte (de la G0,4 la G2,5).<\/li>\n<li>Chiar \u0219i cele mai mici dezechilibre genereaz\u0103 for\u021be enorme, de aceea echilibrarea precis\u0103 este esen\u021bial\u0103.<\/li>\n<\/ul>\n<h2>7. Viteze critice \u0219i rotoare flexibile<\/h2>\n<h3>Amplificare la rezonan\u021b\u0103<\/h3>\n<p>At a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/critical-speed\/\">vitez\u0103 critic\u0103<\/a>, aceea\u0219i for\u021b\u0103 centrifug\u0103 este amplificat\u0103 de factorul Q al sistemului (de obicei \u00eentre 10 \u0219i 50), astfel \u00eenc\u00e2t amplitudinea vibra\u021biilor dep\u0103\u0219e\u0219te cu mult cea din regimul subcritic \u2014 aceasta fiind cea mai clar\u0103 dovad\u0103 a motivului pentru care trecerea la tura\u021biile critice trebuie s\u0103 se fac\u0103 rapid sau s\u0103 fie evitat\u0103.<\/p>\n<h3>Comportamentul rotorului flexibil<\/h3>\n<p>Pentru <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/flexible-rotor\/\">rotoare flexibile<\/a> func\u021bionarea la o vitez\u0103 mai mare dec\u00e2t cea critic\u0103:<\/p>\n<ul>\n<li>Arborele se \u00eendoaie sub ac\u021biunea for\u021bei centrifuge, iar aceast\u0103 deformare spore\u0219te \u0219i mai mult excentricitatea.<\/li>\n<li>Peste viteza critic\u0103 se produce un efect de autocentrare, care reduce sarcinile asupra rulmen\u021bilor.<\/li>\n<li>Contrar a\u0219tept\u0103rilor, vibra\u021biile pot de fapt <em>sc\u0103dea<\/em> odat\u0103 ce rotorul se afl\u0103 \u00een siguran\u021b\u0103 peste viteza sa critic\u0103.<\/li>\n<\/ul>\n<h2>8. Leg\u0103tura cu standardele de echilibrare<\/h2>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/g-grade\/\">Clasele de calitate a echilibr\u0103rii<\/a> \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> exist\u0103 tocmai pentru a limita for\u021ba centrifug\u0103:<\/p>\n<ul>\n<li>Cu c\u00e2t valoarea G este mai mic\u0103, cu at\u00e2t dezechilibrul este mai redus.<\/li>\n<li>Acest lucru limiteaz\u0103 for\u021ba de rota\u021bie la orice vitez\u0103.<\/li>\n<li>Men\u021bine for\u021bele centrifuge \u00een limitele de siguran\u021b\u0103 prev\u0103zute de proiectul ma\u0219inii.<\/li>\n<li>Diferitelor tipuri de echipamente li se atribuie, \u00een consecin\u021b\u0103, toleran\u021be de for\u021b\u0103 diferite.<\/li>\n<\/ul>\n<h2>9. M\u0103surarea \u0219i estimarea for\u021bei<\/h2>\n<h3>De la vibra\u021bie la for\u021b\u0103<\/h3>\n<p>\u00cen echilibrarea c\u00e2mpului, for\u021ba nu se m\u0103soar\u0103 direct, dar poate fi estimat\u0103: se cite\u0219te amplitudinea vibra\u021biilor la viteza de func\u021bionare, se estimeaz\u0103 rigiditatea sistemului pe baza rotorului <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/influence-coefficient\/\">coeficien\u021bi de influen\u021b\u0103<\/a>\u0219i se calculeaz\u0103 F \u2248 k \u00d7 deforma\u021bie. Aceasta este o metod\u0103 util\u0103 pentru a evalua ce propor\u021bie din sarcina rulmentului provine din dezechilibru.<\/p>\n<h3>De la dezechilibru la for\u021b\u0103<\/h3>\n<p>Dac\u0103 dezechilibrul este cunoscut, for\u021ba se calculeaz\u0103 direct din ecua\u021bia F = m \u00d7 r \u00d7 \u03c9\u00b2 (sau F = U \u00d7 (RPM \/ 9549)\u00b2, unde U este exprimat\u0103 \u00een g\u00b7mm), oferind valoarea for\u021bei a\u0219teptate pentru orice dezechilibru \u0219i vitez\u0103 \u2014 aceasta constituind baza verific\u0103rilor de proiectare \u0219i a verific\u0103rii toleran\u021belor.<\/p>\n<p>For\u021ba centrifug\u0103 este mecanismul fundamental prin care dezechilibrul se transform\u0103 \u00een vibra\u021bii \u00een cazul ma\u0219inilor rotative. Dependen\u021ba sa p\u0103tratic\u0103 de vitez\u0103 explic\u0103 de ce calitatea echilibr\u0103rii devine din ce \u00een ce mai important\u0103 pe m\u0103sur\u0103 ce viteza cre\u0219te \u0219i de ce chiar \u0219i un dezechilibru minor poate genera for\u021be enorme \u0219i vibra\u021bii distructive \u00een echipamentele de mare vitez\u0103.<\/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 for\u021ba centrifug\u0103, for\u021ba exterioar\u0103 generat\u0103 de dezechilibrul rotativ care provoac\u0103 vibra\u021bii \u0219i sarcini pe rulmen\u021bi \u00een ma\u0219ini, propor\u021bional\u0103 cu p\u0103tratul vitezei de rota\u021bie.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-73","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/73","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":2,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/73\/revisions"}],"predecessor-version":[{"id":102173,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/73\/revisions\/102173"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=73"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=73"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=73"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}