{"id":86,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/corrosion\/"},"modified":"2026-05-23T22:47:32","modified_gmt":"2026-05-23T22:47:32","slug":"corrosion","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/corrosion\/","title":{"rendered":"Mit\u00e4 on py\u00f6rivien koneiden korroosio? Ehk\u00e4isymenetelm\u00e4t"},"content":{"rendered":"<h1>Py\u00f6rivien koneiden korroosion ymm\u00e4rt\u00e4minen<\/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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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\/86?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>Korroosio<\/strong> on metallipintojen asteittaista heikkenemist\u00e4 s\u00e4hk\u00f6kemiallisten tai kemiallisten reaktioiden kautta ymp\u00e4rist\u00f6n kanssa, mik\u00e4 johtaa materiaalin menetykseen, pinnan karheuteen, <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/pitting\/\">kuoppakorroosio<\/a>, sek\u00e4 mekaanisten osien heikkenemisen. Py\u00f6riviss\u00e4 koneissa se hy\u00f6kk\u00e4\u00e4 akseleita, laakereita, hammaspy\u00f6ri\u00e4, koteloita ja rakenneosia vastaan aiheuttaen j\u00e4nnityskeskittymi\u00e4, jotka voivat k\u00e4ynnist\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/fatigue\/\">v\u00e4symys<\/a> halkeamia, karkentavia pintoja, jotka kiihdytt\u00e4v\u00e4t <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/wear\/\">kuluminen<\/a>ja \u2013 vakavissa tapauksissa \u2013 aiheuttaa suoraa rakenteellista vikaa kantavien materiaalien menetyksen seurauksena. Sit\u00e4 pidet\u00e4\u00e4n usein hitaana, pitk\u00e4aikaisena hajoamisprosessina, mutta se voi kiihdytt\u00e4\u00e4 mekaanista vikaantumista jyrk\u00e4sti, mink\u00e4 vuoksi sit\u00e4 on hallittava huolellisesti valituilla materiaaleilla, suojapinnoitteilla, ymp\u00e4rist\u00f6olosuhteiden hallinnalla ja korroosiota est\u00e4vill\u00e4 voiteluaineilla.<\/p>\n<h2>1. M\u00e4\u00e4ritelm\u00e4: Mik\u00e4 on korroosio?<\/h2>\n<p>Ytimelt\u00e4\u00e4n korroosio on jalostetun metallin muuttuminen energialtaan alhaisemmaksi ja vakaammaksi yhdisteeksi \u2013 yleens\u00e4 oksidiksi, hydroksidiksi tai suolaksi. Suurin osa teollisesta korroosiosta on <em>electrochemical<\/em>: Siihen tarvitaan anodi (jossa metalli liukenee), katodi (jossa tapahtuu pelkistysreaktio), niiden v\u00e4linen metallinen reittiyhteys sek\u00e4 elektrolyytti, kuten kosteus, lauhde tai prosessineste. Jos jokin n\u00e4ist\u00e4 poistetaan, reaktio pys\u00e4htyy, ja t\u00e4m\u00e4 on periaate, johon l\u00e4hes kaikki alla esitetyt ehk\u00e4isytoimenpiteet perustuvat.<\/p>\n<p>Korroosio ei yleens\u00e4 vaikuta yksin\u00e4\u00e4n. Py\u00f6riviss\u00e4 laitteissa se yhdistyy yleens\u00e4 mekaaniseen rasitukseen, joten k\u00e4yt\u00e4nn\u00f6n vaara ei ole pelk\u00e4st\u00e4\u00e4n sein\u00e4m\u00e4n paksuuden menetys, vaan se, miten korroosio synnytt\u00e4\u00e4 ja ruokkii muita vaurioitumismuotoja \u2013 v\u00e4symismurtumia, hankausta <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/wear\/\">kuluminen<\/a>, istuvuuden menetys ja voiteluaineen hajoaminen. Akseli, joka menett\u00e4\u00e4 muutaman millimetrin kymmenyksen yleiseen ruostumiseen, voi toimia moitteettomasti, mutta sama akseli, jossa on yksi ter\u00e4v\u00e4 korroosiokuoppa kiilauran kohdalla, voi pett\u00e4\u00e4 katastrofaalisesti.