{"id":20618,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/air-gap\/"},"modified":"2026-07-03T09:54:53","modified_gmt":"2026-07-03T09:54:53","slug":"air-gap","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/air-gap\/","title":{"rendered":"Kaj je zra\u010dna re\u017ea v elektromotorjih? Kriti\u010dna razdalja"},"content":{"rendered":"<h1>Razumevanje zra\u010dne re\u017ee v elektromotorjih<\/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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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\/20618?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>zra\u010dna vrzel<\/strong> je ozka radialna vrzel med zunanjo povr\u0161ino rotorja in notranjo luknjo statorja v elektromotorju ali generatorju. Obi\u010dajno le <strong>0,3-2,0 mm<\/strong> Ta tanek obro\u010dast prostor, \u0161irok od 0,012 do 0,080 palca, predstavlja magnetni most, prek katerega elektromagnetna energija prehaja med nepremi\u010dnimi navitji in vrte\u010dim se delom. Kljub skromni velikosti je zra\u010dna re\u017ea ena od najbolj odlo\u010dilnih dimenzij pri konstruiranju stroja: vpliva na izkoristek, faktor mo\u010di, zagonski navor ter \u2013 kar je za in\u017eenirja za zanesljivost posebej zanimivo \u2013 na ob\u010dutljivost stroja na <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/magnetic-pull\/\">neuravnote\u017een magnetni privlak<\/a> in posledi\u010dno <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration\/\">vibracije<\/a>.<\/p>\n<h2>1. Opredelitev: Kaj je zra\u010dna vrzel?<\/h2>\n<p>Zra\u010dna re\u017ea je zra\u010dnost, ki lo\u010duje \u017eelezo rotorja in statorja, tako da se rotor lahko prosto vrti, hkrati pa omogo\u010da prehod magnetnega toka iz enega v drugega. Funkcionalno je to element z najve\u010djo reluktanco v celotnem magnetnem vezju \u2014 zrak je pribli\u017eno tiso\u010dkrat manj prepusten od elektrotehni\u010dnega jekla \u2014 zato njena \u0161irina in enakomernost odlo\u010dilno vplivata na obna\u0161anje magnetnega polja. Pomembni sta dve lastnosti, ki delujeta neodvisno: <em>magnituda<\/em> velikosti vrzeli (kako \u0161iroka je) in njene <em>enakomernost<\/em> (ali je po celotnem obodu luknje enak).<\/p>\n<p>Oboje ima daljnose\u017ene posledice. Neenakomerna vrzel povzro\u010da neuravnote\u017eene radialne magnetne sile, ki povzro\u010dajo vibracije in pospe\u0161ujejo <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/bearing-wear\/\">obraba le\u017eaja<\/a>, medtem ko prevelika vrzel neopazno zmanj\u0161uje u\u010dinkovitost in pove\u010duje magnetizacijski tok, ki ga motor porabi za vzpostavitev magnetnega toka. Umetnost konstruiranja motorjev je v izbiri najmanj\u0161e vrzeli, ki jo mehanika varno dopu\u0161\u010da.<\/p>\n<h2>2. Tipi\u010dne mere zra\u010dne re\u017ee<\/h2>\n<p>Absolutna vrzel se pove\u010duje z velikostjo stroja, vendar kot <em>frakcija<\/em> z zmanj\u0161anjem premera luknje se zmanj\u0161a \u2013 pri ve\u010djih strojih so re\u017ee sorazmerno o\u017eje, saj so njihovi rotorji glede na premer trdnej\u0161i.<\/p>\n<h3>Po velikosti motorja<\/h3>\n<ul>\n<li><strong>Majhni motorji (&lt; 10 KM):<\/strong> 0,3\u20130,6 mm (0,012\u20130,024 palca).<\/li>\n<li><strong>Srednje mo\u010dni motorji (10\u2013200 KM):<\/strong> 0,5\u20131,2 mm (0,020\u20130,047 palca).<\/li>\n<li><strong>Veliki motorji (200\u20131000 KM):<\/strong> 1,0\u20132,0 mm (0,040\u20130,080 palca).<\/li>\n<li><strong>Zelo veliki motorji (&gt; 1000 KM):<\/strong> 1,5\u20133,0 mm (0,060\u20130,120 palca).