{"id":230,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/self-excited-vibration\/"},"modified":"2026-05-23T22:39:08","modified_gmt":"2026-05-23T22:39:08","slug":"self-excited-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hu\/glossary\/self-excited-vibration\/","title":{"rendered":"Mi az \u00f6ngerjesztett rezg\u00e9s? \u2013 Instabil rendszerv\u00e1laszok"},"content":{"rendered":"<h1>Az \u00f6ngerjesztett rezg\u00e9s meg\u00e9rt\u00e9se<\/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\/hu\/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\/hu\/product\/balanset-1\/\" title=\"Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 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 teljes k\u00e9szlet\u0171 hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 k\u00e9sz\u00fcl\u00e9k\" 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\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/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\/hu\/product\/balanset-1\/\" title=\"Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 Balanset-1A\">Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/product\/vibration-sensor\/\" title=\"Rezg\u00e9s\u00e9rz\u00e9kel\u0151\">\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=\"Balanset-1A rezg\u00e9s\u00e9rz\u00e9kel\u0151 k\u00f6zelr\u0151l\" 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\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/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\/hu\/product\/vibration-sensor\/\" title=\"Rezg\u00e9s\u00e9rz\u00e9kel\u0151\">Rezg\u00e9s\u00e9rz\u00e9kel\u0151<\/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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\">\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=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\" 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\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/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\/hu\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\">Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)<\/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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/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=\"Vibromera rotor kiegyens\u00falyoz\u00f3 k\u00e9szlet: hordt\u00e1ska, t\u00f6bbcsatorn\u00e1s jel\u00e1talak\u00edt\u00f3, k\u00e9zi analiz\u00e1tor, m\u00e1gneses talp, rezg\u00e9s\u00e9rz\u00e9kel\u0151k \u00e9s tekercselt k\u00e1belek.\" 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\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/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\/hu\/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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/product\/magnet-stand\/\" title=\"M\u00e1gneses \u00e1llv\u00e1ny 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=\"M\u00e1gneses alap.