{"id":171,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/n-plus-2-method\/"},"modified":"2026-07-03T10:11:26","modified_gmt":"2026-07-03T10:11:26","slug":"n-plus-2-method","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/n-plus-2-method\/","title":{"rendered":"Kaj je metoda N+2 pri uravnote\u017eenju v ve\u010d ravninah?"},"content":{"rendered":"<h1>Razumevanje metode N+2 pri uravnote\u017eenju ve\u010d ravnin<\/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\/sl\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij 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=\"Prenosni uravnote\u017enik in analizator vibracij Balanset-1A v popolnem kompletu\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij Balanset-1A\">Prenosni balanser in analizator vibracij 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">\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=\"Senzor vibracij Balanset-1A od blizu\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">Senzor vibracij<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">\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=\"Opti\u010dni senzor (laserski tahometer)\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">Opti\u010dni senzor (laserski tahometer)<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/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=\"Komplet za uravnote\u017eenje rotorjev Vibromera: torba za prena\u0161anje, ve\u010dkanalni pretvornik signala, ro\u010dni analizator, magnetna podlaga, senzorji vibracij in spiralni kabli.\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo 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=\"Magnetna osnova.\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo Insize-60-kgf\">Magnetno stojalo 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" 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title=\"Odsevni trak\">\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=\"Odsevni trak\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">Odsevni trak<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &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=\"Vsebina kompleta Balanset-1A z vmesni\u0161ko enoto, senzorji, tahometrom in dodatno opremo\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &quot;Balanset-1A&quot; OEM\">Dinami\u010dni uravnote\u017eevalnik \"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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/171?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=\"Dodaj v ko\u0161arico: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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>Spletna stran <strong>Metoda N+2<\/strong> je napreden <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/uravnotezenje\/\">uravnote\u017eenje<\/a> postopek, uporabljen za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/multi-plane-balancing\/\">ve\u010dravninsko uravnote\u017eenje<\/a> od <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/flexible-rotor\/\">fleksibilni rotorji<\/a>. Njegovo ime izhaja iz pravila korekcijskih ravnin, formaliziranega v ISO 21940-12 (prej ISO 11342): za uravnote\u017eenje rotorja skozi <em>N<\/em> upogibne kriti\u010dne (resonan\u010dne) hitrosti, kadar se izvaja tudi togostno uravnote\u017eenje pri nizki hitrosti, rotor na splo\u0161no potrebuje N <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/correction-plane\/\">korekcijske ravnine<\/a> za N pro\u017enih na\u010dinov in \u0161e