{"id":274,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/torsional-analysis\/"},"modified":"2026-05-23T22:39:51","modified_gmt":"2026-05-23T22:39:51","slug":"torsional-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sv\/glossary\/torsional-analysis\/","title":{"rendered":"Vad \u00e4r torsionsanalys? Bed\u00f6mning av vridningsvibrationer"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 torsionsanalys<\/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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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\/274?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>Torsionsanalys<\/strong> \u00e4r m\u00e4tning, utv\u00e4rdering och modellering av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/torsional-vibration\/\">torsionsvibration<\/a> \u2014 torsionssv\u00e4ngningar kring axelns l\u00e4ngdaxel \u2014 i drivlinorna hos roterande maskiner. Till skillnad fr\u00e5n <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/lateral-vibration\/\">sidovibration<\/a> (b\u00f6jning), som l\u00e4ses direkt av standard <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/accelerometer\/\">accelerometrar<\/a> bultad p\u00e5 ett lagerhus ger torsionsr\u00f6relse ingen tv\u00e4rg\u00e5ende f\u00f6rskjutning alls och \u00e4r d\u00e4rf\u00f6r osynlig f\u00f6r vanliga <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration-analysis\/\">vibrationsanalys<\/a>. F\u00f6r att uppt\u00e4cka den kr\u00e4vs specialiserade metoder - t\u00f6jningsgivare, dubbla varvtalsgivare eller laser <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/laser-vibrometry\/\">vibrometri<\/a> - tillsammans med analys f\u00f6r att hitta naturliga vridningsfrekvenser och bed\u00f6ma <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/fatigue\/\">tr\u00f6tthet<\/a> risk i axlar, kopplingar och kugghjul.<\/p>\n<p>Denna disciplin \u00e4r kritisk f\u00f6r kolvmotordrifter, l\u00e5nga drivaxlar, h\u00f6geffektsv\u00e4xell\u00e5dor och motorsystem med frekvensomriktare (VFD), d\u00e4r torsionsvibrationer kan orsaka pl\u00f6tsliga, katastrofala axel- eller kopplingsfel \u00e4ven n\u00e4r laterala <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration-severity\/\">vibrationsniv\u00e5n<\/a> ser helt acceptabel ut. Det \u00e4r en specialiserad men n\u00f6dv\u00e4ndig f\u00f6rm\u00e5ga f\u00f6r att f\u00f6rhindra den typ av ov\u00e4ntade haverier som vanlig \u00f6vervakning aldrig ser komma.<\/p>\n<h2>1. Varf\u00f6r beh\u00f6vs vridningsanalys?<\/h2>\n<h3>Torsionsvibration j\u00e4mf\u00f6rt med lateral vibration<\/h3>\n<p>De tv\u00e5 r\u00f6relserna \u00e4r mekaniskt oberoende av varandra, och detta oberoende \u00e4r hela anledningen till att det finns en separat disciplin:<\/p>\n<ul>\n<li><strong>Sidledes:<\/strong> axelns och lagrens b\u00f6jning och r\u00f6relse fr\u00e5n sida till sida - f\u00e5ngas enkelt upp med en standardaccelerometer eller <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/proximity-probe\/\">n\u00e4rhetsgivare<\/a>.<\/li>\n<li><strong>Torsionell:<\/strong> vrids runt rotationsaxeln utan att n\u00e5gon sidof\u00f6rskjutning kan detekteras, vilket g\u00f6r den osynlig f\u00f6r konventionellt monterade sensorer.<\/li>\n<li><strong>Oberoende:<\/strong> en maskin kan uts\u00e4ttas f\u00f6r kraftiga torsionsvibrationer samtidigt som den uppvisar l\u00e5ga laterala vibrationsniv\u00e5er, och vice versa - de tv\u00e5 f\u00f6ljer inte varandra.