{"id":140,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/hydraulic-forces\/"},"modified":"2026-05-23T22:43:23","modified_gmt":"2026-05-23T22:43:23","slug":"hydraulic-forces","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sv\/glossary\/hydraulic-forces\/","title":{"rendered":"Vad \u00e4r hydrauliska krafter? Vibrationsk\u00e4llor f\u00f6r pumpar"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 hydrauliska krafter i pumpar<\/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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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\/140?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>Hydrauliska krafter<\/strong> \u00e4r de krafter som en str\u00f6mmande v\u00e4tska ut\u00f6var p\u00e5 pumpens komponenter: tryckbelastningar p\u00e5 pumphjulets skovlar, axiell dragkraft till f\u00f6ljd av tryckskillnaden \u00f6ver pumphjulet, radiella krafter orsakade av en asymmetrisk tryckf\u00f6rdelning samt pulserande krafter som uppst\u00e5r till f\u00f6ljd av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/flow-turbulence\/\">fl\u00f6desomr\u00f6rning<\/a> och samverkan mellan skovlar och spiralhus. De skiljer sig i grunden fr\u00e5n de mekaniska krafter som alstras av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/unbalance\/\">obalans<\/a> eller <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/misalignment\/\">feljustering<\/a>, eftersom de beror p\u00e5 v\u00e4tsketryck och r\u00f6relsem\u00e4ngdsf\u00f6r\u00e4ndringar snarare \u00e4n p\u00e5 roterande massa \u2014 och de visar sig i spektrumet som <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vane-passing-frequency\/\">skovelpasseringsfrekvens<\/a> och dess tillh\u00f6rande \u00f6vertoner. Att f\u00f6rst\u00e5 dessa \u00e4r avg\u00f6rande f\u00f6r pumpens tillf\u00f6rlitlighet: hydrauliska krafter ger upphov till lagerbelastningar, axelb\u00f6jning och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration\/\">vibrationer<\/a> som varierar beroende p\u00e5 driftsf\u00f6rh\u00e5llandena \u2013 fl\u00f6deshastighet, tryck och v\u00e4tskans egenskaper \u2013 vilket g\u00f6r att en pump beter sig helt annorlunda \u00e4n maskiner vars krafter \u00e4r rent mekaniska.<\/p>\n<h2>1. Definition: Vad \u00e4r hydrauliska krafter?<\/h2>\n<p>I en idealisk pump skulle v\u00e4tskan trycka j\u00e4mnt mot alla delar av pumphjulet och pumphuset, och de enda krafter som axeln skulle k\u00e4nna av vore mekaniska. Verkligheten \u00e4r mer komplicerad. Trycket \u00e4r h\u00f6gre vid utloppet \u00e4n vid inloppet, det f\u00f6rdelas oj\u00e4mnt runt pumphjulets periferi och det pulserar varje g\u00e5ng en skovel passerar spiralhusets tunga. Summan av dessa effekter \u00e4r en upps\u00e4ttning konstanta, l\u00e5ngsamt varierande och snabbt pulserande belastningar som verkar p\u00e5 rotorn och strukturen. Avg\u00f6rande \u00e4r att deras storlek beror p\u00e5 <em>var p\u00e5 pumpkurvan pumpen arbetar<\/em> \u2014 ett faktum som ger diagnostikingenj\u00f6ren ett kraftfullt verktyg, eftersom en f\u00f6r\u00e4ndring av fl\u00f6det medf\u00f6r en f\u00f6r\u00e4ndring av krafterna.