{"id":52,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/bearing-span\/"},"modified":"2026-07-03T09:51:01","modified_gmt":"2026-07-03T09:51:01","slug":"bearing-span","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/bearing-span\/","title":{"rendered":"Co je rozp\u011bt\u00ed lo\u017eisek v dynamice rotoru?"},"content":{"rendered":"<h1>Pochopen\u00ed rozp\u011bt\u00ed lo\u017eisek v dynamice rotoru<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed Balanset-1A\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\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=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\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=\"Reflexn\u00ed p\u00e1ska\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &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=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/52?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>Rozp\u011bt\u00ed lo\u017eisek<\/strong> \u2014 naz\u00fdvan\u00e1 tak\u00e9 rozte\u010d lo\u017eisek nebo rozp\u011bt\u00ed podp\u011br \u2014 je vzd\u00e1lenost mezi osami dvou hlavn\u00edch op\u011brn\u00fdch lo\u017eisek <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a>. A\u010dkoli to zn\u00ed jednodu\u0161e, pr\u00e1v\u011b tento jedin\u00fd rozm\u011br je jedn\u00edm z nejv\u00fdznamn\u011bj\u0161\u00edch parametr\u016f v cel\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-dynamics\/\">dynamika rotoru<\/a>, proto\u017ee ur\u010duje ohyb h\u0159\u00eddele <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a>, a tuhost zase ovliv\u0148uje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e9 rychlosti<\/a>, maxim\u00e1ln\u00ed pr\u016fhyby, zat\u00ed\u017een\u00ed lo\u017eisek a celkov\u00e9 dynamick\u00e9 vlastnosti rotoru. P\u0159i dan\u00e9m pr\u016fm\u011bru a materi\u00e1lu h\u0159\u00eddele vede prodlou\u017een\u00ed rozp\u011bt\u00ed k v\u011bt\u0161\u00ed pru\u017enosti h\u0159\u00eddele a ke sn\u00ed\u017een\u00ed jej\u00edch kritick\u00fdch ot\u00e1\u010dek; zkr\u00e1cen\u00ed rozp\u011bt\u00ed naopak zvy\u0161uje tuhost h\u0159\u00eddele a tyto ot\u00e1\u010dky zvy\u0161uje. Pr\u00e1v\u011b tento p\u00e1kov\u00fd efekt \u2013 tedy v\u00fdrazn\u00fd dopad p\u0159i relativn\u011b mal\u00e9 geometrick\u00e9 zm\u011bn\u011b \u2013 \u010din\u00ed z d\u00e9lky lo\u017eiskov\u00e9ho rozp\u011bt\u00ed kl\u00ed\u010dov\u00e9 konstruk\u010dn\u00ed rozhodnut\u00ed, nikoli pouhou vedlej\u0161\u00ed z\u00e1le\u017eitost.