{"id":173,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/nodal-point\/"},"modified":"2026-07-03T10:09:35","modified_gmt":"2026-07-03T10:09:35","slug":"nodal-point","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/nodal-point\/","title":{"rendered":"Kaj je vozli\u0161\u010de pri vibracijah rotorja?"},"content":{"rendered":"<h1>Razumevanje vozli\u0161\u010d pri vibracijah rotorja<\/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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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\/173?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=\"Dodaj v ko\u0161arico: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\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_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\/sl\/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\/sl\/product\/reflective-tape\/\" 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\/173?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\/173?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\/173?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\/173?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>A <strong>vozli\u0161\u010de<\/strong> \u2014 imenovan tudi vozli\u0161\u010de ali vozli\u0161\u010dna linija, kadar se gibanje opazuje v treh dimenzijah \u2014 je specifi\u010dno mesto vzdol\u017e vibrirajo\u010de <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor\/\">rotor<\/a> kjer <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/displacement\/\">premik<\/a> ostane ni\u010d, medtem ko rotor vibrira pri dolo\u010deni <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/natural-frequency\/\">naravna frekvenca<\/a>. Tudi ko se preostali del gredi upogiba in premika skozi svoje gibanje, vozli\u0161\u010dna to\u010dka ostane negibna glede na nevtralni polo\u017eaj gredi. Vozli\u0161\u010dne to\u010dke so temeljne lastnosti <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/mode-shape\/\">oblike na\u010dinov<\/a>, in poznavanje njihovega polo\u017eaja je odlo\u010dilno za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor-dynamics\/\">dinamika rotorja<\/a> analizo, za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/uravnotezenje\/\">uravnote\u017eenje<\/a> strategijo ter za odlo\u010danje, kam namestiti senzorje vibracij. Napa\u010dna ocena povzro\u010di, da uravnavanje ne uspe ali da sistem za nadzor postane slep za dejanske vibracije; z razumevanjem le-teh pa oboje postane preprosto.<\/p>\n<h2>1. Nodalne to\u010dke v razli\u010dnih na\u010dinih vibracij<\/h2>\n<p>Vsak na\u010din nihanja gredi ima svoj vzorec nodalnih to\u010dk in antinodalnih to\u010dk, ki postaja s \u0161tevilom na\u010dina vse bolj zapleten.<\/p>\n<h3>Prvi na\u010din upogibanja<\/h3>\n<p>Prvi (osnovni) na\u010din upogibanja ima obi\u010dajno:<\/p>\n<ul>\n<li><strong>ni\u010d notranjih vozli\u0161\u010d<\/strong> \u2014 na razponu gredi ni nobene to\u010dke z ni\u010delnim odklonom;<\/li>\n<li><strong>lokacije le\u017eajev kot pribli\u017ena vozli\u0161\u010da<\/strong> \u2014 pri preprosto podprtem vpetju le\u017eaji delujejo kot skoraj nodalne to\u010dke;<\/li>\n<li><strong>najve\u010dji ugibi<\/strong> blizu sredine razpona med le\u017eaji; in<\/li>\n<li><strong>preprosta oblikovalska krivulja<\/strong> \u2014 gred se upogiba v eni gladki krivulji.