{"id":20650,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-eccentricity\/"},"modified":"2026-07-03T09:55:02","modified_gmt":"2026-07-03T09:55:02","slug":"rotor-eccentricity","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sv\/glossary\/rotor-eccentricity\/","title":{"rendered":"Vad \u00e4r rotorns excentricitet? Geometrisk obalans"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 rotorns excentricitet<\/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\/sv\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; vibrationsanalysator 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 komplett kit med portabel balanserare och vibrationsanalysator\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; vibrationsanalysator Balanset-1A\">Portabel balanserare &amp; vibrationsanalysator Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">\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 vibrationssensor - n\u00e4rbild\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">Vibrationssensor<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">\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=\"Optisk sensor (lasertakometer)\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">Optisk sensor (lasertakometer)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/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 rotorbalanseringssats: b\u00e4rv\u00e4ska, flerkanalig signalkonditionerare, handh\u00e5llen analysator, magnetisk bas, vibrationssensorer och spiralformade kablar.\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt stativ 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=\"Magnetf\u00e4ste.\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt stativ Insize-60-kgf\">Magnetiskt stativ Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">\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=\"Reflekterande tejp\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">Reflekterande tejp<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &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-kit, inneh\u00e5ll med gr\u00e4nssnittsenhet, givare, varvr\u00e4knare och tillbeh\u00f6r\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &quot;Balanset-1A&quot; OEM\">Dynamisk balanserare \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/wp-json\/wp\/v2\/glossary\/20650?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=\"L\u00e4gg till i varukorgen: \u201dDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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>Rotorns excentricitet<\/strong> \u2014 also called <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/eccentricity\/\">excentricitet<\/a> eller geometriskt kast \u2014 \u00e4r ett tillst\u00e5nd d\u00e4r det geometriska centrumet hos en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/rotor\/\">rotor<\/a> eller rotorkomponent inte sammanfaller med den rotationsaxel som definieras av st\u00f6dlagren. Denna f\u00f6rskjutning inneb\u00e4r att rotorns yttre yta, \u00e4ven n\u00e4r massan \u00e4r perfekt f\u00f6rdelad, ligger &#8220;utanf\u00f6r centrum&#8221;, vilket tvingar tyngdpunkten att kretsa kring rotationsaxeln n\u00e4r rotorn snurrar och genererar <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration\/\">vibrationer<\/a> som i spektrumet ser identiskt ut med massaobalans <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/unbalance\/\">obalans<\/a>. Excentricitet \u00e4r s\u00e4rskilt vanligt i elmotorer (f\u00f6rskjutning mellan rotor och statorh\u00e5l), i pumpar och fl\u00e4ktar (f\u00f6rskjutning vid impellermontage) samt i alla monterade rotorer d\u00e4r ackumulerade tillverkningstoleranser leder till geometriskt kast. Det \u00e4r ett betydande problem i precisionsmaskiner, d\u00e4r h\u00f6g koncentricitet \u00e4r avg\u00f6rande.