<\/li>\n<li><strong>Splo\u0161ni trend:<\/strong> Ve\u010dji stroji imajo ve\u010dje absolutne re\u017ee, vendar je njihova re\u017ea v odstotkih premera manj\u0161a.<\/li>\n<\/ul>\n<h3>Po vrsti motorja<\/h3>\n<ul>\n<li><strong>Indukcijski motorji:<\/strong> ve\u010dje vrzeli, obi\u010dajno 0,5\u20132,0 mm.<\/li>\n<li><strong>Sinhroni motorji:<\/strong> v veliki meri podobni indukcijskim strojem.<\/li>\n<li><strong>Motorji na enosmerni tok:<\/strong> zelo majhne re\u017ee med ankerjem in magnetno jedro, 0,3\u20131,0 mm.<\/li>\n<li><strong>Visoko u\u010dinkovite zasnove:<\/strong> za bolj\u0161o zmogljivost izberite modele iz ni\u017ejega cenovnega razreda.<\/li>\n<\/ul>\n<h2>3. Zakaj je zra\u010dna vrzel pomembna<\/h2>\n<h3>Elektromagnetne lastnosti<\/h3>\n<ul>\n<li><strong>Reluktanca magnetnega vezja:<\/strong> zra\u010dna re\u017ea predstavlja glavno oviro v poti magnetnega toka; vse ostalo (jeklo) je v primerjavi s tem precej prepustno.<\/li>\n<li><strong>Magnetizacijski tok:<\/strong> za manj\u0161o vrzel je potreben manj\u0161i magnetizacijski tok za ustvarjanje enakega magnetnega pretoka, kar izbolj\u0161a faktor mo\u010di.<\/li>\n<li><strong>U\u010dinkovitost:<\/strong> Manj\u0161e vrzeli so na splo\u0161no u\u010dinkovitej\u0161e, saj zmanj\u0161ujejo izgube pri magnetizaciji.<\/li>\n<li><strong>Proizvodnja navora:<\/strong> manj\u0161a vrzel zagotavlja mo\u010dnej\u0161o magnetno sklopitev in s tem ve\u010dji navor, vklju\u010dno z zagonskim navorom.<\/li>\n<\/ul>\n<h3>Mehanske vidike<\/h3>\n<ul>\n<li><strong>Razdalja:<\/strong> zra\u010dnost mora prevzeti upogib gredi, tolerance le\u017eajev in toplotno raztezanje, ne da bi se rotor kadarkoli dotaknil statorja.<\/li>\n<li><strong>Varnostna rezerva:<\/strong> prepre\u010duje stik med rotorjem in statorjem med prehodnimi vibracijami ali v neobi\u010dajnih pogojih delovanja.<\/li>\n<li><strong>Mo\u017enost izdelave:<\/strong> izbrana odstopanja morajo biti dosegljiva ponovljivo v okviru obi\u010dajnih proizvodnih toleranc.<\/li>\n<\/ul>\n<p>Ti dve sili delujeta v nasprotnih smereh, zato je zra\u010dna re\u017ea v bistvu kompromis in ne vrednost, ki jo je treba slepo zmanj\u0161evati. Mehanska realnost <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/eccentricity\/\">ekscentri\u010dnost<\/a> v praksi to pomeni, da projektant, ki izbere preozko vrzel, preprosto \u017ertvuje u\u010dinkovitost za tveganje uni\u010dujo\u010dega drgnjenja.<\/p>\n<h2>4. Ekscentri\u010dnost zra\u010dne re\u017ee<\/h2>\n<p>Ekscentri\u010dnost zra\u010dne re\u017ee je neenakomernost re\u017ee po obodu \u2013 za analitika vibracij je to najpomembnej\u0161a napaka zra\u010dne re\u017ee.<\/p>\n<ul>\n<li><strong>Enotna vrzel:<\/strong> enako dimenzijo v vsakem kotnem polo\u017eaju.<\/li>\n<li><strong>Ekscentri\u010dna vrzel:<\/strong> se po premeru spreminja \u2013 na eni strani je manj\u0161i, na nasprotni strani pa ve\u010dji.<\/li>\n<li><strong>Kvantifikacija:<\/strong> ekscentri\u010dnost = (g<sub>max<\/sub> - g<sub>min<\/sub>) \/ g<sub>povpre\u010dje<\/sub>, izra\u017eeno v odstotkih.<\/li>\n<li><strong>Dovoljena meja:<\/strong> obi\u010dajno &lt; 10 % za nemoteno delovanje.<\/li>\n<\/ul>\n<p>In\u017eenirji nadalje razlikujejo <strong>stati\u010dna ekscentri\u010dnost<\/strong> (rotor ni name\u0161\u010den v sredi\u0161\u010du, vendar ostaja ozek del na enem fiksnem mestu \u2013 ponavadi gre za napako pri izvrtini ali sestavi) iz <strong>dinami\u010dna ekscentri\u010dnost<\/strong> (ozka to\u010dka se vrti skupaj z gredjo \u2013 ukrivljen ali ekscentri\u010dni rotor). Oba ustvarjata nekoliko razli\u010dne spektralne odtise, kar omogo\u010da, da ju diagnostika lo\u010di.