{"id":275,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/torsional-vibration\/"},"modified":"2026-07-03T10:16:55","modified_gmt":"2026-07-03T10:16:55","slug":"torsional-vibration","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sv\/glossary\/torsional-vibration\/","title":{"rendered":"Vad \u00e4r torsionsvibrationer? Orsaker och effekter"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 torsionsvibrationer i roterande maskiner<\/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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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\/275?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>Torsionsvibration<\/strong> \u00e4r den vinkelm\u00e4ssiga sv\u00e4ngningen hos en roterande axel kring sin egen axel \u2013 en vridande och \u00e5tervridande r\u00f6relse d\u00e4r olika delar av axeln f\u00f6r ett \u00f6gonblick roterar med n\u00e5got olika hastigheter. Till skillnad fr\u00e5n <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/lateral-vibration\/\">sidovibration<\/a> (r\u00f6relse fr\u00e5n sida till sida) eller <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/axial-vibration\/\">axiell vibration<\/a> (fram- och \u00e5terg\u00e5ende r\u00f6relse l\u00e4ngs axeln) medf\u00f6r vridvibrationer ingen linj\u00e4r f\u00f6rskjutning alls; axeln \u00f6kar och minskar helt enkelt hastigheten kring medelrotationen och uts\u00e4tts f\u00f6r v\u00e4xlande positiv och negativ vinkelacceleration. \u00c4ven om dess amplituder vanligtvis \u00e4r betydligt mindre \u00e4n de vid sidovibrationer och den \u00e4r notoriskt sv\u00e5r att uppt\u00e4cka, kan den bygga upp enorma v\u00e4xlande sp\u00e4nningar i axlar, kopplingar och kugghjul \u2014 och det \u00e4r ett av de f\u00e5 felmoder som kan f\u00f6rst\u00f6ra en drivlina n\u00e4stan utan f\u00f6rvarning.<\/p>\n<h2>1. Den fysiska mekanismen<\/h2>\n<h3>Hur torsionsvibrationer uppst\u00e5r<\/h3>\n<p>Mekanismen \u00e4r l\u00e4ttast att f\u00f6rest\u00e4lla sig som ett fj\u00e4der-mass-system som \u00e4r lindat runt rotationsaxeln:<\/p>\n<ul>\n<li>F\u00f6rest\u00e4ll dig en l\u00e5ng axel som kopplar en motor till en driven last<\/li>\n<li>Axeln fungerar som en vridfj\u00e4der som lagrar och frig\u00f6r energi n\u00e4r den vrids.<\/li>\n<li>N\u00e4r ett varierande vridmoment p\u00e5verkar den, b\u00f6rjar axeln sv\u00e4nga, varvid vissa delar roterar snabbare och andra l\u00e5ngsammare \u00e4n medelhastigheten.<\/li>\n<li>Dessa sv\u00e4ngningar f\u00f6rst\u00e4rks kraftigt om exciteringsfrekvensen sammanfaller med en torsionsegenfrekvens \u2014 en torsions <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/resonance\/\">resonans<\/a>.<\/li>\n<\/ul>\n<h3>Torsionella naturliga frekvenser<\/h3>\n<p>Varje axelsystem har torsionsegenfrekvenser som best\u00e4ms av:<\/p>\n<ul>\n<li><strong>Axelns vridstyvhet:<\/strong> en funktion av axelns diameter, l\u00e4ngd och materialets skjuvmodul.<\/li>\n<li><strong>Systemets tr\u00f6ghet:<\/strong> tr\u00f6ghetsmomenten hos de anslutna roterande komponenterna \u2013 motorrotor, kopplingar, kugghjul och last.<\/li>\n<li><strong>Flera moder:<\/strong> Komplexa drivlinor har flera vridningsfrekvenser, inte bara en.