<\/p>\n<h2>2. Typer av hydrauliska krafter<\/h2>\n<h3>2.1 Axialkraft (hydraulisk axialkraft)<\/h3>\n<p>Den axiella nettokraften som uppst\u00e5r till f\u00f6ljd av tryckskillnaden \u00f6ver l\u00f6phjulet:<\/p>\n<ul>\n<li><strong>Mekanism:<\/strong> utloppstrycket verkar p\u00e5 ena sidan av l\u00f6phjulet, medan sugtrycket verkar p\u00e5 den andra.<\/li>\n<li><strong>Riktning:<\/strong> vanligtvis mot insugssidan (hjulets baksida).<\/li>\n<li><strong>Storlek:<\/strong> kan uppg\u00e5 till flera tusen pund kraft \u00e4ven i pumpar av m\u00e5ttlig storlek.<\/li>\n<li><strong>Effekt:<\/strong> loads the <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/thrust-bearing\/\">axiallager<\/a> and can cause <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/axial-vibration\/\">axiell vibration<\/a>.<\/li>\n<li><strong>Varierar med:<\/strong> fl\u00f6deshastighet, tryck och impellerkonstruktion.<\/li>\n<\/ul>\n<h4>Metoder f\u00f6r balansering av axialkraft<\/h4>\n<ul>\n<li><strong>Balance holes:<\/strong> h\u00e5l genom impellerh\u00f6ljet som utj\u00e4mnar trycket \u00f6ver hela ytan.<\/li>\n<li><strong>Back vanes:<\/strong> vingar p\u00e5 den bakre k\u00e5pan som pumpar v\u00e4tska ut\u00e5t f\u00f6r att s\u00e4nka trycket p\u00e5 baksidan.<\/li>\n<li><strong>Hjul med dubbelsug:<\/strong> en symmetrisk konstruktion d\u00e4r de b\u00e5da sidorna upph\u00e4ver varandras axialkraft.<\/li>\n<li><strong>Motst\u00e5ende l\u00f6phjul:<\/strong> flerstegspumpar d\u00e4r pumphjulen \u00e4r arrangerade s\u00e5 att de vetter i motsatta riktningar.<\/li>\n<\/ul>\n<h3>2.2 Radiella krafter<\/h3>\n<p>Sidokrafter som uppst\u00e5r till f\u00f6ljd av en asymmetrisk tryckf\u00f6rdelning runt l\u00f6phjulet:<\/p>\n<h4>Vid b\u00e4sta verkningspunkten (BEP)<\/h4>\n<ul>\n<li>Tryckf\u00f6rdelningen \u00e4r relativt symmetrisk runt impellern.<\/li>\n<li>Radialkrafterna balanserar varandra och upph\u00e4ver i stort sett varandra.<\/li>\n<li>Den radiella nettokraften \u00e4r minimal.<\/li>\n<li>Detta \u00e4r det tillst\u00e5nd som k\u00e4nnetecknas av l\u00e4gst vibrationer.<\/li>\n<\/ul>\n<h4>Utanf\u00f6r BEP \u2013 l\u00e5gt fl\u00f6de<\/h4>\n<ul>\n<li>Tryckf\u00f6rdelningen i spiralhuset blir asymmetrisk.<\/li>\n<li>En radiell nettokraft uppst\u00e5r i riktning mot spiralhusets tunga (cutwater).<\/li>\n<li>Dess storlek \u00f6kar n\u00e4r fl\u00f6det minskar.<\/li>\n<li>Vid avst\u00e4ngning kan den uppg\u00e5 till 20\u201340 % av l\u00f6phjulets vikt.<\/li>\n<li>Den roterande radiella kraften yttrar sig som en 1\u00d7-vibration.<\/li>\n<\/ul>\n<h4>Utanf\u00f6r BEP \u2014 h\u00f6gt fl\u00f6de<\/h4>\n<ul>\n<li>Ett annat asymmetrim\u00f6nster uppst\u00e5r.<\/li>\n<li>Det f\u00f6rekommer en radiell kraft, men den \u00e4r vanligtvis mindre \u00e4n vid l\u00e5gt fl\u00f6de.