<\/p>\n<h2>2. Koneiden korroosiotyypit<\/h2>\n<h3>Tasainen (yleinen) korroosio<\/h3>\n<ul>\n<li><strong>Ulkon\u00e4k\u00f6:<\/strong> Tasainen korroosiohy\u00f6kk\u00e4ys koko altistuneella pintaalueella.<\/li>\n<li><strong>Esimerkki:<\/strong> Suojaamattomien hiiliter\u00e4spintojen ruostuminen.<\/li>\n<li><strong>Esiintymistiheys:<\/strong> Ennustettavissa, ilmaistuna vuotuisena materiaalitappiona (mil\/vuosi tai mm\/vuosi).<\/li>\n<li><strong>Vaikutus:<\/strong> Sein\u00e4m\u00e4n paksuuden asteittainen ohentuminen ja pinnan karheuden yleinen lis\u00e4\u00e4ntyminen.<\/li>\n<li><strong>Riski:<\/strong> V\u00e4hiten vaarallinen muoto, koska korroosion eteneminen on n\u00e4kyv\u00e4\u00e4 ja ennustettavaa, ja se voidaan ottaa huomioon suunnittelussa korroosiovaran avulla.<\/li>\n<\/ul>\n<h3>Pistekorroosio<\/h3>\n<ul>\n<li><strong>Ulkon\u00e4k\u00f6:<\/strong> Paikallinen vaurio, joka aiheuttaa pieni\u00e4 onteloita tai kuoppia.<\/li>\n<li><strong>Mekanismi:<\/strong> Suojakalvon rikkoutuminen tietyiss\u00e4 kohdissa, joissa pieni anodi aiheuttaa syv\u00e4lle ulottuvaa, paikallista metallin menetyst\u00e4.<\/li>\n<li><strong>Vaara:<\/strong> Jokainen syvennys toimii j\u00e4nnityskeskittym\u00e4n\u00e4, joka voi aiheuttaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/fatigue\/\">v\u00e4symys<\/a> halkeama \u2014 paljon vahingollisempi kuin sen pieni koko antaa ymm\u00e4rt\u00e4\u00e4.<\/li>\n<li><strong>Common on:<\/strong> Ruostumattomat ter\u00e4kset ja alumiini klooripitoisissa ymp\u00e4rist\u00f6iss\u00e4.<\/li>\n<li><strong>Havaitseminen:<\/strong> Silm\u00e4m\u00e4\u00e4r\u00e4inen tarkastus ja py\u00f6rrevirta-tarkastus.<\/li>\n<\/ul>\n<h3>Rakokorroosio<\/h3>\n<ul>\n<li><strong>Sijainti:<\/strong> rakoihin, tiivisteiden alle ja kierreliitoksiin.<\/li>\n<li><strong>Mekanismi:<\/strong> Rakoon j\u00e4\u00e4nyt seisova liuos menett\u00e4\u00e4 happipitoisuutensa ja muuttuu kemiallisesti sy\u00f6vytt\u00e4v\u00e4ksi.<\/li>\n<li><strong>Piilotettu luonne:<\/strong> Usein n\u00e4kym\u00e4t\u00f6n ilman purkamista.<\/li>\n<li><strong>Common at:<\/strong> Laipat, O-renkaiden alla ja kierteiden juurissa.<\/li>\n<\/ul>\n<h3>Galvaaninen korroosio<\/h3>\n<ul>\n<li><strong>Syy:<\/strong> Kaksi erilaista metallia, jotka ovat s\u00e4hk\u00f6isess\u00e4 kosketuksessa elektrolyytin kanssa.<\/li>\n<li><strong>Esimerkki:<\/strong> Ter\u00e4ksinen akseli, joka py\u00f6rii pronssilaakerissa, jossa on vett\u00e4.<\/li>\n<li><strong>Vaikutus:<\/strong> Anodisempi (s\u00e4hk\u00f6kemiallisesti aktiivisempi) metalli sy\u00f6pyy ensisijaisesti, kun taas jalometalli pysyy suojattuna.