<\/li>\n<li><strong>Kopplingseffekter:<\/strong> Flexibla kopplingar ger \u00f6kad vridningsflexibilitet och s\u00e4nker egenfrekvenserna<\/li>\n<\/ul>\n<p>Eftersom dessa frekvenser endast beror p\u00e5 styvhet och tr\u00f6ghet \u2013 och aldrig p\u00e5 lagren eller fundamentet \u2013 kan en maskin som \u00e4r mekaniskt tyst i radiell riktning \u00e4nd\u00e5 befinna sig i en farlig vridningsresonans.<\/p>\n<h2>2. De fr\u00e4msta orsakerna till vridningsvibrationer<\/h2>\n<h3>1. Variabelt vridmoment fr\u00e5n kolvmotorer<\/h3>\n<p>Den vanligaste k\u00e4llan i m\u00e5nga till\u00e4mpningar:<\/p>\n<ul>\n<li><strong>Diesel- och bensinmotorer:<\/strong> Varje f\u00f6rbr\u00e4nningscykel ger upphov till en vridmomentspuls snarare \u00e4n en j\u00e4mn kraft.<\/li>\n<li><strong>T\u00e4ndf\u00f6ljd:<\/strong> skapar \u00f6vertoner i motorvarvtalet.<\/li>\n<li><strong>Cylinderantal:<\/strong> f\u00e4rre cylindrar ger st\u00f6rre variation i vridmomentet per varv.<\/li>\n<li><strong>Resonansrisk:<\/strong> driftvarvtalet kan sammanfalla med en torsions <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/critical-speed\/\">kritisk hastighet<\/a>.<\/li>\n<\/ul>\n<h3>2. Kuggingreppskrafter<\/h3>\n<p>Kugghjulssystem ger naturligtvis upphov till vridningsvibrationer:<\/p>\n<ul>\n<li>Den <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/gear-mesh-frequency\/\">kugghjulsingreppsfrekvens<\/a> (antal t\u00e4nder \u00d7 varvtal) ger upphov till ett oscillerande vridmoment.<\/li>\n<li>D\u00e4rtill kommer fel i tandavst\u00e5ndet och brister i profilen.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/backlash\/\">Gear backlash<\/a> kan orsaka st\u00f6tbelastning n\u00e4r t\u00e4nderna glider is\u00e4r och griper tag i varandra igen.<\/li>\n<li>Flera kugghjulssteg bildar komplexa vridningssystem med flera l\u00e4gen.<\/li>\n<\/ul>\n<h3>3. Problem med elmotorer<\/h3>\n<p>Elmotorer kan sj\u00e4lva orsaka vridningsst\u00f6rningar:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/pole-pass-frequency\/\">Polpassfrekvens<\/a>:<\/strong> Samspelet mellan rotor och stator skapar pulserande vridmoment<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/broken-rotor-bars\/\">Trasiga rotorst\u00e4nger<\/a>:<\/strong> generera vridmomentpulser vid <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/slip-frequency\/\">glidfrekvens<\/a>.<\/li>\n<li><strong>Frekvensomriktare (VFD):<\/strong> PWM-styrning kan direkt v\u00e4cka vridningssv\u00e4ngningsformer.<\/li>\n<li><strong>Starttransienter:<\/strong> Vid motorstart uppst\u00e5r stora vridmomentsvariationer n\u00e4r rotorn accelererar.<\/li>\n<\/ul>\n<h3>4. Variationer i processbelastning<\/h3>\n<p>Variabel belastning p\u00e5 den drivna utrustningen leder till att vridmomentspikar \u00f6verf\u00f6rs tillbaka till drivlinan:<\/p>\n<ul>\n<li>Kompressor <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/surging\/\">surge<\/a> events.<\/li>\n<li>Pump <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/cavitation\/\">kavitation<\/a> vilket ger upphov till vridmomentspikar.<\/li>\n<li>Cykliska belastningar i krossar, kvarnar och pressar.