<\/p>\n<h2>1. Definition och varf\u00f6r det efterliknar obalans<\/h2>\n<p>Det som utm\u00e4rker excentricitet \u00e4r att det \u00e4r en <em>geometric<\/em> defect with <em>dynamisk<\/em> konsekvenser. En perfekt balanserad skiva vars h\u00e5l \u00e4r f\u00f6rskjutet i f\u00f6rh\u00e5llande till ytterkanten kommer \u00e4nd\u00e5 att f\u00e5 sin tyngdpunkt att r\u00f6ra sig i en bana n\u00e4r den snurrar, och den resulterande kraften en g\u00e5ng per varv g\u00e5r inte att skilja fr\u00e5n \u00e4kta obalans n\u00e4r man betraktar en enskild spektrallinje. Det \u00e4r detta som g\u00f6r excentricitet till en s\u00e5 vanlig k\u00e4lla till f\u00f6rvirring p\u00e5 verkstadsgolvet: \u00e5tg\u00e4rden mot obalans, att l\u00e4gga till vikter, hj\u00e4lper bara delvis, eftersom den underliggande geometrin inte har f\u00f6r\u00e4ndrats. Att skilja mellan de tv\u00e5 p\u00e5 r\u00e4tt s\u00e4tt \u00e4r nyckeln till att v\u00e4lja r\u00e4tt reparation.<\/p>\n<h2>2. Typer av rotorexcentricitet<\/h2>\n<h3>1. Statisk excentricitet (parallell f\u00f6rskjutning)<\/h3>\n<ul>\n<li><strong>Beskrivning:<\/strong> Rotorns centrum \u00e4r f\u00f6rskjutet i f\u00f6rh\u00e5llande till rotationsaxeln men f\u00f6rblir parallellt med den.<\/li>\n<li><strong>Geometri:<\/strong> en konstant radiell f\u00f6rskjutning l\u00e4ngs rotorns l\u00e4ngd.<\/li>\n<li><strong>Effekt:<\/strong> skapar en effektiv massobalans, eftersom det geometriska centrumet inte l\u00e4ngre sammanfaller med rotationscentrumet.<\/li>\n<li><strong>Vanlig i:<\/strong> komponenter med en enda skiva, s\u00e5som impellrar och remskivor.<\/li>\n<li><strong>Korrektion:<\/strong> kan ofta \u00e5tg\u00e4rdas genom <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/balansering\/\">balansering<\/a> or remounting.<\/li>\n<\/ul>\n<h3>2. Dynamisk excentricitet (vinkelf\u00f6rskjutning)<\/h3>\n<ul>\n<li><strong>Beskrivning:<\/strong> Rotorns centrumlinje ligger i vinkel mot rotationsaxeln.<\/li>\n<li><strong>Geometri:<\/strong> en rundg\u00e5ng som varierar l\u00e4ngs rotorns l\u00e4ngd.<\/li>\n<li><strong>Effekt:<\/strong> creates <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/couple-unbalance\/\">parobalans<\/a> och varierande rundg\u00e5ng.<\/li>\n<li><strong>Vanlig i:<\/strong> l\u00e5nga rotorer som byggs upp i flera monteringssteg.<\/li>\n<li><strong>Korrektion:<\/strong> kr\u00e4ver omriktning eller specialiserad balansering.<\/li>\n<\/ul>\n<h3>3. Sammansatt excentricitet<\/h3>\n<ul>\n<li>En kombination av parallellf\u00f6rskjutning och vinkelf\u00f6rskjutning.<\/li>\n<li>Det vanligaste tillst\u00e5ndet i verkligheten.<\/li>\n<li>Ger upphov till ett komplext kastm\u00f6nster.<\/li>\n<li>Det kr\u00e4ver en noggrann analys f\u00f6r att skilja det fr\u00e5n andra fel, s\u00e5som en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bent-shaft\/\">b\u00f6jd axel<\/a>.<\/li>\n<\/ul>\n<h2>3. Vanliga orsaker<\/h2>\n<h3>Tillverkningstoleranser<\/h3>\n<ul>\n<li><strong>Kast i borrning:<\/strong> ett lagerh\u00e5l som inte \u00e4r koncentriskt med ytterdiametern.