<\/li>\n<li><strong>Ennaltaehk\u00e4isy:<\/strong> Erota toisistaan s\u00e4hk\u00f6isesti erilaiset metallit tai valitse materiaalit, jotka sijaitsevat l\u00e4hell\u00e4 toisiaan galvaanisessa sarjassa.<\/li>\n<\/ul>\n<h3>J\u00e4nnityskorroosiomurtuma (SCC)<\/h3>\n<ul>\n<li><strong>Mekanismi:<\/strong> Pitk\u00e4kestoinen vetoj\u00e4nnitys yhdistettyn\u00e4 tiettyyn sy\u00f6vytt\u00e4v\u00e4\u00e4n ymp\u00e4rist\u00f6\u00f6n edist\u00e4\u00e4 halkeaman etenemist\u00e4.<\/li>\n<li><strong>Vaara:<\/strong> Voi aiheuttaa \u00e4killisen, hauraalta n\u00e4ytt\u00e4v\u00e4n murtumisen j\u00e4nnityksill\u00e4, jotka ovat selv\u00e4sti alle materiaalin my\u00f6t\u00f6lujuuden.<\/li>\n<li><strong>Yleisi\u00e4 yhdistelmi\u00e4:<\/strong> Ruostumaton ter\u00e4s ja kloridit; messinki ja ammoniakki.<\/li>\n<li><strong>Ennaltaehk\u00e4isy:<\/strong> Materiaalivalinta, j\u00e4nnityksenpoisto ja ymp\u00e4rist\u00f6olosuhteiden hallinta.<\/li>\n<\/ul>\n<h3>Hankauskorroosio<\/h3>\n<ul>\n<li><strong>Mekanismi:<\/strong> Pienet liikkeet ja korroosio puristusliitoksissa tai pulttiliitoksissa, joissa toistuvat pienet liukumat kuluttavat ja hapettavat pinnan uudelleen.<\/li>\n<li><strong>Ulkon\u00e4k\u00f6:<\/strong> Punaruskea rautaoksidi (&#8220;kaakao&#8221;) tai hienojakoinen musta jauhe.<\/li>\n<li><strong>Vaikutus:<\/strong> L\u00f6ys\u00e4\u00e4 puristussovituksia ja vaurioittaa liitospintoja.<\/li>\n<li><strong>Common at:<\/strong> Laakeri-akseliliitokset ja kutistussovitukset, joihin kohdistuu <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a>.<\/li>\n<\/ul>\n<h2>3. Vaikutukset koneiden osiin<\/h2>\n<h3>Laakerit<\/h3>\n<ul>\n<li>Pinnan pistekorroosio aiheuttaa v\u00e4symisvaurioita <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/spalling\/\">lohkeilu<\/a> laakeriradoilla ja vierint\u00e4elementeiss\u00e4.<\/li>\n<li>Korroosioj\u00e4tteet muodostavat laakerin sis\u00e4ll\u00e4 kolmannen osan, joka toimii hankaavana tekij\u00e4n\u00e4.<\/li>\n<li>Korroosiotuotteet saastuttavat voiteluainetta ja heikent\u00e4v\u00e4t \u00f6ljykalvoa.<\/li>\n<li>Laakerin k\u00e4ytt\u00f6ik\u00e4 voi lyhenty\u00e4 huomattavasti \u2013 lyheneminen voi olla jopa 50\u201390 %.<\/li>\n<\/ul>\n<h3>Akselit<\/h3>\n<ul>\n<li>Korroosiokuopat toimivat v\u00e4symismurtumien alkupistein\u00e4, mik\u00e4 on merkki <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/cracked-rotor\/\">haljennut roottori<\/a>.<\/li>\n<li>Poikkileikkauksen menetys pienent\u00e4\u00e4 tehollista halkaisijaa ja lujuutta.<\/li>\n<li>Pinnan karheus heikent\u00e4\u00e4 laakereiden ja tiivisteiden toimintaa.<\/li>\n<li>Paineistussovituksissa syntyv\u00e4 hankautuminen l\u00f6ys\u00e4\u00e4 kiinnitettyj\u00e4 komponentteja ja muuttaa roottorin tasapainotilaa.<\/li>\n<\/ul>\n<h3>Vaihteet<\/h3>\n<ul>\n<li>Hampaan pinnan korroosio kiihdytt\u00e4\u00e4 kosketusv\u00e4symyst\u00e4 (pitting-v\u00e4symyst\u00e4).