{"id":219,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/rotor-instability\/"},"modified":"2026-05-23T22:53:31","modified_gmt":"2026-05-23T22:53:31","slug":"rotor-instability","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/rotor-instability\/","title":{"rendered":"Kaj je nestabilnost rotorja? Samovzburjene vibracije"},"content":{"rendered":"<h1>Razumevanje nestabilnosti 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\/219?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\/219?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\/219?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\/219?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\/219?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\/219?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\/219?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\/219?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\/219?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" 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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\/219?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\/219?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\/219?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\/219?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><strong>Nestabilnost rotorja<\/strong> je stanje v rotirajo\u010di mehanizmi, pri katerem <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/self-excited-vibration\/\">samovzburjene vibracije<\/a> nastane in neomejeno nara\u0161\u010da, omejena le z nelinearnimi u\u010dinki ali popolno okvaro. Za razliko od vibracij, ki jih povzro\u010da <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> ali <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/misalignment\/\">neporavnanost gredi<\/a> \u2014 ki so <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/forced-vibration\/\">prisilne vibracije<\/a> gonjena z zunanjimi silami \u2014 je nestabilnost samovzdr\u017eevalna nihanja, ki neprekinjeno jemlje energijo iz enakomerne rotacije gredi in jo prena\u0161a v nihajno gibanje. Je eden najnevarnej\u0161ih pojavov v <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor-dynamics\/\">dinamika rotorja<\/a>: pojavi se lahko nenadoma, v sekundah naraste do destruktivnih amplitud in \u2014 kar je klju\u010dno \u2014 ga ni mogo\u010de odpraviti z <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/uravnotezenje\/\">uravnote\u017eenje<\/a> ali poravnavo. Zahteva takoj\u0161nje izklopljenost stroja in odpravo temeljnega destabilizacijskega mehanizma.<\/p>\n<h2>1. Prisilne vibracijske nihanja v primerjavi s samovzbujajo\u010dimi nihanji<\/h2>\n<p>Najpomembnej\u0161i pojem za razumevanje nestabilnosti je razlika med vibracijami, ki so vzbujene, in vibracijami, ki se vzbujajo same.<\/p>\n<h3>Prisilno vibracijsko nihanje (stabilno)<\/h3>\n<p>Ve\u010dina vibracij strojev je prisilnih. Zunanja sila \u2014 neuravnote\u017eenost, neporavnanost, upognjena gred \u2014 poganja gibanje, sistem pa se nanj le odziva:<\/p>\n<ul>\n<li>Amplituda je sorazmerna z velikostjo vzbujevalne sile.<\/li>\n<li>Frekvenca se ujema z vzbujevalno frekvenco (1\u00d7, 2\u00d7 itd.).<\/li>\n<li>Odstranite silo in vibracije izginejo.<\/li>\n<li>Sistem je stabilen; vibracija nikoli ne naraste neomejeno.<\/li>\n<\/ul>\n<h3>Samovzbujaju\u010de vibracijsko nihanje (nestabilno)<\/h3>\n<p>Nestabilnost je bistveno druga\u010dna. Energija se \u010drpa iz samega vrtenja, ne pa iz zunanjega vzbujanja:<\/p>\n<ul>\n<li>Amplituda eksponentno nara\u0161\u010da, ko je prese\u017eena pragovna hitrost<\/li>\n<li>Frekvenca se ponavadi nahaja pri ali blizu <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/natural-frequency\/\">naravna frekvenca<\/a>, in je ponavadi <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/sub-synchronous\/\">subsinhrono<\/a>.