<\/li>\n<\/ul>\n<h3>Drugi na\u010din upogibanja<\/h3>\n<p>Drugi na\u010din ima bolj zapleten vzorec:<\/p>\n<ul>\n<li><strong>eno interno vozli\u0161\u010de<\/strong> \u2014 ena to\u010dka, navadno blizu sredine razpona, kjer je odklon enak ni\u010d;<\/li>\n<li><strong>S-oblikana krivulja<\/strong> \u2014 gred se na obeh straneh nodalne to\u010dke upogiba v nasprotnih smereh;<\/li>\n<li><strong>dve antivozli\u0161\u010di<\/strong> \u2014 najve\u010dji odklon na vsaki strani nodalne to\u010dke; in<\/li>\n<li><strong>vi\u0161ja frekvenca<\/strong> \u2014 njegova lastna frekvenca je precej vi\u0161ja od prve oblike nihanja.<\/li>\n<\/ul>\n<h3>Tretji na\u010din in vi\u0161je<\/h3>\n<ul>\n<li><strong>tretja oblika nihanja:<\/strong> dve notranji nodalni to\u010dki in tri antinodalne to\u010dke;<\/li>\n<li><strong>\u010detrta oblika nihanja:<\/strong> tri nodalne to\u010dke in \u0161tiri antinodalne to\u010dke;<\/li>\n<li><strong>splo\u0161no pravilo:<\/strong> oblika N ima (N \u2212 1) notranjih nodalnih to\u010dk; in<\/li>\n<li><strong>nara\u0161\u010dajo\u010da kompleksnost:<\/strong> vi\u0161je nihaje pokazujejo postopoma bolj zapletene valovne oblike.<\/li>\n<\/ul>\n<h2>2. Fizikalni pomen nodalnih to\u010dk<\/h2>\n<h3>Ni\u010d deformacije \u2014 vendar najve\u010dja napetost<\/h3>\n<p>V nodalni to\u010dki med nihanjem pri lastni frekvenci te oblike nihanja:<\/p>\n<ul>\n<li>stranski pomik je enak ni\u010d in gred prehaja skozi svojo nevtralno os;<\/li>\n<li>vendar je upogibna napetost tam praviloma najve\u010dja, ker je naklon krivulje upogiba tam najstrmej\u0161i; in<\/li>\n<li>stri\u017ene sile so prav tako najve\u010dje v vozli\u0161\u010du.<\/li>\n<\/ul>\n<p>To protiintuitivno razmerje \u2014 najmanj\u0161i pomik, najve\u010dja napetost \u2014 je razlog, zakaj je vozli\u0161\u010de lahko odli\u010dna oporna to\u010dka, a hkrati slabo mesto za ocenjevanje stanja rotorja zgolj na podlagi gibanja.<\/p>\n<h3>Ni\u010delna ob\u010dutljivost<\/h3>\n<p>Sila ali masa, name\u0161\u010dena v vozli\u0161\u010dni to\u010dki, ima minimalen vpliv na posamezno obliko nihanja:<\/p>\n<ul>\n<li>dodajanje <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/correction-weight\/\">korekcijske ute\u017ei<\/a> v vozli\u0161\u010du le malo prispeva k uravnote\u017eenju te oblike nihanja;<\/li>\n<li>senzorji, name\u0161\u010deni v vozli\u0161\u010du, zaznajo minimalno vibracijo za to obliko nihanja; in<\/li>\n<li>opora ali omejitev v vozli\u0161\u010du le neznatno spremeni lastno frekvenco te oblike nihanja.<\/li>\n<\/ul>\n<h2>3. Prakti\u010dne posledice za uravnote\u017eenje<\/h2>\n<h3>Izbor ravnine za korekcijo<\/h3>\n<p>Poznavanje polo\u017eaja vozli\u0161\u010d usmerja celoten pristop k uravnote\u017eenju, ki se bistveno razlikuje pri togih in pri pro\u017enih rotorjih.<\/p>\n<h4>Za toge rotorje<\/h4>\n<ul>\n<li>delujejo pod prvo kriti\u010dno hitrostjo;<\/li>\n<li>prva oblika nihanja ni znatno vzbujana;<\/li>\n<li>standardni <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/two-plane-balancing\/\">uravnote\u017eenje v dveh ravninah<\/a> blizu koncev rotorja je u\u010dinkovito; in<\/li>\n<li>vozli\u0161\u010dne to\u010dke niso primarna skrb.