<\/p>\n<h2>1. Definice a z\u00e1kladn\u00ed principy<\/h2>\n<p>Mezi dv\u011bma op\u011brami se h\u0159\u00eddel chov\u00e1 jako jednodu\u0161e podep\u0159en\u00fd nosn\u00edk a rotor se \u0159\u00edd\u00ed stejn\u00fdmi mechanick\u00fdmi z\u00e1kony jako jak\u00fdkoli nosn\u00edk. Rozp\u011bt\u00ed odpov\u00edd\u00e1 d\u00e9lce nosn\u00edku a jeliko\u017e pr\u016fhyb nosn\u00edku roste \u00fam\u011brn\u011b t\u0159et\u00ed mocnin\u011b d\u00e9lky, je ohebnost rotoru velmi citliv\u00e1 na um\u00edst\u011bn\u00ed lo\u017eisek. V\u0161e, co n\u00e1sleduje \u2013 kritick\u00e9 rychlosti, meze pr\u016fhybu, zat\u00ed\u017een\u00ed lo\u017eisek \u2013 vypl\u00fdv\u00e1 z tohoto kubick\u00e9ho vztahu, proto je vhodn\u00e9 jej pe\u010dliv\u011b stanovit p\u0159edt\u00edm, ne\u017e vyvod\u00edme z\u00e1v\u011bry ohledn\u011b konstrukce.<\/p>\n<h2>2. Vliv na tuhost rotoru<\/h2>\n<h3>Mechanika nosn\u00edku<\/h3>\n<p>Tuhost h\u0159\u00eddele mezi lo\u017eisky se \u0159\u00edd\u00ed z\u00e1kladn\u00ed rovnic\u00ed nosn\u00edku:<\/p>\n<blockquote><p><strong>Pr\u016fhyb \u221d L\u00b3 \/ (E \u00d7 I)<\/strong><\/p><\/blockquote>\n<ul>\n<li><strong>L<\/strong> = rozp\u011bt\u00ed (d\u00e9lka).<\/li>\n<li><strong>E<\/strong> = modul pru\u017enosti materi\u00e1lu.<\/li>\n<li><strong>I<\/strong> = moment setrva\u010dnosti pr\u016f\u0159ezu h\u0159\u00eddele, kter\u00fd je \u00fam\u011brn\u00fd \u010dtvrt\u00e9 mocnin\u011b pr\u016fm\u011bru.<\/li>\n<li><strong>Kl\u00ed\u010dov\u00fd poznatek:<\/strong> pr\u016fhyb \u2013 a tedy i pru\u017enost \u2013 se zvy\u0161uje s <em>t\u0159et\u00ed mocnina<\/em> of the span.<\/li>\n<\/ul>\n<h3>Praktick\u00e9 d\u016fsledky<\/h3>\n<ul>\n<li>Zdvojn\u00e1soben\u00ed rozp\u011bt\u00ed lo\u017eisek zvy\u0161uje pr\u016fhyb osmkr\u00e1t (2\u00b3 = 8).<\/li>\n<li>Zkr\u00e1cen\u00ed rozp\u011bt\u00ed o 25 % sn\u00ed\u017e\u00ed pr\u016fhyb p\u0159ibli\u017en\u011b o 58 %.<\/li>\n<li>I mal\u00e9 zm\u011bny v um\u00edst\u011bn\u00ed lo\u017eiska mohou m\u00edt zna\u010dn\u00fd vliv na tuhost.<\/li>\n<li>U dlouh\u00fdch rotor\u016f m\u00e1 rozp\u011bt\u00ed v\u011bt\u0161\u00ed vliv ne\u017e pr\u016fm\u011br h\u0159\u00eddele \u2013 av\u0161ak vzhledem k tomu, \u017ee druh\u00fd moment setrva\u010dnosti je \u00fam\u011brn\u00fd \u010dtvrt\u00e9 mocnin\u011b pr\u016fm\u011bru, je pr\u016fm\u011br rozhoduj\u00edc\u00edm faktorem, pokud lze m\u011bnit oba parametry.<\/li>\n<\/ul>\n<h2>3. Vliv na kritick\u00e9 rychlosti<\/h2>\n<h3>Z\u00e1kladn\u00ed vztah<\/h3>\n<p>U jednoduch\u00e9ho rotoru \u2013 rovnom\u011brn\u00e9ho h\u0159\u00eddele s hmotou soust\u0159ed\u011bnou ve st\u0159edu \u2013 je prvn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a> je p\u0159ibli\u017en\u011b:<\/p>\n<ul>\n<li><strong>f \u221d \u221a(k\/m)<\/strong>, kde k je tuhost h\u0159\u00eddele a m je hmotnost rotoru.