<\/li>\n<li>Nestabilnost se nadaljuje in nara\u0161\u010da, tudi ko je neuravnote\u017eenost popolnoma odpravljena.<\/li>\n<li>Sistem je nestabilen; ustavi ga lahko le izklop ali fizi\u010dna sprememba.<\/li>\n<\/ul>\n<h2>2. Pogosti tipi nestabilnosti rotorjev<\/h2>\n<h3>Oljni vrtinec<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/oil-whirl\/\">Oljni vrtinec<\/a> je najpogostej\u0161a nestabilnost v le\u017eajih z oljnim filmom <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/journal-bearing\/\">drsni le\u017eaj<\/a> sistemih. Oljni klin, ki podpira gred, razvije tangencialno silo, ki potiska ro\u010dico po radialni re\u017ei le\u017eaja. Pojavi se pri pribli\u017eno 0,42\u20130,48\u00d7 delovne hitrosti (podsinhronsko), tipi\u010dno, ko hitrost prese\u017ee pribli\u017eno dvakratnik prvega <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/critical-speed\/\">kriti\u010dna hitrost<\/a>, in se ka\u017ee kot visokoa\u00admplitudna podsinhronska vibracija, ki se s hitrostjo slab\u0161a. Sprememba zasnove le\u017eajev, dodani <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/preload\/\">prednapetost<\/a>, ali odmaknjene konfiguracije so obi\u010dajni ukrepi.<\/p>\n<h3>Vrtinec olja (huda nestabilnost)<\/h3>\n<p>Oljno \u0161viganje je nevarna razvita oblika oljnega vrtenja. Ko se rotor pospe\u0161i, frekvenca vrtenja nara\u0161\u010da, dokler se ne zasko\u010di na prvo lastno frekvenco in tam ostane ne glede na nadaljnje pove\u010devanje hitrosti. Rezultat je zelo visoka amplituda pri konstantni frekvenci, ki je sposobna uni\u010diti le\u017eaje in gred v minutah. Prehod iz obvladljivega vrtenja v uni\u010dujo\u010de \u0161viganje je razlog, zakaj nestabilnosti ni nikoli mogo\u010de tolerirati.<\/p>\n<h3>Parno vrtenje in aerodinami\u010dne nestabilnosti<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/steam-whirl\/\">Parni vrtinec<\/a> se pojavi v parnih turbinah z labirintnimi tesnili, kjer aerodinami\u010dne pre\u010dne sklopne sile v vrzelih tesnil pri visokih tla\u010dnih razlikah vzbujajo podsinhronsko oscilacijo blizu lastne frekvence. Zavore vrtin\u010denja, naprave za prepre\u010devanje vrtin\u010denja in spremenjena geometrija tesnil so tipi\u010dni ukrepi.<\/p>\n<h3>Bi\u010danje gredi<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/shaft-whip\/\">Bi\u010danje gredi<\/a> je splo\u0161na oznaka za ve\u010d samo-vzbujevalnih mehanizmov, vklju\u010dno z notranjo (histerezno) du\u0161itvijo v materialu gredi, suhim trenjem povzro\u010denim na tesnilih ali drgnenem kontaktu ter aerodinami\u010dnimi ali hidrodinami\u010dnimi pre\u010dnimi sklopnimi silami. \u0160ir\u0161a dru\u017eina <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/whirl\/\">vrtin\u010denje in bi\u010danje<\/a> pojavov si deli isti vzdr\u017eevalni prenos energije.<\/p>\n<h2>3. Zna\u010dilnosti in simptomi<\/h2>\n<h3>Vibracijski odtis<\/h3>\n<p>Nestabilnost v podatkih pusti prepoznaven nabor prstnih odtisov:<\/p>\n<ul>\n<li><strong>Subsinhrana frekvenca:<\/strong> dominantna komponenta pod 1\u00d7 obratovalne hitrosti, obi\u010dajno okoli 0.4\u20130.5\u00d7.<\/li>\n<li><strong>Neodvisnost od hitrosti:<\/strong> ko se nestabilnost zasko\u010di, frekvenca ostane nespremenjena, \u010deprav se hitrost vrtenja spreminja.<\/li>\n<li><strong>Hitra rast:<\/strong> amplituda nara\u0161\u010da eksponentno v trenutku, ko je prekora\u010dena mejna hitrost.<\/li>\n<li><strong>Visoka amplituda:<\/strong> lahko dose\u017ee 2\u201310-kratno amplitudo vibracij navadnega neuravnote\u017eenja.