dve za togostno neuravnote\u017eenost (stati\u010dno in momentno) \u2014 skupaj N+2 ravnin. Tega ne zamenjujte s \u0161tevilom zagonov: v prakti\u010dnem postopku z vplivnimi koeficienti, opisanem v tem \u010dlanku, <em>N<\/em> ozna\u010duje \u0161tevilo dejansko uporabljenih korekcijskih ravnin, delo pa nato zahteva N+2 zagonov \u2014 en za\u010detni referen\u010dni zagon, N <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/trial-weight\/\">poskusna te\u017ea<\/a> zagonov (po enega za vsako ravnino) in kon\u010dno preverjanje. Metoda raz\u0161irja logiko <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/two-plane-balancing\/\">uravnote\u017eenje v dveh ravninah<\/a> za rotorje, ki zahtevajo tri ali ve\u010d ravnin, kar je pogosto pri visokohitrostnih turbinah, kompresorjih, generatorjih in dolgih valjih papirnih strojev.<\/p>\n<h2>1. Opredelitev: Kaj je metoda N+2<\/h2>\n<p>A <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rigid-rotor\/\">togi rotor<\/a> deluje pod svojo prvo <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/critical-speed\/\">kriti\u010dna hitrost<\/a> se lahko prilagodi v okviru dovoljenega odstopanja s preprosto eno- ali dvosmerno korekcijo, saj je njegova <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> Porazdelitev se s hitrostjo ne spreminja. Pri pro\u017enem rotorju je druga\u010de: ko dose\u017ee kriti\u010dno hitrost ali jo prese\u017ee, se upogne, pri \u010demer se zaradi tega upogiba u\u010dinkovita neuravnote\u017eenost prerazporedi po njegovi dol\u017eini. Za njegovo izravnavo je zato potrebnih ve\u010d ravnin, razporejenih vzdol\u017e gredi, ter metoda, s katero je mogo\u010de razvozlati, kako vsaka ravnina vpliva na vibracije na vseh drugih mestih. Metoda N+2 je ta sistemati\u010dni postopek upo\u0161tevanja \u2013 discipliniran na\u010din za popolno opredelitev rotorja, nato pa takoj\u0161nje iskanje najbolj\u0161ega popravka na vsaki ravnini.<\/p>\n<h2>2. Matemati\u010dni temelji<\/h2>\n<p>Metoda N+2 je zgrajena na <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/influence-coefficient\/\">metoda vplivnih koeficientov<\/a>, posplo\u0161eno z ene ali dveh ravnin na ve\u010d.<\/p>\n<h3>Matrika koeficientov vpliva<\/h3>\n<p>Za rotor z N korekcijskimi ravninami in M merilnimi to\u010dkami (obi\u010dajno M \u2265 N) sistem opisuje M\u00d7N-matrika vplivnih koeficientov. Vsak koeficient \u03b1<sub>ij<\/sub> prikazuje, kako se enota te\u017ee, postavljena v ravnino korekcije <em>j<\/em> vpliva na vibracije, zabele\u017eene na mestu merjenja <em>i<\/em>. S \u0161tirimi korekcijskimi ravninami in \u0161tirimi merilnimi to\u010dkami, na primer:<\/p>\n<ul>\n<li>\u03b1<sub>11<\/sub>, \u03b1<sub>12<\/sub>, \u03b1<sub>13<\/sub>, \u03b1<sub>14<\/sub> opisati, kako vsaka od \u0161tirih ravnin vpliva na merilno to\u010dko 1;<\/li>\n<li>\u03b1<sub>21<\/sub>, \u03b1<sub>22<\/sub>, \u03b1<sub>23<\/sub>, \u03b1<sub>24<\/sub> opisati vplive na merilno to\u010dko 2;<\/li>\n<li>in tako naprej za lokaciji 3 in 4.<\/li>\n<\/ul>\n<p>Tako nastane matrika 4\u00d74, za katero je treba dolo\u010diti \u0161estnajst vplivnih koeficientov. Vsak koeficient je kompleksna veli\u010dina, ki ima tako absolutno vrednost kot tudi <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/phase\/\">faza<\/a> kot, saj odziv rotorja zaostaja za delujo\u010do silo.