{"id":73,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/centrifugal-force\/"},"modified":"2026-07-03T10:03:56","modified_gmt":"2026-07-03T10:03:56","slug":"centrifugal-force","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/centrifugal-force\/","title":{"rendered":"Mik\u00e4 on keskipakoisvoima py\u00f6riviss\u00e4 koneissa?"},"content":{"rendered":"<h1>Keskipakoisvoiman ymm\u00e4rt\u00e4minen py\u00f6riviss\u00e4 koneissa<\/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\/fi\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori 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 kannettava tasapainotin ja v\u00e4r\u00e4htelyanalysaattori, t\u00e4ydellinen sarja\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori Balanset-1A\">Kannettava tasapainotin &#038; t\u00e4rin\u00e4analysaattori 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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">\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:n t\u00e4rin\u00e4anturin l\u00e4hikuva\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">T\u00e4rin\u00e4anturi<\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">\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=\"Optinen anturi (lasertakometri)\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">Optinen anturi (lasertakometri)<\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/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-roottorin tasapainotussarja: kantolaukku, monikanavainen signaalimuunnin, k\u00e4dess\u00e4 pidett\u00e4v\u00e4 analysaattori, magneettijalusta, t\u00e4rin\u00e4anturit ja kierretyt kaapelit.\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta 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=\"Magneettipohja.\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta Insize-60-kgf\">Magneettinen jalusta 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\">&euro;<\/span>46.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">\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=\"Heijastava nauha\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">Heijastava nauha<\/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>10.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &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-pakkauksen sis\u00e4lt\u00f6, jossa on liit\u00e4nt\u00e4yksikk\u00f6, anturit, kierroslukumittari ja lis\u00e4varusteet\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &quot;Balanset-1A&quot; OEM\">Dynaaminen tasapainotin \"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\">&euro;<\/span>1,735.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/73?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Lis\u00e4\u00e4 ostoskoriin: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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>Keskipakovoima<\/strong> on se ulkoinen voima, jonka py\u00f6re\u00e4\u00e4 rataa kulkeva massa kokee. Py\u00f6riviss\u00e4 koneissa se on syyllinen useimpiin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a>: kun <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/roottori\/\">roottori<\/a> kuljettaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a> \u2014 