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/blade-passing-frequency\/\">Blade-passing<\/a> krafter i fl\u00e4ktar och turbiner.<\/li>\n<\/ul>\n<h3>5. Problem med koppling och drivlina<\/h3>\n<ul>\n<li>Slitna eller skadade kopplingar med glapp eller spel \u2014 se <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/coupling-defects\/\">kopplingsfel<\/a>.<\/li>\n<li>Kardanknutar som arbetar i vinkel, vilket ger upphov till en 2\u00d7 torsionsexcitation.<\/li>\n<li>Slirning och skakningar vid remdrift.<\/li>\n<li>Polygoneffekt i kedjedrift.<\/li>\n<\/ul>\n<h2>3. Utmaningar vid detektering och m\u00e4tning<\/h2>\n<h3>Varf\u00f6r torsionsvibrationer \u00e4r sv\u00e5ra att uppt\u00e4cka<\/h3>\n<p>Till skillnad fr\u00e5n sidovibrationer syns inte vridvibrationer i standardverktygsl\u00e5dan:<\/p>\n<ul>\n<li><strong>Ingen radiell f\u00f6rskjutning:<\/strong> ordinary <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/accelerometer\/\">accelerometrar<\/a> p\u00e5 lagerhus kan helt enkelt inte registrera en ren vridr\u00f6relse.<\/li>\n<li><strong>Sm\u00e5 vinkelamplituder:<\/strong> De typiska amplituderna uppg\u00e5r till br\u00e5kdelar av en grad.<\/li>\n<li><strong>N\u00f6dv\u00e4ndig specialutrustning:<\/strong> dedikerade torsionssensorer eller avancerad analys beh\u00f6vs.<\/li>\n<li><strong>N\u00e5got som ofta f\u00f6rbises:<\/strong> det ing\u00e5r s\u00e4llan i en rutin <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration-monitoring\/\">vibrations\u00f6vervakning<\/a> programmet, s\u00e5 det f\u00f6rsta tecknet \u00e4r ofta ett haveri.<\/li>\n<\/ul>\n<h3>M\u00e4tmetoder<\/h3>\n<h4>1. T\u00f6jningsgivare<\/h4>\n<ul>\n<li>Monterad i 45\u00b0 vinkel mot axeln f\u00f6r att m\u00e4ta skjuvt\u00f6jning.<\/li>\n<li>Require a <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/telemetry\/\">telemetri<\/a> system f\u00f6r att \u00f6verf\u00f6ra signalen fr\u00e5n den roterande axeln.<\/li>\n<li>Ger ett direkt m\u00e5tt p\u00e5 vridsp\u00e4nningen.<\/li>\n<li>Den mest exakta metoden, men den \u00e4r komplicerad och kostsam.<\/li>\n<\/ul>\n<h4>2. Torsionsvibrationssensorer med dubbla prober<\/h4>\n<ul>\n<li>Tv\u00e5 optiska eller magnetiska sensorer m\u00e4ter hastigheten p\u00e5 olika st\u00e4llen l\u00e4ngs axeln.<\/li>\n<li>Fasf\u00f6rskjutningen mellan de tv\u00e5 signalerna avsl\u00f6jar vridningsvibrationen.<\/li>\n<li>Ber\u00f6ringsfri m\u00e4tning.<\/li>\n<li>Kan monteras tillf\u00e4lligt eller permanent.<\/li>\n<\/ul>\n<h4>3. Lasertorsionsvibrometrar<\/h4>\n<ul>\n<li>Optisk m\u00e4tning av axelns variationer i vinkelhastighet.<\/li>\n<li>Ber\u00f6ringsfri, kr\u00e4ver ingen f\u00f6rberedelse av axeln.<\/li>\n<li>Dyrt, men effektivt vid fels\u00f6kning.<\/li>\n<\/ul>\n<h4>4. Indirekta indikatorer<\/h4>\n<ul>\n<li>Analys av motorstr\u00f6mssignaturen (MCSA) kan avsl\u00f6ja vridningsproblem ur ett elektriskt perspektiv.<\/li>\n<li>Slitagem\u00f6nster p\u00e5 kopplingar och kuggt\u00e4nder.<\/li>\n<li>Axel <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/fatigue\/\">tr\u00f6tthet<\/a>-sprickornas placering och riktning.