<\/p>\n<h3>Vzroki za ekscentri\u010dnost<\/h3>\n<ul>\n<li><strong>Obraba le\u017eajev:<\/strong> omogo\u010da, da se rotor v ohi\u0161ju premakne iz sredi\u0161\u010da.<\/li>\n<li><strong>Proizvodne tolerance:<\/strong> izvrtina v statorju ali rotor ni popolnoma koncentri\u010dna.<\/li>\n<li><strong>Napake pri sestavljanju:<\/strong> nepravilno poravnani \u010delni pokrovi ali postrani name\u0161\u010den rotor.<\/li>\n<li><strong>Toplotno popa\u010denje:<\/strong> neenakomerno segrevanje, ki povzro\u010da deformacijo in izgubo okroglosti.<\/li>\n<li><strong>Deformacija okvirja:<\/strong> <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/soft-foot\/\">mehka noga<\/a> ali pa zaradi obremenitve pri monta\u017ei pride do upogibanja okvirja in izvrtine.<\/li>\n<\/ul>\n<h3>U\u010dinki ekscentri\u010dnosti<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/magnetic-pull\/\">Neuravnote\u017eena magnetna sila<\/a> (UMP):<\/strong> neto radialna sila, ki potiska rotor proti strani z manj\u0161o vrzeljo, kar v povratni zanki \u0161e poslab\u0161a ekscentri\u010dnost.<\/li>\n<li><strong>Vibracije pri frekvencah, povezanih z omre\u017ejem:<\/strong> stati\u010dna ekscentri\u010dnost obi\u010dajno pove\u010da vrh pri 2\u00d7 napajalne frekvence <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/electrical-frequency\/\">elektri\u010dna frekvenca<\/a> (100 Hz pri napajanju 50 Hz, 120 Hz pri 60 Hz), medtem ko se dinami\u010dna ekscentri\u010dnost ka\u017ee predvsem pri 1\u00d7 obratovalni hitrosti s stranskimi pasovi frekvence prehoda polov.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/pole-pass-frequency\/\">Frekvenca prehoda polov<\/a> stranskih pasov:<\/strong> zna\u010dilen diagnosti\u010dni signal, ki se nahaja na vrhu frekvence omre\u017eja.<\/li>\n<li><strong>Preobremenitev le\u017eaja:<\/strong> Asimetri\u010dni UMP obremenjuje eno stran le\u017eaja, kar pospe\u0161uje obrabo.<\/li>\n<li><strong>Izguba u\u010dinkovitosti:<\/strong> izkrivljen magnetni tokokrog nikoli ni optimalen.<\/li>\n<\/ul>\n<h2>5. Merjenje in ocenjevanje zra\u010dne re\u017ee<\/h2>\n<h3>Neposredno merjenje (razstavljen motor)<\/h3>\n<ul>\n<li><strong>Ob\u010dutljivi merilniki:<\/strong> na ve\u010d mestih vstavite merilne listi\u010de med rotor in stator.<\/li>\n<li><strong>Postopek:<\/strong> izmerite na 8\u201312 mestih, enakomerno razporejenih po obodu.<\/li>\n<li><strong>Izra\u010dunaj:<\/strong> povpre\u010dje, najmanj\u0161o in najve\u010djo vrednost ter iz tega izra\u010dunani odstotek ekscentri\u010dnosti.<\/li>\n<li><strong>Kdaj:<\/strong> med remontom motorja ali zamenjavo le\u017eajev, ko je rotor odstranjen.<\/li>\n<\/ul>\n<h3>Posredno merjenje (med delovanjem motorja)<\/h3>\n<p>Redko se zgodi, da razstavlja\u0161 delujo\u010d stroj, zato stanje re\u017ee obi\u010dajno sklepamo na podlagi njenih elektri\u010dnih in mehanskih zna\u010dilnosti z uporabo <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration-analysis\/\">analiza vibracij<\/a>:<\/p>\n<ul>\n<li><strong>Vibracije pri dvakratni frekvenci omre\u017eja:<\/strong> povi\u0161ana amplituda ka\u017ee na neenakomerno re\u017eo \u2014 potrdite s preverjanjem toka ter stanja z obremenitvijo\/brez obremenitve, saj lahko isti vrh povzro\u010dita tudi neuravnote\u017eenost napajanja in resonanca okvirja.