<\/li>\n<li>Jeliko\u017e tuhost je \u00fam\u011brn\u00e1 1\/L\u00b3, vypl\u00fdv\u00e1 z toho, \u017ee <strong>f \u221d 1\/L<sup>3\/2<\/sup><\/strong>.<\/li>\n<li><strong>Praktick\u00e9 pravidlo:<\/strong> prvn\u00ed kritick\u00e1 rychlost se m\u011bn\u00ed nep\u0159\u00edmo \u00fam\u011brn\u011b s rozp\u011bt\u00edm lo\u017eisek umocn\u011bn\u00fdm na 1,5.<\/li>\n<\/ul>\n<h3>D\u016fsledky pro n\u00e1vrh<\/h3>\n<ul>\n<li><strong>Shorter span:<\/strong> vy\u0161\u0161\u00ed kritick\u00e9 rychlosti, tu\u017e\u0161\u00ed rotor, kter\u00fd je vhodn\u011bj\u0161\u00ed pro provoz p\u0159i vysok\u00fdch ot\u00e1\u010dk\u00e1ch.<\/li>\n<li><strong>Longer span:<\/strong> ni\u017e\u0161\u00ed kritick\u00e9 rychlosti, pru\u017en\u011bj\u0161\u00ed rotor, kter\u00fd bude mo\u017en\u00e1 muset b\u011b\u017eet jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/flexible-rotor\/\">pru\u017en\u00fd rotor<\/a>.<\/li>\n<li><strong>Optimisation:<\/strong> kompromis mezi mont\u00e1\u017en\u00ed snadnost\u00ed (del\u0161\u00ed rozp\u011bt\u00ed usnad\u0148uje mont\u00e1\u017e) a tuhost\u00ed (krat\u0161\u00ed rozp\u011bt\u00ed m\u00e1 lep\u0161\u00ed dynamick\u00e9 vlastnosti).<\/li>\n<\/ul>\n<h3>Zpracovan\u00fd p\u0159\u00edklad<\/h3>\n<p>Vezm\u011bme si rotor motoru s prvn\u00ed kritickou rychlost\u00ed 3000 ot.\/min p\u0159i rozte\u010di lo\u017eisek 500 mm:<\/p>\n<ul>\n<li>Zv\u011bt\u0161ete rozp\u011bt\u00ed na 600 mm (o 20 %).<\/li>\n<li>Kritick\u00e1 rychlost kles\u00e1 na 3000 \/ (600\/500)<sup>1.5<\/sup> \u2248 2280 RPM.<\/li>\n<li>Tento 24% pokles by mohl posunout kritick\u00e9 ot\u00e1\u010dky nebezpe\u010dn\u011b bl\u00edzko provozn\u00edm ot\u00e1\u010dk\u00e1m \u2014 p\u0159esn\u011b takov\u00fd posun stoj\u00ed za to porovnat s provozn\u00edmi ot\u00e1\u010dkami pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/rotor-critical-speed\/\">Kalkula\u010dka kritick\u00fdch ot\u00e1\u010dek rotoru<\/a>.<\/li>\n<\/ul>\n<h2>4. Aspekty n\u00e1vrhu<\/h2>\n<p>Um\u00edst\u011bn\u00ed lo\u017eisek znamen\u00e1 sladit n\u011bkolik protich\u016fdn\u00fdch po\u017eadavk\u016f najednou.<\/p>\n<h3>Mechanick\u00e1 omezen\u00ed<\/h3>\n<ul>\n<li>Rozm\u011bry r\u00e1mu a sk\u0159\u00edn\u011b stroje.<\/li>\n<li>Um\u00edst\u011bn\u00ed sou\u010d\u00e1st\u00ed rotoru, jako jsou ob\u011b\u017en\u00e1 kola a spojky.<\/li>\n<li>P\u0159\u00edstup pro \u00fadr\u017ebu a mont\u00e1\u017e.<\/li>\n<li>Po\u017eadavky na spojky a hnac\u00ed \u00fastroj\u00ed.