<\/li>\n<li><strong>Shaft runout:<\/strong> bearbetningsfel i axeltapparna.<\/li>\n<li><strong>Stapla upp:<\/strong> flera komponenter som \u00e4r monterade p\u00e5 ett s\u00e4tt som g\u00f6r att deras toleranser summeras.<\/li>\n<li><strong>Variationer i gjutningen:<\/strong> f\u00f6rskjutning i k\u00e4rnan som ger oj\u00e4mn v\u00e4ggtjocklek.<\/li>\n<\/ul>\n<h3>Monteringsfel<\/h3>\n<ul>\n<li><strong>Excentrisk montering:<\/strong> en komponent i pumphjulet eller rotorn som inte \u00e4r centrerad p\u00e5 axeln.<\/li>\n<li><strong>Sned montering:<\/strong> en komponent som har lutat sig under pressmonteringen.<\/li>\n<li><strong>Problem med nycklar\/nyckelsp\u00e5r:<\/strong> ett f\u00f6r stort sp\u00e5r eller en excentriskt monterad kil.<\/li>\n<li><strong>Problem vid krymp- eller expansionspassning:<\/strong> montering med krymp- eller expansionspassning som ger upphov till en f\u00f6rskjutning.<\/li>\n<\/ul>\n<h3>Driftsrelaterade orsaker<\/h3>\n<ul>\n<li><strong>Slitage p\u00e5 lager:<\/strong> \u00f6verdriven <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bearing-clearance\/\">spel<\/a> g\u00f6r att axeln roterar excentriskt.<\/li>\n<li><strong>Shaft bending:<\/strong> ett permanent eller <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/thermal-bow\/\">termisk b\u00f6jning<\/a> som ger en effektiv excentricitet.<\/li>\n<li><strong>Plastisk deformation:<\/strong> \u00f6verbelastning som orsakar best\u00e5ende deformation av axeln eller en komponent.<\/li>\n<li><strong>Glapp:<\/strong> en komponent som har lossnat och f\u00f6rskjutits ur l\u00e4ge.<\/li>\n<\/ul>\n<h2>4. Effekter och symtom<\/h2>\n<h3>Symtom p\u00e5 vibrationer<\/h3>\n<ul>\n<li><strong>1\u00d7 synkron vibration:<\/strong> det fr\u00e4msta symtomet, som ser identiskt ut med massaobalans.<\/li>\n<li><strong>H\u00f6g <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/run-out\/\">kast<\/a>:<\/strong> m\u00e4tbart radiellt kast \u00e4ven vid l\u00e5ga varvtal.<\/li>\n<li><strong>Konstant fas:<\/strong> till skillnad fr\u00e5n vissa fel, \u00e4r <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/phase\/\">fas<\/a> \u00e4r vanligtvis stabil.<\/li>\n<li><strong>Kvadratisk hastighetsrespons:<\/strong> Vibrationerna \u00f6kar med hastighetens kvadrat, precis som obalansen g\u00f6r \u2013 ett k\u00e4nnetecken f\u00f6r <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/centrifugal-force\/\">centrifugalkraft<\/a> som driver responsen.<\/li>\n<\/ul>\n<h3>Elektriska effekter (motorer och generatorer)<\/h3>\n<ul>\n<li><strong>Variation i luftspalten:<\/strong> en excentrisk rotor ger upphov till en oj\u00e4mn <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/air-gap\/\">air gap<\/a>.<\/li>\n<li><strong>Obalanserad magnetisk dragkraft (UMP):<\/strong> asymmetriska magnetiska krafter, som drivs av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/magnetic-pull\/\">magnetisk dragkraft<\/a>.<\/li>\n<li><strong>Str\u00f6mvariationer:<\/strong> varierande reluktans p\u00e5verkar str\u00f6muttaget.<\/li>\n<li><strong>\u00d6verhettning:<\/strong> lokal uppv\u00e4rmning vid l\u00e4get med minsta luftspalt.<\/li>\n<li><strong>Elektromagnetiskt brus:<\/strong> vibration och brum vid n\u00e4trelaterade frekvenser \u2014 ofta vid dubbla n\u00e4tfrekvensen, med polpasseringssidoband n\u00e4r excentriciteten roterar med axeln.<\/li>\n<\/ul>\n<h3>Mekanisk belastning<\/h3>\n<ul>\n<li>\u00d6kade belastningar p\u00e5 lagren till f\u00f6ljd av krafter som liknar obalans.