<\/li>\n<li>Str\u00f6mningsturbulensen tillf\u00f6r dessutom slumpm\u00e4ssiga kraftkomponenter.<\/li>\n<\/ul>\n<h3>2.3 Pulsationer vid skovelpassage<\/h3>\n<p>Periodiska tryckpulser som uppst\u00e5r n\u00e4r varje skovel passerar sk\u00e4rvattnet:<\/p>\n<ul>\n<li><strong>Frekvens:<\/strong> antal skovlar \u00d7 varvtal \/ 60.<\/li>\n<li><strong>Mekanism:<\/strong> Varje skovel som passerar tungan alstrar en tryckpuls.<\/li>\n<li><strong>Krafter:<\/strong> verkar p\u00e5 impellern, spiralhuset och h\u00f6ljet.<\/li>\n<li><strong>Vibrationer:<\/strong> dominerande vid skovelpassagefrekvensen.<\/li>\n<li><strong>Storlek:<\/strong> beror p\u00e5 spalten vid spiralhusets tunga, driftpunkten och konstruktionen.<\/li>\n<\/ul>\n<h3>2.4 \u00c5tercirkulationskrafter<\/h3>\n<ul>\n<li>L\u00e5gfrekventa instabila krafter fr\u00e5n fl\u00f6desinstabiliteter<\/li>\n<li>F\u00f6rekommer vid mycket l\u00e5ga \u2013 och ibland mycket h\u00f6ga \u2013 fl\u00f6den.<\/li>\n<li>Frekvenser typiskt 0.2\u20130.8\u00d7 varvtalet, i <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/sub-synchronous\/\">subsynkron<\/a> band.<\/li>\n<li>Kan orsaka kraftiga l\u00e5gfrekventa vibrationer.<\/li>\n<li>Ett tydligt tecken p\u00e5 drift l\u00e5ngt fr\u00e5n BEP \u2014 se <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/recirculation\/\">\u00e5tercirkulation<\/a>.<\/li>\n<\/ul>\n<h2>3. Inverkan p\u00e5 pumpens prestanda<\/h2>\n<h3>Lagringbelastning<\/h3>\n<ul>\n<li>Hydrauliska radiella krafter bidrar till de mekaniska belastningarna p\u00e5 lagren.<\/li>\n<li>Olika krafter ger upphov till cyklisk belastning.<\/li>\n<li>Belastningen \u00e4r som st\u00f6rst vid l\u00e5ga fl\u00f6den.<\/li>\n<li>Vid val av lager m\u00e5ste h\u00e4nsyn tas till den hydrauliska komponenten.<\/li>\n<li>Lagrets livsl\u00e4ngd minskar kraftigt med belastningen (livsl\u00e4ngden \u00e4r proportionell mot 1\/load\u00b3), s\u00e5 en m\u00e5ttlig <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/bearing-load\/\">Ber\u00e4kning av L10-lagrets livsl\u00e4ngd<\/a> kan visa hur mycket en l\u00e5g radialkraft f\u00f6rkortar livsl\u00e4ngden.<\/li>\n<\/ul>\n<h3>Axelb\u00f6jning<\/h3>\n<ul>\n<li>Radialkrafterna orsakar en b\u00f6jning av axeln.<\/li>\n<li>Detta p\u00e5verkar t\u00e4tningsspelen och passningen f\u00f6r slitringarna.<\/li>\n<li>Det kan minska effektiviteten.<\/li>\n<li>I extrema fall leder det till en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/rotor-rub\/\">gnugga<\/a>.<\/li>\n<\/ul>\n<h3>Vibrationsgenerering<\/h3>\n<ul>\n<li><strong>1\u00d7 component:<\/strong> fr\u00e5n den konstanta eller l\u00e5ngsamt varierande radiella kraften.<\/li>\n<li><strong>VPF-komponent:<\/strong> p\u00e5 grund av tryckpulseringarna.<\/li>\n<li><strong>Low-frequency:<\/strong> fr\u00e5n \u00e5tercirkulation och andra instabiliteter.<\/li>\n<li><strong>Beroende p\u00e5 arbetspunkt:<\/strong> Hela bilden f\u00f6r\u00e4ndras beroende p\u00e5 fl\u00f6deshastigheten.