<\/li>\n<\/ul>\n<h3>Po\u017eadavky na dynamiku rotoru<\/h3>\n<ul>\n<li><strong>Odd\u011blen\u00ed p\u0159i kritick\u00e9 rychlosti:<\/strong> ulo\u017ete lo\u017eiska tak, aby se kritick\u00e9 ot\u00e1\u010dky pohybovaly v rozmez\u00ed \u00b120\u201330 % od provozn\u00edch ot\u00e1\u010dek.<\/li>\n<li><strong>Tuh\u00e9 versus pru\u017en\u00e9:<\/strong> krat\u0161\u00ed rozp\u011bt\u00ed udr\u017euje rotor <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rigid-rotor\/\">tuh\u00fd<\/a>; del\u0161\u00ed rozp\u011bt\u00ed m\u016f\u017ee zp\u016fsobit, \u017ee bude fungovat jako pru\u017en\u00fd rotor.<\/li>\n<li><strong>Meze pr\u016fhybu:<\/strong> Udr\u017eujte maxim\u00e1ln\u00ed pr\u016fhyb pod hranic\u00ed, p\u0159i kter\u00e9 doch\u00e1z\u00ed k t\u0159en\u00ed nebo po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed.<\/li>\n<li><strong>Zat\u00ed\u017een\u00ed lo\u017eisek:<\/strong> Del\u0161\u00ed rozp\u011bt\u00ed sni\u017euj\u00ed statick\u00e9 zat\u00ed\u017een\u00ed lo\u017eisek p\u0159i dan\u00e9 hmotnosti rotoru.<\/li>\n<\/ul>\n<h3>V\u00fdroba a mont\u00e1\u017e<\/h3>\n<ul>\n<li>Del\u0161\u00ed rozp\u011bt\u00ed poskytuje v\u00edce prostoru pro vyva\u017eov\u00e1n\u00ed a mont\u00e1\u017e.<\/li>\n<li>Vyrovn\u00e1n\u00ed lo\u017eisek je snaz\u0161\u00ed, kdy\u017e je rozp\u011bt\u00ed otev\u0159en\u00e9 a dob\u0159e viditeln\u00e9.<\/li>\n<li>Krat\u0161\u00ed rozp\u011bt\u00ed jsou kompaktn\u011bj\u0161\u00ed a vy\u017eaduj\u00ed m\u00e9n\u011b materi\u00e1lu na nosnou konstrukci.<\/li>\n<\/ul>\n<h2>5. Vliv na zat\u00ed\u017een\u00ed lo\u017eisek<\/h2>\n<h3>Rozlo\u017een\u00ed statick\u00e9ho zat\u00ed\u017een\u00ed<\/h3>\n<p>Rozp\u011bt\u00ed mezi lo\u017eisky ur\u010duje, jak se hmotnost rotoru a p\u016fsob\u00edc\u00ed s\u00edly rozkl\u00e1daj\u00ed mezi ob\u011b op\u011bry:<\/p>\n<ul>\n<li><strong>Longer span:<\/strong> ni\u017e\u0161\u00ed zat\u00ed\u017een\u00ed lo\u017eisek p\u0159i stejn\u00e9 hmotnosti rotoru d\u00edky del\u0161\u00edmu p\u00e1kov\u00e9mu ramenu.<\/li>\n<li><strong>Shorter span:<\/strong> vy\u0161\u0161\u00ed bodov\u00e9 zat\u00ed\u017een\u00ed, ale rovnom\u011brn\u011bj\u0161\u00ed rozlo\u017een\u00ed.<\/li>\n<li><strong>P\u0159e\u010dn\u00edvaj\u00edc\u00ed zat\u00ed\u017een\u00ed:<\/strong> \u00fa\u010dinek <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/overhung-rotor\/\">vy\u010dn\u00edvaj\u00edc\u00ed \u010d\u00e1st<\/a> se s prodlu\u017euj\u00edc\u00ed se rozp\u011bt\u00ed zvy\u0161uje.<\/li>\n<\/ul>\n<h3>Dynamick\u00e9 zat\u00ed\u017een\u00ed zp\u016fsoben\u00e9 nevyv\u00e1\u017eenost\u00ed<\/h3>\n<ul>\n<li>Dynamick\u00e9 zat\u00ed\u017een\u00ed lo\u017eisek od <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> z\u00e1le\u017e\u00ed na pr\u016fhybu.