<\/p>\n<h3>Re\u0161evanje sistema<\/h3>\n<p>Ko so vsi koeficienti znani, program za uravnote\u017eenje re\u0161i sistem M simultanih vektorskih ena\u010db, da dolo\u010di N korekcijskih ute\u017ei (W<sub>1<\/sub>, W<sub>2<\/sub>, \u2026 W<sub>n<\/sub>), ki zmanj\u0161ujejo <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration\/\">vibracije<\/a> na vseh lokacijah M hkrati. To temelji na <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vector-addition\/\">vektorska matematika<\/a> in algoritmi za inverzijo matrik (ali metode najmanj\u0161ih kvadratov). Kadar je M ve\u010dje od N, je sistem prekomerno dolo\u010den, re\u0161itev po metodi najmanj\u0161ih kvadratov pa poi\u0161\u010de korekcijski niz, ki zagotavlja najmanj\u0161e preostale vibracije na vseh senzorjih \u2013 kar je zanesljivej\u0161i rezultat ob prisotnosti merilnega \u0161uma.<\/p>\n<h2>3. Postopek N+2, korak za korakom<\/h2>\n<p>Postopek poteka po zaporedju, ki se naravno prilagaja \u0161tevilu korekcijskih ravnin.<\/p>\n<h3>Meritev 1 \u2013 za\u010detna izhodi\u0161\u010dna meritev<\/h3>\n<p>Rotor se v za\u010detnem neuravnote\u017eenem stanju vrti pri uravnote\u017eevalni hitrosti. Amplituda vibracij in <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/phase\/\">faza<\/a> se merijo na vseh M mestih \u2013 obi\u010dajno na vsakem le\u017eaju, v\u010dasih pa tudi na vmesnih to\u010dkah, da se zajame gibanje v sredini razpona. Te meritve dolo\u010dajo izhodi\u0161\u010dne vektorje neuravnote\u017eenosti, ki jih je treba popraviti.<\/p>\n<h3>Izvedbe od 2 do N+1 \u2014 zaporedne preskusne izvedbe z ute\u017emi<\/h3>\n<p>Za vsako korekcijsko ravnino posebej, od 1 do N:<\/p>\n<ol>\n<li>Ustavite rotor in pritrdite preskusno ute\u017e znane mase v znanem kotnem polo\u017eaju izklju\u010dno v tej eni ravnini.<\/li>\n<li>Rotor naj deluje z enako hitrostjo, vibracije pa izmerite na vseh to\u010dkah M.<\/li>\n<li>Sprememba vibracije \u2013 vektor toka minus referen\u010dni vektor \u2013 poka\u017ee, kako ta dolo\u010dena ravnina vpliva na vsako merilno to\u010dko, kar da en stolpec koeficientne matrike.<\/li>\n<li>Pred prehodom na naslednjo ravnino odstranite preskusno ute\u017e (razen \u010de se uporablja namerna razli\u010dica \u00bbpusti v\u00ab, da se prihrani \u0161tevilo preizkusov).<\/li>\n<\/ol>\n<p>Po vseh N poskusnih izvedbah je znana celotna matrika vplivnih koeficientov velikosti M\u00d7N.<\/p>\n<h3>Faza izra\u010duna<\/h3>\n<p>Orodje re\u0161uje matri\u010dne ena\u010dbe za izra\u010dun potrebnih <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/correction-weight\/\">korekcijske ute\u017ei<\/a> \u2014 tako maso kot kot \u2014 za vsako od N ravnin.<\/p>\n<h3>Zagon N+2 \u2014 Preverjanje<\/h3>\n<p>Vse izra\u010dunane korekcije N se trajno vgradijo, kon\u010dni preizkus pa potrdi, da so se vibracije na vseh merilnih mestih zni\u017eale na sprejemljivo raven. \u010ce rezultat \u0161e ni zadovoljiv, se <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/trim-balance\/\">ravnote\u017eje trima<\/a> ali pa se izvede nadaljnja iteracija z uporabo \u017ee znanih koeficientov.<\/p>\n<h2>4. Primer z re\u0161itvijo: Uravnote\u017eenje v \u0161tirih ravninah (N = 4)<\/h2>\n<p>Za dolg fleksibilen rotor, ki zahteva \u0161tiri korekcijske ravnine:<\/p>\n<ul>\n<li><strong>Skupno \u0161tevilo zagonov:<\/strong> 4 + 2 = 6.<\/li>\n<li><strong>1. izvedba:<\/strong> za\u010detna meritev na vseh \u0161tirih le\u017eajih.<\/li>\n<li><strong>2. tek:<\/strong> izmerite poskusno obremenitev v ravnini 1 in izmerite vsa \u0161tiri le\u017eaja.<\/li>\n<li><strong>3. tek:<\/strong> izmerite poskusno obremenitev v ravnini 2 in izmerite vsa \u0161tiri le\u017eaja.