<\/li>\n<li><strong>Skada:<\/strong> Torsionsvibrationer kan orsaka brott i axlar och kopplingar utan n\u00e5gon som helst varning fr\u00e5n m\u00e4tningar i sidled, och det \u00e4r just d\u00e4rf\u00f6r de \u00e4r s\u00e5 farliga.<\/li>\n<\/ul>\n<h3>Karakteristiska felmodi<\/h3>\n<p>Eftersom torsionsexcitation ger upphov till cyklisk skjuvsp\u00e4nning p\u00e5 drivlinan, har dess fel en igenk\u00e4nnbar signatur:<\/p>\n<ul>\n<li><strong>Utmattningsfrakturer i axeln:<\/strong> vanligtvis ett rent brott orienterat i ungef\u00e4r 45\u00b0 mot axelns l\u00e4ngdaxel, planet f\u00f6r maximal skjuvsp\u00e4nning.<\/li>\n<li><strong>Fel p\u00e5 kopplingselementet:<\/strong> spruckna kuggt\u00e4nder i kugghjulskopplingar eller s\u00f6nderrivna flexibla element i elastomer- och skivkopplingar.<\/li>\n<li><strong>Kuggtandsbrott:<\/strong> drivs av oscillerande, reverserande tandbelastningar snarare \u00e4n av ett j\u00e4mnt vridmoment.<\/li>\n<li><strong>Skador p\u00e5 kil och kilsp\u00e5r:<\/strong> fretting och lossning n\u00e4r f\u00f6rbandet arbetas fram och tillbaka av den v\u00e4xlande vridningen.<\/li>\n<\/ul>\n<h2>2. M\u00e4tteknik<\/h2>\n<p>Eftersom det inte finns n\u00e5gon l\u00e4mplig yta att rikta en sensor mot har fyra praktiska metoder utvecklats, d\u00e4r noggrannhet st\u00e4lls mot kostnad och frekvensomr\u00e5de.<\/p>\n<h3>Metod med t\u00f6jningsgivare<\/h3>\n<p>Den mest direkta v\u00e4gen - att m\u00e4ta vridsp\u00e4nningen vid k\u00e4llan:<\/p>\n<ul>\n<li>T\u00f6jningsgivarna f\u00e4sts i 45\u00b0 mot axelns l\u00e4ngdaxel, den orientering som f\u00e5ngar upp maximal skjuvsp\u00e4nning.<\/li>\n<li>De l\u00e4ser av den skjuvt\u00f6jning som uppst\u00e5r vid vridning och som omvandlas direkt till vridmoment och v\u00e4xlande sp\u00e4nning.<\/li>\n<li>En roterande axel kr\u00e4ver antingen glidringar eller tr\u00e5dl\u00f6s telemetri <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/telemetry\/\">telemetri<\/a> f\u00f6r att f\u00e5 ut signalen fr\u00e5n den roterande komponenten.<\/li>\n<li>Det \u00e4r den mest exakta metoden, men ocks\u00e5 den mest komplexa och dyraste, s\u00e5 den anv\u00e4nds mest i forsknings- och utvecklingsarbete.<\/li>\n<\/ul>\n<h3>Metod med dubbla varvtalsgivare<\/h3>\n<ul>\n<li>Tv\u00e5 optiska sensorer - vanligtvis tv\u00e5 <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/laser-tachometer\/\">laservarvr\u00e4knare<\/a> - \u00e4r riktade mot olika axiella positioner p\u00e5 axeln.<\/li>\n<li>Instrumentet m\u00e4ter den momentana <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/phase\/\">fas<\/a> skillnad mellan de tv\u00e5 stationerna.<\/li>\n<li>Den fasskillnaden \u00e4r axelns vinkelvridning mellan dem, vilket \u00e4r sj\u00e4lva torsionsvibrationen.<\/li>\n<li>Det \u00e4r ber\u00f6ringsfritt och mycket praktiskt i f\u00e4lt, men vanligtvis begr\u00e4nsat till l\u00e5gfrekventa torsionskomponenter, under cirka 100 Hz.<\/li>\n<\/ul>\n<h3>Vridvibrometer med laser<\/h3>\n<ul>\n<li>Ett specialiserat laser-Doppler-system riktat mot axelns yta.<\/li>\n<li>Den m\u00e4ter vinkelhastighetsfluktuationer direkt, utan f\u00f6rberedelse av axeln.<\/li>\n<li>Ber\u00f6ringsfri, med ett brett anv\u00e4ndbart frekvensomr\u00e5de.<\/li>\n<li>Kraftfull, men dyr instrumentering reserverad f\u00f6r kr\u00e4vande unders\u00f6kningar.