<\/li>\n<\/ul>\n<h3>Mekanisk belastning<\/h3>\n<ul>\n<li>Cykliska krafter p\u00e5verkar <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/fatigue\/\">tr\u00f6tthet<\/a> loading.<\/li>\n<li>Impellerbladen uts\u00e4tts f\u00f6r p\u00e5frestningar p\u00e5 grund av tryckskillnaderna.<\/li>\n<li>Axeln uts\u00e4tts f\u00f6r utmattning p\u00e5 grund av b\u00f6jmoment.<\/li>\n<li>H\u00f6ljet uts\u00e4tts f\u00f6r p\u00e5frestningar p\u00e5 grund av tryckpulseringarna.<\/li>\n<\/ul>\n<h2>4. Minimering av hydrauliska krafter<\/h2>\n<h3>Drift n\u00e4ra BEP<\/h3>\n<ul>\n<li>Den absolut mest effektiva strategin f\u00f6r att minimera hydrauliska krafter.<\/li>\n<li>Str\u00e4va efter att, i m\u00f6jligaste m\u00e5n, h\u00e5lla driften inom intervallet 80\u2013110 % av BEP-fl\u00f6det.<\/li>\n<li>Radialkrafterna \u00e4r som minst vid BEP.<\/li>\n<li>Vibrationer och lagerbelastningar minimeras samtidigt.<\/li>\n<\/ul>\n<h3>Designegenskaper<\/h3>\n<ul>\n<li><strong>Diffus\u00f6rpumpar:<\/strong> en mer symmetrisk tryckf\u00f6rdelning \u00e4n ett enkelspiralhus.<\/li>\n<li><strong>Dubbel volut:<\/strong> tv\u00e5 vattenavledare placerade 180\u00b0 fr\u00e5n varandra som balanserar de radiella krafterna.<\/li>\n<li><strong>\u00d6kade spel:<\/strong> minska tryckpulserna vid skovelpassagefrekvensen (p\u00e5 bekostnad av viss verkningsgrad).<\/li>\n<li><strong>Val av skoveltal:<\/strong> valda f\u00f6r att undvika akustiska resonanser.<\/li>\n<\/ul>\n<h3>System design<\/h3>\n<ul>\n<li>S\u00e4kerst\u00e4ll ett \u00e5tercirkulationsskydd med minimifl\u00f6de f\u00f6r basbelastningspumpar.<\/li>\n<li>V\u00e4lj pumpstorlek korrekt f\u00f6r det faktiska driftfallet och undvik \u00f6verdimensionering.<\/li>\n<li>Anv\u00e4nd en frekvensomriktare f\u00f6r att h\u00e5lla den optimala driftpunkten.<\/li>\n<li>Utforma inloppet s\u00e5 att f\u00f6rvirvling och turbulens minimeras.<\/li>\n<\/ul>\n<h2>5. Diagnostisk anv\u00e4ndning<\/h2>\n<h3>Prestandakurvor och hydrauliska krafter<\/h3>\n<ul>\n<li>Plotta vibrationen mot fl\u00f6det.<\/li>\n<li>Vibrationerna \u00e4r vanligtvis som l\u00e4gst vid eller n\u00e4ra BEP.<\/li>\n<li>\u00d6kade vibrationer vid l\u00e5gt fl\u00f6de tyder p\u00e5 stora radiella krafter.<\/li>\n<li>Diagrammet hj\u00e4lper till att fastst\u00e4lla ett l\u00e4mpligt driftsomr\u00e5de.<\/li>\n<\/ul>\n<h3>VPF analysis<\/h3>\n<ul>\n<li>VPF-amplituden anger hur kraftig den hydrauliska pulseringen \u00e4r.<\/li>\n<li>Ett stigande VPF-v\u00e4rde tyder p\u00e5 \u00f6kande spel eller en f\u00f6rskjutning av driftpunkten.<\/li>\n<li>VPF <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/harmonics\/\">\u00f6vertoner<\/a> tyder p\u00e5 turbulent, st\u00f6rd str\u00f6mning.