<\/li>\n<li><strong>4. tek:<\/strong> izmerite poskusno obremenitev v ravnini 3 in izmerite vse \u0161tiri le\u017eaje.<\/li>\n<li><strong>5. tek:<\/strong> izmerite poskusno obremenitev v ravnini 4 in izmerite vsa \u0161tiri le\u017eaja.<\/li>\n<li><strong>6. tek:<\/strong> preverjanje z vgrajenimi vsemi \u0161tirimi popravki<\/li>\n<\/ul>\n<p>S tem se ustvari 4\u00d74-matrika s \u0161estnajstimi koeficienti, ki se re\u0161i, da se poi\u0161\u010dejo \u0161tiri optimalne korekcijske ute\u017ei. Enaka ra\u010dunska postopka za preprostej\u0161o nalogo sta podlaga za <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/influence-coefficient-calculator\/\">kalkulator koeficienta vpliva<\/a>, ki re\u0161uje primer v eni ravnini in omogo\u010da la\u017eje razumevanje osnovne vektorske metode pred \u0161iritvijo na ve\u010d ravnin.<\/p>\n<h2>5. Prednosti metode N+2<\/h2>\n<p>Ta pristop ponuja ve\u010d pomembnih prednosti za delo v ve\u010d ravninah:<\/p>\n<ul>\n<li><strong>Sistemati\u010dno in celovito:<\/strong> vsaka korekcijska ploskev se preizku\u0161a lo\u010deno, kar omogo\u010da popolno opredelitev <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor-bearing-system\/\">rotorsko-le\u017eajni sistem<\/a>odziv na vseh ravneh in lokacijah.<\/li>\n<li><strong>Upo\u0161teva kompleksno medsebojno povezovanje:<\/strong> pri pro\u017enih rotorjih lahko te\u017ea v kateri koli ravnini vpliva na vibracije pri vsakem le\u017eaju; matrika vse te medsebojne vplive izrecno bele\u017ei.<\/li>\n<li><strong>Matemati\u010dno natan\u010dno:<\/strong> uporablja uveljavljene tehnike linearne algebre (inverzija matrik, prilagajanje po metodi najmanj\u0161ih kvadratov), ki dajejo optimalne re\u0161itve, kadar se sistem obna\u0161a linearno.<\/li>\n<li><strong>Prilagodljiva strategija merjenja:<\/strong> \u010ce dovolimo, da M prese\u017ee N, dobimo prekomerno dolo\u010den sistem, ki je bolj odporen proti \u0161umu.<\/li>\n<li><strong>Industrijski standard za kompleksne rotorje:<\/strong> to je uveljavljena metoda za visokohitrostne turbinske stroje in druge kriti\u010dne aplikacije z gibljivim rotorjem.<\/li>\n<\/ul>\n<h2>6. Izzivi in omejitve<\/h2>\n<p>Tudi ve\u010dravninsko uravnote\u017eenje po metodi N+2 prina\u0161a resne te\u017eave:<\/p>\n<ul>\n<li><strong>Ve\u010dja kompleksnost:<\/strong> \u0160tevilo poskusnih vo\u017eenj nara\u0161\u010da linearno s \u0161tevilom ravnin. Za uravnote\u017eenje v \u0161estih ravninah je potrebnih osem vo\u017eenj, kar znatno pove\u010da \u010das, stro\u0161ke in obrabo stroja.<\/li>\n<li><strong>Zahteve glede natan\u010dnosti merjenja:<\/strong> Re\u0161evanje velikih matri\u010dnih sistemov pove\u010da u\u010dinek merilnih napak. Bistveni sta visokokakovostna instrumentacija in skrbna tehnika.<\/li>\n<li><strong>Numeri\u010dna stabilnost:<\/strong> Inverzija matrike lahko postane slabo pogojena, \u010de so korekcijske ravnine preblizu druga drugi, \u010de izbrane merilne to\u010dke ne zajamejo odziva rotorja ali \u010de preskusne ute\u017ei povzro\u010dajo le neznatne spremembe vibracij.<\/li>\n<li><strong>\u010cas in stro\u0161ki:<\/strong> vsaka dodatna ravnina pomeni \u0161e eno vo\u017enjo, kar podalj\u0161uje izpad in pove\u010duje porabo delovne sile; pri kriti\u010dni opremi je treba to pretehtati glede na izbolj\u0161anje kakovosti uravnote\u017eenja.