<\/li>\n<li>Del\u0161\u00ed rozp\u011bt\u00ed umo\u017e\u0148uje v\u011bt\u0161\u00ed pr\u016fhyb, co\u017e m\u016f\u017ee sn\u00ed\u017eit p\u0159en\u00e1\u0161en\u00e9 zat\u00ed\u017een\u00ed lo\u017eiska.<\/li>\n<li>Ale pr\u00e1v\u011b toto vych\u00fdlen\u00ed zvy\u0161uje amplitudu kmit\u00e1n\u00ed.<\/li>\n<li>N\u00e1vrh\u00e1\u0159 tak vol\u00ed kompromis mezi \u017eivotnost\u00ed lo\u017eiska a \u00farovn\u00ed vibrac\u00ed \u2013 rovnov\u00e1hu, kter\u00e1 je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyvazovani\/\">vyva\u017eov\u00e1n\u00ed<\/a> ve prosp\u011bch v\u0161ech t\u00edm, \u017ee omez\u00ed samotn\u00e9 buzen\u00ed.<\/li>\n<\/ul>\n<h2>6. Vztah k pr\u016fm\u011bru h\u0159\u00eddele<\/h2>\n<p>Rozp\u011bt\u00ed se nikdy nevyb\u00edr\u00e1 samostatn\u011b; je t\u0159eba jej zohlednit spole\u010dn\u011b s pr\u016fm\u011brem h\u0159\u00eddele.<\/p>\n<h3>Pom\u011br d\u00e9lky k pr\u016fm\u011bru (L\/D)<\/h3>\n<ul>\n<li><strong>L\/D &lt; 5:<\/strong> velmi tuh\u00e9, p\u0159i\u010dem\u017e chov\u00e1n\u00ed s tuh\u00fdm rotorem je b\u011b\u017en\u00e9.<\/li>\n<li><strong>5 &lt; L\/D &lt; 20:<\/strong> st\u0159edn\u00ed flexibilita, pokr\u00fdvaj\u00edc\u00ed v\u011bt\u0161inu pr\u016fmyslov\u00fdch stroj\u016f.<\/li>\n<li><strong>L\/D &gt; 20:<\/strong> vysoce flexibiln\u00ed, kde je t\u0159eba br\u00e1t v \u00favahu vlastnosti flexibiln\u00edho rotoru.<\/li>\n<\/ul>\n<h3>Strategie optimalizace<\/h3>\n<ul>\n<li><strong>Fixed span:<\/strong> zv\u00fd\u0161it pr\u016fm\u011br za \u00fa\u010delem zv\u00fd\u0161en\u00ed kritick\u00fdch ot\u00e1\u010dek.<\/li>\n<li><strong>Pevn\u00fd pr\u016fm\u011br:<\/strong> zmen\u0161it rozp\u011bt\u00ed, aby se zvedly.<\/li>\n<li><strong>Kombinovan\u00e1 optimalizace:<\/strong> nastavit tak, aby byly sou\u010dasn\u011b spln\u011bny po\u017eadavky na kritickou rychlost i pr\u016fhyb.<\/li>\n<li><strong>Praktick\u00e1 hranice:<\/strong> z d\u016fvodu omezen\u00e9ho prostoru se obvykle stanov\u00ed jedna veli\u010dina, zat\u00edmco druh\u00e1 z\u016fst\u00e1v\u00e1 jedinou volnou prom\u011bnnou.<\/li>\n<\/ul>\n<h2>7. Konfigurace s v\u00edce lo\u017eisky<\/h2>\n<h3>Standardn\u00ed dvoulo\u017eiskov\u00e1 podpora<\/h3>\n<ul>\n<li>Nejb\u011b\u017en\u011bj\u0161\u00ed uspo\u0159\u00e1d\u00e1n\u00ed.<\/li>\n<li>Syst\u00e9m je definov\u00e1n jedin\u00fdm rozp\u011bt\u00edm.<\/li>\n<li>Anal\u00fdza a n\u00e1vrh jsou jednoduch\u00e9.<\/li>\n<\/ul>\n<h3>Syst\u00e9my s v\u00edce lo\u017eisky<\/h3>\n<p>Rotory s v\u00edce ne\u017e dv\u011bma lo\u017eisky maj\u00ed v\u00edce ne\u017e jedno rozp\u011bt\u00ed, kter\u00e9 je t\u0159eba zohlednit:<\/p>\n<ul>\n<li><strong>T\u0159i lo\u017eiska:<\/strong> dv\u011b rozp\u011bt\u00ed \u2013 nap\u0159\u00edklad motor s p\u0159\u00eddavn\u00fdm st\u0159edov\u00fdm lo\u017eiskem.