{"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\/tl\/glossary\/self-excited-vibration\/","title":{"rendered":"Ano ang Self-Excited Vibration? &#8211; Mga Unstable na Tugon ng Sistema"},"content":{"rendered":"<h1>Pag-unawa sa Self-Excited na Vibration<\/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\/tl\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer 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 full kit portable na balancer at vibration analyzer\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">Portable na balancer &#038; vibration analyzer na 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\">&euro;<\/span>1,975.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">\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 vibration sensor close-up\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">Sensor ng vibraci\u00f3n<\/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\">&euro;<\/span>90.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">\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=\"Optical Sensor (Laser Tachometer)\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser Tachometer)<\/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\">&euro;<\/span>124.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \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=\"\">Add to cart<\/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\/tl\/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\/tl\/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 balancing kit: carrying case, multi-channel signal conditioner, handheld analyzer, magnetic base, mga vibration sensor, at mga coiled cable.\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/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\">&euro;<\/span>6,803.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand 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=\"Magnet base.\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">Magnetic Stand 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 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class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \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=\"\">Add to cart<\/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>Self-excited na vibration<\/strong> \u2014 tinatawag din itong self-induced o unstable vibration \u2014 ay isang partikular na mapanganib na uri ng galaw kung saan ang kilos ng isang sistema ay bumubuo ng mismong mga puwersang nagpapanatili o nagpapalaki ng galaw na iyon. Ang resulta ay isang closed feedback loop: ang vibration ay lumilikha ng sarili nitong driving force, kaya ang amplitude ay maaaring lumaki, minsan hanggang sa antas ng kapahamakan, nang walang anumang pagtaas sa anumang panlabas na excitation. Ito ang mekanismo sa likod ng ilan sa mga pinaka-kinatatakutang instability sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rotor-dynamics\/\">rotor dynamics<\/a>, at ang mabilis na pagkilala dito ay isang pangunahing kasanayan sa diagnostic.<\/p>\n<p>Ito ay pundamental na naiiba mula sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/forced-vibration\/\">forced vibration<\/a> such as <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a> or <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/misalignment\/\">misalignment<\/a>, kung saan ang vibration ay isang direkta, proporsyonal na tugon sa isang tiyak na periodic na input sa isang kilalang forcing frequency. Doblehin ang unbalance at modoble ang tugon; alisin ang forcing at titigil ang vibration. Sa isang self-excited na sistema ay wala ang ganitong panlabas na orasan \u2014 ang galaw ay nagpapakain sa sarili nito, at ang enerhiya na nagtutulak dito ay kinukuha mula sa isang matatag na pinagkukunan tulad ng pag-ikot, daloy ng likido, o proseso ng paggupit.<\/p>\n<h2>1. Ang Mekanismo ng Feedback Loop<\/h2>\n<p>Ang mekanismo ng isang self-excited vibration ay maaaring ilatag bilang isang pagkakasunud-sunod:<\/p>\n<ol>\n<li>Ang isang sistema \u2014 halimbawa ang isang rotor na umiikot sa loob ng bearing nito \u2014 ay nasa matatag na galaw.<\/li>\n<li>Ang isang maliit at random na pagkagambala ay nagdudulot ng kaunting displacement o pagbabago sa bilis.<\/li>\n<li>Ang pagbabagong iyon sa galaw ay nagbabago ng mga puwersa na kumikilos sa sistema \u2014 halimbawa, ang presyon ng likido sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/journal-bearing\/\">journal bearing<\/a> o ang cutting force sa isang tool.