kun sen massakeskus on siirtynyt py\u00f6rimisakselista \u2014 ep\u00e4keskinen massa tuottaa voiman, joka suuntautuu s\u00e4teitt\u00e4isesti ulosp\u00e4in kohti painopistett\u00e4 ja py\u00f6rii akselin nopeudella. Juuri t\u00e4m\u00e4 py\u00f6riv\u00e4 voima on se, joka <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/tasapainottaminen\/\">tasapainottaminen<\/a> on olemassa minimoitavaksi, ja sen laajuuden ja k\u00e4ytt\u00e4ytymisen ymm\u00e4rt\u00e4minen on olennaisen t\u00e4rke\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/rotor-dynamics\/\">roottorin dynamiikka<\/a> ja t\u00e4rin\u00e4analyysi.<\/p>\n<h2>1. Matemaattinen lauseke<\/h2>\n<h3>Peruskaava<\/h3>\n<p>Ep\u00e4keskisen massan aiheuttaman keskipakovoiman suuruus on:<\/p>\n<ul>\n<li><strong>F = m \u00d7 r \u00d7 \u03c9\u00b2<\/strong><\/li>\n<li><strong>F<\/strong> = keskipakovoima (newtonia)<\/li>\n<li><strong>m<\/strong> = ep\u00e4tasapainomassa (kilogrammoina)<\/li>\n<li><strong>r<\/strong> = massan ep\u00e4keskisyyden s\u00e4de (metri\u00e4)<\/li>\n<li><strong>\u03c9<\/strong> = kulmanopeus (radiaaneja sekunnissa) = 2\u03c0 \u00d7 RPM \/ 60<\/li>\n<\/ul>\n<h3>Vaihtoehtoinen kaava, jossa k\u00e4ytet\u00e4\u00e4n kierroslukua (RPM) ja g\u00b7mm<\/h3>\n<p>Tavallisissa tasapainotust\u00f6iss\u00e4, joissa ep\u00e4tasapaino ilmaistaan grammoina ja millimetrein\u00e4, sama fysiikan laki voidaan ilmaista k\u00e4tev\u00e4mmin seuraavasti:<\/p>\n<ul>\n<li><strong>F (N) = U \u00d7 (RPM \/ 9549)\u00b2<\/strong><\/li>\n<li>jossa <strong>U<\/strong> = ep\u00e4tasapaino (g\u00b7mm) = m \u00d7 r<\/li>\n<li>T\u00e4m\u00e4 kaava sopii suoraan tasapainotusm\u00e4\u00e4rityksiin ilman yksikk\u00f6muunnoksia.<\/li>\n<\/ul>\n<p>Jos et halua laskea k\u00e4sin, <a href=\"https:\/\/vibromera.eu\/fi\/calculators\/centrifugal-force-unbalance\/\">Ep\u00e4tasapainon aiheuttaman keskipakoisvoiman laskuri<\/a> laskee voiman suoraan ep\u00e4tasapainoarvon ja nopeuden perusteella.<\/p>\n<h3>Nopeuden neli\u00f6suhde<\/h3>\n<p>Keskipakovoiman t\u00e4rkein ominaisuus on se, ett\u00e4 se on verrannollinen <em>neli\u00f6<\/em> kierrosnopeuden neli\u00f6\u00f6n:<\/p>\n<ul>\n<li>Nopeuden kaksinkertaistaminen nelinkertaistaa voiman (2\u00b2 = 4).<\/li>\n<li>Nopeuden kolminkertaistaminen merkitsee sen kertomista yhdeks\u00e4ll\u00e4 (3\u00b2 = 9).<\/li>\n<li>T\u00e4m\u00e4 neli\u00f6llinen suhde selitt\u00e4\u00e4, miksi ep\u00e4tasapaino, joka on vaaraton alhaisilla nopeuksilla, muuttuu vaaralliseksi suurilla nopeuksilla \u2013 ja miksi suurilla nopeuksilla toimivat koneet vaativat huomattavasti tarkempaa tasapainotusta.<\/li>\n<\/ul>\n<h2>2. Miten keskipakovoima aiheuttaa t\u00e4rin\u00e4\u00e4<\/h2>\n<p>Py\u00f6riv\u00e4 voima ei aiheuta koneen t\u00e4rin\u00e4\u00e4 itsess\u00e4\u00e4n, vaan se saa aikaan t\u00e4rin\u00e4\u00e4 her\u00e4tt\u00e4m\u00e4ll\u00e4 joustavan rakenteen v\u00e4r\u00e4htelem\u00e4\u00e4n. Syy-seurausketju on seuraava:<\/p>\n<ol>\n<li>Py\u00f6riv\u00e4 keskipakovoima vaikuttaa roottoriin.<\/li>\n<li>Se v\u00e4littyy akselin kautta laakereihin ja tukirakenteisiin.