<\/li>\n<li><strong>\u010cty\u0159i nebo v\u00edce:<\/strong> v\u00edcepolov\u00e9 syst\u00e9my, kter\u00e9 vy\u017eaduj\u00ed slo\u017eit\u011bj\u0161\u00ed anal\u00fdzu.<\/li>\n<li><strong>Efektivn\u00ed rozp\u011bt\u00ed:<\/strong> pro pr\u00e1ce s vibracemi, ka\u017ed\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">tvar m\u00f3du<\/a> m\u016f\u017ee m\u00edt sv\u00e9 vlastn\u00ed efektivn\u00ed rozp\u011bt\u00ed.<\/li>\n<li><strong>Vz\u00e1jemn\u011b v\u00e1zan\u00e1 dynamika:<\/strong> Tyto rozp\u011bt\u00ed na sebe vz\u00e1jemn\u011b p\u016fsob\u00ed a utv\u00e1\u0159ej\u00ed celkov\u00e9 chov\u00e1n\u00ed syst\u00e9mu.<\/li>\n<\/ul>\n<h2>8. M\u011b\u0159en\u00ed, ov\u011b\u0159ov\u00e1n\u00ed a technick\u00e9 \u00fapravy<\/h2>\n<h3>Ov\u011b\u0159en\u00ed skute\u010dn\u00e9ho stavu<\/h3>\n<ul>\n<li>P\u0159i mont\u00e1\u017ei zm\u011b\u0159te skute\u010dn\u00e9 rozp\u011bt\u00ed lo\u017eiska.<\/li>\n<li>Ov\u011b\u0159te, zda odpov\u00edd\u00e1 konstruk\u010dn\u00ed specifikaci, obvykle s odchylkou \u00b15 mm.<\/li>\n<li>Zaznamenejte skute\u010dn\u00e9 rozm\u011bry pro v\u00fdpo\u010dty dynamiky rotoru.<\/li>\n<li>Zkontrolujte souosost st\u0159ednic lo\u017eisek.<\/li>\n<\/ul>\n<h3>Vliv odchylek p\u0159i instalaci<\/h3>\n<ul>\n<li>Chyby v poloze lo\u017eisek posouvaj\u00ed p\u0159edpokl\u00e1dan\u00e9 kritick\u00e9 ot\u00e1\u010dky.<\/li>\n<li>Nespr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed zp\u016fsobuje dodate\u010dn\u00e9 zat\u00ed\u017een\u00ed.<\/li>\n<li>Sed\u00e1n\u00ed z\u00e1klad\u016f m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu zm\u011bnit efektivn\u00ed rozp\u011bt\u00ed.<\/li>\n<li>Tepeln\u00e1 rozta\u017enost m\u016f\u017ee p\u0159i provozn\u00ed teplot\u011b zm\u011bnit efektivn\u00ed rozp\u011bt\u00ed.<\/li>\n<\/ul>\n<h3>Kdy upravit rozp\u011bt\u00ed lo\u017eiska<\/h3>\n<p>O p\u0159em\u00edst\u011bn\u00ed lo\u017eiska se uva\u017euje v n\u00e1sleduj\u00edc\u00edch p\u0159\u00edpadech:<\/p>\n<ul>\n<li>Stroj pracuje p\u0159\u00edli\u0161 bl\u00edzko kritick\u00e9 rychlosti.<\/li>\n<li>Nadm\u011brn\u00e9 vych\u00fdlen\u00ed h\u0159\u00eddele zp\u016fsobuj\u00edc\u00ed t\u0159en\u00ed nebo probl\u00e9my s t\u011bsn\u011bn\u00edm<\/li>\n<li>Zat\u00ed\u017een\u00ed lo\u017eisek je p\u0159\u00edli\u0161 vysok\u00e9 nebo je rozlo\u017eeno nerovnom\u011brn\u011b.<\/li>\n<li>Konstrukce se posouv\u00e1 mezi provozem s tuh\u00fdm a pru\u017en\u00fdm rotorem.