<\/li>\n<li>Ovanliga laterala vibrationsm\u00f6nster som kan kopplas till torsionsl\u00e4gen<\/li>\n<\/ul>\n<h2>4. Konsekvenser och skademekanismer<\/h2>\n<h3>Utmattningsfel<\/h3>\n<p>Den fr\u00e4msta risken med vridningsvibrationer \u00e4r h\u00f6gcykelutmattning:<\/p>\n<ul>\n<li><strong>Axelbrott:<\/strong> Utmattningssprickor l\u00f6per vanligtvis i en vinkel p\u00e5 45\u00b0 mot axelns riktning, l\u00e4ngs de plan d\u00e4r skjuvsp\u00e4nningen \u00e4r som st\u00f6rst.<\/li>\n<li><strong>Fel p\u00e5 kopplingar:<\/strong> slitage p\u00e5 kuggkopplingens t\u00e4nder och utmattning i de flexibla elementen.<\/li>\n<li><strong>Tandhjulsbrott:<\/strong> p\u00e5skyndas av vridningssv\u00e4ngningar, vilket bidrar till <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/gear-defects\/\">v\u00e4xelfel<\/a>.<\/li>\n<li><strong>Skador p\u00e5 kil och kilsp\u00e5r:<\/strong> gnidkorrosion och slitage till f\u00f6ljd av det st\u00e4ndigt v\u00e4xlande vridmomentet.<\/li>\n<\/ul>\n<h3>K\u00e4nnetecken f\u00f6r torsionsfel<\/h3>\n<ul>\n<li>Ofta pl\u00f6tsligt och f\u00f6r\u00f6dande, utan n\u00e5gon f\u00f6rvarning.<\/li>\n<li>Brottytor i ungef\u00e4r 45\u00b0 vinkel mot axelns riktning.<\/li>\n<li>Strandm\u00e4rken p\u00e5 brottytan som visar hur utmattningssprickan har utvecklats.<\/li>\n<li>Detta kan intr\u00e4ffa \u00e4ven n\u00e4r sidovibrationerna ligger inom fullt acceptabla gr\u00e4nser \u2013 vilket \u00e4r anledningen till att vridningsproblem s\u00e5 ofta f\u00f6rbises.<\/li>\n<\/ul>\n<h3>Prestandaproblem<\/h3>\n<ul>\n<li>Problem med hastighetsreglering i precisionsdrivsystem.<\/li>\n<li>\u00d6verdrivet slitage i v\u00e4xell\u00e5dor och kopplingar.<\/li>\n<li>Buller fr\u00e5n kuggrassel och slag i kopplingar.<\/li>\n<li>Ineffektiv kraft\u00f6verf\u00f6ring.<\/li>\n<\/ul>\n<h2>5. Analys och modellering<\/h2>\n<h3>Torsionsanalys under design<\/h3>\n<p>En genomt\u00e4nkt konstruktion kr\u00e4ver en s\u00e4rskild <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/torsional-analysis\/\">vridningsanalys<\/a>:<\/p>\n<ul>\n<li><strong>Ber\u00e4kning av egenfrekvens:<\/strong> best\u00e4mma alla kritiska vridningshastigheter.<\/li>\n<li><strong>Tv\u00e5ngssvarsanalys:<\/strong> f\u00f6ruts\u00e4ga vridningsamplituderna vid driftsf\u00f6rh\u00e5llanden.<\/li>\n<li><strong>Campbell-diagram:<\/strong> a <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/campbell-diagram\/\">Campbell-diagrammet<\/a> visar de torsionella egenfrekvenserna mot driftsvarvtalet f\u00f6r att uppt\u00e4cka sammanfall.<\/li>\n<li><strong>Sp\u00e4nningsanalys:<\/strong> ber\u00e4kna de v\u00e4xlande skjuvsp\u00e4nningarna i de kritiska komponenterna.<\/li>\n<li><strong>Utmattningslivsl\u00e4ngdsprognos:<\/strong> uppskatta komponentens livsl\u00e4ngd vid vridbelastning - en <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/fatigue-life-calculator\/\">ber\u00e4kningsverktyg f\u00f6r utmattningsh\u00e5llfasthet<\/a> omvandlar den v\u00e4xlande sp\u00e4nningen och en S-N-kurva till ett f\u00f6rv\u00e4ntat antal cykler.<\/li>\n<\/ul>\n<h3>Programvaruverktyg<\/h3>\n<p>Specialiserad programvara sk\u00f6ter de mer avancerade analyserna:<\/p>\n<ul>\n<li>Flertr\u00f6ghetsmodeller med koncentrerade massor.