<\/li>\n<li>Elastinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/rotor-bearing-system\/\">roottori-laakeri-perustusj\u00e4rjestelm\u00e4<\/a> reagoi taipumalla.<\/li>\n<li>Juuri t\u00e4m\u00e4 taipuma n\u00e4kyy anturissa laakereiden t\u00e4rin\u00e4n\u00e4.<\/li>\n<li>Voiman ja mitatun t\u00e4rin\u00e4n v\u00e4linen suhde riippuu j\u00e4rjestelm\u00e4n <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/stiffness\/\">j\u00e4ykkyys<\/a> ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/damping\/\">vaimennus<\/a>.<\/li>\n<\/ol>\n<h3>Resonanssin alapuolella \u2014 j\u00e4yk\u00e4n roottorin toiminta<\/h3>\n<ul>\n<li>T\u00e4rin\u00e4 on suunnilleen verrannollinen kohdistettuun voimaan.<\/li>\n<li>Koska voima on verrannollinen nopeuden neli\u00f6\u00f6n, my\u00f6s t\u00e4rin\u00e4 on verrannollinen nopeuden neli\u00f6\u00f6n.<\/li>\n<li>Nopeuden kaksinkertaistaminen siis noin nelinkertaistaa v\u00e4r\u00e4htelyn amplitudin.<\/li>\n<\/ul>\n<h3>Resonanssissa<\/h3>\n<p>Kun kone toimii <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/critical-speed\/\">kriittinen nopeus<\/a>, tilanne muuttuu radikaalisti:<\/p>\n<ul>\n<li>Jopa se pieni keskipakovoima, joka syntyy <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/residual-unbalance\/\">j\u00e4\u00e4nn\u00f6sep\u00e4tasapaino<\/a> aiheuttaa voimakasta t\u00e4rin\u00e4\u00e4.<\/li>\n<li>Vahvistuskerroin (Q-kerroin) on tyypillisesti 10\u201350, ja se m\u00e4\u00e4r\u00e4ytyy p\u00e4\u00e4asiassa vaimennuksen perusteella.<\/li>\n<li>Juuri t\u00e4m\u00e4 resonanssivahvistus on syy siihen, miksi jatkuva toiminta kriittisell\u00e4 nopeudella on niin tuhoisaa.<\/li>\n<\/ul>\n<h2>3. Ratkaisuesimerkkej\u00e4<\/h2>\n<h3>Esimerkki 1 \u2014 Pienen tuulettimen siipipy\u00f6r\u00e4<\/h3>\n<ul>\n<li><strong>Ep\u00e4tasapaino:<\/strong> 10 g s\u00e4teell\u00e4 100 mm = 1000 g\u00b7mm<\/li>\n<li><strong>Nopeus:<\/strong> 1500 RPM<\/li>\n<li><strong>Voima:<\/strong> F = 1000 \u00d7 (1500 \/ 9549)\u00b2 \u2248 24,7 N (noin 2,5 kgf)<\/li>\n<\/ul>\n<h3>Esimerkki 2 \u2014 Sama juoksupy\u00f6r\u00e4, kaksinkertainen nopeus<\/h3>\n<ul>\n<li><strong>Ep\u00e4tasapaino:<\/strong> sama 1000 g\u00b7mm<\/li>\n<li><strong>Nopeus:<\/strong> 3000 rpm (kaksinkertaistettu)<\/li>\n<li><strong>Voima:<\/strong> F = 1000 \u00d7 (3000 \/ 9549)\u00b2 \u2248 98,7 N (noin 10,1 kgf)<\/li>\n<li><strong>Oppitunti:<\/strong> Nopeuden kaksinkertaistuminen nelinkertaisti voiman \u2013 nopeuden neli\u00f6lain vaikutus n\u00e4kyviss\u00e4.<\/li>\n<\/ul>\n<h3>Esimerkki 3 \u2014 Suuren turbiinin roottori<\/h3>\n<ul>\n<li><strong>Roottorin massa:<\/strong> 5 000 kg<\/li>\n<li><strong>Nopeus:<\/strong> 3600 kierrosta minuutissa<\/li>\n<li><strong>Sallittu ep\u00e4tasapaino G2.5-luokassa:<\/strong> e<sub>per<\/sub> = 9549 \u00d7 2.5 \/ 3600 \u2248 6.63 g\u00b7mm\/kg, so U = 6.63 \u00d7 5000 \u2248 33,150 g\u00b7mm<\/li>\n<li><strong>Voima:<\/strong> F = 33,150 \u00d7 (3600 \/ 9549)\u00b2 \u2248 4,700 N (about 480 kgf)<\/li>\n<li><strong>Seuraus:<\/strong> jopa &#8220;hyvin tasapainotettu&#8221; roottori synnytt\u00e4\u00e4 nopeudella huomattavia py\u00f6rivi\u00e4 voimia \u2014 t\u00e4ss\u00e4 l\u00e4hes puolen tonnivoiman verran \u2014 mink\u00e4 vuoksi my\u00f6s j\u00e4\u00e4nn\u00f6stoleranssilla on edelleen merkityst\u00e4.