<\/li>\n<li>Kritikal na, ang nabagong puwersa ay kumikilos upang <em>add energy<\/em> sa sistema, tinutulak ang bahagi nang higit pa sa direksyon na tinahak na nito.<\/li>\n<li>Ang tumaas na galaw ay bumubuo ng mas malaking puwersa, na nagdaragdag pa ng mas maraming enerhiya \u2014 at umuulit ang siklo.<\/li>\n<\/ol>\n<p>Tinutulak ng loop ang amplitude pataas hanggang sa mapigilan ito ng mga non-linearity sa sistema (ang rotor na tumatama sa isang hard stop, ang isang seal na nagsasara ng clearance) o hanggang may mabigo. Ang pangunahing pisikal na kaalaman ay tungkol sa balanse ng enerhiya: nagaganap ang instability tuwing ang motion-dependent na puwersa ay nagpapasok ng enerhiya nang mas mabilis kaysa sa kayang i-dissipate ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/damping\/\">damping<\/a> ng sistema. Ang sapat na damping ay kaya ang unang linya ng depensa laban sa self-excitation.<\/p>\n<h2>2. Mga Karaniwang Halimbawa ng Self-Excited na Vibration<\/h2>\n<p>Ilang kilalang-kilalang phenomena sa diagnostics ng makinarya ang mga textbook na kaso ng self-excited na vibration:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/oil-whirl\/\">Oil whirl<\/a> at oil whip:<\/strong> ang pinakakaraniwang mga halimbawa sa rotating machinery. Sa isang fluid-film journal bearing, ang umiikot na shaft ay nagdadala ng langis papasok sa isang load-carrying wedge. Ang isang pagkagambala ay maaaring magpaikot (magpahilig) sa wedge mismo sa paligid ng bearing; ang presyon mula sa umiikot na wedge na iyon ay nagtutulak sa shaft, nagdaragdag ng mas maraming enerhiya sa pag-ikot. Ang resultang vibration ay hindi nasa bilis ng operasyon kundi sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/sub-synchronous\/\">sub-synchronous<\/a> frequency, karaniwang 0.42\u20130.48&times; <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/running-speed\/\">running speed<\/a>. Kung ang whirl frequency ay umabot upang tumugma sa isang rotor <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/natural-frequency\/\">natural frequency<\/a>, ito ay nag-lock at umaangat patungo sa mas marahas na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/shaft-whip\/\">whip<\/a> condition.<\/li>\n<li><strong>Chatter sa machining:<\/strong> sa turning o milling, nagsisimula ang chatter kapag nagsimulang mag-vibrate ang cutting tool. Ang vibration na iyon ay nagbabago ng kapal ng chip, ang pagbabago sa kapal ng chip ay nagpapabago ng cutting force, at ang nagbabagong puwersa ay nagpapasok ng enerhiya pabalik sa vibration ng tool \u2014 pinapalaki ito sa marahas at self-sustaining na chatter na sumisira sa surface finish at sa tool.<\/li>\n<li><strong>Aerodynamic flutter:<\/strong> ang coupled na bending-at-twisting na vibration ng pakpak ng eroplano (o ng isang turbine blade) kung saan ang galaw ay nagbabago ng aerodynamic profile, ang nabagong profile ay nagbabago ng presyon ng hangin, at ang nabagong presyon ay nagpapasok ng enerhiya pabalik sa galaw \u2014 na humahantong sa catastrophic na pagkabigo kung hindi ito makontrol.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rotor-rub\/\">Rotor rubs<\/a>:<\/strong> kapag ang isang rotor ay nakipag-ugnayan sa isang stationary na bahagi, ang friction sa rub ay nagpapainit ng rotor nang lokal at nagpapayukbo nito. Ang pagkayukbo ay nagpapalakas ng rubbing force, na nagpapataas ng init at pagkayukbo, na lumilikha ng thermal feedback loop na maaaring umabot sa seizure.<\/li>\n<\/ul>\n<p>Dalawang karagdagang fluid-driven na variant na dapat malaman ay ang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/steam-whirl\/\">steam whirl<\/a> sa mga turbine at ang mas malawak na pamilya ng flow-induced instabilities na pinapatakbo ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/aerodynamic-forces\/\">aerodynamic forces<\/a>, na parehong sumusunod sa parehong lohika ng energy-feedback.<\/p>\n<h2>3. Self-Excited versus Forced Vibration sa Isang Sulyap<\/h2>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Trait<\/th>\n<th>Forced Vibration<\/th>\n<th>Self-Excited na Vibration<\/th>\n<\/tr>\n<tr>\n<td>Driving frequency<\/td>\n<td>Itinakda ng isang panlabas na input (hal. 1&times; para sa unbalance)<\/td>\n<td>Itinakda ng sistema mismo, madalas isang natural frequency<\/td>\n<\/tr>\n<tr>\n<td>Frequency versus speed<\/td>\n<td>Sinusubaybayan ang running speed<\/td>\n<td>Madalas sub-synchronous at hindi sumusubaybay sa 1&times;<\/td>\n<\/tr>\n<tr>\n<td>Amplitude behaviour<\/td>\n<td>Matatag, proporsyonal sa puwersa<\/td>\n<td>Maaaring lumago nang walang hangganan hanggang sa mamagitan ang isang non-linearity<\/td>\n<\/tr>\n<tr>\n<td>Energy source<\/td>\n<td>Ang periodic external force<\/td>\n<td>Isang matatag na pinagkukunan (pag-ikot, daloy, paggupit) na tinapakin ng galaw<\/td>\n<\/tr>\n<\/table>\n<h2>4. Mga Pangunahing Katangian at Diagnosis<\/h2>\n<p>Ang mga self-excited na vibration ay may posibilidad na mag-iwan ng mga natatanging fingerprint sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectrum\/\">FFT spectrum<\/a>:<\/p>\n<ul>\n<li><strong>Non-synchronous frequencies:<\/strong> ang vibration ay karaniwang hindi integer multiple o harmonic ng bilis ng pag-ikot. Kadalasan, ito ay nasa sub-synchronous na dalas.