\" 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\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/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\/hu\/product\/magnet-stand\/\" title=\"M\u00e1gneses \u00e1llv\u00e1ny Insize-60-kgf\">M\u00e1gneses \u00e1llv\u00e1ny 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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/product\/reflective-tape\/\" title=\"F\u00e9nyvisszaver\u0151 szalag\">\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=\"F\u00e9nyvisszaver\u0151 szalag\" 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\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/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\/hu\/product\/reflective-tape\/\" title=\"F\u00e9nyvisszaver\u0151 szalag\">F\u00e9nyvisszaver\u0151 szalag<\/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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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\/hu\/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\/hu\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamikus kiegyens\u00falyoz\u00f3 &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=\"Balanset-1A k\u00e9szlet tartalma interf\u00e9sz egys\u00e9ggel, \u00e9rz\u00e9kel\u0151kkel, tachom\u00e9terrel \u00e9s tartoz\u00e9kokkal\" 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\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/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\/hu\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamikus kiegyens\u00falyoz\u00f3 &quot;Balanset-1A&quot; OEM\">Dinamikus kiegyens\u00falyoz\u00f3 \"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> + \u00c1FA (ha alkalmazand\u00f3)<\/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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" 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=\"\/hu\/wp-json\/wp\/v2\/glossary\/230?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=\"Kos\u00e1rba: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/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>\u00d6ngerjesztett rezg\u00e9s<\/strong> \u2014 m\u00e1s n\u00e9ven \u00f6nind\u00edtott vagy instabil rezg\u00e9s \u2014 egy k\u00fcl\u00f6n\u00f6sen vesz\u00e9lyes mozg\u00e1sfajta, amelyben a rendszer mozg\u00e1sa pontosan azokat az er\u0151ket hozza l\u00e9tre, amelyek fenntartj\u00e1k vagy feler\u0151s\u00edtik ezt a mozg\u00e1st. Ennek eredm\u00e9nyek\u00e9nt z\u00e1rt visszacsatol\u00e1si k\u00f6r alakul ki: a rezg\u00e9s saj\u00e1t hajt\u00f3erej\u00e9t hozza l\u00e9tre, \u00edgy az amplit\u00fad\u00f3 n\u00f6vekedhet, olykor katasztrof\u00e1lis m\u00e9rt\u00e9kig is, an\u00e9lk\u00fcl, hogy a k\u00fcls\u0151 gerjeszt\u00e9s b\u00e1rmilyen m\u00e9rt\u00e9kben megn\u00f6vekedne. Ez a mechanizmus \u00e1ll sz\u00e1mos, a legink\u00e1bb rettegett instabilit\u00e1s h\u00e1tter\u00e9ben <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/rotor-dynamics\/\">rotordinamika<\/a>, \u00e9s ennek gyors felismer\u00e9se a diagnosztika egyik alapvet\u0151 k\u00e9szs\u00e9ge.<\/p>\n<p>Ez alapvet\u0151en elt\u00e9r a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/forced-vibration\/\">k\u00e9nyszer\u00edtett rezg\u00e9s<\/a> such as <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/unbalance\/\">kiegyens\u00falyozatlans\u00e1g<\/a> vagy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/misalignment\/\">tengelyeltol\u00f3d\u00e1s<\/a>, ahol a rezg\u00e9s k\u00f6zvetlen, ar\u00e1nyos v\u00e1lasz egy adott, ismert gerjeszt\u00e9si frekvenci\u00e1j\u00fa periodikus bemeneti