<\/li>\n<\/ul>\n<h2>4. Keskipakovoima tasapainotuksessa<\/h2>\n<h3>Ep\u00e4tasapainovoima on vektori<\/h3>\n<ul>\n<li><strong>Suuruus:<\/strong> m\u00e4\u00e4ritet\u00e4\u00e4n ep\u00e4tasapainon ja py\u00f6rimisnopeuden perusteella (F = m \u00d7 r \u00d7 \u03c9\u00b2).<\/li>\n<li><strong>Suunta:<\/strong> s\u00e4teitt\u00e4isesti ulosp\u00e4in, kohti raskasta kohtaa.<\/li>\n<li><strong>Kierto:<\/strong> vektori py\u00f6rii akselin nopeudella \u2014 1\u00d7 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/running-speed\/\">ajonopeus<\/a> komponentti.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">Vaihe<\/a>:<\/strong> voiman kulma-asento mill\u00e4 tahansa hetkell\u00e4, joka <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/tachometer\/\">kierroslukumittari<\/a> vertailupiste mahdollistaa analysaattorin mittauksen.<\/li>\n<\/ul>\n<h3>Tasapainoperiaate<\/h3>\n<p>Tasapainotus tapahtuu tuottamalla yht\u00e4 suuri ja vastakkaissuuntainen keskipakovoima:<\/p>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/correction-weight\/\">korjauspaino<\/a> sijaitsee 180 asteen p\u00e4\u00e4ss\u00e4 painopisteest\u00e4.<\/li>\n<li>Se aiheuttaa voiman, jonka suuruus on sama mutta suunta vastakkainen.<\/li>\n<li>The <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vector-addition\/\">vektorisumma<\/a> alkuper\u00e4isen voiman ja korjausvoiman vektoriresultantti l\u00e4hestyy nollaa.<\/li>\n<li>Kun py\u00f6riv\u00e4 nettovoima on minimoitu, t\u00e4rin\u00e4 h\u00e4vi\u00e4\u00e4.<\/li>\n<\/ul>\n<h3>Kahden tason ty\u00f6<\/h3>\n<p>Sill\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/two-plane-balancing\/\">kahden tason tasapainotus<\/a>, kunkin tason keskipakoisvoimat tuottavat sek\u00e4 kokonaisvoiman ett\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/couple-unbalance\/\">pari<\/a>. Korjauspainojen on kumottava sek\u00e4 voiman ep\u00e4tasapaino ett\u00e4 v\u00e4\u00e4nt\u00f6momentti, ja lopputulos saadaan laskemalla yhteen molempien tasojen vaikutukset vektorilaskennalla. K\u00e4yt\u00e4nn\u00f6ss\u00e4 t\u00e4m\u00e4 koko vektorilaskenta hoidetaan kannettavalla kaksikanavaisella mittalaitteella, kuten <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a>, joka mittaa 1\u00d7-amplitudin ja vaiheen, laskee roottorin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/influence-coefficient\/\">vaikutuskertoimet<\/a>ja laskee kunkin korjauspainon massan ja kulman koneen omissa laakereissa k\u00e4yntinopeudella.<\/p>\n<h2>5. Vaikutukset laakerin kuormitukseen<\/h2>\n<h3>Staattinen kuormitus vs. dynaaminen kuormitus<\/h3>\n<ul>\n<li><strong>Staattinen kuormitus:<\/strong> roottorin painosta (painovoimasta) johtuva jatkuva laakerikuormitus.<\/li>\n<li><strong>Dynaaminen kuormitus:<\/strong> ep\u00e4tasapainosta johtuvan keskipakovoiman aiheuttama py\u00f6riv\u00e4 kuormitus.<\/li>\n<li><strong>Kokonaiskuormitus:<\/strong> vektorisumma, joka vaihtelee keh\u00e4n eri kohdissa roottorin py\u00f6riess\u00e4.