{"id":20626,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/asynchronous-vibration\/"},"modified":"2026-05-23T22:38:30","modified_gmt":"2026-05-23T22:38:30","slug":"asynchronous-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/scn\/glossary\/asynchronous-vibration\/","title":{"rendered":"What is Asynchronous Vibration? Non-Synchronous Components"},"content":{"rendered":"<h1>Understanding Asynchronous 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\/scn\/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\/scn\/product\/balanset-1\/\" title=\"Portable balancer &#038; 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 balancer and 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\/scn\/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\/scn\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Portable balancer &#038; Vibration analyzer 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 (if applicable)<\/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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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\/scn\/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\/scn\/product\/vibration-sensor\/\" title=\"Vibration sensor\">\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\/scn\/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\/scn\/product\/vibration-sensor\/\" title=\"Vibration sensor\">Vibration sensor<\/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 (if applicable)<\/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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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\/scn\/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\/scn\/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\/scn\/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\/scn\/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 (if applicable)<\/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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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\/scn\/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\/scn\/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: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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\/scn\/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\/scn\/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 (if applicable)<\/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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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\/scn\/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\/scn\/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\/scn\/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 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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=\"\/scn\/wp-json\/wp\/v2\/glossary\/20626?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>Asynchronous vibration<\/strong> (also called non-synchronous vibration) is <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/vibration\/\">vibration<\/a> at frequencies that are <em>not<\/em> exact integer multiples \u2014 <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/harmonics\/\">orders<\/a> \u2014 of the shaft&#8217;s rotational speed. Unlike <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/synchronous-vibration\/\">synchronous vibration<\/a> from <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/unbalance\/\">unbalance<\/a> or <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/misalignment\/\">misalignment<\/a> (which always lands at 1\u00d7, 2\u00d7, 3\u00d7 running speed), asynchronous vibration occurs at frequencies dictated by component geometry, electromagnetic effects, or external sources rather than by the rotation of the shaft itself.<\/p>\n<p>Distinguishing synchronous from asynchronous content is one of the most fundamental skills in machinery <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/vibration-diagnostics\/\">diagnostics<\/a>, because the split immediately narrows the search for a cause. Synchronous components point to rotating mass or geometric problems tied to the rotor; asynchronous components point instead to rolling-element defects, electrical faults, or influences originating outside the rotor. Getting this classification right early saves an analyst from, say, balancing a machine whose real trouble is a failing bearing.<\/p>\n<h2>1. Synchronous vs Asynchronous: The Core Distinction<\/h2>\n<p>The boundary is defined entirely by the <strong>order<\/strong> \u2014 the ratio of a vibration frequency to the running-speed frequency. A peak at an exact whole-number order is synchronous and locked to shaft rotation; a peak at a fractional order is asynchronous and obeys some other clock.<\/p>\n<ul>\n<li><strong>Synchronous (integer orders):<\/strong> 1.00\u00d7, 2.00\u00d7, 3.00\u00d7 \u2014 unbalance, misalignment, a <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bent-shaft\/\">bent shaft<\/a>, certain <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/looseness\/\">looseness<\/a> patterns.<\/li>\n<li><strong>Asynchronous (non-integer orders):<\/strong> 2.47\u00d7, 3.57\u00d7, 0.45\u00d7 \u2014 bearing defects, electrical lines, sub-synchronous instabilities, and outside sources.