<\/li>\n<li>Torsionsanalys med finita element.<\/li>\n<li>Simulering i tidsdom\u00e4nen av transienta h\u00e4ndelser, s\u00e5som motorstart och kortslutningar.<\/li>\n<li>Harmonisk analys i frekvensdom\u00e4nen.<\/li>\n<\/ul>\n<h2>6. Metoder f\u00f6r begr\u00e4nsning och kontroll<\/h2>\n<h3>Designl\u00f6sningar<\/h3>\n<ul>\n<li><strong>Separationsmarginaler:<\/strong> se till att vridningsegenfrekvenserna ligger minst \u00b120 % fr\u00e5n exciteringsfrekvenserna.<\/li>\n<li><strong>D\u00e4mpning:<\/strong> anv\u00e4nda vridningsd\u00e4mpare (visk\u00f6sa eller friktionsbaserade) f\u00f6r att avleda energi \u2014 den praktiska sidan av mekaniken <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/damping\/\">d\u00e4mpning<\/a>.<\/li>\n<li><strong>Flexibla kopplingar:<\/strong> \u00f6ka vridningselasticiteten f\u00f6r att s\u00e4nka de egna sv\u00e4ngningsfrekvenserna under exciteringsomr\u00e5det.<\/li>\n<li><strong>Mass tuning:<\/strong> L\u00e4gg till sv\u00e4nghjul eller modifiera tr\u00f6ghetsmoment f\u00f6r att \u00e4ndra naturliga frekvenser<\/li>\n<li><strong>Styvhets\u00e4ndringar:<\/strong> \u00e4ndra axeldiametrar eller kopplingens styvhet.<\/li>\n<\/ul>\n<h3>Operativa l\u00f6sningar<\/h3>\n<ul>\n<li><strong>Hastighetsbegr\u00e4nsningar:<\/strong> Undvik kontinuerlig drift vid det kritiska vridningsvarvtalet.<\/li>\n<li><strong>Snabb acceleration:<\/strong> passera kritiska hastigheter snabbt vid uppstart.<\/li>\n<li><strong>Laststyrning:<\/strong> undvik driftsf\u00f6rh\u00e5llanden som exciterar de torsionella egenformerna.<\/li>\n<li><strong>VFD tuning:<\/strong> justera drivparametrarna f\u00f6r att minimera vridningsexcitationen.<\/li>\n<\/ul>\n<h3>Komponentval<\/h3>\n<ul>\n<li><strong>Kopplingar med h\u00f6g d\u00e4mpning:<\/strong> elastomer- eller hydraulkopplingar som absorberar vridenergi.<\/li>\n<li><strong>Torsionsd\u00e4mpare:<\/strong> specialkonstruerade enheter f\u00f6r drivsystem med kolvmotor.<\/li>\n<li><strong>Kuggkvalitet:<\/strong> Precisionskugghjul med sn\u00e4va toleranser minskar vibrationerna redan vid k\u00e4llan.<\/li>\n<li><strong>Axelmaterial:<\/strong> Material med h\u00f6g utmattningsh\u00e5llfasthet f\u00f6r vridningskritiska axlar<\/li>\n<\/ul>\n<h2>7. Branschtill\u00e4mpningar och standarder<\/h2>\n<h3>Kritiska applikationer<\/h3>\n<p>En vridningsanalys \u00e4r s\u00e4rskilt viktig f\u00f6r:<\/p>\n<ul>\n<li><strong>Drivsystem f\u00f6r kolvmotorer:<\/strong> dieselgeneratorer och gasmotordrivna kompressorer.<\/li>\n<li><strong>L\u00e5nga drivaxlar:<\/strong> fartygsframdrivning och valsverk.<\/li>\n<li><strong>Kraftfulla v\u00e4xell\u00e5dor:<\/strong> vindkraftverk och industriella v\u00e4xell\u00e5dor.<\/li>\n<li><strong>Drivsystem med variabelt varvtal:<\/strong> motorapplikationer med frekvensomriktare och servosystem.<\/li>\n<li><strong>Flerkroppssystem:<\/strong> komplexa drivsystem med flera sammankopplade maskiner.<\/li>\n<\/ul>\n<h3>Relevanta standarder<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/api-684\/\">API 684<\/a>:<\/strong> rotordynamik, inklusive metoder f\u00f6r vridningsanalys.<\/li>\n<li><strong>API 617:<\/strong> vridningskrav f\u00f6r centrifugalkompressorer.