<\/li>\n<li><strong>Instability:<\/strong> ang amplitude ay maaaring maging lubhang pabagu-bago at maaaring tumaas nang mabilis sa maliliit na pagbabago ng bilis, temperatura, o karga.<\/li>\n<li><strong>Sudden onset:<\/strong> ang vibration ay maaaring ganap na wala hanggang sa lumampas ang makina sa isang partikular na bilis o karga na threshold \u2014 kadalasang nauugnay sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/critical-speed\/\">critical speed<\/a> \u2014 kung saan biglang lilitaw ito nang may mataas na amplitude.<\/li>\n<\/ul>\n<p>Ang diagnosis ay nangangahulugang pag-identify sa mga katangiang non-synchronous na peak at pagkatapos ay pag-isip tungkol sa pisikong mekanismo na maaaring magdulot ng ganitong instability sa partikular na makina. Dahil ang pagsisimula ay nakaugnay sa mga kondisyon ng pagpapatakbo, ang isang rekord na nagbabago ng bilis ay lalong nagbubunyag: ang isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/cascade-plot\/\">cascade plot<\/a> na kinuha sa panahon ng run-up o coast-down ay nagpapakita ng isang sub-synchronous na bahagi na lumalabas at pagkatapos ay naka-lock sa isang natural na dalas, na siyang hindi mapag-aalinlanganang lagda ng whirl na nagiging whip. Para sa mga kaso na nauugnay sa bearing, ang isang <a href=\"https:\/\/vibromera.eu\/tl\/calculators\/journal-bearing-frequencies\/\">journal-bearing defect-frequency calculator<\/a> ay tumutulong na kumpirmahin kung ang isang pinaghihinalaang peak ay nasa loob ng oil-whirl band. Ang pangkalahatang termino para sa buong ganitong gawi ay <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rotor-instability\/\">rotor instability<\/a>, at ang pagtatangi nito mula sa isang forced response ay ang una at pinakamahalagang branch point ng analyst \u2014 dahil ang lunas ay ganap na naiiba: ang forced vibration ay nababawasan sa pamamagitan ng balancing o alignment, samantalang ang isang self-excited instability ay kailangang alisin sa pamamagitan ng pagbabago ng geometry ng bearing, clearance, karga, o damping.<\/p>\n<h2>5. Bakit Hindi Ito Maaaring Maalis sa Pamamagitan ng Balancing<\/h2>\n<p>Ang isang praktikal na babala ay direktang sumusunod mula sa pisika. Dahil ang isang self-excited vibration ay hindi isang tugon sa isang umiikot na mabigat na lugar, hindi ito maaaring gamutin sa pamamagitan ng pagdaragdag ng mga correction weight \u2014 ang enerhiya ay ibinibigay ng bearing fluid, ang proseso ng paggupit, o ang daloy ng hangin, hindi ng isang mass unbalance. Ito mismo ang dahilan kung bakit mahalaga ang isang maingat na field measurement bago ang anumang corrective work: kapag nakuha ng isang engineer ang amplitude at phase gamit ang isang portable na two-channel analyser tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a>, ang isang matatag, paulit-ulit na 1&times; vector ay nagpapahiwatig ng isang tunay na balancing problem, samantalang ang isang lumalago, sub-synchronous, hindi paulit-ulit na bahagi ay isang red flag na ang depekto ay isang instability at ang balancing ay magiging isang sayang na pagsisikap. Ang tamang pagbabasa ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration-analyzer\/\">analyser<\/a> ay pinipigilan ang klasikong pagkakamali ng pagtatangkang i-balance ang isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/whirl\/\">whirl<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Isang paliwanag ng Self-Excited Vibration, isang mapanganib na uri ng vibration kung saan ang galaw mismo ang lumilikha ng mga puwersa na nagpapanatili o nagpapalaki ng vibration, tulad ng oil whirl at chatter.<\/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\/tl\/wp-json\/wp\/v2\/glossary\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/230\/revisions"}],"predecessor-version":[{"id":101308,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/230\/revisions\/101308"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}