<\/li>\n<\/ul>\n<p>A useful sub-category is the <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/subharmonic\/\">subharmonic<\/a> \u2014 energy <em>below<\/em> 1\u00d7 (for example a 0.5\u00d7 peak from severe looseness or rub). Subharmonics are a form of asynchronous content, and they sit alongside the sub-synchronous instabilities discussed further below.<\/p>\n<h2>2. Common Sources of Asynchronous Vibration<\/h2>\n<h3>Rolling-Element Bearing Defects (most common)<\/h3>\n<p>By far the dominant source of asynchronous vibration:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bearing-fault-frequencies\/\">Bearing fault frequencies<\/a>:<\/strong> <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bsf\/\">BSF<\/a> and <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/ftf\/\">FTF<\/a> are governed by bearing geometry and are never exact multiples of shaft speed.<\/li>\n<li><strong>Example:<\/strong> an 1800 RPM motor (30 Hz) might show a BPFO at 107 Hz \u2014 that is 3.57\u00d7 shaft speed, plainly not an integer.<\/li>\n<li><strong>Diagnostic value:<\/strong> an asynchronous frequency immediately raises suspicion of a bearing problem.<\/li>\n<li><strong>Detection:<\/strong> <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/envelope-analysis\/\">envelope analysis<\/a> is the primary technique for surfacing these components, often well before they appear in the ordinary spectrum.<\/li>\n<\/ul>\n<h3>Electrical Frequencies<\/h3>\n<p>Electromagnetic vibration unrelated to shaft speed:<\/p>\n<ul>\n<li><strong>2\u00d7 line frequency:<\/strong> 120 Hz on 60 Hz supplies or 100 Hz on 50 Hz supplies, independent of motor speed.<\/li>\n<li><strong>Example:<\/strong> a 2-pole 60 Hz motor runs at about 3550 RPM (59.2 Hz), yet its twice-line-frequency vibration sits at 120 Hz \u2014 2.03\u00d7 shaft speed, asynchronous.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/pole-pass-frequency\/\">Pole pass frequency<\/a>:<\/strong> may not be an exact integer multiple.<\/li>\n<li><strong>VFD harmonics:<\/strong> drive switching frequencies bear no relation to shaft speed.<\/li>\n<\/ul>\n<h3>External Sources<\/h3>\n<ul>\n<li><strong>Adjacent equipment:<\/strong> vibration transmitted through the floor from nearby machines.<\/li>\n<li><strong>Building or foundation:<\/strong> <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/structural-resonance\/\">structural resonances<\/a> at fixed frequencies.<\/li>\n<li><strong>Process pulsations:<\/strong> pressure waves travelling in piping.<\/li>\n<li><strong>Acoustic resonances:<\/strong> standing waves in ducts or enclosures.<\/li>\n<\/ul>\n<h3>Sub-Synchronous Instabilities<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/oil-whirl\/\">Oil whirl<\/a>:<\/strong> typically 0.42\u20130.48\u00d7 shaft speed (not exactly half).<\/li>\n<li><strong>Oil whip:<\/strong> locks onto the rotor&#8217;s <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/natural-frequency\/\">natural frequency<\/a>, not to shaft speed.<\/li>\n<li><strong>Seal instabilities:<\/strong> often at frequencies set by fluid dynamics. These are classic examples of <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/rotor-instability\/\">rotor instability<\/a>.<\/li>\n<\/ul>\n<h3>Random Vibration<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/cavitation\/\">Cavitation<\/a>:<\/strong> random bubble collapse, broadband.<\/li>\n<li><strong>Turbulence:<\/strong> random flow fluctuations.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/rubbing\/\">Rubbing<\/a>:<\/strong> chaotic contact creating non-periodic vibration.<\/li>\n<\/ul>\n<h2>3. Identification in Spectra<\/h2>\n<h3>Spectrum Characteristics<\/h3>\n<ul>\n<li><strong>Fixed frequency:<\/strong> appears at the same Hz value regardless of speed changes.<\/li>\n<li><strong>Order shifts:<\/strong> if speed varies, an asynchronous frequency changes its order (because the order is frequency \u00f7 shaft speed).<\/li>\n<li><strong>Waterfall plot:<\/strong> asynchronous components appear as <em>vertical<\/em> lines, synchronous components as <em>diagonal<\/em> lines \u2014 the single most intuitive way to tell them apart.<\/li>\n<li><strong>Order spectrum:<\/strong> asynchronous peaks land at non-integer orders (2.47\u00d7, 3.57\u00d7, and so on).<\/li>\n<\/ul>\n<h3>Diagnostic Procedure<\/h3>\n<ol>\n<li><strong>Identify running speed<\/strong> from the 1\u00d7 peak or, more reliably, a <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/tachometer\/\">tachometer<\/a>.<\/li>\n<li><strong>Calculate orders<\/strong> by dividing each peak frequency by the running-speed frequency.<\/li>\n<li><strong>Integer orders<\/strong> (1.00\u00d7, 2.00\u00d7, 3.00\u00d7) are synchronous.<\/li>\n<li><strong>Non-integer orders<\/strong> (2.47\u00d7, 3.57\u00d7) are asynchronous.<\/li>\n<li><strong>Match to fault types<\/strong> by comparing the calculated frequencies against bearing frequencies, electrical lines, and the like.<\/li>\n<\/ol>\n<p>On variable-speed machines this separation is cleaner under <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/order-analysis\/\">order analysis<\/a>, which re-references the frequency axis to multiples of running speed so that synchronous peaks stand still while asynchronous ones move.