{"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\/mr\/glossary\/rotor-instability\/","title":{"rendered":"What is Rotor Instability? Self-Excited Vibration"},"content":{"rendered":"<h1>\u0930\u094b\u091f\u0930 \u0905\u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0938\u092e\u091c\u0942\u0928 \u0918\u0947\u0923\u0947<\/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\/mr\/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\/mr\/product\/balanset-1\/\" title=\"\u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 \u092c\u0945\u0932\u0928\u094d\u0938\u0930 \u0906\u0923\u093f \u0915\u0902\u092a\u0928 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0915 Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A \u0938\u0902\u092a\u0942\u0930\u094d\u0923 \u0915\u093f\u091f \u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 \u0938\u0902\u0924\u0941\u0932\u0915 \u0906\u0923\u093f \u0915\u0902\u092a\u0928 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0915\" 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\/mr\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/mr\/product\/balanset-1\/\" title=\"\u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 \u092c\u0945\u0932\u0928\u094d\u0938\u0930 \u0906\u0923\u093f \u0915\u0902\u092a\u0928 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0915 Balanset-1A\">\u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 \u092c\u0945\u0932\u0947\u0928\u094d\u0938\u0930 &#038; \u0935\u094d\u0939\u093e\u092f\u092c\u094d\u0930\u0947\u0936\u0928 \u0905\u200d\u0945\u0928\u093e\u0932\u093e\u092f\u091d\u0930 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\">&euro;<\/span>1,975.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/vibration-sensor\/\" title=\"\u0915\u0902\u092a\u0928 \u0938\u0902\u0935\u0947\u0926\u0915\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A \u0915\u0902\u092a\u0928 \u0938\u0902\u0935\u0947\u0926\u0928\u0936\u0940\u0932 \u091c\u0935\u0933\u0942\u0928\" 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\/mr\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/mr\/product\/vibration-sensor\/\" title=\"\u0915\u0902\u092a\u0928 \u0938\u0902\u0935\u0947\u0926\u0915\">\u0915\u0902\u092a\u0928 \u0938\u0902\u0935\u0947\u0926\u0915<\/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\">&euro;<\/span>90.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"\u0911\u092a\u094d\u091f\u093f\u0915\u0932 \u0938\u0947\u0928\u094d\u0938\u0930 (\u0932\u0947\u091d\u0930 \u091f\u0945\u0915\u094b\u092e\u0940\u091f\u0930)\">\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=\"\u0911\u092a\u094d\u091f\u093f\u0915\u0932 \u0938\u0947\u0928\u094d\u0938\u0930 (\u0932\u0947\u091d\u0930 \u091f\u0945\u0915\u094b\u092e\u0940\u091f\u0930)\" 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\/mr\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/mr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"\u0911\u092a\u094d\u091f\u093f\u0915\u0932 \u0938\u0947\u0928\u094d\u0938\u0930 (\u0932\u0947\u091d\u0930 \u091f\u0945\u0915\u094b\u092e\u0940\u091f\u0930)\">\u0911\u092a\u094d\u091f\u093f\u0915\u0932 \u0938\u0947\u0928\u094d\u0938\u0930 (\u0932\u0947\u091d\u0930 \u091f\u0945\u0915\u094b\u092e\u0940\u091f\u0930)<\/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\">&euro;<\/span>124.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera \u0930\u094b\u091f\u0930 \u0938\u0902\u0924\u0941\u0932\u0928 \u0915\u093f\u091f: \u0935\u0939\u0928 \u0915\u0947\u0938, \u092c\u0939\u0941-\u091a\u0945\u0928\u0932 \u0938\u093f\u0917\u094d\u0928\u0932 \u0915\u0902\u0921\u093f\u0936\u0928\u0930, \u0939\u093e\u0925 \u092a\u0915\u0921\u0928\u0947 \u0935\u093e\u0932\u0940 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0915, \u091a\u0941\u0902\u092c\u0915\u0940\u092f \u0906\u0927\u093e\u0930, \u0915\u0902\u092a\u0928 \u0938\u0902\u0935\u0947\u0926\u0915, \u0906\u0923\u093f \u0915\u0949\u0907\u0932 \u0915\u0947\u092c\u0932.\" 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\/mr\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/mr\/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\">&euro;<\/span>6,803.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/magnet-stand\/\" title=\"\u092e\u0945\u0917\u094d\u0928\u0947\u091f\u093f\u0915 \u0938\u094d\u091f\u0901\u0921 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=\"Magnet base.\" 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\/mr\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/mr\/product\/magnet-stand\/\" title=\"\u092e\u0945\u0917\u094d\u0928\u0947\u091f\u093f\u0915 \u0938\u094d\u091f\u0901\u0921 Insize-60-kgf\">\u092e\u0945\u0917\u094d\u0928\u0947\u091f\u093f\u0915 \u0938\u094d\u091f\u0901\u0921 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\">&euro;<\/span>46.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/wp-json\/wp\/v2\/glossary\/219?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/wp-json\/wp\/v2\/glossary\/219?