<\/li>\n<li>Pinnan karheuden lis\u00e4\u00e4ntyminen lis\u00e4\u00e4 melua ja hammaspy\u00f6rien v\u00e4lisi\u00e4 h\u00e4vi\u00f6it\u00e4.<\/li>\n<li>Sy\u00f6pyneet hammaspinnat eiv\u00e4t pid\u00e4 voiteluainetta hyvin, mik\u00e4 pahentaa kulumissykli\u00e4.<\/li>\n<li>Hampaan juuren korroosio heikent\u00e4\u00e4 taivutuslujuutta \u2014 katso my\u00f6s <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/gear-defects\/\">vaihdevikoja<\/a>.<\/li>\n<\/ul>\n<h3>Rakenteelliset komponentit<\/h3>\n<ul>\n<li>Poikkileikkauksen pienenemisen aiheuttama kantokyvyn heikkeneminen.<\/li>\n<li>J\u00e4nnityskeskittym\u00e4 korroosiokuopissa.<\/li>\n<li>Heikentynyt ulkon\u00e4k\u00f6 ja alentunut yleinen luotettavuus.<\/li>\n<li>Perustuksen ankkuripulttien korroosio, joka aiheuttaa mekaanisia <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/looseness\/\">l\u00f6ysyys<\/a> ja heikent\u00e4\u00e4 tuen j\u00e4ykkyytt\u00e4.<\/li>\n<\/ul>\n<h2>4. Tunnistusmenetelm\u00e4t<\/h2>\n<h3>Visuaalinen tarkastus<\/h3>\n<ul>\n<li>Tarkista, onko pinnassa ruostetta, v\u00e4rimuutoksia tai pistekorroosiota.<\/li>\n<li>Tarkista, onko pinnalla korroosiotuotteita \u2013 valkoisia, vihreit\u00e4 tai punaisia kerrostumia.<\/li>\n<li>Tarkista kiinnikkeet ruosteen tai kulumisen varalta.<\/li>\n<li>Tarkkaile liitoskohtien vuotamista, sill\u00e4 se on merkki piilev\u00e4st\u00e4 rakokorroosiosta.<\/li>\n<\/ul>\n<h3>T\u00e4rin\u00e4analyysi<\/h3>\n<p>Korroosio ei ole matalataajuisten h\u00e4iri\u00f6iden p\u00e4\u00e4asiallinen aiheuttaja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a>, mutta sen mekaaniset seuraukset n\u00e4kyv\u00e4t selv\u00e4sti t\u00e4rin\u00e4ohjelmassa:<\/p>\n<ul>\n<li>Korroosion karhentamat pinnat lis\u00e4\u00e4v\u00e4t laajakaistaisia korkeataajuisia t\u00e4rin\u00f6it\u00e4.<\/li>\n<li>Pisteviat aiheuttavat iskuj\u00e4lki\u00e4, jotka muistuttavat paikallisia mekaanisia vaurioita.<\/li>\n<li>Toissijaisilla vaikutuksilla on suurin merkitys: korroosion aiheuttama halkeama tuottaa tyypillisen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/harmonics\/\">2\u00d7 harmonic<\/a> halkeillun akselin kasvu ja sy\u00f6pyneet laakerit ovat tyypillisi\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-defects\/\">laakerivika<\/a> frequencies.<\/li>\n<\/ul>\n<p>Koska oireet ilmaantuvat hitaasti, s\u00e4\u00e4nn\u00f6llisesti <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/trending\/\">trendin seuranta<\/a> yleisten tasojen ja laakerikohtaisten taajuusalueiden seuranta on k\u00e4yt\u00e4nn\u00f6llinen tapa havaita korroosiosta johtuvat vauriot ennen kuin ne pahenevat.<\/p>\n<h3>Rikkomaton testaus<\/h3>\n<p>Jos ep\u00e4ill\u00e4\u00e4n korroosiota, <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/non-destructive-testing\/\">rikkomaton testaus<\/a> mittaa sen suoraan:<\/p>\n<ul>\n<li><strong>Ultra\u00e4\u00e4nitestaus:<\/strong> mittaa sein\u00e4m\u00e4n j\u00e4ljell\u00e4 olevan paksuuden.