<\/li>\n<\/ul>\n<h4>Za fleksibilne rotorje<\/h4>\n<ul>\n<li>delujejo skozi ali nad kriti\u010dnimi hitrosti;<\/li>\n<li>upo\u0161tevati je treba oblike nihanja in vozli\u0161\u010dne to\u010dke;<\/li>\n<li><strong>u\u010dinkovit <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/correction-plane\/\">korekcijske ravnine<\/a><\/strong> le\u017eijo pri antivodli\u0161\u010dih ali v njihovi bli\u017eini \u2014 to\u010dkah z najve\u010djim odklonom;<\/li>\n<li><strong>neu\u010dinkovite lokacije<\/strong> so ravnine korekcije pri vozli\u0161\u010du ali v njegovi bli\u017eini, ki le malo vplivajo na to obliko nihanja; in<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/modal-balancing\/\">modalno uravnote\u017eenje<\/a><\/strong> Pri porazdelitvi korekcijskih ute\u017ei eksplicitno upo\u0161teva lokacije vozli\u0161\u010d<\/li>\n<\/ul>\n<h3>Primer: Uravnote\u017eenost v drugem nihaju<\/h3>\n<p>Oglejmo si dolgo pro\u017eno gred, ki deluje nad svojo prvo kriti\u010dno hitrostjo in vzbuja drugo obliko nihanja:<\/p>\n<ul>\n<li>druga oblika nihanja ima eno vozli\u0161\u010dno to\u010dko blizu sredine razpona;<\/li>\n<li>namestitev celotne korekcijske mase blizu sredine razpona \u2014 na vozli\u0161\u010de \u2014 bi bila neu\u010dinkovita;<\/li>\n<li>optimalna strategija je namestitev korekcij pri dveh antivodli\u0161\u010dih, eno na vsaki strani vozli\u0161\u010da; in<\/li>\n<li>vzorec porazdelitve ute\u017ei se mora ujemati z obliko drugega nihajnega na\u010dina, da uravnote\u017eenje deluje.<\/li>\n<\/ul>\n<h2>4. Premisleki pri postavitvi senzorjev<\/h2>\n<h3>Strategija merjenja vibracij<\/h3>\n<p>Vozli\u0161\u010dne to\u010dke imajo odlo\u010dilen vpliv na <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration-monitoring\/\">spremljanje vibracij<\/a>.<\/p>\n<h4>Izogibajte se nodalnim lokacijam<\/h4>\n<ul>\n<li>senzor v vozli\u0161\u010du zazna minimalno vibracijo za ta na\u010din;<\/li>\n<li>lahko spregleda resno vibracijo, \u010de je to edina merilna to\u010dka; in<\/li>\n<li>Lahko daje la\u017een vtis o sprejemljivih ravneh vibracij<\/li>\n<\/ul>\n<h4>Ciljne lokacije antinodov<\/h4>\n<ul>\n<li>protivozli\u0161\u010da ka\u017eejo najve\u010djo amplitudo vibracij;<\/li>\n<li>so najbolj ob\u010dutljiva za nastajajo\u010de te\u017eave;<\/li>\n<li>pri prvem na\u010dinu rotorja z enostavno podporo le\u017ei trebuh nihanja blizu sredine razpona (le\u017eaji so blizu vozlov); v praksi se pri nadzoru strojev meritve obi\u010dajno \u0161e vedno izvajajo na ohi\u0161jih le\u017eajev, ker so to dostopna, standardna mesta pritrditve; in<\/li>\n<li>za vi\u0161je na\u010dine so morda potrebne vmesne merilne to\u010dke.<\/li>\n<\/ul>\n<h4>Ve\u010d merilnih to\u010dk<\/h4>\n<ul>\n<li>Pri fleksibilnih rotorjih merite na ve\u010d aksialnih mestih<\/li>\n<li>s tem zagotovimo, da noben na\u010din ni spregledan, ker bi senzor slu\u010dajno stal v vozli\u0161\u010du;<\/li>\n<li>omogo\u010da eksperimentalno dolo\u010ditev oblik nihajnih na\u010dinov; in<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/critical-machinery\/\">kriti\u010dna oprema<\/a> pogosto ima senzorje na vsakem le\u017eaju ter v sredini razpona.<\/li>\n<\/ul>\n<h2>5. Dolo\u010danje lokacij vozelnih to\u010dk<\/h2>\n<h3>Analiti\u010dna napoved<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/modal-analysis\/\">Analiza s kon\u010dnimi elementi<\/a>:<\/strong> izra\u010duna oblike nihajnih na\u010dinov in natan\u010dno dolo\u010di vozli\u0161\u010da.<\/li>\n<li><strong>Teorija nosilca:<\/strong> za enostavne konfiguracije zaprtofomulne re\u0161itve napovedo lege vozli\u0161\u010d.<\/li>\n<li><strong>Orodja za na\u010drtovanje:<\/strong> programska oprema za rotorsko dinamiko prika\u017ee vsako obliko nihajnega na\u010dina vizualno z ozna\u010denimi vozli\u0161\u010di.