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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/reflective-tape\/\" title=\"\u092a\u0930\u093e\u0935\u0930\u094d\u0924\u0915 \u091f\u0947\u092a\">\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=\"\u092a\u0930\u093e\u0935\u0930\u094d\u0924\u0915 \u091f\u0947\u092a\" 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\/mr\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/mr\/product\/reflective-tape\/\" title=\"\u092a\u0930\u093e\u0935\u0930\u094d\u0924\u0915 \u091f\u0947\u092a\">\u092a\u0930\u093e\u0935\u0930\u094d\u0924\u0915 \u091f\u0947\u092a<\/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\">&euro;<\/span>10.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/mr\/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\/mr\/product\/dynamic-balancer-balanset-1a\/\" title=\"\u0921\u093e\u092f\u0928\u093e\u092e\u093f\u0915 \u092c\u0945\u0932\u0928\u094d\u0938\u0930 \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A \u0915\u093f\u091f \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0907\u0902\u091f\u0930\u092b\u0947\u0938 \u092f\u0941\u0928\u093f\u091f, \u0938\u0902\u0935\u0947\u0926\u0915, \u091f\u0945\u0915\u094b\u092e\u0940\u091f\u0930 \u0906\u0923\u093f \u0905\u0928\u0941\u0937\u0902\u0917\u0940 \u0938\u0939\" 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\/mr\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/mr\/product\/dynamic-balancer-balanset-1a\/\" title=\"\u0921\u093e\u092f\u0928\u093e\u092e\u093f\u0915 \u092c\u0945\u0932\u0928\u094d\u0938\u0930 \u201cBalanset-1A\u201d OEM\">\u0921\u093e\u092f\u0928\u093e\u092e\u093f\u0915 \u092c\u0945\u0932\u0928\u094d\u0938\u0930 \u201cBalanset-1A\u201d 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\">&euro;<\/span>1,735.00<\/span> + VAT (\u0932\u093e\u0917\u0942 \u0905\u0938\u0932\u094d\u092f\u093e\u0938)<\/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=\"\/mr\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/mr\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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>\u0930\u094b\u091f\u0930 \u0905\u0938\u094d\u0925\u093f\u0930\u0924\u093e<\/strong> \u0939\u0940 rotating machinery \u092e\u0927\u0940\u0932 \u0905\u0936\u0940 \u0905\u0935\u0938\u094d\u0925\u093e \u0906\u0939\u0947 \u091c\u094d\u092f\u093e\u0924 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/self-excited-vibration\/\">\u0938\u094d\u0935-\u0909\u0924\u094d\u0924\u0947\u091c\u093f\u0924 \u0915\u0902\u092a\u0928<\/a> \u0935\u093f\u0915\u0938\u093f\u0924 \u0939\u094b\u0924\u0947 \u0906\u0923\u093f \u092e\u0930\u094d\u092f\u093e\u0926\u0947\u0936\u093f\u0935\u093e\u092f \u0935\u093e\u0922\u0924 \u091c\u093e\u0924\u0947; \u0924\u093f\u091a\u0940 \u092e\u0930\u094d\u092f\u093e\u0926\u093e \u092b\u0915\u094d\u0924 non-linear effects \u0915\u093f\u0902\u0935\u093e \u0925\u0947\u091f \u0905\u092a\u092f\u0936\u093e\u092e\u0941\u0933\u0947\u091a \u092f\u0947\u0924\u0947. \u092f\u093e\u092a\u0947\u0915\u094d\u0937\u093e \u0935\u0947\u0917\u0933\u0947, <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/unbalance\/\">unbalance<\/a> or <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/misalignment\/\">misalignment<\/a> \u2014 \u091c\u0940 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/forced-vibration\/\">\u092e\u091c\u092c\u0942\u0930 \u0915\u0902\u092a\u0928<\/a> \u092c\u093e\u0939\u094d\u092f \u092c\u0932\u093e\u0902\u0928\u0940 \u091a\u093e\u0932\u0935\u0932\u0940 \u091c\u093e\u0924\u0947 \u2014 instability \u0939\u0940 \u0938\u094d\u0935-\u091f\u093f\u0915\u0923\u093e\u0930\u0940 oscillation \u0906\u0939\u0947 \u091c\u0940 shaft \u091a\u094d\u092f\u093e \u0938\u094d\u0925\u093f\u0930 rotation \u092e\u0927\u0942\u0928 \u0938\u0924\u0924 \u090a\u0930\u094d\u091c\u093e \u0918\u0947\u0924\u0947 \u0906\u0923\u093f \u0924\u0940 vibratory motion \u092e\u0927\u094d\u092f\u0947 \u0922\u0915\u0932\u0924\u0947. \u0924\u0940 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/rotor-dynamics\/\">rotor dynamics<\/a>\u092e\u0927\u0940\u0932 \u0938\u0930\u094d\u0935\u093e\u0924 \u0927\u094b\u0915\u093e\u0926\u093e\u092f\u0915 \u0918\u091f\u0928\u093e\u0902\u092a\u0948\u0915\u0940 \u090f\u0915 \u0906\u0939\u0947: \u0924\u0940 \u0905\u091a\u093e\u0928\u0915 \u0926\u093f\u0938\u0942 \u0936\u0915\u0924\u0947, \u0915\u093e\u0939\u0940 \u0938\u0947\u0915\u0902\u0926\u093e\u0902\u0924 \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 amplitude \u092a\u0930\u094d\u092f\u0902\u0924 \u0935\u093e\u0922\u0942 \u0936\u0915\u0924\u0947, \u0906\u0923\u093f \u2014 \u0935\u093f\u0936\u0947\u0937 \u092e\u094d\u0939\u0923\u091c\u0947 \u2014 \u0924\u0940 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/balancing\/\">balancing<\/a> \u0915\u093f\u0902\u0935\u093e alignment \u0928\u0947 \u092c\u0930\u0940 \u0915\u0930\u0924\u093e \u092f\u0947\u0924 \u0928\u093e\u0939\u0940. \u092f\u093e\u0938\u093e\u0920\u0940 \u0924\u093e\u0924\u094d\u0915\u093e\u0933 shutdown \u0906\u0923\u093f \u092e\u0942\u0933 destabilising mechanism \u091a\u0940 \u0926\u0941\u0930\u0941\u0938\u094d\u0924\u0940 \u0906\u0935\u0936\u094d\u092f\u0915 \u0906\u0939\u0947.