<\/li>\n<li><strong>Suurin kuormitus:<\/strong> tapahtuu silloin, kun staattiset ja dynaamiset kuormitukset ovat hetkellisesti samansuuntaisia.<\/li>\n<\/ul>\n<h3>Vaikutus laakerin k\u00e4ytt\u00f6ik\u00e4\u00e4n<\/h3>\n<ul>\n<li>Rullalaakerin k\u00e4ytt\u00f6ik\u00e4 on k\u00e4\u00e4nt\u00e4en verrannollinen kuormituksen kuutioon (L10 \u221d 1\/P\u00b3).<\/li>\n<li>Niinp\u00e4 jo pieni dynaamisen kuormituksen kasvu lyhent\u00e4\u00e4 k\u00e4ytt\u00f6ik\u00e4\u00e4 suhteettoman paljon.<\/li>\n<li>Ep\u00e4tasapainosta johtuva keskipakovoima lis\u00e4\u00e4 suoraan laakerin kuormitusta.<\/li>\n<li>Hyv\u00e4 tasapaino on siis ratkaisevan t\u00e4rke\u00e4\u00e4 laakerin kest\u00e4vyyden kannalta, ei pelk\u00e4st\u00e4\u00e4n mukavuuden vuoksi.<\/li>\n<\/ul>\n<h2>6. Keskipakovoima eri koneen nopeusluokissa<\/h2>\n<h3>Hidaskierroksiset laitteet (alle noin 1000 r\/min)<\/h3>\n<ul>\n<li>Keskipakovoimat ovat suhteellisen pieni\u00e4; usein hallitsevina ovat staattiset painovoimakuormitukset.<\/li>\n<li>L\u00f6ysemm\u00e4t tasapainotoleranssit ovat sallittuja, ja suuria absoluuttisia ep\u00e4tasapainoja voidaan siet\u00e4\u00e4.<\/li>\n<\/ul>\n<h3>Keskikierroslukuiset laitteet (noin 1000\u20135000 r\/min)<\/h3>\n<ul>\n<li>Keskipakoisvoimat ovat merkitt\u00e4vi\u00e4 ja niit\u00e4 on hallittava; suurin osa teollisuuskoneista toimii t\u00e4ll\u00e4 nopeusalueella.<\/li>\n<li>Tyypillinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/balancing-grade\/\">tasapainon laatuluokat<\/a> vaihtelevat G2.5:st\u00e4 G16:een.<\/li>\n<li>Tasapainotus on t\u00e4rke\u00e4\u00e4 sek\u00e4 laakerin k\u00e4ytt\u00f6i\u00e4n ett\u00e4 t\u00e4rin\u00e4n hallinnan kannalta.<\/li>\n<\/ul>\n<h3>Suurikierroslukuiset laitteet (yli ~5000 r\/min)<\/h3>\n<ul>\n<li>Keskipakoisvoimat ovat suurempia kuin staattiset kuormitukset.<\/li>\n<li>Vaaditaan eritt\u00e4in tiukkoja toleransseja (G0,4\u2013G2,5).<\/li>\n<li>Pienet ep\u00e4tasapainot aiheuttavat valtavia voimia, joten tarkka tasapainotus on ratkaisevan t\u00e4rke\u00e4\u00e4.<\/li>\n<\/ul>\n<h2>7. Kriittiset nopeudet ja joustavat roottorit<\/h2>\n<h3>Vahvistuminen resonanssissa<\/h3>\n<p>Kriittisess\u00e4 py\u00f6rimisnopeudessa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/critical-speed\/\">kriittinen nopeus<\/a>, sama keskipakovoima vahvistuu j\u00e4rjestelm\u00e4n Q-kertoimen (yleens\u00e4 10\u201350) vaikutuksesta, joten v\u00e4r\u00e4htelyn amplitudi ylitt\u00e4\u00e4 selv\u00e4sti kriittisen rajan alapuolella tapahtuvan toiminnan tason \u2014 mik\u00e4 on selkein osoitus siit\u00e4, miksi kriittiset py\u00f6rimisnopeudet on ylitett\u00e4v\u00e4 nopeasti tai v\u00e4ltett\u00e4v\u00e4 kokonaan.<\/p>\n<h3>Joustavan roottorin k\u00e4ytt\u00e4ytyminen<\/h3>\n<p>Sill\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/flexible-rotor\/\">joustavat roottorit<\/a> kriittisen nopeuden ylitt\u00e4minen:<\/p>\n<ul>\n<li>Akseli taipuu keskipakovoiman vaikutuksesta, ja t\u00e4m\u00e4 taipuma lis\u00e4\u00e4 ep\u00e4keskisyytt\u00e4 entisest\u00e4\u00e4n.<\/li>\n<li>Kriittisen py\u00f6rimisnopeuden yl\u00e4puolella syntyy itsest\u00e4\u00e4n keskitt\u00e4v\u00e4 vaikutus, joka pienent\u00e4\u00e4 laakerikuormitusta.