<\/li>\n<\/ul>\n<h3>Eksperimentalna identifikacija<\/h3>\n<p><strong>1. Testiranje z udarcem (bump test)<\/strong> \u2014 udarite gred na ve\u010d mestih z instrumentiranim kladivom in izmerite odziv na \u0161tevilnih to\u010dkah; mesto, ki pri dolo\u010deni frekvenci ne ka\u017ee odziva, je vozli\u0161\u010dna to\u010dka tega na\u010dina. Tehnika je podrobno opisana v razdelku <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/bump-test\/\">udarno testiranje<\/a> in . <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/impact-testing\/\">udarno testiranje<\/a>.<\/p>\n<p><strong>2. Merjenje oblike deformacije med obratovanjem<\/strong> \u2014 med obratovanjem blizu kriti\u010dne hitrosti izmerite vibracije na \u0161tevilnih aksialnih to\u010dkah, nari\u0161ite amplitudo odklona glede na polo\u017eaj in od\u010ditajte prehode skozi ni\u010d kot lege vozli\u0161\u010d. To je jedro <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/ods-analysis\/\">analiza oblike deformacije med obratovanjem<\/a>.<\/p>\n<p><strong>3. Nizi bli\u017enjih sond<\/strong> \u2014 namestite ve\u010d brezkontaktnih <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/proximity-probe\/\">bli\u017einske sonde<\/a> vzdol\u017e gredi in neposredno izmerite odklon med zagonom ali <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/coastdown\/\">iztek<\/a>; to je najpopolnej\u0161a eksperimentalna metoda za iskanje vozli\u0161\u010d.<\/p>\n<h2>6. Vozelne to\u010dke v primerjavi s protivozli<\/h2>\n<p>Vozli\u0161\u010da in protivozli\u0161\u010da so dopolnjujo\u010di se polovici iste slike.<\/p>\n<table>\n<tr>\n<th>Nodalne to\u010dke<\/th>\n<th>Antinodi<\/th>\n<\/tr>\n<tr>\n<td>Ni\u010delni odklon<\/td>\n<td>Najve\u010dji odklon<\/td>\n<\/tr>\n<tr>\n<td>Najve\u010dji naklon upogibanja in napetost<\/td>\n<td>Ni\u010delni upogibni naklon<\/td>\n<\/tr>\n<tr>\n<td>Nizka u\u010dinkovitost pri uporabi ali merjenju sile<\/td>\n<td>Najve\u010dja u\u010dinkovitost korekcijskih ute\u017ei<\/td>\n<\/tr>\n<tr>\n<td>Idealno za mesta podpor (zmanj\u0161anje prenesene sile)<\/td>\n<td>Optimalne lokacije za postavitev senzorjev<\/td>\n<\/tr>\n<tr>\n<td>\u2014<\/td>\n<td>Najve\u010dja napetost pri kombinirani obremenitvi<\/td>\n<\/tr>\n<\/table>\n<h2>7. Prakti\u010dne aplikacije in \u0161tudije primerov<\/h2>\n<h3>Primer: Valec na papirnem stroju<\/h3>\n<ul>\n<li><strong>Situacija:<\/strong> dolg (6-metrski) valj, ki se vrti pri 1.200 RPM z visokimi vibracijami.<\/li>\n<li><strong>Analiza:<\/strong> deloval je nad prvo kriti\u010dno hitrostjo in vzbujal drugo obliko z vozli\u0161\u010dem na sredini razpona.<\/li>\n<li><strong>Za\u010detni poskus:<\/strong> ute\u017ei so bile dodane na sredino razpona &mdash; priro\u010dno dostopno mesto &mdash; z slabimi rezultati.<\/li>\n<li><strong>Re\u0161itev:<\/strong> ker je bila sredina razpona vozli\u0161\u010dna to\u010dka, so bile ute\u017ei prerazporejene na \u010detrtinske to\u010dke (protivozi\u0161\u010dne to\u010dke).<\/li>\n<li><strong>Rezultat:<\/strong> vibracija se je zmanj\u0161ala za 85 %, uspe\u0161no modalno balansiranje.<\/li>\n<\/ul>\n<h3>Primer: Nadzor parno-turbinskega agregata<\/h3>\n<ul>\n<li><strong>Situacija:<\/strong> nov nadzorni sistem je pokazal nizke vibracije kljub znani neuravnote\u017eenosti.<\/li>\n<li><strong>Preiskava:<\/strong> senzor je bil nehote name\u0161\u010den blizu vozli\u0161\u010dne to\u010dke prevladujo\u010de oblike.