<\/li>\n<\/ul>\n<h3>Motorstr\u00f6msanalys<\/h3>\n<ul>\n<li>Torsionsvibrationer i en motordriven drivlina modulerar belastningen och skapar d\u00e4rf\u00f6r sm\u00e5 fluktuationer i motorstr\u00f6mmen.<\/li>\n<li>Analys av motorstr\u00f6mmen <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/spectrum\/\">spektrum<\/a> avsl\u00f6jar dessa fluktuationer indirekt.<\/li>\n<li>Den \u00e4r helt icke-invasiv \u2014 ingen sensor kommer i n\u00e4rheten av axeln \u00f6verhuvudtaget.<\/li>\n<li>B\u00e4st betraktad som ett screeningverktyg som flaggar ett problem som \u00e4r v\u00e4rt att bekr\u00e4fta med en direkt metod.<\/li>\n<\/ul>\n<h2>3. Analytisk torsionsanalys<\/h2>\n<p>M\u00e4tning ber\u00e4ttar vad en maskin g\u00f6r nu; modellering ber\u00e4ttar vad den kommer att g\u00f6ra \u00f6ver hela varvtalsomr\u00e5det och l\u00e5ter ingenj\u00f6rer konstruera bort problemet innan metallen bearbetas.<\/p>\n<h3>Matematisk modellering<\/h3>\n<ul>\n<li>Drivlinan reduceras till en torsionsmodell med diskreta massor \u2014 tr\u00f6ghetsskivor f\u00f6rbundna med torsionsfedrar (axelsektioner och kopplingar).<\/li>\n<li>Utifr\u00e5n den ber\u00e4knas de torsionella egenfrekvenserna.<\/li>\n<li>Modellen f\u00f6ruts\u00e4ger responsen p\u00e5 varje excitationsk\u00e4lla och identifierar torsionella <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/critical-speed\/\">kritiska hastigheter<\/a> och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/resonance\/\">resonanser<\/a>.<\/li>\n<\/ul>\n<h3>Excitationsk\u00e4llor<\/h3>\n<p>Torsionsresonanser blir farliga f\u00f6rst n\u00e4r n\u00e5got driver dem vid r\u00e4tt frekvens. De vanligaste bovarna \u00e4r:<\/p>\n<ul>\n<li><strong>Reciprocerande motorer:<\/strong> t\u00e4ndpulser fr\u00e5n varje cylinder skapar stark torsionsexcitation vid motordriftsordningar.<\/li>\n<li><strong>Kugghjulsn\u00e4t:<\/strong> tandingreppling ger ett oscillerande vridmoment vid <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/gear-mesh-frequency\/\">kugghjulsingreppsfrekvens<\/a>.<\/li>\n<li><strong>VFD:er:<\/strong> PWM-v\u00e4xling genererar \u00f6vertoner som kan tr\u00e4ffa en torsionsmod.<\/li>\n<li><strong>Elektrisk:<\/strong> motor <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/pole-pass-frequency\/\">pole-passing<\/a> och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/slip-frequency\/\">glidfrekvenser<\/a> tillf\u00f6r ytterligare torsionsbelastning.<\/li>\n<\/ul>\n<h3>Campbell-diagrammet f\u00f6r torsion<\/h3>\n<p>Det standardiserade grafiska verktyget f\u00f6r att koppla frekvenser till varvtal \u00e4r <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/campbell-diagram\/\">Campbell-diagrammet<\/a>:<\/p>\n<ul>\n<li>Torsionella egenfrekvenser plottas mot driftvarvtal.<\/li>\n<li>Excitationsordningslinjer (1\u00d7, 2\u00d7, t\u00e4ndningsordning, kuggmeshordning) l\u00e4ggs in som \u00f6verlager.<\/li>\n<li>D\u00e4r en ordningslinje korsar en egenfrekvens uppst\u00e5r en torsionskritisk varvtal &mdash; en interferenspunkt som b\u00f6r undvikas.<\/li>\n<li>Diagrammet v\u00e4gleder sedan valet av driftvarvtal och eventuella begr\u00e4nsade band. Du kan skissa samma interferenskarta f\u00f6r en given drivlina med <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/campbell-diagram-calculator\/\">Campbell-diagramkalkylator<\/a>.