<\/li>\n<li>Vaikka se saattaakin tuntua vastoin intuitiota, t\u00e4rin\u00e4 voi itse asiassa <em>pienent\u00e4\u00e4<\/em> kun roottori on turvallisesti ylitt\u00e4nyt kriittisen py\u00f6rimisnopeutensa.<\/li>\n<\/ul>\n<h2>8. Yhteys tasapainottamisvaatimuksiin<\/h2>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/g-grade\/\">Tasapainotuksen laatuluokat<\/a> v\u00e4liss\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a> on olemassa nimenomaan keskipakovoiman rajoittamiseksi:<\/p>\n<ul>\n<li>Pienemm\u00e4t G-arvot sallivat pienemm\u00e4n ep\u00e4tasapainon.<\/li>\n<li>Se rajoittaa py\u00f6rimisvoimaa kaikilla nopeuksilla.<\/li>\n<li>Se pit\u00e4\u00e4 keskipakovoimat laitteen turvallisen suunnittelurajan sis\u00e4ll\u00e4.<\/li>\n<li>Eri laitteille on m\u00e4\u00e4ritetty vastaavat voimakkuusrajat.<\/li>\n<\/ul>\n<h2>9. Voiman mittaaminen ja arvioiminen<\/h2>\n<h3>T\u00e4rin\u00e4st\u00e4 voimaan<\/h3>\n<p>Voimaa ei mitata suoraan kentt\u00e4tasapainotuksessa, mutta se voidaan arvioida: mitataan t\u00e4rin\u00e4n amplitudi k\u00e4yntinopeudella ja arvioidaan j\u00e4rjestelm\u00e4n j\u00e4ykkyys roottorin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/influence-coefficient\/\">vaikutuskertoimet<\/a>ja laskea F \u2248 k \u00d7 taipuma. T\u00e4m\u00e4 on hy\u00f6dyllinen tapa arvioida, kuinka suuri osa laakerin kuormituksesta johtuu ep\u00e4tasapainosta.<\/p>\n<h3>Ep\u00e4tasapainosta voimaan<\/h3>\n<p>Jos ep\u00e4tasapaino on tiedossa, voima lasketaan suoraan kaavasta F = m \u00d7 r \u00d7 \u03c9\u00b2 (tai F = U \u00d7 (RPM \/ 9549)\u00b2, jossa U on yksikk\u00f6in\u00e4 g\u00b7mm), jolloin saadaan odotettu voima mille tahansa ep\u00e4tasapainolle ja py\u00f6rimisnopeudelle \u2014 t\u00e4m\u00e4 on suunnittelutarkastusten ja toleranssien varmentamisen perusta.<\/p>\n<p>Keskipakovoima on se perusmekanismi, jonka kautta ep\u00e4tasapaino muuttuu t\u00e4rin\u00e4ksi py\u00f6riviss\u00e4 koneissa. Sen neli\u00f6llinen riippuvuus py\u00f6rimisnopeudesta on syy siihen, miksi tasapainon laatu on yh\u00e4 t\u00e4rke\u00e4mp\u00e4\u00e4 nopeuden kasvaessa, ja miksi jopa pieni ep\u00e4tasapaino voi aiheuttaa valtavia voimia ja tuhoisaa t\u00e4rin\u00e4\u00e4 suurinopeuksisissa laitteissa.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/\">\u2190 Takaisin p\u00e4\u00e4hakemistoon<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Opi keskipakoisvoimasta, py\u00f6riv\u00e4n ep\u00e4tasapainon aiheuttamasta ulosp\u00e4in suuntautuvasta voimasta, joka aiheuttaa koneissa v\u00e4r\u00e4htely\u00e4 ja laakerikuormia ja on verrannollinen py\u00f6rimisnopeuden neli\u00f6\u00f6n.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-73","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/73","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/73\/revisions"}],"predecessor-version":[{"id":102173,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/73\/revisions\/102173"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=73"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=73"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=73"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}