<\/li>\n<li><strong>Py\u00f6rrevirta:<\/strong> tunnistaa pinnan korroosiota ja pistekorroosiota <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/eddy-current-probe\/\">py\u00f6rrevirta-anturi<\/a>.<\/li>\n<li><strong>Magneettihiukkastarkastus:<\/strong> paljastaa korroosion aiheuttamia pintahalkeamia.<\/li>\n<li><strong>Radiografia:<\/strong> paljastaa sis\u00e4ist\u00e4 korroosiota vaikeap\u00e4\u00e4syisiss\u00e4 kohdissa.<\/li>\n<\/ul>\n<h3>\u00d6ljyanalyysi<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/oil-analysis\/\">\u00d6ljyanalyysi<\/a> tunnistaa kemian ennen kuin mekaaniset osat pett\u00e4v\u00e4t:<\/p>\n<ul>\n<li>Vesipitoisuuden m\u00e4\u00e4ritt\u00e4minen (Karl Fischer -menetelm\u00e4).<\/li>\n<li>Sy\u00f6vytt\u00e4v\u00e4t ep\u00e4puhtaudet, kuten hapot ja suolat.<\/li>\n<li>Korroosion seurauksena irronneet metallihiukkaset.<\/li>\n<li>pH-mittaus happamien, korroosiota edist\u00e4vien olosuhteiden havaitsemiseksi.<\/li>\n<\/ul>\n<h2>5. Ennaltaehk\u00e4isy ja torjunta<\/h2>\n<h3>Materiaalivalinta<\/h3>\n<ul>\n<li><strong>Korroosionkest\u00e4v\u00e4t metalliseokset:<\/strong> Ruostumaton ter\u00e4s, pronssi, erikoisseokset vaativiin olosuhteisiin<\/li>\n<li><strong>Materiaalien yhteensopivuus:<\/strong> v\u00e4lt\u00e4 galvaanisia pareja tai erist\u00e4 toisistaan erilaiset metallit.<\/li>\n<li><strong>Seoslaadun valinta:<\/strong> sovittaa sopiva seos kuhunkin sy\u00f6vytt\u00e4v\u00e4\u00e4n ymp\u00e4rist\u00f6\u00f6n.<\/li>\n<\/ul>\n<h3>Suojaavat pinnoitteet<\/h3>\n<ul>\n<li><strong>Maali:<\/strong> suojaus ter\u00e4srakenteille.<\/li>\n<li><strong>Pinnoitus:<\/strong> kromi, nikkeli tai sinkki kriittisille pinnoille.<\/li>\n<li><strong>Galvanising:<\/strong> sinkkipinnoite ulkok\u00e4ytt\u00f6\u00f6n tai kosteisiin olosuhteisiin.<\/li>\n<li><strong>Erikoispinnoitteet:<\/strong> Epoksi-, keraaminen- ja l\u00e4mp\u00f6suihke vaativiin olosuhteisiin<\/li>\n<\/ul>\n<h3>Voitelu<\/h3>\n<ul>\n<li>K\u00e4yt\u00e4 voiteluaineita, joiden koostumukseen sis\u00e4ltyy ruoste- ja korroosionestoaineita.<\/li>\n<li>Est\u00e4 kosteuden ja ep\u00e4puhtauksien p\u00e4\u00e4sy j\u00e4rjestelm\u00e4\u00e4n.<\/li>\n<li>Pid\u00e4 yll\u00e4 jatkuva \u00f6ljykalvo, joka suojaa pintaa \u2014 katso <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-lubrication\/\">laakerien voitelu<\/a>.<\/li>\n<li>Vaihda \u00f6ljy m\u00e4\u00e4r\u00e4aikoina, jotta kertynyt vesi ja hapot poistuvat.<\/li>\n<\/ul>\n<h3>Ymp\u00e4rist\u00f6nhallinta<\/h3>\n<ul>\n<li>Tehokas tiivistys kosteuden poissapit\u00e4miseksi.<\/li>\n<li>Kosteudenpoisto suljetuissa laitteissa.<\/li>\n<li>Ilmanvaihto kondensaation est\u00e4miseksi.<\/li>\n<li>Suojakotelot ulkok\u00e4yt\u00f6ss\u00e4 oleville laitteille.<\/li>\n<li>L\u00e4mp\u00f6tilan s\u00e4\u00e4t\u00f6 toistuvien tiivistymiskierrosten v\u00e4ltt\u00e4miseksi.<\/li>\n<\/ul>\n<h3>Suunnitteluk\u00e4yt\u00e4nn\u00f6t<\/h3>\n<ul>\n<li>V\u00e4lt\u00e4 rakoja, joihin korroosio voi kerty\u00e4 ja keskitty\u00e4.<\/li>\n<li>Huolehdi viem\u00e4r\u00f6innist\u00e4, jotta kosteus ei p\u00e4\u00e4se kertym\u00e4\u00e4n.