<\/li>\n<li><strong>Precesija v smeri vrtenja:<\/strong> . <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/orbit\/\">orbita gredi<\/a> se vrti v isti smeri kot gred sama.<\/li>\n<\/ul>\n<h3>Vedenje ob za\u010detku<\/h3>\n<p>Nestabilnost uravnava mejna hitrost. Pod njo je sistem stabilen in prisotne so le prisilne vibracije; na meji zadostuje \u017ee majhna motnja, da spro\u017ei za\u010detek; nad njo pa nestabilnost hitro nara\u0161\u010da. V zgodnjem obdobju delovanja stroja se lahko pojavlja in izginja ob\u010dasno, preden preide v nepretrgano, nara\u0161\u010dajo\u010do nihanje.<\/p>\n<h2>4. Diagnosti\u010dna identifikacija<\/h2>\n<p>Klju\u010d do diagnoze je lo\u010devanje samozbujene nestabilnosti od navadnih prisilnih vibracij. Razlika je o\u010ditna:<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>Zna\u010dilnost<\/th>\n<th>Neuravnote\u017eenje (prisilno)<\/th>\n<th>Nestabilnost (samovzbujaju\u010de)<\/th>\n<\/tr>\n<tr>\n<td>Frekvenca<\/td>\n<td>1\u00d7 hitrost teka<\/td>\n<td>Subsinhrono (pogosto ~0,45\u00d7)<\/td>\n<\/tr>\n<tr>\n<td>Amplituda v primerjavi s hitrostjo<\/td>\n<td>Gladko nara\u0161\u010da s hitrostjo\u00b2<\/td>\n<td>Nagel za\u010detek nad pragom<\/td>\n<\/tr>\n<tr>\n<td>Odziv na uravnote\u017eenje<\/td>\n<td>Zmanj\u0161ane vibracije<\/td>\n<td>Brez izbolj\u0161anja sploh<\/td>\n<\/tr>\n<tr>\n<td>Frekvenca v primerjavi s hitrostjo<\/td>\n<td>Sledi hitrosti (konstanten red)<\/td>\n<td>Konstantna frekvenca (spremenljiv red)<\/td>\n<\/tr>\n<tr>\n<td>Vedenje pri zaustavitvi<\/td>\n<td>Zmanj\u0161uje se s hitrostjo<\/td>\n<td>Lahko traja kratek \u010das po padcu hitrosti<\/td>\n<\/tr>\n<\/table>\n<h3>Potrditev nestabilnosti<\/h3>\n<p>Vpra\u0161anje dokon\u010dno re\u0161ijo naslednje tehnike. <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/order-analysis\/\">Analiza redov<\/a> prikazuje komponento s konstantno frekvenco, medtem ko se njena harmonska stopnja spreminja; <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/waterfall-plot\/\">slapni diagram<\/a> razkrije frekven\u010dno \u010drto, ki ne sledi hitrosti; uravnote\u017eenje nima nobenega u\u010dinka na podsinhroni vrh; in <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/orbit\/\">analiza orbite<\/a> prikazuje napredujo\u010do precesijo pri lastni frekvenci. Prenosni dvokanalski analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> je dobro primeren za zajemanje teh dokazov na terenu \u2014 snemanje podsinhrone komponente, rasti njene amplitude s hitrostjo in linije 1\u00d7 vzporedno \u2014 tako da lahko in\u017eenir lo\u010di resni\u010dno nestabilnost od preprostega neuravnote\u017eenja, preden se odlo\u010di, ali je uravnote\u017eenje sploh vredno poskusiti. Potrditev, da je napaka samozbujene narave, prepre\u010di drago napako poskusa uravnote\u017eenja problema, ki ga uravnote\u017eenje ne more re\u0161iti.<\/p>\n<h2>5. Prepre\u010devanje in omilitev<\/h2>\n<h3>Upo\u0161tevanje vidikov oblikovanja<\/h3>\n<ul>\n<li><strong>Zadostno du\u0161enje:<\/strong> le\u017eajni sistemi morajo zagotoviti zadostno <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/damping\/\">du\u0161enje<\/a> za zajezitev nastanka nestabilnosti.<\/li>\n<li><strong>Izbira le\u017eaja:<\/strong> izberite vrste in konfiguracije z dobrim inherentnim du\u0161enjem, kot so le\u017eaji z nagibnimi drsnimi ploskvami ali predobremenjenimi le\u017eaji.<\/li>\n<li><strong>Optimizacija togosti:<\/strong> nastavite smiselno razmerje gredi in le\u017eaja <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/stiffness\/\">togost<\/a> razmerja.<\/li>\n<li><strong>Delovna hitrost \u2212 varnostni razmik:<\/strong> na\u010drtujte stroj tako, da deluje pod mejnimi hitrostmi nestabilnosti.