<\/li>\n<li><strong>API 672:<\/strong> vridningsanalys f\u00f6r paketerade kolvkompressorer.<\/li>\n<li><strong>ISO 22266:<\/strong> vridningsvibrationer hos roterande maskiner.<\/li>\n<li><strong>VDI 2039:<\/strong> torsionsvibrationer i drivlinor &mdash; ber\u00e4kning, m\u00e4tning, reduktion.<\/li>\n<\/ul>\n<h2>8. Sambandet med andra vibrationstyper<\/h2>\n<p>\u00c4ven om vridningsvibrationer skiljer sig fr\u00e5n lateral- och axiella vibrationer, h\u00e5ller de sig inte alltid inom sitt eget omr\u00e5de - de kan kopplas till de andra sv\u00e4ngningsformerna:<\/p>\n<ul>\n<li><strong>Koppling mellan lateral- och vridningsvibrationer:<\/strong> I vissa geometrier samverkar vridnings- och sidovibrationerna och utbyter energi.<\/li>\n<li><strong>Kugghjulsn\u00e4t:<\/strong> Torsionsvibrationer f\u00f6r\u00e4ndrar belastningen p\u00e5 t\u00e4nderna, vilket i sin tur ger upphov till sidovibrationer.<\/li>\n<li><strong>Kardanknutar:<\/strong> angular <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/misalignment\/\">feljustering<\/a> omvandlar en vridande ing\u00e5ngssignal till en sidleds utg\u00e5ngssignal.<\/li>\n<li><strong>Diagnostisk utmaning:<\/strong> Ett komplext vibrationsm\u00f6nster kan best\u00e5 av flera olika vibrationstyper samtidigt, vilket \u00e4r anledningen till att ett fel som \u00e4r sv\u00e5rt att \u00e5tg\u00e4rda genom balansering eller inriktning ibland visar sig ha sitt ursprung i vridning.<\/li>\n<\/ul>\n<p>Vid rutinm\u00e4ssigt f\u00e4ltarbete \u00e4r den praktiska l\u00e4rdomen att vridningsproblem ofta d\u00f6ljer sig bakom rena radiella m\u00e4tv\u00e4rden. N\u00e4r en b\u00e4rbar vibrationsanalysator som <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> bekr\u00e4ftar att 1X <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/unbalance\/\">obalans<\/a> och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/misalignment\/\">feljustering<\/a> ligger inom tolerans men drivlinan \u00e4nd\u00e5 drabbas av upprepade fel p\u00e5 axlar, kopplingar eller kugghjul, \u00e4r en unders\u00f6kning av vridningsvibrationer det logiska n\u00e4sta steget. Att f\u00f6rst\u00e5 och hantera vridningsvibrationer \u00e4r avg\u00f6rande f\u00f6r en tillf\u00f6rlitlig drift av kraft\u00f6verf\u00f6ringssystem: de f\u00e5r mindre uppm\u00e4rksamhet \u00e4n sidovibrationer vid rutinm\u00e4ssig \u00f6vervakning, men \u00e4r avg\u00f6rande vid konstruktion och fels\u00f6kning av kraftfulla eller precisionsdrivsystem, d\u00e4r fel orsakade av vridningsvibrationer kan f\u00e5 katastrofala f\u00f6ljder.<\/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 torsionsvibrationer, den vridande oscillationen hos roterande axlar kring sin axel som kan orsaka utmattningsfel i kopplingar, kugghjul och drivlinor.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-275","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/275","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\/275\/revisions"}],"predecessor-version":[{"id":102192,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/275\/revisions\/102192"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}