<\/li>\n<li>Suunnittelu siten, ett\u00e4 laitteeseen p\u00e4\u00e4see puhdistamaan ja tarkastamaan.<\/li>\n<li>K\u00e4yt\u00e4 uhrianodia, kun katodisuojaus on tarkoituksenmukaista.<\/li>\n<\/ul>\n<h2>6. Korroosio ja tasapainotusprosessi<\/h2>\n<p>Korroosio heikent\u00e4\u00e4 hiljalleen tasapainon laatua. Materiaalia katoaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/roottori\/\">roottori<\/a>, tuotteen kertyminen ruostuneille kohdille tai tasapainopaino, joka liukuu kuluneessa ja l\u00f6ystyneess\u00e4 kiinnityksess\u00e4, muuttavat kaikki massan jakautumista ja nostavat 1\u00d7 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a> vaste. T\u00e4st\u00e4 syyst\u00e4 k\u00e4yt\u00f6ss\u00e4 ruostunutta roottoria ei pid\u00e4 olettaa toimivaksi, vaan se on tarkastettava uudelleen puhdistuksen tai korjauksen j\u00e4lkeen. K\u00e4yt\u00e4nn\u00f6ss\u00e4 t\u00e4m\u00e4 tehd\u00e4\u00e4n ilman purkamista k\u00e4ytt\u00e4m\u00e4ll\u00e4 kannettavaa kaksikanavaista analysaattoria, kuten <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a>, joka mittaa 1\u00d7 amplitudin ja vaiheen koneen omissa laakereissa, antaa mahdollisuuden korjata uuden ep\u00e4tasapainokohdan ja varmistaa, ett\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/residual-unbalance\/\">j\u00e4\u00e4nn\u00f6sep\u00e4tasapaino<\/a> verrattuna asianmukaiseen ISO 21940-11 -luokitukseen. Yhdist\u00e4m\u00e4ll\u00e4 t\u00e4m\u00e4n t\u00e4rin\u00e4tarkastuksen sein\u00e4m\u00e4n paksuuden NDT-mittaukseen saadaan kattava kuva sek\u00e4 ruostuneen roottorin mekaanisesta ett\u00e4 rakenteellisesta kunnosta.<\/p>\n<p>Vaikka korroosio on ensisijaisesti kemiallinen prosessi, sill\u00e4 on merkitt\u00e4vi\u00e4 mekaanisia vaikutuksia py\u00f6riviss\u00e4 koneissa. Koska korroosio aiheuttaa v\u00e4symismurtumia, kiihdytt\u00e4\u00e4 kulumista ja aiheuttaa pintavikoja, sen ehk\u00e4iseminen \u2013 asianmukaisen materiaalivalinnan, suojatoimenpiteiden ja ymp\u00e4rist\u00f6olosuhteiden hallinnan avulla \u2013 on olennaisen t\u00e4rke\u00e4\u00e4 laitteiden pitk\u00e4aikaisen luotettavuuden ja turvallisuuden kannalta.<\/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 korroosiosta, metallipintojen s\u00e4hk\u00f6kemiallisesta heikkenemisest\u00e4, joka aiheuttaa pistekorroosiota, j\u00e4nnityskeskittymist\u00e4 ja kiihtynytt\u00e4 v\u00e4symist\u00e4 laakereissa, akseleissa ja rakenteissa.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-86","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/86","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":1,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/86\/revisions"}],"predecessor-version":[{"id":101377,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/86\/revisions\/101377"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=86"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=86"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}