<\/li>\n<\/ul>\n<h3>Konstruktivne re\u0161itve le\u017eajev<\/h3>\n<ul>\n<li><strong>Kljipni le\u017eaji:<\/strong> inherentno stabilen, standardna izbira za visokovrtilnostno uporabo.<\/li>\n<li><strong>Le\u017eaji s tesnjenjem pod tlakom:<\/strong> spremenjena geometrija, ki pove\u010da efektivno du\u0161enje.<\/li>\n<li><strong>Prednapetost le\u017eaja:<\/strong> pove\u010da togost in du\u0161enje ter dvigne mejno hitrost.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/squeeze-film-damper\/\">Du\u0161ilniki s stiskalnim filmom<\/a>:<\/strong> zunanji elementi za du\u0161enje, name\u0161\u010deni okoli le\u017eajev.<\/li>\n<\/ul>\n<h3>Operativne re\u0161itve<\/h3>\n<ul>\n<li><strong>Omejitev hitrosti:<\/strong> omejiti najve\u010djo hitrost pod mejno vrednostjo.<\/li>\n<li><strong>Pove\u010danje obremenitve:<\/strong> ve\u010dje obremenitve le\u017eajev lahko raz\u0161irijo mejo stabilnosti.<\/li>\n<li><strong>Temperaturna regulacija:<\/strong> temperatura olja dolo\u010da viskoznost, viskoznost pa du\u0161enje.<\/li>\n<li><strong>Neprekinjeno spremljanje:<\/strong> zgodnje odkrivanje da \u010das za zaustavitev, preden pride do po\u0161kodbe.<\/li>\n<\/ul>\n<h2>6. Odziv v sili in analiza stabilnosti<\/h2>\n<p>\u010ce se med obratovanjem pojavi nestabilnost, je zaporedje odzivov nedvoumno:<\/p>\n<ol>\n<li><strong>Ukrepajte takoj:<\/strong> zmanj\u0161ajte hitrost ali takoj zaustavite.<\/li>\n<li><strong>Ne posku\u0161ajte uravnote\u017eiti:<\/strong> ne more odpraviti nestabilnosti in samo izgublja dragoceni \u010das.<\/li>\n<li><strong>Dokumentirajte pogoje:<\/strong> zabele\u017eite hitrost ob za\u010detku, frekvenco in napredovanje amplitude.<\/li>\n<li><strong>Razi\u0161\u010dite temeljni vzrok:<\/strong> ugotovite, kateri mehanizem deluje &mdash; oljno vrtenje, oljno bi\u010danje, parno vrtenje ali trenjsko bi\u010danje.<\/li>\n<li><strong>Izvedite popravek:<\/strong> spremenite le\u017eaje, tesnila ali pogoje obratovanja ustrezno.<\/li>\n<li><strong>Preverite odpravo napake:<\/strong> previdno vrnite v obratovanje pod skrbnim nadzorom.<\/li>\n<\/ol>\n<p>In\u017eenirji napovedujejo in z uradno analizo stabilnosti izklju\u010dijo nestabilnost iz na\u010drtovanja. To vklju\u010duje izra\u010dun lastnih vrednosti <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/rotor-bearing-system\/\">rotorsko-le\u017eajni sistem<\/a>: realni del vsake lastne vrednosti ka\u017ee na stabilnost &mdash; negativna vrednost pomeni stabilnost, pozitivna nestabilnost &mdash; medtem ko izra\u010dun dolo\u010di mejne hitrosti, pri katerih se stabilnost spremeni. Delo se navadno opira na specializirano programsko opremo za dinamiko rotorjev in vpliva na konstruktorske odlo\u010ditve, ki zagotavljajo zadostne meje stabilnosti. \u010ceprav je nestabilnost rotorja bistveno redkej\u0161a od neuravnote\u017eenosti ali neporavnanosti, sodi med najresnej\u0161e stanja vibracij v rotacijskih strojih, poznavanje njenih mehanizmov in simptomov pa je bistvena ve\u0161\u010dina vsakogar, ki dela z visokohitrostno opremo.<\/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 nestabilnost rotorja, nevarno stanje samovzbujenih vibracij, pri katerem energija vrtenja vzdr\u017euje ali oja\u010da nihanja, kar lahko povzro\u010di katastrofalno okvaro.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-219","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/219","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":1,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/219\/revisions"}],"predecessor-version":[{"id":101404,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/219\/revisions\/101404"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=219"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}