<\/p>\n<h2>1. Forced \u0935\u093f\u0930\u0941\u0926\u094d\u0927 self-excited vibration<\/h2>\n<p>instability \u0938\u092e\u091c\u0942\u0928 \u0918\u0947\u0923\u094d\u092f\u093e\u0938\u093e\u0920\u0940 \u0938\u0930\u094d\u0935\u093e\u0924 \u092e\u0939\u0924\u094d\u0924\u094d\u0935\u093e\u091a\u0940 \u0938\u0902\u0915\u0932\u094d\u092a\u0928\u093e \u092e\u094d\u0939\u0923\u091c\u0947 \u091a\u093e\u0932\u0935\u0932\u0940 \u091c\u093e\u0923\u093e\u0930\u0940 vibration \u0906\u0923\u093f \u0938\u094d\u0935\u0924\u0903\u0932\u093e \u091a\u093e\u0932\u0928\u093e \u0926\u0947\u0923\u093e\u0930\u0940 vibration \u092f\u093e\u0902\u0924\u0940\u0932 \u092b\u0930\u0915.<\/p>\n<h3>Forced vibration (\u0938\u094d\u0925\u093f\u0930)<\/h3>\n<p>\u092c\u0939\u0941\u0924\u0947\u0915 \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 vibration \u0939\u0940 forced \u0905\u0938\u0924\u0947. \u092c\u093e\u0939\u094d\u092f \u092c\u0932 \u2014 unbalance, misalignment, \u0935\u093e\u0915\u0932\u0947\u0932\u093e shaft \u2014 \u0939\u0947 \u0917\u0924\u0940 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0930\u0924\u0947, \u0906\u0923\u093f \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u092b\u0915\u094d\u0924 \u092a\u094d\u0930\u0924\u093f\u0938\u093e\u0926 \u0926\u0947\u0924\u0947:<\/p>\n<ul>\n<li>amplitude \u0939\u0940 forcing \u091a\u094d\u092f\u093e \u092a\u0930\u093f\u092e\u093e\u0923\u093e\u091a\u094d\u092f\u093e \u092a\u094d\u0930\u092e\u093e\u0923\u093e\u0924 \u0905\u0938\u0924\u0947.<\/li>\n<li>frequency \u0939\u0940 forcing frequency \u0936\u0940 \u091c\u0941\u0933\u0924\u0947 (1\u00d7, 2\u00d7, \u0907\u0924\u094d\u092f\u093e\u0926\u0940).<\/li>\n<li>\u092c\u0932 \u0915\u093e\u0922\u0942\u0928 \u091f\u093e\u0915\u093e \u0906\u0923\u093f vibration \u0928\u093e\u0939\u0940\u0936\u0940 \u0939\u094b\u0924\u0947.<\/li>\n<li>\u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0938\u094d\u0925\u093f\u0930 \u0905\u0938\u0924\u0947; vibration \u0915\u0927\u0940\u0939\u0940 \u092e\u0930\u094d\u092f\u093e\u0926\u0947\u0936\u093f\u0935\u093e\u092f \u0935\u093e\u0922\u0924 \u0928\u093e\u0939\u0940.<\/li>\n<\/ul>\n<h3>Self-excited vibration (\u0905\u0938\u094d\u0925\u093f\u0930)<\/h3>\n<p>instability \u092e\u0942\u0932\u0924\u0903 \u0935\u0947\u0917\u0933\u0940 \u0905\u0938\u0924\u0947. \u090a\u0930\u094d\u091c\u093e \u092c\u093e\u0939\u094d\u092f \u092c\u0932\u093e\u0915\u0921\u0942\u0928 \u092e\u093f\u0933\u0923\u094d\u092f\u093e\u0910\u0935\u091c\u0940 rotation \u092e\u0927\u0942\u0928\u091a \u0915\u093e\u0922\u0932\u0940 \u091c\u093e\u0924\u0947:<\/p>\n<ul>\n<li>threshold speed \u0913\u0932\u093e\u0902\u0921\u0932\u094d\u092f\u093e\u0935\u0930 amplitude \u0918\u093e\u0924\u093e\u0902\u0915\u0940 \u0926\u0930\u093e\u0928\u0947 \u0935\u093e\u0922\u0924\u0947.<\/li>\n<li>frequency \u0938\u093e\u0927\u093e\u0930\u0923\u092a\u0923\u0947 \u090f\u0916\u093e\u0926\u094d\u092f\u093e <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/natural-frequency\/\">\u0928\u0948\u0938\u0930\u094d\u0917\u093f\u0915 \u0935\u093e\u0930\u0902\u0935\u093e\u0930\u0924\u093e<\/a>, \u091c\u0935\u0933 \u0915\u093f\u0902\u0935\u093e \u0924\u094d\u092f\u093e\u0935\u0930 \u092c\u0938\u0924\u0947, \u0906\u0923\u093f \u0924\u0940 \u0938\u093e\u0927\u093e\u0930\u0923\u092a\u0923\u0947 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/sub-synchronous\/\">\u0909\u092a-\u0938\u092e\u0915\u093e\u0932\u093f\u0915<\/a>.<\/li>\n<li>unbalance \u092a\u0942\u0930\u094d\u0923\u092a\u0923\u0947 \u0926\u0941\u0930\u0941\u0938\u094d\u0924 \u0915\u0947\u0932\u094d\u092f\u093e\u0928\u0902\u0924\u0930\u0939\u0940 \u0924\u0940 \u0938\u0941\u0930\u0942 \u0930\u093e\u0939\u0924\u0947 \u0906\u0923\u093f \u0935\u093e\u0922\u0924\u091a \u0930\u093e\u0939\u0924\u0947.<\/li>\n<li>\u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0905\u0938\u094d\u0925\u093f\u0930 \u0905\u0938\u0924\u0947; \u0924\u0940 \u0925\u093e\u0902\u092c\u0935\u0923\u094d\u092f\u093e\u0938\u093e\u0920\u0940 \u092b\u0915\u094d\u0924 shutdown \u0915\u093f\u0902\u0935\u093e \u092d\u094c\u0924\u093f\u0915 \u092c\u0926\u0932\u091a \u0909\u092a\u092f\u094b\u0917\u0940 \u092a\u0921\u0924\u094b.<\/li>\n<\/ul>\n<h2>2. \u0930\u094b\u091f\u0930 instability \u091a\u0947 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u092a\u094d\u0930\u0915\u093e\u0930<\/h2>\n<h3>\u0911\u0907\u0932 \u0935\u094d\u0939\u0930\u094d\u0932<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/mr\/glossary\/oil-whirl\/\">\u0911\u0907\u0932 \u0935\u094d\u0939\u0930\u094d\u0932<\/a> \u0939\u0940 fluid-film <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/journal-bearing\/\">journal bearing<\/a> systems \u092e\u0927\u0940\u0932 \u0938\u0930\u094d\u0935\u093e\u0924 \u0938\u093e\u092e\u093e\u0928\u094d\u092f instability \u0906\u0939\u0947. shaft \u0932\u093e \u0906\u0927\u093e\u0930 \u0926\u0947\u0923\u093e\u0931\u094d\u092f\u093e oil wedge \u092e\u0941\u0933\u0947 \u090f\u0915 tangential force \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0924\u094b \u091c\u094b journal \u0932\u093e bearing clearance \u092e\u0927\u094d\u092f\u0947 \u0922\u0915\u0932\u0924\u094b. \u0924\u0940 \u0938\u093e\u0927\u093e\u0930\u0923 0.42\u20130.48\u00d7 running speed (sub-synchronous) \u092f\u0947\u0925\u0947 \u0926\u093f\u0938\u0924\u0947, \u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 speed \u092a\u0939\u093f\u0932\u094d\u092f\u093e <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/critical-speed\/\">critical speed<\/a>\u091a\u094d\u092f\u093e \u0938\u0941\u092e\u093e\u0930\u0947 \u0926\u0941\u092a\u094d\u092a\u091f \u091d\u093e\u0932\u094d\u092f\u093e\u0935\u0930, \u0906\u0923\u093f \u0924\u0940 speed \u0935\u093e\u0922\u0932\u094d\u092f\u093e\u0935\u0930 \u0905\u0927\u093f\u0915 \u092c\u093f\u0918\u0921\u0923\u093e\u0931\u094d\u092f\u093e \u0909\u091a\u094d\u091a-amplitude sub-synchronous vibration \u0938\u094d\u0935\u0930\u0942\u092a\u093e\u0924 \u0926\u093f\u0938\u0924\u0947. bearing design \u092e\u0927\u0940\u0932 \u092c\u0926\u0932, \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/preload\/\">\u092a\u094d\u0930\u0940\u0932\u094b\u0921<\/a>, \u0915\u093f\u0902\u0935\u093e offset configurations \u0939\u0947 \u0928\u0947\u0939\u092e\u0940\u091a\u0947 \u0909\u092a\u093e\u092f \u0906\u0939\u0947\u0924.<\/p>\n<h3>Oil whip (\u0917\u0902\u092d\u0940\u0930 instability)<\/h3>\n<p>Oil whip \u0939\u093e oil whirl \u091a\u093e \u0927\u094b\u0915\u093e\u0926\u093e\u092f\u0915 \u092a\u094d\u0930\u0917\u0924 \u092a\u094d\u0930\u0915\u093e\u0930 \u0906\u0939\u0947. rotor \u0935\u0947\u0917 \u0918\u0947\u0924 \u0905\u0938\u0924\u093e\u0928\u093e whirl frequency \u0935\u093e\u0922\u0924 \u091c\u093e\u0924\u0947, \u091c\u094b\u092a\u0930\u094d\u092f\u0902\u0924 \u0924\u0940 \u092a\u0939\u093f\u0932\u094d\u092f\u093e natural frequency \u0935\u0930 lock \u0939\u094b\u0924 \u0928\u093e\u0939\u0940; \u0924\u094d\u092f\u093e\u0928\u0902\u0924\u0930 \u092a\u0941\u0922\u0940\u0932 speed \u0935\u093e\u0922 \u091d\u093e\u0932\u0940 \u0924\u0930\u0940 \u0924\u0940 \u0924\u093f\u0925\u0947\u091a \u0930\u093e\u0939\u0924\u0947. \u092a\u0930\u093f\u0923\u093e\u092e\u0940 \u0938\u094d\u0925\u093f\u0930 frequency \u0935\u0930 \u0916\u0942\u092a \u092e\u094b\u0920\u0940 amplitude \u092e\u093f\u0933\u0924\u0947, \u091c\u0940 \u0915\u093e\u0939\u0940 \u092e\u093f\u0928\u093f\u091f\u093e\u0902\u0924 bearings \u0906\u0923\u093f shaft \u0928\u0937\u094d\u091f \u0915\u0930\u0942 \u0936\u0915\u0924\u0947. \u0939\u093e\u0924\u093e\u0933\u0923\u094d\u092f\u093e\u091c\u094b\u0917\u094d\u092f\u093e whirl \u092a\u093e\u0938\u0942\u0928 \u0935\u093f\u0928\u093e\u0936\u0915\u093e\u0930\u0940 whip \u092a\u0930\u094d\u092f\u0902\u0924 \u0939\u094b\u0923\u093e\u0930\u093e \u0939\u093e \u092c\u0926\u0932 \u092e\u094d\u0939\u0923\u091c\u0947 instability \u0915\u0927\u0940\u0939\u0940 \u0938\u0939\u0928 \u0915\u0930\u0942 \u0928\u092f\u0947 \u092f\u093e\u091a\u0947 \u0915\u093e\u0930\u0923 \u0906\u0939\u0947.<\/p>\n<h3>Steam whirl \u0906\u0923\u093f aerodynamic instabilities<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/mr\/glossary\/steam-whirl\/\">\u0938\u094d\u091f\u0940\u092e \u0935\u094d\u0939\u0930\u094d\u0932<\/a> \u0939\u0940 labyrinth seals \u0905\u0938\u0932\u0947\u0932\u094d\u092f\u093e steam turbines \u092e\u0927\u094d\u092f\u0947 \u0909\u0926\u094d\u092d\u0935\u0924\u0947, \u091c\u093f\u0925\u0947 seal clearances \u092e\u0927\u0940\u0932 aerodynamic cross-coupling forces \u0909\u091a\u094d\u091a pressure differential \u0916\u093e\u0932\u0940 natural frequency \u091c\u0935\u0933 sub-synchronous oscillation \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0930\u0924\u093e\u0924. swirl brakes, anti-swirl devices \u0906\u0923\u093f \u0938\u0941\u0927\u093e\u0930\u093f\u0924 seal geometry \u0939\u0947 \u0928\u0947\u0939\u092e\u0940\u091a\u0947 \u0909\u092a\u093e\u092f \u0906\u0939\u0947\u0924.<\/p>\n<h3>\u0936\u093e\u092b\u094d\u091f \u0935\u094d\u0939\u093f\u092a<\/h3>\n<p><a href=\"https:\/\/vibromera.eu\/mr\/glossary\/shaft-whip\/\">\u0936\u093e\u092b\u094d\u091f \u0935\u094d\u0939\u093f\u092a<\/a> \u0939\u093e \u0905\u0928\u0947\u0915 self-excited mechanisms \u0938\u093e\u0920\u0940 \u0935\u093e\u092a\u0930\u0932\u093e \u091c\u093e\u0923\u093e\u0930\u093e \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0936\u092c\u094d\u0926 \u0906\u0939\u0947, \u091c\u094d\u092f\u093e\u0924 shaft material \u092e\u0927\u0940\u0932 internal (hysteretic) damping, seals \u0915\u093f\u0902\u0935\u093e rubs \u092f\u0947\u0925\u0947 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0923\u093e\u0930\u093e dry-friction whip, \u0906\u0923\u093f aerodynamic \u0915\u093f\u0902\u0935\u093e hydrodynamic cross-coupling forces \u0938\u092e\u093e\u0935\u093f\u0937\u094d\u091f \u0906\u0939\u0947\u0924. \u092f\u093e\u0924\u0940\u0932 \u0935\u094d\u092f\u093e\u092a\u0915 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/whirl\/\">whirl \u0906\u0923\u093f whip<\/a> \u0918\u091f\u0928\u093e\u0902\u092e\u0927\u094d\u092f\u0947 \u0939\u0940\u091a self-sustaining energy transfer \u0938\u092e\u093e\u0928 \u0905\u0938\u0924\u0947.