<\/li>\n<\/ul>\n<h2>4. Kritiska till\u00e4mpningar<\/h2>\n<p>Torsionsanalys beh\u00f6vs inte \u00f6verallt, men inom ett f\u00e5tal maskingrupper \u00e4r den i praktiken obligatorisk.<\/p>\n<ul>\n<li><strong>Drivsystem f\u00f6r kolvmotorer:<\/strong> dieselgeneratorer, gasmotorkompressorer och marint framdrivningssystem, d\u00e4r stora momentpulsationer g\u00f6r analysen oundviklig.<\/li>\n<li><strong>L\u00e5nga drivaxlar:<\/strong> valsverk, marina propellerskaft och pappersmaskindrifter, d\u00e4r den rena l\u00e4ngden s\u00e4nker torsionsstyvheten och f\u00f6r ner egenfrekvenserna i driftomr\u00e5det.<\/li>\n<li><strong>Kraftfulla v\u00e4xell\u00e5dor:<\/strong> vindturbinv\u00e4xell\u00e5dor och industriella reduktorer \u00f6ver ungef\u00e4r 1\u00a0000 hk, d\u00e4r kuggmeshexcitation kan s\u00e4tta en torsionsmod i sv\u00e4ngning.<\/li>\n<li><strong>VFD-motorsystem:<\/strong> ett snabbt v\u00e4xande problem i takt med att frekvensomriktare sprids, eftersom PWM-harmoniska kan excitera torsionsresonanser som en motor med fast varvtal aldrig skulle g\u00f6ra.<\/li>\n<\/ul>\n<h2>5. Tolkning av resultaten<\/h2>\n<p>En torsionsstudie ger tre leverabler som tillsammans avg\u00f6r om en drivlina \u00e4r s\u00e4ker att driva.<\/p>\n<h3>Torsionella naturliga frekvenser<\/h3>\n<ul>\n<li>Identifierade genom m\u00e4tning, ber\u00e4kning eller b\u00e5dadera.<\/li>\n<li>J\u00e4mf\u00f6rt mot alla troliga excitationsfrekvenser.<\/li>\n<li>Kontrollerade f\u00f6r tillr\u00e4cklig separation &mdash; en betryggande marginal mellan mod och excitationsfrekvens \u00f6ver hela driftomr\u00e5det.<\/li>\n<\/ul>\n<h3>Stressniv\u00e5er<\/h3>\n<ul>\n<li>Alternerande skjuvsp\u00e4nning ber\u00e4knas fr\u00e5n den uppm\u00e4tta torsionsamplituden.<\/li>\n<li>Den j\u00e4mf\u00f6rs med materialets utmattningsgr\u00e4ns (uth\u00e5llighetsgr\u00e4ns).<\/li>\n<li>Andelen av utmattningslivsl\u00e4ngden som f\u00f6rbrukas per timme eller per start uppskattas.<\/li>\n<li>En bed\u00f6mning f\u00f6ljer: \u00e4r sp\u00e4nningarna acceptabla f\u00f6r den erforderliga brukstiden?<\/li>\n<\/ul>\n<h3>D\u00e4mpning<\/h3>\n<ul>\n<li>M\u00e4tt utifr\u00e5n responssk\u00e4rpan vid varje torsionsresonans.<\/li>\n<li>Torsionell <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/damping\/\">d\u00e4mpning<\/a> \u00e4r typiskt mycket l\u00e5g &mdash; ofta under 1\u00a0% av kritisk.<\/li>\n<li>L\u00e5g d\u00e4mpning inneb\u00e4r h\u00f6ga, smala resonanstoppar och stor f\u00f6rst\u00e4rkning om en excitationsordning sammanfaller med en mod.<\/li>\n<\/ul>\n<h2>6. Strategier f\u00f6r att minska turbulensen<\/h2>\n<p>N\u00e4r analysen indikerar ett problem finns tre \u00e5tg\u00e4rdsalternativ tillg\u00e4ngliga, och de till\u00e4mpas vanligtvis i denna prioritetsordning.<\/p>\n<h3>Frekvensseparation<\/h3>\n<ul>\n<li>Flytta torsionsegenfrekvenserna bort fr\u00e5n varje excitationsfrekvens.<\/li>\n<li>Justera axeldiameter eller l\u00e4ngd, eller \u00e4ndra kopplingstorsion <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/stiffness\/\">styvhet<\/a>, f\u00f6r att \u00e4ndra modalegenskaperna.<\/li>\n<li>\u00c4ndra tr\u00f6ghetsmomenten \u2014 till exempel genom att montera ett sv\u00e4nghjul \u2014 f\u00f6r att f\u00f6rskjuta egenfrekvenserna.<\/li>\n<\/ul>\n<h3>Adding Damping<\/h3>\n<ul>\n<li>Montera en torsionsd\u00e4mpare (visk\u00f6s eller friktionstyp) f\u00f6r att ta upp energi fr\u00e5n resonansen.