<\/li>\n<li>Cyklisk b\u00f6jsp\u00e4nning i axeln.<\/li>\n<li>Minskat spelrum vid de st\u00e4llen d\u00e4r avst\u00e5ndet \u00e4r som minst.<\/li>\n<li>A risk of <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/rotor-rub\/\">gnuggar<\/a> d\u00e4r utrymmet \u00e4r som minst.<\/li>\n<\/ul>\n<h2>5. Diagnos och differentialdiagnos<\/h2>\n<h3>Excentricitet kontra massobalans<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>S\u00e4rdrag<\/th>\n<th>Massobalans<\/th>\n<th>Excentricitet<\/th>\n<\/tr>\n<tr>\n<td>Vibrationsfrekvens<\/td>\n<td>1\u00d7 k\u00f6rhastighet<\/td>\n<td>1\u00d7 k\u00f6rhastighet<\/td>\n<\/tr>\n<tr>\n<td>Rundg\u00e5ng vid l\u00e5g hastighet<\/td>\n<td>Minimal<\/td>\n<td>H\u00f6g (proportionell mot excentricitet)<\/td>\n<\/tr>\n<tr>\n<td>Respons vid balansering<\/td>\n<td>Vibrationsreducerad<\/td>\n<td>Begr\u00e4nsad f\u00f6rb\u00e4ttring (l\u00e4gger till massobalans f\u00f6r att kompensera)<\/td>\n<\/tr>\n<tr>\n<td>Elektriska effekter<\/td>\n<td>Ingen<\/td>\n<td>Variation i luftspalten, UMP (i motorer\/generatorer)<\/td>\n<\/tr>\n<tr>\n<td>Korrektion<\/td>\n<td>L\u00e4gg till balansvikter<\/td>\n<td>Montera tillbaka komponenten, byt ut om det \u00e4r fabrikationsfel<\/td>\n<\/tr>\n<\/table>\n<p>Den enskilt mest anv\u00e4ndbara skillnaden \u00e4r rundg\u00e5ng vid l\u00e5g hastighet: ren massaobalans ger n\u00e4stan ingen s\u00e5dan alls, medan excentricitet ger stort kast \u00e4ven vid mycket l\u00e5g hastighet. D\u00e4rf\u00f6r \u00e4r en noggrann kontroll av rundg\u00e5ng det f\u00f6rsta steget n\u00e4r ett 1\u00d7-problem inte g\u00e5r att balansera bort.<\/p>\n<h3>Diagnostiska tester<\/h3>\n<h4>M\u00e4tning av rundg\u00e5ng<\/h4>\n<ul>\n<li>M\u00e4t det radiella kastet med en m\u00e4tklocka eller en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/proximity-probe\/\">n\u00e4rhetsgivare<\/a>.<\/li>\n<li>Vrid axeln l\u00e5ngsamt (&lt; 100 varv\/min).<\/li>\n<li>Stort radiellt kast \u2014 vanligtvis &gt; 0,05 mm (cirka 2 mils) \u2014 tyder p\u00e5 excentricitet eller en b\u00f6jd axel.<\/li>\n<li>Rundg\u00e5ng som kvarst\u00e5r \u00e4ven n\u00e4r axeln knappt roterar bekr\u00e4ftar ett geometriskt, inte ett dynamiskt, problem.<\/li>\n<\/ul>\n<h4>Test av balanseringsrespons<\/h4>\n<ul>\n<li>F\u00f6rs\u00f6k att balansera med <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/trial-weight\/\">provvikter<\/a>.<\/li>\n<li>Excentricitet begr\u00e4nsar den balanseringskvalitet som kan uppn\u00e5s.<\/li>\n<li>En acceptabel vibrationsniv\u00e5 kan uppn\u00e5s, men endast med ovanligt stora korrigeringsvikter.<\/li>\n<li>Dessa vikter &#8220;jagar&#8221; den geometriska f\u00f6rskjutningen i st\u00e4llet f\u00f6r att korrigera en verklig massf\u00f6rdelning, vilket l\u00e4mnar en h\u00f6g <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/residual-unbalance\/\">kvarvarande obalans<\/a> mekanism p\u00e5 plats.<\/li>\n<\/ul>\n<h2>6. Korrigeringsmetoder<\/h2>\n<h3>Mekanisk korrigering<\/h3>\n<ul>\n<li><strong>Montera om komponenten:<\/strong> ta bort den och montera den p\u00e5 nytt med b\u00e4ttre centrering.<\/li>\n<li><strong>Bearbeta ytorna:<\/strong> Omborra lagerpassningar eller bearbeta axeln f\u00f6r att f\u00f6rb\u00e4ttra rundg\u00e5ngen<\/li>\n<li><strong>Byt ut komponenten:<\/strong> om felet \u00e4r en tillverkningsdefekt kan byte vara det enda alternativet.