<\/p>\n<h2>3. \u0935\u0948\u0936\u093f\u0937\u094d\u091f\u094d\u092f\u0947 \u0906\u0923\u093f \u0932\u0915\u094d\u0937\u0923\u0947<\/h2>\n<h3>\u0915\u0902\u092a\u0928 signature<\/h3>\n<p>instability \u0921\u0947\u091f\u093e \u092e\u0927\u094d\u092f\u0947 \u0935\u0947\u0917\u0933\u094d\u092f\u093e \u092a\u094d\u0930\u0915\u093e\u0930\u091a\u0940 fingerprints \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0930\u0924\u0947:<\/p>\n<ul>\n<li><strong>Sub-synchronous frequency:<\/strong> 1\u00d7 running speed \u092a\u0947\u0915\u094d\u0937\u093e \u0915\u092e\u0940 \u0905\u0938\u0932\u0947\u0932\u093e \u092a\u094d\u0930\u092e\u0941\u0916 \u0918\u091f\u0915, \u0938\u093e\u0927\u093e\u0930\u0923\u092a\u0923\u0947 0.4\u20130.5\u00d7 \u091a\u094d\u092f\u093e \u0906\u0938\u092a\u093e\u0938.<\/li>\n<li><strong>\u0917\u0924\u0940 \u0938\u094d\u0935\u093e\u0924\u0902\u0924\u094d\u0930\u094d\u092f:<\/strong> instability lock \u091d\u093e\u0932\u094d\u092f\u093e\u0935\u0930, speed \u092c\u0926\u0932\u0932\u0940 \u0924\u0930\u0940 frequency \u0924\u093f\u0925\u0947\u091a \u0930\u093e\u0939\u0924\u0947.<\/li>\n<li><strong>\u091c\u0932\u0926 \u0935\u093e\u0922:<\/strong> threshold speed \u0913\u0932\u093e\u0902\u0921\u0924\u093e\u091a amplitude \u0918\u093e\u0924\u093e\u0902\u0915\u0940 \u0926\u0930\u093e\u0928\u0947 \u0935\u093e\u0922\u0924\u0947.<\/li>\n<li><strong>\u0909\u091a\u094d\u091a \u0905\u0945\u092e\u094d\u092a\u094d\u0932\u093f\u091f\u094d\u092f\u0942\u0921:<\/strong> \u0924\u0940 \u0938\u093e\u092e\u093e\u0928\u094d\u092f unbalance vibration \u092a\u0947\u0915\u094d\u0937\u093e 2\u201310 \u092a\u091f amplitude \u092a\u0930\u094d\u092f\u0902\u0924 \u091c\u093e\u090a \u0936\u0915\u0924\u0947.<\/li>\n<li><strong>\u0905\u0917\u094d\u0930\u0917\u093e\u092e\u0940 \u092a\u0942\u0930\u094d\u0935\u0915\u094d\u0930\u092e\u0923:<\/strong> \u0924\u094b <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/orbit\/\">\u0936\u093e\u092b\u094d\u091f\u091a\u0940 \u0915\u0915\u094d\u0937\u093e<\/a> \u0924\u0940 shaft \u091a\u094d\u092f\u093e\u091a \u0926\u093f\u0936\u0947\u0928\u0947 \u092b\u093f\u0930\u0924\u0947.<\/li>\n<\/ul>\n<h3>\u0938\u0941\u0930\u0941\u0935\u093e\u0924\u0940\u091a\u0947 \u0935\u0930\u094d\u0924\u0928<\/h3>\n<p>instability \u0939\u0940 threshold speed \u0928\u0947 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0939\u094b\u0924\u0947. \u0924\u094d\u092f\u093e \u0916\u093e\u0932\u0940 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0938\u094d\u0925\u093f\u0930 \u0905\u0938\u0924\u0947 \u0906\u0923\u093f \u092b\u0915\u094d\u0924 forced vibration \u0905\u0938\u0924\u0947; threshold \u0935\u0930 \u091b\u094b\u091f\u093e\u0938\u093e disturbance \u0938\u0941\u0926\u094d\u0927\u093e onset \u0938\u0941\u0930\u0942 \u0915\u0930\u0923\u094d\u092f\u093e\u0938 \u092a\u0941\u0930\u0947\u0938\u093e \u0905\u0938\u0924\u094b; \u0906\u0923\u093f \u0924\u094d\u092f\u093e\u092a\u0947\u0915\u094d\u0937\u093e \u0935\u0930 instability \u091c\u0932\u0926 \u0935\u093e\u0922\u0924\u0947. \u092e\u0936\u0940\u0928\u091a\u094d\u092f\u093e \u0906\u092f\u0941\u0937\u094d\u092f\u093e\u091a\u094d\u092f\u093e \u0938\u0941\u0930\u0941\u0935\u093e\u0924\u0940\u0932\u093e \u0924\u0940 \u0938\u0924\u0924 \u0935\u093e\u0922\u0923\u093e\u0931\u094d\u092f\u093e oscillation \u092e\u0927\u094d\u092f\u0947 \u0938\u094d\u0925\u093f\u0930 \u0939\u094b\u0923\u094d\u092f\u093e\u092a\u0942\u0930\u094d\u0935\u0940 \u0905\u0927\u0942\u0928\u092e\u0927\u0942\u0928 \u0926\u093f\u0938\u0942 \u0906\u0923\u093f \u0928\u093e\u0939\u0940\u0936\u0940 \u0939\u094b\u090a \u0936\u0915\u0924\u0947.<\/p>\n<h2>4. \u0928\u093f\u0926\u093e\u0928\u093e\u0924\u094d\u092e\u0915 \u0913\u0933\u0916<\/h2>\n<p>\u0928\u093f\u0926\u093e\u0928\u093e\u0924\u0940\u0932 \u0915\u0933\u0940\u091a\u093e \u092e\u0941\u0926\u094d\u0926\u093e \u092e\u094d\u0939\u0923\u091c\u0947 self-excited instability \u0906\u0923\u093f \u0938\u093e\u092e\u093e\u0928\u094d\u092f forced vibration \u092f\u093e\u0902\u092e\u0927\u094d\u092f\u0947 \u092b\u0930\u0915 \u0915\u0930\u0923\u0947. \u0939\u093e \u0935\u093f\u0930\u094b\u0927 \u0905\u0917\u0926\u0940 \u0938\u094d\u092a\u0937\u094d\u091f \u0905\u0938\u0924\u094b:<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse:collapse;\">\n<tr>\n<th>\u0935\u0948\u0936\u093f\u0937\u094d\u091f\u094d\u092f\u092a\u0942\u0930\u094d\u0923<\/th>\n<th>Unbalance (forced)<\/th>\n<th>Instability (self-excited)<\/th>\n<\/tr>\n<tr>\n<td>\u0935\u093e\u0930\u0902\u0935\u093e\u0930\u0924\u093e<\/td>\n<td>\u0967\u00d7 \u091a\u093e\u0932\u0942 \u0917\u0924\u0940<\/td>\n<td>\u0909\u092a-\u0938\u092e\u0915\u093e\u0932\u093f\u0915 (\u092c\u0939\u0941\u0924\u0947\u0915\u0926\u093e ~0.45\u00d7)<\/td>\n<\/tr>\n<tr>\n<td>amplitude \u0935\u093f\u0930\u0941\u0926\u094d\u0927 speed<\/td>\n<td>speed\u00b2 \u092c\u0930\u094b\u092c\u0930 \u0938\u0941\u0930\u0933\u0940\u0924 \u0935\u093e\u0922\u0924\u0947<\/td>\n<td>threshold \u092a\u0947\u0915\u094d\u0937\u093e \u0935\u0930 \u0905\u091a\u093e\u0928\u0915 onset<\/td>\n<\/tr>\n<tr>\n<td>\u092c\u0945\u0932\u0928\u094d\u0938\u093f\u0902\u0917\u0932\u093e \u092a\u094d\u0930\u0924\u093f\u0938\u093e\u0926<\/td>\n<td>\u0915\u0902\u092a\u0928 \u0915\u092e\u0940 \u091d\u093e\u0932\u0947<\/td>\n<td>\u0915\u0938\u0932\u093e\u0939\u0940 \u0938\u0941\u0927\u093e\u0930 \u0928\u093e\u0939\u0940<\/td>\n<\/tr>\n<tr>\n<td>\u0935\u093e\u0930\u0902\u0935\u093e\u0930\u0924\u093e \u0935\u093f\u0930\u0941\u0926\u094d\u0927 \u0917\u0924\u0940<\/td>\n<td>speed \u091a\u093e \u092e\u093e\u0917\u094b\u0935\u093e \u0918\u0947\u0924\u0947 (\u0938\u094d\u0925\u093f\u0930 order)<\/td>\n<td>\u0938\u094d\u0925\u093f\u0930 frequency (\u092c\u0926\u0932\u0923\u093e\u0930\u093e order)<\/td>\n<\/tr>\n<tr>\n<td>Shutdown \u0928\u0902\u0924\u0930\u091a\u0947 \u0935\u0930\u094d\u0924\u0928<\/td>\n<td>\u0935\u0947\u0917\u093e\u092c\u0930\u094b\u092c\u0930 \u0915\u092e\u0940 \u0939\u094b\u0924\u0947<\/td>\n<td>\u0935\u0947\u0917 \u0915\u092e\u0940 \u091d\u093e\u0932\u094d\u092f\u093e\u0928\u0902\u0924\u0930 \u0925\u094b\u0921\u093e \u0935\u0947\u0933 \u091f\u093f\u0915\u0942 \u0936\u0915\u0924\u0947<\/td>\n<\/tr>\n<\/table>\n<h3>instability \u091a\u0940 \u092a\u0941\u0937\u094d\u091f\u0940<\/h3>\n<p>\u0915\u093e\u0939\u0940 \u0924\u0902\u0924\u094d\u0930\u0947 \u0939\u093e \u092a\u094d\u0930\u0936\u094d\u0928 \u0928\u093f\u0930\u094d\u0923\u093e\u092f\u0915\u092a\u0923\u0947 \u0938\u094b\u0921\u0935\u0924\u093e\u0924. <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/order-analysis\/\">\u0911\u0930\u094d\u0921\u0930 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923<\/a> \u0939\u0947 component \u0932\u093e order \u092c\u0926\u0932\u0924 \u0905\u0938\u0924\u093e\u0928\u093e\u0939\u0940 \u0938\u094d\u0925\u093f\u0930 frequency \u0935\u0930 \u091f\u093f\u0915\u0942\u0928 \u0930\u093e\u0939\u093f\u0932\u0947\u0932\u093e \u0926\u093e\u0916\u0935\u0924\u0947; \u090f\u0915 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/waterfall-plot\/\">\u0935\u0949\u091f\u0930\u092b\u0949\u0932 \u092a\u094d\u0932\u0949\u091f<\/a> speed \u091a\u093e \u092e\u093e\u0917\u094b\u0935\u093e \u0918\u0947\u0923\u094d\u092f\u093e\u0938 \u0928\u0915\u093e\u0930 \u0926\u0947\u0923\u093e\u0930\u0940 frequency line \u0926\u093e\u0916\u0935\u0924\u0947; balancing \u092e\u0941\u0933\u0947 sub-synchronous peak \u0935\u0930 \u0915\u093e\u0939\u0940 \u092a\u0930\u093f\u0923\u093e\u092e \u0939\u094b\u0924 \u0928\u093e\u0939\u0940; \u0906\u0923\u093f <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/orbit\/\">\u0911\u0930\u094d\u092c\u093f\u091f \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923<\/a> natural frequency \u0935\u0930 forward precession \u0926\u093e\u0916\u0935\u0924\u0947. \u092a\u094b\u0930\u094d\u091f\u0947\u092c\u0932 two-channel analyser \u091c\u0938\u0947 \u0915\u0940 <a href=\"https:\/\/vibromera.eu\/mr\/product\/balanset-1\/\">Balanset-1A<\/a> \u0939\u0947 \u092b\u0940\u0932\u094d\u0921\u092e\u0927\u094d\u092f\u0947 \u0939\u093e \u092a\u0941\u0930\u093e\u0935\u093e \u091f\u093f\u092a\u0923\u094d\u092f\u093e\u0938\u093e\u0920\u0940 \u092f\u094b\u0917\u094d\u092f \u0906\u0939\u0947 \u2014 sub-synchronous component, speed \u0938\u094b\u092c\u0924 \u0924\u094d\u092f\u093e\u091a\u0940 amplitude \u0935\u093e\u0922, \u0906\u0923\u093f 1\u00d7 line \u090f\u0915\u0924\u094d\u0930 \u0928\u094b\u0902\u0926\u0935\u0942\u0928 \u2014 \u0924\u094d\u092f\u093e\u092e\u0941\u0933\u0947 \u090f\u0916\u093e\u0926\u093e engineer balancing \u0915\u0930\u0923\u0947 \u0916\u0930\u094b\u0916\u0930\u091a \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0906\u0939\u0947 \u0915\u093e \u0939\u0947 \u0920\u0930\u0935\u0923\u094d\u092f\u093e\u092a\u0942\u0930\u094d\u0935\u0940 \u0916\u0930\u0940 instability \u0906\u0923\u093f \u0938\u093e\u0927\u093e unbalance \u092f\u093e\u0902\u092e\u0927\u094d\u092f\u0947 \u092b\u0930\u0915 \u0915\u0930\u0942 \u0936\u0915\u0924\u094b. \u0926\u094b\u0937 self-excited \u0906\u0939\u0947 \u092f\u093e\u091a\u0940 \u092a\u0941\u0937\u094d\u091f\u0940 \u0915\u0947\u0932\u094d\u092f\u093e\u0928\u0947 balancing \u0928\u0947 \u0938\u0941\u091f\u0923\u093e\u0930 \u0928\u093e\u0939\u0940 \u0905\u0936\u093e \u0938\u092e\u0938\u094d\u092f\u0947\u0935\u0930 balancing \u0915\u0930\u0923\u094d\u092f\u093e\u091a\u0940 \u092e\u0939\u093e\u0917\u0921\u0940 \u091a\u0942\u0915 \u091f\u093e\u0933\u0924\u093e \u092f\u0947\u0924\u0947.<\/p>\n<h2>5. \u092a\u094d\u0930\u0924\u093f\u092c\u0902\u0927 \u0906\u0923\u093f \u0936\u092e\u0928<\/h2>\n<h3>\u0921\u093f\u099c\u093e\u0907\u0928 \u0935\u093f\u091a\u093e\u0930\u0938\u0930\u0923\u0940<\/h3>\n<ul>\n<li><strong>\u092a\u0941\u0930\u0947\u0938\u0947 damping:<\/strong> bearing systems \u0928\u0947 \u092a\u0941\u0930\u0947\u0938\u0947 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/damping\/\">damping<\/a> \u0926\u093f\u0932\u0947 \u092a\u093e\u0939\u093f\u091c\u0947 \u091c\u0947 instability \u091a\u094d\u092f\u093e onset \u0932\u093e \u0926\u0921\u092a\u0947\u0932.