<\/p>\n<h2>4. Diagnostic Significance<\/h2>\n<h3>Bearing Defects<\/h3>\n<ul>\n<li>Asynchronous peaks at BPFO, BPFI or BSF immediately suggest a <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/bearing-defects\/\">bearing problem<\/a>.<\/li>\n<li>Calculate the theoretical bearing frequencies and compare them to the observed peaks.<\/li>\n<li>A match within about \u00b15% confirms a bearing fault.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/harmonics\/\">Harmonics<\/a> and <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/sidebands\/\">sidebands<\/a> of the defect frequency give further confirmation.<\/li>\n<\/ul>\n<p>You can short-circuit the arithmetic with a <a href=\"https:\/\/vibromera.eu\/scn\/calculators\/bearing-defect-frequencies\/\">bearing defect frequency calculator<\/a>, which returns BPFO, BPFI, BSF and FTF straight from the bearing geometry and shaft speed.<\/p>\n<h3>Electromagnetic Issues<\/h3>\n<ul>\n<li>A 2\u00d7 line-frequency line at 100\/120 Hz points to <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/stator-defects\/\">stator<\/a> or <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/air-gap\/\">air-gap<\/a> problems.<\/li>\n<li>The frequency stays fixed regardless of speed variations.<\/li>\n<li>Motor current analysis confirms the electrical origin.<\/li>\n<\/ul>\n<h3>External Vibration<\/h3>\n<ul>\n<li>Peaks that match neither machine speed nor bearing frequencies.<\/li>\n<li>They may coincide with the running speed of nearby equipment.<\/li>\n<li>Source investigation is required, followed by isolation or correction.<\/li>\n<\/ul>\n<h2>5. Analysis Techniques for Asynchronous Vibration<\/h2>\n<h3>Envelope Analysis<\/h3>\n<ul>\n<li>The primary technique for bearing-defect detection.<\/li>\n<li>Enhances the repetitive impacts that produce asynchronous content.<\/li>\n<li>Suppresses strong synchronous low-frequency components.<\/li>\n<li>Reveals bearing frequencies clearly in the resulting <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/envelope-spectrum\/\">envelope spectrum<\/a>.<\/li>\n<\/ul>\n<h3>High-Frequency Acceleration<\/h3>\n<ul>\n<li>Asynchronous bearing defects often live in the high-frequency range (above 1 kHz).<\/li>\n<li>Use <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/accelerometer\/\">accelerometers<\/a> with a high Fmax setting.<\/li>\n<li>This captures the impacts and high-frequency resonances that low-frequency velocity measurements miss.<\/li>\n<\/ul>\n<h3>Cepstrum Analysis<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/cepstrum\/\">Cepstrum analysis<\/a> is effective at finding periodic patterns buried in asynchronous signals.<\/li>\n<li>It detects whole families of harmonics or sidebands at once.<\/li>\n<li>Especially useful for complex bearing and <a href=\"https:\/\/vibromera.eu\/scn\/glossary\/gear-defects\/\">gear<\/a> signatures.<\/li>\n<\/ul>\n<h2>6. Practical Examples<\/h2>\n<h3>Motor with a Bearing Defect<\/h3>\n<ul>\n<li><strong>Running speed:<\/strong> 1750 RPM (29.17 Hz).<\/li>\n<li><strong>Synchronous components:<\/strong> 1\u00d7 at 29.17 Hz, 2\u00d7 at 58.34 Hz.<\/li>\n<li><strong>Asynchronous component:<\/strong> a peak at 107 Hz (3.67\u00d7 shaft speed).<\/li>\n<li><strong>Diagnosis:<\/strong> 107 Hz matches the calculated BPFO \u2192 outer-race defect.<\/li>\n<li><strong>Confirmation:<\/strong> the asynchronous nature confirms a bearing problem, not a rotor issue.<\/li>\n<\/ul>\n<h3>VFD Motor at Variable Speed<\/h3>\n<ul>\n<li>Motor speed sweeps from 1200 to 1800 RPM.<\/li>\n<li>The 1\u00d7 peak moves with speed (synchronous).<\/li>\n<li>The 120 Hz peak stays put (asynchronous, 2\u00d7 line frequency).<\/li>\n<li><strong>Diagnosis:<\/strong> an electromagnetic component from the 60 Hz supply.<\/li>\n<\/ul>\n<p>In the field this separation is the everyday work of a portable analyser. Because an instrument such as the <a href=\"https:\/\/vibromera.eu\/scn\/product\/balanset-1\/\">Balanset-1A<\/a> reads running speed from its optical tachometer at the same time as the vibration spectrum, it can flag whether a given peak is synchronous or asynchronous on the spot \u2014 telling the engineer at once whether the cure is balancing the rotor or replacing a bearing. Recognising asynchronous content through its non-integer orders, its fixed frequency despite speed changes, or its vertical signature on a waterfall plot is what enables accurate identification of bearing defects, electrical problems, and external influences \u2014 and points the way to the right corrective action.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/scn\/glossary\/\">\u2190 Back to Main Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about asynchronous vibration, vibration components not related to shaft rotational speed, including bearing defects, electrical frequencies, and external sources.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20626","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/glossary\/20626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/glossary\/20626\/revisions"}],"predecessor-version":[{"id":101302,"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/glossary\/20626\/revisions\/101302"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/media?parent=20626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/categories?post=20626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/scn\/wp-json\/wp\/v2\/tags?post=20626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}