jelre. Ha a kiegyens\u00falyozatlans\u00e1got megdupl\u00e1zzuk, a v\u00e1lasz is megdupl\u00e1z\u00f3dik; ha a gerjeszt\u00e9st megsz\u00fcntetj\u00fck, a rezg\u00e9s le\u00e1ll. Egy \u00f6ngerjeszt\u0151 rendszerben nincs ilyen k\u00fcls\u0151 \u201e\u00f3ra\u201d \u2013 a mozg\u00e1s \u00f6nmag\u00e1t t\u00e1pl\u00e1lja, \u00e9s a hajt\u00f3energi\u00e1t egy \u00e1lland\u00f3 forr\u00e1sb\u00f3l, p\u00e9ld\u00e1ul forg\u00e1sb\u00f3l, folyad\u00e9k\u00e1raml\u00e1sb\u00f3l vagy v\u00e1g\u00e1si folyamatb\u00f3l nyeri.<\/p>\n<h2>1. A visszacsatol\u00e1si mechanizmus<\/h2>\n<p>Az \u00f6nkelt\u0151 rezg\u00e9s mechanizmusa a k\u00f6vetkez\u0151 l\u00e9p\u00e9sekben \u00edrhat\u00f3 le:<\/p>\n<ol>\n<li>Egy rendszer \u2013 p\u00e9ld\u00e1ul egy csap\u00e1gy\u00e1ban forg\u00f3 rotor \u2013 egyenletes mozg\u00e1sban van.<\/li>\n<li>Egy kis, v\u00e9letlenszer\u0171 zavar enyhe elmozdul\u00e1st vagy sebess\u00e9gv\u00e1ltoz\u00e1st okoz.<\/li>\n<li>Ez a mozg\u00e1sv\u00e1ltoz\u00e1s megv\u00e1ltoztatja a rendszerre hat\u00f3 er\u0151ket \u2013 p\u00e9ld\u00e1ul a folyad\u00e9knyom\u00e1st egy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/journal-bearing\/\">sikl\u00f3csap\u00e1gy<\/a> vagy a szersz\u00e1mra hat\u00f3 v\u00e1g\u00f3er\u0151.<\/li>\n<li>A legfontosabb, hogy a megv\u00e1ltozott er\u0151 \u00fagy hat, hogy <em>add energy<\/em> a rendszerbe, ezzel tov\u00e1bb er\u0151s\u00edtve azt a tendenci\u00e1t, amely m\u00e1r kor\u00e1bban is megfigyelhet\u0151 volt.<\/li>\n<li>A fokoz\u00f3d\u00f3 mozg\u00e1s m\u00e9g nagyobb er\u0151t eredm\u00e9nyez, ami m\u00e9g t\u00f6bb energi\u00e1t ad hozz\u00e1 \u2013 \u00e9s a folyamat megism\u00e9tl\u0151dik.<\/li>\n<\/ol>\n<p>A hurok addig n\u00f6veli az amplit\u00fad\u00f3t, am\u00edg azt a rendszerben fell\u00e9p\u0151 nemline\u00e1ris jelens\u00e9gek (a rotor kem\u00e9ny \u00fctk\u00f6z\u0151be \u00fctk\u00f6z\u00e9se, egy t\u00f6m\u00edt\u00e9s \u00e1ltal bez\u00e1rt h\u00e9zag) meg nem \u00e1ll\u00edtj\u00e1k, vagy am\u00edg valami meg nem hib\u00e1sodik. A legfontosabb fizikai felismer\u00e9s az energiaegyens\u00falyra vonatkozik: instabilit\u00e1s akkor alakul ki, amikor a mozg\u00e1st\u00f3l f\u00fcgg\u0151 er\u0151 gyorsabban juttat energi\u00e1t a rendszerbe, mint amennyit az <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/damping\/\">csillap\u00edt\u00e1s<\/a> el tudja vezetni. A megfelel\u0151 csillap\u00edt\u00e1s ez\u00e9rt az els\u0151 v\u00e9delmi vonal az \u00f6nrezg\u00e9s ellen.<\/p>\n<h2>2. Az \u00f6nind\u00edtott rezg\u00e9s gyakori p\u00e9ld\u00e1i<\/h2>\n<p>A g\u00e9pdiagnosztika sz\u00e1mos j\u00f3l ismert jelens\u00e9ge az \u00f6nhangol\u00f3 rezg\u00e9s tipikus p\u00e9ld\u00e1ja:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/hu\/glossary\/oil-whirl\/\">Olaj\u00f6rv\u00e9ny<\/a> \u00e9s olaj\u00f6rv\u00e9nyl\u00e9s:<\/strong> a forg\u00f3g\u00e9pek leggyakoribb p\u00e9ld\u00e1i. A folyad\u00e9kr\u00e9teges csap\u00e1gyban a forg\u00f3 tengely olajat h\u00faz be a terhel\u00e9st visel\u0151 \u00e9kbe. Egy zavar\u00f3 hat\u00e1s hat\u00e1s\u00e1ra maga az \u00e9k is k\u00f6rbeforoghat (\u00f6rv\u00e9nyelhet) a csap\u00e1gy k\u00f6r\u00fcl; az \u00f6rv\u00e9nyl\u0151 \u00e9k \u00e1ltal kifejtett nyom\u00e1s ell\u00f6ki a tengelyt, ami