<\/li>\n<li><strong>Stranski pasovi s prehodom skozi pol:<\/strong> njuna prisotnost in amplituda odra\u017eata stopnjo ekscentri\u010dnosti.<\/li>\n<li><strong>Analiza zna\u010dilnosti toka motorja (MCSA):<\/strong> U\u010dinki zra\u010dne re\u017ee vplivajo na tok v statorju in se ka\u017eejo v njegovem spektru.<\/li>\n<li><strong>Akusti\u010dni hrup:<\/strong> intenzivnost elektromagnetnega \u0161umenja se pogosto pove\u010duje s pove\u010danjem ekscentri\u010dnosti.<\/li>\n<\/ul>\n<p>Na terenu se uporablja dvokanalni instrument, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> to oceno naredi prakti\u010dno: s <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/accelerometer\/\">merilniki pospe\u0161ka<\/a> na ohi\u0161jih le\u017eajev motorja zajame <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/spectrum\/\">vibracijski spekter<\/a> pri delovni hitrosti, kar analitiku omogo\u010da, da opazi dvakratni frekven\u010dni vrh in njegove stranske pasove brez ustavitve proizvodnje. Ker se simptomi zra\u010dne re\u017ee prekrivajo z enostavnimi mehanskimi <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a>, analitik potrdi elektri\u010dni izvor tako, da opazuje, ali sumljivi vrh izgine v trenutku, ko se motor izklju\u010di iz napajanja \u2014 trik pri iztekanju, ki ga mehanske napake ne morejo posnemati. Hitrost vrtenja in frekvenco omre\u017eja lahko pretvorite v natan\u010dne vrhove, ki jih je treba iskati, s pomo\u010djo na\u0161ega <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/motor-electrical-frequencies\/\">Kalkulator frekvence elektri\u010dnih napak motorja<\/a>in primerjajte izmerjeno skupno raven z mejnimi vrednostmi s pomo\u010djo <a href=\"https:\/\/vibromera.eu\/sl\/calculators\/vibration-velocity\/\">orodje za hitrost vibracij po ISO 20816<\/a>.<\/p>\n<h2>6. Te\u017eave z zra\u010dno re\u017eo in njihove re\u0161itve<\/h2>\n<h3>Premajhno (pod minimalnimi zahtevami)<\/h3>\n<p><strong>Posledice:<\/strong> nevarnost stika med rotorjem in statorjem zaradi vibracij ali upogiba; zelo mo\u010dna magnetna sila, \u010de je tudi medprostor ekscentri\u010den; po\u0161kodbe med zagonom ali prehodnimi stanji.<\/p>\n<ul>\n<li>Proizvodna napaka \u2192 ponovno obdelajte rotor ali ponovno izvrtajte stator.<\/li>\n<li>Name\u0161\u010den napa\u010den rotor \u2192 Zamenjajte s pravilnim rotorjem<\/li>\n<li>Obraba le\u017eajev, zaradi katere se rotor premakne \u2192 zamenjajte le\u017eaje in preverite, ali je zra\u010dna re\u017ea ponovno vzpostavljena.<\/li>\n<\/ul>\n<h3>Preveliko (presega najve\u010djo dovoljeno vrednost)<\/h3>\n<p><strong>Posledice:<\/strong> zmanj\u0161ana u\u010dinkovitost zaradi vi\u0161jega magnetizacijskega toka, ni\u017ejega faktorja mo\u010di, zmanj\u0161anega zagonskega navora in vi\u0161jega toka v prostem teku. To stanje je obi\u010dajno manj kriti\u010dno \u2013 stroj lahko deluje, vendar z zmanj\u0161ano zmogljivostjo.<\/p>\n<h3>Neenakomeren (ekscentri\u010den) \u2014 pogost in problemati\u010den primer<\/h3>\n<p>Ekscentri\u010dnost je najpogostej\u0161a in najbolj \u0161kodljiva napaka zra\u010dne re\u017ee, ker se sama krepi: UMP vle\u010de rotor \u0161e bolj iz sredi\u0161\u010da, kar pove\u010da UMP. Obi\u010dajno ustvarja vibracijo pri 2\u00d7 linijski frekvenci (stati\u010dna ekscentri\u010dnost) ali vibracijo 1\u00d7 s stranskimi pasovi prehoda polov (dinami\u010dna ekscentri\u010dnost) in pospe\u0161uje obrabo le\u017eajev skozi to pozitivno povratno zanko. Re\u0161itev je zamenjati obrabljene le\u017eaje, popraviti vsako deformacijo okvirja in preveriti koncentri\u010dnost rotorja.