<\/li>\n<\/ul>\n<h3>Probl\u00e9my spojen\u00e9 s \u00fapravou rozp\u011bt\u00ed<\/h3>\n<ul>\n<li><strong>Struktur\u00e1ln\u00ed zm\u011bny:<\/strong> m\u016f\u017ee b\u00fdt nutn\u00e9 upravit r\u00e1m nebo kryt.<\/li>\n<li><strong>Dopad na vyrovn\u00e1n\u00ed:<\/strong> Posunut\u00ed lo\u017eiska m\u00e1 vliv na vyrovn\u00e1n\u00ed s poh\u00e1n\u011bn\u00fdm za\u0159\u00edzen\u00edm.<\/li>\n<li><strong>N\u00e1klady:<\/strong> V\u00fdznamn\u00e9 n\u00e1klady na \u00fapravy mus\u00ed b\u00fdt od\u016fvodn\u011bny p\u0159\u00ednosem.<\/li>\n<li><strong>Porovn\u00e1n\u00edm po\u010d\u00e1te\u010dn\u00edho b\u011bhu s b\u011bhem pokusn\u00e9ho z\u00e1va\u017e\u00ed m\u016f\u017eeme ur\u010dit, jak rotorov\u00fd syst\u00e9m reaguje na zn\u00e1mou nevyv\u00e1\u017eenost, co\u017e je z\u00e1kladem v\u00fdpo\u010dtu koeficientu vlivu.<\/strong> k potvrzen\u00ed zlep\u0161en\u00ed je nutn\u00e9 prov\u00e9st testy \u2013 v\u010detn\u011b op\u011btovn\u00e9 kontroly zbyl\u00e9ho disbalansu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> po proveden\u00ed zm\u011bny. P\u0159enosn\u00fd analyz\u00e1tor, jako je <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> usnad\u0148uje toto ov\u011b\u0159en\u00ed t\u00edm, \u017ee p\u0159\u00edmo na m\u00edst\u011b zaznamen\u00e1v\u00e1 vibrace lo\u017eiska a chov\u00e1n\u00ed p\u0159i kritick\u00e9 rychlosti, tak\u017ee modernizaci lze schv\u00e1lit na z\u00e1klad\u011b nam\u011b\u0159en\u00fdch \u00fadaj\u016f, nikoli pouze na z\u00e1klad\u011b odhad\u016f.<\/li>\n<\/ul>\n<p>Rozp\u011bt\u00ed lo\u017eiska je z\u00e1kladn\u00ed geometrick\u00fd parametr, kter\u00fd z\u00e1sadn\u00edm zp\u016fsobem ovliv\u0148uje dynamick\u00e9 chov\u00e1n\u00ed rotoru. Jeho spr\u00e1vn\u00fd v\u00fdb\u011br p\u0159i konstrukci a p\u0159esn\u00e9 ov\u011b\u0159en\u00ed p\u0159i mont\u00e1\u017ei jsou nezbytn\u00e9 pro dosa\u017een\u00ed bezpe\u010dn\u00e9 vzd\u00e1lenosti od kritick\u00e9 rychlosti, p\u0159ijateln\u00fdch \u00farovn\u00ed vibrac\u00ed a spolehliv\u00e9ho dlouhodob\u00e9ho provozu, na nich\u017e z\u00e1vis\u00ed ka\u017ed\u00fd rotuj\u00edc\u00ed stroj.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Zjist\u011bte v\u00edce o rozte\u010di lo\u017eisek, vzd\u00e1lenosti mezi lo\u017eisky rotoru, kter\u00e1 kriticky ovliv\u0148uje tuhost h\u0159\u00eddele, kritick\u00e9 ot\u00e1\u010dky a charakteristiky pr\u016fhybu v rota\u010dn\u00edch stroj\u00edch.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-52","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/52\/revisions"}],"predecessor-version":[{"id":102151,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/52\/revisions\/102151"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}