tov\u00e1bbi energi\u00e1t ad az \u00f6rv\u00e9nyl\u00e9snek. Az ebb\u0151l ered\u0151 rezg\u00e9s nem a forg\u00e1si sebess\u00e9ggel, hanem egy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/sub-synchronous\/\">szubszinkron<\/a> gyakoris\u00e1g, \u00e1ltal\u00e1ban 0,42\u20130,48-szorosa <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/running-speed\/\">\u00fczemi fordulatsz\u00e1m<\/a>. Ha a forg\u00e1s frekvenci\u00e1ja emelkedik, \u00e9s egybeesik a rotor <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/natural-frequency\/\">saj\u00e1tfrekvencia<\/a>, r\u00e1sz\u00e1ll, \u00e9s egyre hevesebb\u00e9 v\u00e1lik <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/shaft-whip\/\">ostor<\/a> \u00e1llapot.<\/li>\n<li><strong>Rezg\u00e9s (chatter) a megmunk\u00e1l\u00e1sban:<\/strong> Eszterg\u00e1l\u00e1s vagy mar\u00e1s sor\u00e1n a rezg\u00e9s akkor kezd\u0151dik, amikor a v\u00e1g\u00f3szersz\u00e1m rezegni kezd. Ez a rezg\u00e9s a forg\u00e1cs vastags\u00e1g\u00e1nak ingadoz\u00e1s\u00e1t okozza, a v\u00e1ltoz\u00f3 forg\u00e1csvastags\u00e1g pedig a v\u00e1g\u00e1si er\u0151 ingadoz\u00e1s\u00e1t eredm\u00e9nyezi, \u00e9s ez az ingadoz\u00f3 er\u0151 energi\u00e1t juttat vissza a szersz\u00e1m rezg\u00e9s\u00e9be \u2013 \u00edgy egyre er\u0151sebb, \u00f6nfenntart\u00f3 rezg\u00e9ss\u00e9 er\u0151s\u00f6dik, amely t\u00f6nkreteszi a fel\u00fcleti min\u0151s\u00e9get \u00e9s a szersz\u00e1mot.<\/li>\n<li><strong>Aerodinamikai rezg\u00e9s:<\/strong> a rep\u00fcl\u0151g\u00e9p sz\u00e1rny\u00e1nak (vagy egy turbinalap\u00e1tnak) hajl\u00edt\u00f3- \u00e9s csavar\u00f3 rezg\u00e9se, amelynek sor\u00e1n a mozg\u00e1s megv\u00e1ltoztatja az aerodinamikai profilj\u00e1t, a megv\u00e1ltozott profil pedig a l\u00e9gnyom\u00e1st, \u00e9s a megv\u00e1ltozott nyom\u00e1s energi\u00e1t juttat vissza a mozg\u00e1sba \u2013 ami ellen\u0151rizetlen \u00e1llapotban katasztrof\u00e1lis meghib\u00e1sod\u00e1shoz vezet.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/hu\/glossary\/rotor-rub\/\">Rotor rubs<\/a>:<\/strong> Amikor a rotor \u00e9rintkez\u00e9sbe ker\u00fcl egy \u00e1ll\u00f3 alkatr\u00e9sszel, a d\u00f6rzs\u00f6l\u0151d\u00e9s helyi h\u0151hat\u00e1s\u00e1t keltve a rotort felmeleg\u00edti \u00e9s megg\u00f6rb\u00edti. A megg\u00f6rb\u00fcl\u00e9s n\u00f6veli a d\u00f6rzs\u00f6l\u0151d\u00e9si er\u0151t, ami tov\u00e1bb fokozza a h\u0151termel\u00e9st \u00e9s a megg\u00f6rb\u00fcl\u00e9st, \u00edgy h\u0151visszacsatol\u00e1si hurkot hozva l\u00e9tre, amely v\u00e9g\u00fcl a rotor beragad\u00e1s\u00e1hoz vezethet.<\/li>\n<\/ul>\n<p>K\u00e9t tov\u00e1bbi, folyad\u00e9kmeghajt\u00e1s\u00fa rokon, amelyet \u00e9rdemes megismerni: <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/steam-whirl\/\">g\u0151z\u00f6rv\u00e9ny<\/a> a turbin\u00e1kban, valamint az \u00e1raml\u00e1s \u00e1ltal kiv\u00e1ltott instabilit\u00e1sok t\u00e1gabb k\u00f6r\u00e9ben, amelyeket <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/aerodynamic-forces\/\">aerodinamikai er\u0151k<\/a>, amelyek mindkett\u0151 ugyanazt az energia-visszacsatol\u00e1si logik\u00e1t k\u00f6vetik.