<\/li>\n<li><strong>Justering av mellanl\u00e4gg:<\/strong> justera de monterade komponenterna med mellanl\u00e4gg.<\/li>\n<\/ul>\n<h3>Balanseringskompensation<\/h3>\n<ul>\n<li>L\u00e4gg till balansvikter f\u00f6r att skapa en motverkande obalans.<\/li>\n<li>Detta minskar vibrationerna men \u00e5tg\u00e4rdar inte geometrin.<\/li>\n<li>Det \u00e4r acceptabelt om excentriciteten ligger inom toleransgr\u00e4nserna och vibrationerna minskas i tillr\u00e4cklig utstr\u00e4ckning.<\/li>\n<li>Vid till\u00e4mpningar som kr\u00e4ver precision b\u00f6r begr\u00e4nsningen dokumenteras formellt.<\/li>\n<\/ul>\n<h3>F\u00f6r elmotorer och generatorer<\/h3>\n<ul>\n<li>Justera rotorn f\u00f6r att minimera variationerna i luftspalten.<\/li>\n<li>I sv\u00e5ra fall kr\u00e4vs det att statorn borras upp p\u00e5 nytt eller byts ut helt.<\/li>\n<li>Med avancerade drivsystem \u00e4r det ibland m\u00f6jligt att utf\u00f6ra elektromagnetisk kompensation.<\/li>\n<\/ul>\n<p>I f\u00e4lt \u00e4r den praktiska fr\u00e5gan oftast &#8220;kan jag balansera bort detta, eller \u00e4r det geometriskt?&#8221; En b\u00e4rbar tv\u00e5kanalsanalysator som <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> ger ett effektivt svar: genom att m\u00e4ta amplitud och fas vid 1\u00d7 f\u00f6re och efter en provvikt visar den hur rotorn faktiskt reagerar p\u00e5 tillagd massa, samtidigt som samma uppst\u00e4llning bekr\u00e4ftar om stora &#8220;jagande&#8221; korrigeringsvikter beh\u00f6vs \u2014 ett tydligt tecken p\u00e5 att excentricitet, snarare \u00e4n enbart obalans, \u00e4r grundorsaken. Tillsammans med en kontroll av radiellt kast vid l\u00e5ngsam rotation g\u00f6r den det m\u00f6jligt f\u00f6r en ingenj\u00f6r att med s\u00e4kerhet v\u00e4lja mellan balanseringskompensation och en mekanisk \u00e5tg\u00e4rd. D\u00e4r avvikelsen visar sig vara verkligt geometrisk <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/misalignment\/\">feljustering<\/a> hos en monterad rotor \u00e4r uppriktning snarare \u00e4n vikter l\u00f6sningen.<\/p>\n<p>Rotorexcentricitet \u00e4r en geometrisk avvikelse med dynamiska konsekvenser som n\u00e4ra efterliknar massobalans, men den har tydliga diagnostiska k\u00e4nnetecken \u2014 ih\u00e5llande radiellt kast vid l\u00e5ngsam rotation, stabil fas och, i maskiner, effekter i luftspalten. Att identifiera den genom m\u00e4tning av radiellt kast och f\u00f6rst\u00e5 varf\u00f6r enbart balansering inte helt kan avhj\u00e4lpa den leder till r\u00e4tt \u00e5tg\u00e4rd: mekanisk korrigering d\u00e4r det \u00e4r m\u00f6jligt, eller dokumenterat godtagande med balanseringskompensation d\u00e4r geometrisk modifiering \u00e4r opraktisk.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/\">\u2190 Tillbaka till huvudregistret<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e4r dig om rotorns excentricitet, f\u00f6rskjutningen mellan geometriska och rotationscentra som orsakar vibrationer liknande obalans, vanligt i motorer, generatorer och impeller.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-20650","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20650\/revisions"}],"predecessor-version":[{"id":102160,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/20650\/revisions\/102160"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=20650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=20650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=20650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}