<\/li>\n<li><strong>Zahteva napredno programsko opremo:<\/strong> Re\u0161evanje N\u00d7N sistemov kompleksnih vektorskih ena\u010db mo\u010dno presega zmo\u017enosti ro\u010dnega izra\u010duna, zato je nujna uporaba specializirane programske opreme za ve\u010dravninsko uravnote\u017eenje.<\/li>\n<\/ul>\n<h2>7. Kdaj uporabiti metodo N+2<\/h2>\n<p>Ta metoda je primerna, kadar:<\/p>\n<ul>\n<li><strong>Rotor je resni\u010dno pro\u017een:<\/strong> deluje nad svojo prvo \u2013 in morda tudi drugo ali tretjo \u2013 <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/critical-speed\/\">kriti\u010dna hitrost<\/a>.<\/li>\n<li><strong>Rotor je dolg in vitek:<\/strong> visoko razmerje med dol\u017eino in premerom pomeni znatno upogibanje gredi med delovanjem.<\/li>\n<li><strong>Uravnote\u017eenje v dveh ravninah se je izkazalo za nezadostno:<\/strong> prej <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/two-plane-balancing\/\">dvoravninski<\/a> poskusi niso prinesli sprejemljivega rezultata.<\/li>\n<li><strong>Pre\u010dkati je treba ve\u010d kriti\u010dnih hitrosti<\/strong> med normalnim delovanjem.<\/li>\n<li><strong>Oprema je visokokakovostna:<\/strong> kriti\u010dne turbine, kompresorje ali generatorje, kjer je potrebno celovito uravnote\u017eenje.<\/li>\n<li><strong>Na vmesnih lokacijah so vibracije mo\u010dne,<\/strong> med kon\u010dnimi le\u017eaji, kar ka\u017ee na neuravnote\u017eenost v sredini razpona, ki je ni mogo\u010de odpraviti s korekcijo na kon\u010dnih ravninah.<\/li>\n<\/ul>\n<h2>8. Alternativa: modalno uravnote\u017eenje<\/h2>\n<p>Za najbolj prilagodljive rotorje, <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/modal-balancing\/\">modalno uravnote\u017eenje<\/a> lahko presega u\u010dinkovitost obi\u010dajnega pristopa N+2. Namesto da bi zmanj\u0161evalo vibracije pri dolo\u010denih hitrostih, modalno uravnote\u017eenje obravnava posamezne vibracijske na\u010dine enega po enega, pri \u010demer izkori\u0161\u010da lastnosti rotorja <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/mode-shape\/\">oblike na\u010dinov<\/a> da bi dosegli rezultat z manj poskusnimi izvedbami. Kompromis pri tem je, da to zahteva \u0161e globlje razumevanje <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor-dynamics\/\">dinamika rotorja<\/a> in bolj poglobljeno analizo. V praksi se ta pristopa pogosto prepletata - modalni vpogled usmerja polo\u017eaj ravnin, re\u0161itev s koeficienti vpliva pa natan\u010dneje dolo\u010da mase.<\/p>\n<h2>9. Najbolj\u0161e prakse za uspeh<\/h2>\n<h3>Na\u010drtovanje<\/h3>\n<ul>\n<li>Pozorno izberite polo\u017eaje korekcijskih ravnin N \u2013 naj bodo med seboj dovolj oddaljeni, dostopni in v idealnem primeru poravnani z obliko modusa rotorja <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/nodal-point\/\">antivozli\u0161\u010da<\/a>, saj te\u017ea, name\u0161\u010dena na vozli\u0161\u010de, le malo vpliva na ta na\u010din.<\/li>\n<li>Izberite M \u2265 N merilnih to\u010dk, ki ustrezno zajemajo vibracijsko obna\u0161anje rotorja.<\/li>\n<li>Na\u010drtujte \u010das za toplotno stabilizacijo med posameznimi serijami.<\/li>\n<li>Vnaprej pripravite poskusne ute\u017ei in monta\u017eno opremo<\/li>\n<\/ul>\n<h3>Izvedba<\/h3>\n<ul>\n<li>Pogoji delovanja \u2013 hitrost, temperatura, obremenitev \u2013 morajo biti v vseh N+2 ciklih popolnoma enaki.<\/li>\n<li>Uporabite preskusne obremenitve, ki so dovolj velike, da povzro\u010dijo jasen in merljiv odziv, obi\u010dajno 25\u201350-odstotno spremembo vibracij.<\/li>\n<li>V vsakem ciklu opravite ve\u010d meritev in izra\u010dunajte njihovo povpre\u010dje, da zmanj\u0161ate \u0161um.