<\/p>\n<h2>3. \u00d6ngener\u00e1lt \u00e9s k\u00e9nyszer\u00edtett rezg\u00e9s \u00f6sszehasonl\u00edt\u00e1sa<\/h2>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Trait<\/th>\n<th>K\u00e9nyszer\u00edtett rezg\u00e9s<\/th>\n<th>\u00d6ngerjesztett rezg\u00e9s<\/th>\n<\/tr>\n<tr>\n<td>Gerjeszt\u0151 frekvencia<\/td>\n<td>K\u00fcls\u0151 bemenet alapj\u00e1n \u00e1ll\u00edthat\u00f3 be (pl. 1\u00d7 aszimmetria eset\u00e9n)<\/td>\n<td>A rendszer \u00e1ltal maga \u00e1ll\u00edtja be, gyakran egy saj\u00e1t rezg\u00e9ssz\u00e1m<\/td>\n<\/tr>\n<tr>\n<td>Frekvencia \u00e9s sebess\u00e9g<\/td>\n<td>K\u00f6veti a forg\u00e1si sebess\u00e9get<\/td>\n<td>Gyakran szinkron alatti, \u00e9s nem k\u00f6veti az 1\u00d7-es sebess\u00e9get<\/td>\n<\/tr>\n<tr>\n<td>Az amplit\u00fad\u00f3 viselked\u00e9se<\/td>\n<td>Stabil, az er\u0151vel ar\u00e1nyos<\/td>\n<td>Korl\u00e1tlanul n\u00f6vekedhet, am\u00edg nem l\u00e9p k\u00f6zbe valamilyen nemline\u00e1ris t\u00e9nyez\u0151<\/td>\n<\/tr>\n<tr>\n<td>Energy source<\/td>\n<td>Az id\u0151szakos k\u00fcls\u0151 er\u0151<\/td>\n<td>A mozg\u00e1s \u00e1ltal kihaszn\u00e1lt \u00e1lland\u00f3 energiaforr\u00e1s (forg\u00e1s, \u00e1raml\u00e1s, v\u00e1g\u00e1s)<\/td>\n<\/tr>\n<\/table>\n<h2>4. F\u0151bb jellemz\u0151k \u00e9s diagn\u00f3zis<\/h2>\n<p>Az \u00f6nind\u00edtott rezg\u00e9sek \u00e1ltal\u00e1ban jellegzetes nyomokat hagynak a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/spectrum\/\">FFT spektrum<\/a>:<\/p>\n<ul>\n<li><strong>Nem szinkron frekvenci\u00e1k:<\/strong> A rezg\u00e9s \u00e1ltal\u00e1ban nem a forg\u00e1si sebess\u00e9g eg\u00e9sz sz\u00e1m\u00fa t\u00f6bbsz\u00f6r\u00f6se vagy harmonikusa. \u00c1ltal\u00e1ban szinkron alatti frekvenci\u00e1n jelentkezik.<\/li>\n<li><strong>Instabilit\u00e1s:<\/strong> az amplit\u00fad\u00f3 rendk\u00edv\u00fcl ingadoz\u00f3 lehet, \u00e9s a sebess\u00e9g, a h\u0151m\u00e9rs\u00e9klet vagy a terhel\u00e9s apr\u00f3 v\u00e1ltoz\u00e1sai eset\u00e9n is hirtelen megugorhat.<\/li>\n<li><strong>Sudden onset:<\/strong> a rezg\u00e9s teljesen hi\u00e1nyozhat mindaddig, am\u00edg a g\u00e9p el nem \u00e9ri egy bizonyos fordulatsz\u00e1m- vagy terhel\u00e9si k\u00fcsz\u00f6b\u00e9rt\u00e9ket \u2013 ami gyakran \u00f6sszef\u00fcgg <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/critical-speed\/\">kritikus sebess\u00e9g<\/a> \u2014 ekkor hirtelen \u00e9s nagy amplit\u00fad\u00f3val jelenik meg.<\/li>\n<\/ul>\n<p>A diagn\u00f3zis azt jelenti, hogy azonos\u00edtjuk ezeket a jellegzetes, nem szinkron cs\u00facsokat, majd megpr\u00f3b\u00e1ljuk meg\u00e9rteni azt a fizikai mechanizmust, amely az adott g\u00e9pben ilyen instabilit\u00e1st okozhat. Mivel a jelens\u00e9g megjelen\u00e9se az \u00fczemeltet\u00e9si felt\u00e9telekhez k\u00f6t\u0151dik, a fordulatsz\u00e1m-v\u00e1ltoz\u00e1st r\u00f6gz\u00edt\u0151 felv\u00e9telek k\u00fcl\u00f6n\u00f6sen sokat \u00e1rulnak el: a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/cascade-plot\/\">cascade plot<\/a> A gyorsul\u00e1s vagy a lefut\u00e1s sor\u00e1n r\u00f6gz\u00edtett jelek azt mutatj\u00e1k, hogy megjelenik egy szinkron alatti komponens, amely azt\u00e1n r\u00e1\u00e1ll egy saj\u00e1tfrekvenci\u00e1ra; ez a forg\u00f3 \u00f6rv\u00e9ny ostorr\u00e1 alakul\u00e1s\u00e1nak egy\u00e9rtelm\u0171 jele. A csap\u00e1gyakkal kapcsolatos esetekben egy <a href=\"https:\/\/vibromera.eu\/hu\/calculators\/journal-bearing-frequencies\/\">csap\u00e1gycsap-hib\u00e1k