<\/li>\n<\/ul>\n<p>Att skilja dessa hydrauliska signaler fr\u00e5n rent mekaniska \u00e4r k\u00e4rnan i pumpdiagnostiken, och det \u00e4r h\u00e4r en b\u00e4rbar vibrationsanalysator visar sitt v\u00e4rde ute i f\u00e4lt. Den <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> f\u00e5ngar upp <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/spectrum\/\">vibrationsspektrum<\/a> p\u00e5 lagerhusen och analyserar 1\u00d7-, VPF- och l\u00e5gfrekvenskomponenterna, s\u00e5 att en tekniker kan avg\u00f6ra om ett h\u00f6gt m\u00e4tv\u00e4rde kr\u00e4ver <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/faltbalansering\/\">f\u00e4ltbalansering<\/a> (en mekanisk \u00e5tg\u00e4rd) eller en \u00e4ndring av driftsl\u00e4get (en hydraulisk \u00e5tg\u00e4rd) \u2013 och om diagnosen pekar p\u00e5 obalans, balansera rotorn och kontrollera resultatet direkt p\u00e5 plats.<\/p>\n<h2>6. \u00d6verv\u00e4ganden kring m\u00e4tning<\/h2>\n<h3>Platser f\u00f6r vibrationsm\u00e4tning<\/h3>\n<ul>\n<li><strong>Lagerhus:<\/strong> uppt\u00e4cka de samverkande mekaniska och hydrauliska krafterna.<\/li>\n<li><strong>Pump casing:<\/strong> mer k\u00e4nslig f\u00f6r hydrauliska pulseringar.<\/li>\n<li><strong>Sug- och tryckledningar:<\/strong> leder de \u00f6verf\u00f6rda tryckpulseringarna.<\/li>\n<li><strong>Flera platser:<\/strong> Genom att j\u00e4mf\u00f6ra dem kan man skilja mellan hydrauliska och mekaniska orsaker.<\/li>\n<\/ul>\n<h3>M\u00e4tning av tryckpulseringar<\/h3>\n<ul>\n<li>Montera tryckgivare p\u00e5 sug- och trycksidan.<\/li>\n<li>Dessa m\u00e4ter de hydrauliska pulseringarna direkt.<\/li>\n<li>Koppla samman pulsationsdata med vibrationerna.<\/li>\n<li>Anv\u00e4nd kombinationen f\u00f6r att identifiera akustiska resonanser.<\/li>\n<\/ul>\n<p>Hydrauliska krafter \u00e4r avg\u00f6rande f\u00f6r hur en pump fungerar och utg\u00f6r en viktig k\u00e4lla till vibrationer och belastning. Att f\u00f6rst\u00e5 hur dessa krafter varierar beroende p\u00e5 driftsf\u00f6rh\u00e5llandena, att kunna identifiera deras m\u00f6nster i vibrationsspektrumet samt att konstruera och driva pumparna s\u00e5 att krafterna h\u00e5lls p\u00e5 en l\u00e5g niv\u00e5 \u2013 fr\u00e4mst genom att k\u00f6ra n\u00e4ra BEP \u2013 \u00e4r avg\u00f6rande f\u00f6r att uppn\u00e5 en p\u00e5litlig och l\u00e5ngvarig pumpfunktion i industriell drift. F\u00f6r en mer ing\u00e5ende beskrivning av de fel som dessa krafter orsakar, se <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/centrifugal-pump-defects\/\">fel p\u00e5 centrifugalpumpar<\/a> och <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/impeller-defects\/\">defekter p\u00e5 pumphjulet<\/a>.<\/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 hydrauliska krafter i pumpar, tryckinducerade belastningar fr\u00e5n v\u00e4tskefl\u00f6de som skapar vibrationer vid skovelpasseringsfrekvens, axiell kraft och radiella krafter som p\u00e5verkar tillf\u00f6rlitligheten.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-140","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/140","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\/140\/revisions"}],"predecessor-version":[{"id":101337,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/140\/revisions\/101337"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}