<\/li>\n<li>Zapi\u0161ite maso, kot in polmer vsakega preskusnega ute\u017ei.<\/li>\n<li>Preverite kakovost merjenja faze, saj se fazne napake pri re\u0161evanju velikih matrik pove\u010dajo.<\/li>\n<\/ul>\n<h3>Analiza<\/h3>\n<ul>\n<li>Preglejte matriko vplivnih koeficientov za anomalije ali nepri\u010dakovane vzorce<\/li>\n<li>Preverite kondicijsko \u0161tevilo matrike \u2013 visoke vrednosti opozarjajo na numeri\u010dno nestabilnost.<\/li>\n<li>Preverite, ali so izra\u010dunane korekcije fizikalno smiselne, torej niso niti nesmiselno velike niti zanemarljivo majhne.<\/li>\n<li>Preden popravke potrdite, razmislite o simulaciji pri\u010dakovanega kon\u010dnega rezultata.<\/li>\n<\/ul>\n<h2>10. Prakti\u010dna uporaba v terenskih razmerah in Balanset-1A<\/h2>\n<p>Ve\u010dina uravnote\u017eevanja rotorjev s pro\u017enim delom na kriti\u010dnih strojih poteka na mestu samem pri obratovalni hitrosti, ko se rotor dejansko upogiba, in ne na uravnote\u017eevalnem stroju z nizko hitrostjo. Prenosni dvo-kanalni analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> zagotavlja osnovne elemente, ki jih potrebuje metoda N+2: sinhronizirano merjenje amplitude in faze 1\u00d7 na vsakem le\u017eaju, avtomatski izra\u010dun koeficientov vpliva na podlagi preskusnih obremenitev ter preverjanje <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/residual-unbalance\/\">preostala neuravnote\u017eenost<\/a> po namestitvi popravkov. Pri nalogah z dvema ravninama instrument neposredno izvede celotno re\u0161itev s koeficienti vpliva; pri ve\u010d ravninah pa njegove eno- in dvoravninske meritve slu\u017eijo kot strukturirani podatki po posameznih ravninah, ki jih zdru\u017ei ve\u010dravninski re\u0161evalec. Ker se merjenje izvaja v lastnih le\u017eajih stroja, zajeti odziv vklju\u010duje dejansko togost nosilcev in toplotno stanje, v katerem deluje rotor.<\/p>\n<h2>11. Povezovanje z drugimi tehnikami<\/h2>\n<p>Metodo N+2 je mogo\u010de kombinirati z dopolnilnimi pristopi:<\/p>\n<ul>\n<li><strong>Uravnote\u017eenje s stopnjevanjem hitrosti:<\/strong> ponovite N+2 meritev pri razli\u010dnih hitrostih, da optimizirate uravnote\u017eenost v celotnem obmo\u010dju delovanja, ne le pri eni hitrosti.<\/li>\n<li><strong>Hibridni modalno-konvencionalni:<\/strong> uporaba <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/modal-analysis\/\">modalna analiza<\/a> za dolo\u010ditev izbire korekcijske ravnine, nato pa uporabite metodo N+2 za dolo\u010ditev velikosti ute\u017ei.<\/li>\n<li><strong>Iterativno izpopolnjevanje:<\/strong> izvedite celotno bilanco N+2, nato pa za hitro izra\u010dunavanje ponovno uporabite zmanj\u0161an nabor koeficientov vpliva <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/trim-balance\/\">uravnote\u017eenje trima<\/a> ko se pogoji med delovanjem spreminjajo.<\/li>\n<\/ul>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/\">\u2190 Nazaj na glavno kazalo<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Spoznajte metodo N+2, napredno tehniko uravnote\u017eenja fleksibilnih rotorjev, ki zahteva N korekcijskih ravnin, ter dva dodatna poskusna zagona za natan\u010dne korekcije v ve\u010d ravninah.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-171","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/171\/revisions"}],"predecessor-version":[{"id":102187,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/171\/revisions\/102187"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=171"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}