<\/li>\n<li>Specificera flexibla kopplingar med h\u00f6g d\u00e4mpning i st\u00e4llet f\u00f6r stela kopplingar.<\/li>\n<li>B\u00e5da minskar f\u00f6rst\u00e4rkningen vid resonans \u00e4ven n\u00e4r fullst\u00e4ndig frekvensavskiljning \u00e4r om\u00f6jlig.<\/li>\n<\/ul>\n<h3>F\u00f6r\u00e4ndringar av driftshastighet<\/h3>\n<ul>\n<li>Undvik kontinuerlig drift vid identifierade torsionsresonanshastigheter.<\/li>\n<li>Definiera och till\u00e4mpa begr\u00e4nsade varvtalsband som maskinen passerar igenom snabbt.<\/li>\n<li>Vid en frekvensomriktare (VFD), justera drivenheten f\u00f6r att minimera excitationen vid de problematiska \u00f6vertonsfrekvenserna.<\/li>\n<\/ul>\n<h2>7. Torsionsanalys inom ett f\u00e4ltprogram<\/h2>\n<p>Torsionsarbete \u00e4r specialiserat, men det st\u00e5r inte ensamt \u2014 det samsas med de rutinm\u00e4ssiga balanseringsoch lateral-vibrationskontrollerna som h\u00e5ller ett drivsystem i gott skick, och en ren lateral bild \u00e4r den baslinje mot vilken en torsionsavvikelse framtr\u00e4der. I det dagliga f\u00e4ltarbetet bekr\u00e4ftar en ingenj\u00f6r f\u00f6rst att rotorn i sig \u00e4r v\u00e4l balanserad och att 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/unbalance\/\">obalans<\/a> \u00e4r under kontroll, eftersom restoobalans och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/misalignment\/\">feljustering<\/a> tillf\u00f6r sin egen momentvariation till linjen. Ett b\u00e4rbart tv\u00e5kanaligt instrument som <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> hanterar den laterala sidan p\u00e5 plats \u2014 m\u00e4ter 1\u00d7 amplitud och fas, balanserar rotorn i sina egna lager och verifierar <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/residual-unbalance\/\">kvarvarande obalans<\/a> \u2014 s\u00e5 att eventuell kvarvarande vridsenergi entydigt kan h\u00e4nf\u00f6ras till verkliga torsionsk\u00e4llor snarare \u00e4n till ett lateralt fel som maskerar sig som ett s\u00e5dant. Med rotorn balanserad och inriktad kan en dedikerad torsionsm\u00e4tning (dubbel tachometer eller t\u00f6jningsgivare) sedan isolera det verkliga torsionsbeteendet.<\/p>\n<p>Sammanfattningsvis \u00e4r torsionsanalys en specialiserad vibrationsdisciplin inriktad p\u00e5 vridningsoscillationer som kan orsaka katastrofala haverier som \u00e4r osynliga f\u00f6r konventionell lateral \u00f6vervakning. \u00c4ven om den kr\u00e4ver specialbyggd m\u00e4tutrustning och modellering \u00e4r den oumb\u00e4rlig f\u00f6r kolvmotordrivsystem, l\u00e5nga axlar, h\u00f6geffektv\u00e4xell\u00e5dor och VFD-system, d\u00e4r torsionsvibration medf\u00f6r verklig risk f\u00f6r drifts\u00e4kerhet och s\u00e4kerhet.<\/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 vridningsanalys, m\u00e4tning och utv\u00e4rdering av vridningssv\u00e4ngningar i axlar och drivlinor f\u00f6r att f\u00f6rhindra utmattningsbrott i kopplingar, kugghjul och axlar.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-274","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/274","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":1,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/274\/revisions"}],"predecessor-version":[{"id":101315,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/274\/revisions\/101315"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}