gyakoris\u00e1g\u00e1nak kisz\u00e1m\u00edt\u00f3ja<\/a> seg\u00edt meger\u0151s\u00edteni, hogy egy gyan\u00fas cs\u00facs az olaj\u00f6rv\u00e9ny-s\u00e1vba esik-e. Ennek a teljes jelens\u00e9gnek az \u00f6sszefoglal\u00f3 neve <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/rotor-instability\/\">rotorinstabilit\u00e1s<\/a>... \u00e9s ennek megk\u00fcl\u00f6nb\u00f6ztet\u00e9se a k\u00e9nyszerrezg\u00e9st\u0151l az elemz\u0151 els\u0151 \u00e9s legfontosabb d\u00f6nt\u00e9si pontja \u2013 mivel a megold\u00e1s teljesen elt\u00e9r\u0151: a k\u00e9nyszerrezg\u00e9st kiegyens\u00falyoz\u00e1ssal vagy be\u00e1ll\u00edt\u00e1ssal lehet cs\u00f6kkenteni, m\u00edg az \u00f6nindul\u00f3 instabilit\u00e1st a csap\u00e1gy geometri\u00e1j\u00e1nak, h\u00e9zag\u00e1nak, terhel\u00e9s\u00e9nek vagy csillap\u00edt\u00e1s\u00e1nak m\u00f3dos\u00edt\u00e1s\u00e1val kell kik\u00fcsz\u00f6b\u00f6lni.<\/p>\n<h2>5. Mi\u00e9rt nem lehet kiegyens\u00falyoz\u00e1ssal megsz\u00fcntetni<\/h2>\n<p>A fizik\u00e1b\u00f3l k\u00f6zvetlen\u00fcl k\u00f6vetkezik egy gyakorlati figyelmeztet\u00e9s. Mivel az \u00f6nind\u00edtott rezg\u00e9s nem egy forg\u00f3 neh\u00e9z pont hat\u00e1s\u00e1ra alakul ki, ez\u00e9rt korrekci\u00f3s s\u00falyok hozz\u00e1ad\u00e1s\u00e1val nem sz\u00fcntethet\u0151 meg \u2013 az energi\u00e1t ugyanis a csap\u00e1gyfolyad\u00e9k, a v\u00e1g\u00e1si folyamat vagy a l\u00e9g\u00e1ram biztos\u00edtja, nem pedig a t\u00f6meg-kiegyens\u00falyozatlans\u00e1g. Pontosan ez\u00e9rt fontos a gondos helysz\u00edni m\u00e9r\u00e9s minden korrekci\u00f3s beavatkoz\u00e1s el\u0151tt: amikor a m\u00e9rn\u00f6k egy hordozhat\u00f3, k\u00e9tcsatorn\u00e1s analiz\u00e1torral, p\u00e9ld\u00e1ul a <a href=\"https:\/\/vibromera.eu\/hu\/termek\/balanset-1\/\">Balanset-1A<\/a>, egy stabil, ism\u00e9tl\u0151d\u0151 1\u00d7 vektor val\u00f3di kiegyens\u00falyoz\u00e1si probl\u00e9m\u00e1ra utal, m\u00edg egy ingadoz\u00f3, szubszinkron, nem ism\u00e9tl\u0151d\u0151 komponens arra utal, hogy a hiba instabilit\u00e1sb\u00f3l ered, \u00e9s a kiegyens\u00falyoz\u00e1s felesleges er\u0151fesz\u00edt\u00e9s lenne. A <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/vibration-analyzer\/\">analyser<\/a> ez\u00e1ltal elker\u00fcli azt a klasszikus hib\u00e1t, hogy megpr\u00f3b\u00e1ljunk kiegyens\u00falyoz\u00e1ssal megsz\u00fcntetni egy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/whirl\/\">kereng\u00e9s<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/hu\/glossary\/\">\u2190 Vissza a f\u0151 tartalomjegyz\u00e9khez<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Az \u00f6ngerjesztett rezg\u00e9s magyar\u00e1zata, egy vesz\u00e9lyes rezg\u00e9st\u00edpus, ahol maga a mozg\u00e1s hozza l\u00e9tre a rezg\u00e9st fenntart\u00f3 vagy feler\u0151s\u00edt\u0151 er\u0151ket, mint p\u00e9ld\u00e1ul az olaj\u00f6rv\u00e9ny \u00e9s a z\u00f6rg\u00e9s.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-230","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/230\/revisions"}],"predecessor-version":[{"id":101308,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/230\/revisions\/101308"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"munkaf\u00fczet","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}