<\/li>\n<li><strong>Bearing \u0928\u093f\u0935\u0921:<\/strong> \u091a\u093e\u0902\u0917\u0932\u0947 inherent damping \u0905\u0938\u0932\u0947\u0932\u0947 \u092a\u094d\u0930\u0915\u093e\u0930 \u0906\u0923\u093f configurations \u0928\u093f\u0935\u0921\u093e, \u091c\u0938\u0947 tilting-pad \u0915\u093f\u0902\u0935\u093e preloaded bearings.<\/li>\n<li><strong>\u0915\u0921\u0915\u092a\u0923\u093e \u0905\u0928\u0941\u0915\u0942\u0932\u0928:<\/strong> shaft-to-bearing <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/stiffness\/\">\u0915\u0920\u094b\u0930\u0924\u093e<\/a> \u0905\u0928\u0941\u092a\u093e\u0924 \u0924\u0930\u094d\u0915\u0938\u0902\u0917\u0924 \u0920\u0947\u0935\u093e.<\/li>\n<li><strong>\u0915\u093e\u0930\u094d\u092f\u0930\u0924 \u0917\u0924\u0940\u091a\u093e \u092e\u093e\u0930\u094d\u091c\u093f\u0928:<\/strong> \u092e\u0936\u0940\u0928 \u0905\u0936\u0940 \u0921\u093f\u091d\u093e\u0907\u0928 \u0915\u0930\u093e \u0915\u0940 \u0924\u0940 instability threshold speeds \u092a\u0947\u0915\u094d\u0937\u093e \u0916\u093e\u0932\u0940 \u091a\u093e\u0932\u0947\u0932.<\/li>\n<\/ul>\n<h3>Bearing design \u0909\u092a\u093e\u092f<\/h3>\n<ul>\n<li><strong>Tilting-pad bearings:<\/strong> \u092e\u0942\u0933\u0924\u0903 \u0938\u094d\u0925\u093f\u0930; high-speed \u0938\u0947\u0935\u0947\u0938\u093e\u0920\u0940 \u092e\u093e\u0928\u0915 \u092a\u0930\u094d\u092f\u093e\u092f.<\/li>\n<li><strong>Pressure-dam bearings:<\/strong> effective damping \u0935\u093e\u0922\u0935\u0923\u093e\u0930\u0940 \u0938\u0941\u0927\u093e\u0930\u093f\u0924 geometry.<\/li>\n<li><strong>\u092c\u0947\u0905\u0930\u093f\u0902\u0917 \u092a\u094d\u0930\u0940\u0932\u094b\u0921:<\/strong> stiffness \u0906\u0923\u093f damping \u0935\u093e\u0922\u0935\u0924\u0947 \u0906\u0923\u093f threshold speed \u0909\u0902\u091a\u093e\u0935\u0924\u0947.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/mr\/glossary\/squeeze-film-damper\/\">Squeeze-film dampers<\/a>:<\/strong> bearings \u092d\u094b\u0935\u0924\u0940 \u092c\u0938\u0935\u0932\u0947\u0932\u0947 \u092c\u093e\u0939\u094d\u092f damping elements.<\/li>\n<\/ul>\n<h3>\u0915\u093e\u0930\u094d\u092f\u0915\u093e\u0930\u0940 \u0909\u092a\u093e\u092f<\/h3>\n<ul>\n<li><strong>\u0935\u0947\u0917 \u092e\u0930\u094d\u092f\u093e\u0926\u093e:<\/strong> \u0915\u092e\u093e\u0932 speed threshold \u092a\u0947\u0915\u094d\u0937\u093e \u0916\u093e\u0932\u0940 \u092e\u0930\u094d\u092f\u093e\u0926\u093f\u0924 \u0920\u0947\u0935\u093e.<\/li>\n<li><strong>\u0932\u094b\u0921 \u0935\u093e\u0922:<\/strong> \u091c\u0921 bearing loads \u092e\u0941\u0933\u0947 \u0938\u094d\u0925\u093f\u0930\u0924\u0947\u091a\u093e \u092e\u093e\u0930\u094d\u091c\u093f\u0928 \u0935\u093e\u0922\u0942 \u0936\u0915\u0924\u094b.<\/li>\n<li><strong>\u0924\u093e\u092a\u092e\u093e\u0928 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923:<\/strong> \u0924\u0947\u0932\u093e\u091a\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 viscosity \u0920\u0930\u0935\u0924\u0947, \u0906\u0923\u093f viscosity damping \u0920\u0930\u0935\u0924\u0947.<\/li>\n<li><strong>\u0938\u0924\u0924 \u0928\u093f\u0930\u0940\u0915\u094d\u0937\u0923:<\/strong> \u0932\u0935\u0915\u0930 \u0936\u094b\u0927 \u0932\u093e\u0917\u0932\u094d\u092f\u093e\u0938 \u0928\u0941\u0915\u0938\u093e\u0928 \u0939\u094b\u0923\u094d\u092f\u093e\u092a\u0942\u0930\u094d\u0935\u0940 shutdown \u0915\u0930\u0923\u094d\u092f\u093e\u0938\u093e\u0920\u0940 \u0935\u0947\u0933 \u092e\u093f\u0933\u0924\u094b.<\/li>\n<\/ul>\n<h2>6. \u0906\u092a\u0924\u094d\u0915\u093e\u0932\u0940\u0928 \u092a\u094d\u0930\u0924\u093f\u0938\u093e\u0926 \u0906\u0923\u093f \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923<\/h2>\n<p>\u0911\u092a\u0930\u0947\u0936\u0928\u0926\u0930\u092e\u094d\u092f\u093e\u0928 instability \u0926\u093f\u0938\u0932\u094d\u092f\u093e\u0938 \u092a\u094d\u0930\u0924\u093f\u0938\u093e\u0926\u093e\u091a\u0940 \u0915\u094d\u0930\u092e\u0935\u093e\u0930\u0940 \u0938\u094d\u092a\u0937\u094d\u091f \u0905\u0938\u0924\u0947:<\/p>\n<ol>\n<li><strong>\u0924\u0924\u094d\u0915\u093e\u0933 \u0915\u0943\u0924\u0940 \u0915\u0930\u093e:<\/strong> \u0917\u0924\u0940 \u0915\u092e\u0940 \u0915\u0930\u093e \u0915\u093f\u0902\u0935\u093e \u0932\u0917\u0947\u091a shutdown \u0915\u0930\u093e.<\/li>\n<li><strong>\u092c\u0945\u0932\u0928\u094d\u0938\u093f\u0902\u0917 \u0915\u0930\u0923\u094d\u092f\u093e\u091a\u093e \u092a\u094d\u0930\u092f\u0924\u094d\u0928 \u0915\u0930\u0942 \u0928\u0915\u093e:<\/strong> \u0924\u0947 instability \u0926\u0941\u0930\u0941\u0938\u094d\u0924 \u0915\u0930\u0942 \u0936\u0915\u0924 \u0928\u093e\u0939\u0940 \u0906\u0923\u093f \u092b\u0915\u094d\u0924 \u092e\u0939\u0924\u094d\u0924\u094d\u0935\u093e\u091a\u093e \u0935\u0947\u0933 \u0935\u093e\u092f\u093e \u0918\u093e\u0932\u0935\u0924\u0947.<\/li>\n<li><strong>\u0938\u094d\u0925\u093f\u0924\u0940 \u0928\u094b\u0902\u0926\u0935\u093e:<\/strong> onset \u0935\u0947\u0933\u0940 speed, frequency \u0906\u0923\u093f amplitude \u091a\u0940 \u0935\u093e\u0922 \u092f\u093e\u0902\u091a\u0940 \u0928\u094b\u0902\u0926 \u0915\u0930\u093e.