<\/p>\n<h3>Diagnosti\u010dni pregled<\/h3>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Simptom<\/th>\n<th>Verjetno gre za te\u017eavo z zra\u010dno re\u017eo<\/th>\n<\/tr>\n<tr>\n<td>Visoka vibracija s frekvenco 2\u00d7 frekvenco omre\u017eja<\/td>\n<td>Ekscentri\u010dna vrzel, neuravnote\u017eena magnetna sila<\/td>\n<\/tr>\n<tr>\n<td>Stranski pasovi frekvence prehoda polov<\/td>\n<td>Neenakomerna vrzel<\/td>\n<\/tr>\n<tr>\n<td>Visok tok brez obremenitve<\/td>\n<td>Prekomerna vrzel<\/td>\n<\/tr>\n<tr>\n<td>Nizek zagonski navor<\/td>\n<td>Prekomerna vrzel<\/td>\n<\/tr>\n<tr>\n<td>Sledi drgnjenja<\/td>\n<td>Nezadostna re\u017ea<\/td>\n<\/tr>\n<tr>\n<td>Asimetri\u010dna obraba le\u017eajev<\/td>\n<td>Ekscentri\u010dna vrzel, ki ustvarja UMP<\/td>\n<\/tr>\n<\/table>\n<h2>7. Trendi, oblikovanje in proizvodnja<\/h2>\n<p>Ker se ekscentri\u010dnost razvija po\u010dasi, je komponenta s frekvenco 2\u00d7 idealni parameter za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/trending\/\">trend<\/a> v \u017eivljenjski dobi motorja. Stalno nara\u0161\u010dajo\u010di vrh pri 2\u00d7 signalizira razvijajo\u010do se ekscentri\u010dnost \u2014 skoraj vedno zaradi obrabe le\u017eajev \u2014 in neposredno vpliva na odlo\u010ditve o zamenjavi le\u017eajev. Dobra praksa je, da se pri vsakem remontu dokumentirajo meritve zra\u010dne re\u017ee z listi\u010dnimi merili ter primerjajo tako s specifikacijo na tipski plo\u0161\u010dici kot s prej\u0161njo meritvijo.<\/p>\n<p>Kar zadeva oblikovanje, je ta vrzel posledica namernega kompromisa:<\/p>\n<ul>\n<li><strong>Manj\u0161a vrzel:<\/strong> bolj\u0161a u\u010dinkovitost, faktor mo\u010di in navor, vendar ve\u010dja magnetna sila pri ekscentri\u010dnosti in manj\u0161a mehanska zra\u010dnost.<\/li>\n<li><strong>Ve\u010dja vrzel:<\/strong> ve\u010dji mehanski razmik in manj\u0161a magnetna sila, vendar slab\u0161a u\u010dinkovitost in vi\u0161ji magnetizacijski tok.<\/li>\n<li><strong>Optimizacija:<\/strong> najmanj\u0161a vrzel, ki ustreza mehanskim zahtevam in dosegljivim proizvodnim tolerancam.<\/li>\n<\/ul>\n<p>Na risbah so navedene nazivne re\u017ee z odstopanji v vi\u0161ini pribli\u017eno \u00b110\u201320 %, mejna vrednost ekscentri\u010dnosti (pogosto &lt; 10 %) ter preverjanje kakovosti med proizvodnjo. Ohranjanje te enakomerne re\u017ee z rednim vzdr\u017eevanjem le\u017eajev \u2013 in njeno preverjanje s spremljanjem trendov vibracij \u2013 je tisto, kar zagotavlja u\u010dinkovitost in tiho delovanje motorja ter ga varuje pred katastrofalnim stikom med rotorjem in statorjem, ki lahko v nekaj sekundah povzro\u010di konec \u017eivljenjske dobe stroja.<\/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 zra\u010dno re\u017eo, radialni razmik med rotorjem motorja in statorjem, ki je klju\u010dnega pomena za elektromagnetno delovanje, u\u010dinkovitost in prepre\u010devanje magnetnega vle\u010denja ter stika med rotorjem in statorjem.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20618","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/20618","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\/20618\/revisions"}],"predecessor-version":[{"id":102159,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/20618\/revisions\/102159"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=20618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=20618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=20618"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}