<\/li>\n<li><strong>Re\u0161itev:<\/strong> dodatni senzorji na protivozi\u0161\u010dnih mestih so razkrili dejanske ravni vibracij.<\/li>\n<li><strong>Lekcija:<\/strong> pri na\u010drtovanju nadzornega sistema vedno upo\u0161tevajte oblike nihajnih na\u010dinov.<\/li>\n<\/ul>\n<h2>8. Napredne obravnavane<\/h2>\n<h3>Premikanje vozli\u0161\u010d<\/h3>\n<p>V nekaterih sistemih se vozli\u0161\u010dne to\u010dke premikajo glede na obratovalne pogoje:<\/p>\n<ul>\n<li>togost le\u017eajev, odvisna od hitrosti, premika polo\u017eaje vozli\u0161\u010d;<\/li>\n<li>temperatura vpliva na togost gredi;<\/li>\n<li>odziv je lahko odvisen od obremenitve; in<\/li>\n<li>asimetri\u010dni sistemi imajo lahko razli\u010dna vozli\u0161\u010da za horizontalno in vertikalno gibanje.<\/li>\n<\/ul>\n<h3>Pribli\u017ena v primerjavi s pravimi vozli\u0161\u010di<\/h3>\n<ul>\n<li><strong>Prava vozli\u0161\u010da:<\/strong> to\u010dke natanko ni\u010delnega odmika v idealiziranem sistemu.<\/li>\n<li><strong>Pribli\u017eni vozli:<\/strong> mesta zelo majhnega &mdash; a ne natanko ni\u010delnega &mdash; odmika v realnem sistemu z <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/damping\/\">du\u0161enje<\/a> in drugimi neidealni u\u010dinki.<\/li>\n<li><strong>Prakti\u010dna posledica:<\/strong> pravo vozli\u0161\u010de je <em>obmo\u010dje<\/em> podro\u010dje majhnega odmika in ne natan\u010dna matemati\u010dna to\u010dka.<\/li>\n<\/ul>\n<h2>9. Prakti\u010dna uporaba na terenu<\/h2>\n<p>Za toga rotorja, ki sestavljajo ve\u010dino industrijskih strojev \u2014 \u010drpalke, ventilatorje, motorje in podobno \u2014 je delovno pravilo pomirljivo preprosto: ostanite pod prvo kriti\u010dno hitrostjo in mote\u010da upogibna vozli\u0161\u010da se nikoli ne pojavijo, zato zadostujeta dve ravnini korekcije blizu koncev rotorja. Prenosni dvokanalni analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> opravi natanko to enoravninsko ali dvoravninsko <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/izravnava-polja\/\">uravnote\u017eenje na terenu<\/a> v lastnih le\u017eajih stroja, pri \u010demer meri amplitudo in <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/phase\/\">faza<\/a> za izra\u010dun ute\u017ei. Ko mora rotor delovati skozi kriti\u010dno hitrost ali nad njo, isti podatki o amplitudi in fazi, zajeti na ve\u010d aksialnih to\u010dkah, analitiku omogo\u010dijo kartiranje oblike nihajne oblike in potrditev, katera ravnina je protivozli\u0161\u010de, preden je name\u0161\u010dena kakr\u0161na koli ute\u017e \u2014 razlika med 85-% izbolj\u0161anjem in zaman porabo truda. Razumevanje vozli\u0161\u010dnih to\u010dk je, skratka, tisto, kar pretvori podatke o vibracijah v pravilno odlo\u010ditev o uravnote\u017eenju.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/\">\u2190 Nazaj na glavno kazalo<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Spoznajte vozli\u0161\u010da, lokacije na vibrirajo\u010di gredi, kjer odklon ostane ni\u010delen, kar je klju\u010dnega pomena za razumevanje oblik modov, uravnote\u017eenja in namestitve senzorjev v vrtljivih strojih.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-173","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/173","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\/173\/revisions"}],"predecessor-version":[{"id":102180,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/173\/revisions\/102180"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}