<\/li>\n<li><strong>\u092e\u0942\u0933 \u0915\u093e\u0930\u0923 \u0924\u092a\u093e\u0938\u093e:<\/strong> oil whirl, whip, steam whirl \u0915\u093f\u0902\u0935\u093e friction-driven whip \u092f\u093e\u0902\u092a\u0948\u0915\u0940 \u0928\u0947\u092e\u0915\u0940 \u0915\u094b\u0923\u0924\u0940 \u092f\u0902\u0924\u094d\u0930\u0923\u093e \u0915\u093e\u0930\u094d\u092f\u0930\u0924 \u0906\u0939\u0947 \u0924\u0947 \u0913\u0933\u0916\u093e.<\/li>\n<li><strong>\u0926\u0941\u0930\u0941\u0938\u094d\u0924\u0940 \u0932\u093e\u0917\u0942 \u0915\u0930\u093e:<\/strong> \u0924\u094d\u092f\u093e\u092a\u094d\u0930\u092e\u093e\u0923\u0947 bearings, seals \u0915\u093f\u0902\u0935\u093e operating conditions \u092e\u0927\u094d\u092f\u0947 \u092c\u0926\u0932 \u0915\u0930\u093e.<\/li>\n<li><strong>\u0909\u092a\u093e\u092f\u093e\u091a\u0940 \u092a\u0921\u0924\u093e\u0933\u0923\u0940 \u0915\u0930\u093e:<\/strong> \u091c\u0935\u0933\u0942\u0928 \u0928\u093f\u0930\u0940\u0915\u094d\u0937\u0923\u093e\u0916\u093e\u0932\u0940, \u0938\u093e\u0935\u0927\u092a\u0923\u0947 \u0938\u0947\u0935\u093e \u092a\u0941\u0928\u094d\u0939\u093e \u0938\u0941\u0930\u0942 \u0915\u0930\u093e.<\/li>\n<\/ol>\n<p>engineers \u0914\u092a\u091a\u093e\u0930\u093f\u0915 \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923\u093e\u0926\u094d\u0935\u093e\u0930\u0947 instability \u091a\u0947 \u092a\u0942\u0930\u094d\u0935\u093e\u0928\u0941\u092e\u093e\u0928 \u0915\u0930\u0924\u093e\u0924 \u0906\u0923\u093f \u0924\u0940 \u0921\u093f\u091d\u093e\u0907\u0928\u092e\u0927\u0942\u0928 \u0915\u093e\u0922\u0942\u0928 \u091f\u093e\u0915\u0924\u093e\u0924. \u092f\u093e\u0924 <a href=\"https:\/\/vibromera.eu\/mr\/glossary\/rotor-bearing-system\/\">\u0930\u094b\u091f\u0930-\u092c\u0947\u0905\u0930\u093f\u0902\u0917 \u092a\u094d\u0930\u0923\u093e\u0932\u0940<\/a>\u091a\u0947 eigenvalues \u092e\u094b\u091c\u0932\u0947 \u091c\u093e\u0924\u093e\u0924: \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 eigenvalue \u091a\u093e real part \u0938\u094d\u0925\u093f\u0930\u0924\u0947\u091a\u093e \u0928\u093f\u0930\u094d\u0926\u0947\u0936 \u0915\u0930\u0924\u094b \u2014 negative \u092e\u094d\u0939\u0923\u091c\u0947 \u0938\u094d\u0925\u093f\u0930, positive \u092e\u094d\u0939\u0923\u091c\u0947 \u0905\u0938\u094d\u0925\u093f\u0930 \u2014 \u0906\u0923\u093f \u092f\u093e \u0917\u0923\u0928\u0947\u0924 \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u091c\u094d\u092f\u093e threshold speeds \u0935\u0930 \u092c\u0926\u0932\u0924\u0947 \u0924\u094d\u092f\u093e \u0920\u0930\u0924\u093e\u0924. \u0939\u0947 \u0915\u093e\u092e \u0938\u0939\u0938\u093e specialised rotor-dynamics software \u0935\u0930 \u0905\u0935\u0932\u0902\u092c\u0942\u0928 \u0905\u0938\u0924\u0947 \u0906\u0923\u093f \u092a\u0941\u0930\u0947\u0938\u093e stability margin \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0923\u093e\u0931\u094d\u092f\u093e design choices \u092e\u0927\u094d\u092f\u0947 \u092a\u0930\u0924 feed \u0915\u0947\u0932\u0947 \u091c\u093e\u0924\u0947. unbalance \u0915\u093f\u0902\u0935\u093e misalignment \u092a\u0947\u0915\u094d\u0937\u093e \u0924\u0940 \u0915\u092e\u0940 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0905\u0938\u0932\u0940 \u0924\u0930\u0940, rotor instability \u0939\u0940 rotating machinery \u092e\u0927\u0940\u0932 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0917\u0902\u092d\u0940\u0930 vibration \u0938\u094d\u0925\u093f\u0924\u0940\u0902\u092e\u0927\u0940\u0932 \u090f\u0915 \u0906\u0939\u0947, \u0906\u0923\u093f \u0924\u093f\u091a\u094d\u092f\u093e \u092f\u0902\u0924\u094d\u0930\u0923\u093e \u0935 \u0932\u0915\u094d\u0937\u0923\u0947 \u0913\u0933\u0916\u0923\u0947 \u0939\u0947 high-speed equipment \u0938\u094b\u092c\u0924 \u0915\u093e\u092e \u0915\u0930\u0923\u093e\u0931\u094d\u092f\u093e \u0915\u094b\u0923\u093e\u0938\u093e\u0920\u0940\u0939\u0940 \u0905\u0924\u094d\u092f\u093e\u0935\u0936\u094d\u092f\u0915 \u0915\u094c\u0936\u0932\u094d\u092f \u0906\u0939\u0947.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/mr\/glossary\/\">\u2190 \u092e\u0941\u0916\u094d\u092f \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u0915\u093e\u0902\u0915\u0921\u0947 \u092a\u0930\u0924<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about rotor instability, a dangerous self-excited vibration condition where energy from rotation sustains or amplifies oscillations, leading to potential catastrophic failure.<\/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\/mr\/wp-json\/wp\/v2\/glossary\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/glossary\/219\/revisions"}],"predecessor-version":[{"id":101404,"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/glossary\/219\/revisions\/101404"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/media?parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/categories?post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/mr\/wp-json\/wp\/v2\/tags?post=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}