{"id":20628,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/axial-fan-defects\/"},"modified":"2026-05-23T22:44:50","modified_gmt":"2026-05-23T22:44:50","slug":"axial-fan-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/axial-fan-defects\/","title":{"rendered":"Co jsou vady axi\u00e1ln\u00edho ventil\u00e1toru? Probl\u00e9my s lopatkami a proud\u011bn\u00edm"},"content":{"rendered":"<h1>Pochopen\u00ed vad axi\u00e1ln\u00edch ventil\u00e1tor\u016f<\/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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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\/20628?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>Vady axi\u00e1ln\u00edch ventil\u00e1tor\u016f<\/strong> jsou to poruchy typick\u00e9 pro axi\u00e1ln\u00ed ventil\u00e1tory, u nich\u017e vzduch proud\u00ed rovnob\u011b\u017en\u011b s osou h\u0159\u00eddele skrz lopatky podobn\u00e9 vrtuli <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a>. Pat\u0159\u00ed mezi n\u011b chyby \u00fahlu n\u00e1b\u011bhu lopatky, zhor\u0161en\u00ed v\u016fle na \u0161pi\u010dce lopatky, lopatka <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a> a prask\u00e1n\u00ed, poruchy uchycen\u00ed n\u00e1boje, rota\u010dn\u00ed zastaven\u00ed a aerodynamick\u00e9 rezonance. Axi\u00e1ln\u00ed ventil\u00e1tory se od odst\u0159ediv\u00fdch ventil\u00e1tor\u016f li\u0161\u00ed dr\u00e1hou proud\u011bn\u00ed a rozlo\u017een\u00edm sil, co\u017e je vystavuje specifick\u00fdm typ\u016fm poruch souvisej\u00edc\u00edm se zkroucen\u00edm lopatek, \u00fanikov\u00fdm proud\u011bn\u00edm na \u0161pi\u010dk\u00e1ch lopatek a kol\u00eds\u00e1n\u00edm axi\u00e1ln\u00edho tahu. Pat\u0159\u00ed do \u0161ir\u0161\u00ed skupiny <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fan-defects\/\">fan defects<\/a> ale vy\u017eaduj\u00ed vlastn\u00ed diagnostick\u00fd p\u0159\u00edstup.<\/p>\n<p>Axi\u00e1ln\u00ed ventil\u00e1tory se hojn\u011b vyu\u017e\u00edvaj\u00ed v syst\u00e9mech HVAC, chladic\u00edch v\u011b\u017e\u00edch, sac\u00edch ventil\u00e1torech elektr\u00e1ren a pr\u016fmyslov\u00e9m v\u011btr\u00e1n\u00ed. D\u00edky velk\u00e9mu pr\u016fm\u011bru a relativn\u011b lehk\u00fdm lopatk\u00e1m jsou obzvl\u00e1\u0161t\u011b n\u00e1chyln\u00e9 k \u00fanav\u011b materi\u00e1lu zp\u016fsoben\u00e9 vibracemi a k aerodynamick\u00e9 nestabilit\u011b \u2013 tyto probl\u00e9my se jasn\u011b projevuj\u00ed v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a> pr\u016fzkum, kdy\u017e v\u00edte, po jak\u00fdch znac\u00edch se m\u00e1te d\u00edvat.<\/p>\n<h2>1. Probl\u00e9my se sklonem a \u00fahlem lopatek<\/h2>\n<h3>Nespr\u00e1vn\u00e9 nastaven\u00ed sklonu lopatek<\/h3>\n<ul>\n<li><strong>Ventil\u00e1tory s nastaviteln\u00fdm sklonem lopatek:<\/strong> \u00fahel lopatky je nastaviteln\u00fd, co\u017e umo\u017e\u0148uje optimalizovat v\u00fdkon.<\/li>\n<li><strong>Nespr\u00e1vn\u00e9 nastaven\u00ed:<\/strong> lopatky nastaven\u00e9 v nespr\u00e1vn\u00e9m \u00fahlu vzhledem k provozn\u00edm podm\u00ednk\u00e1m.<\/li>\n<li><strong>\u00da\u010dinky:<\/strong> \u0161patn\u00fd v\u00fdkon, siln\u00e9 vibrace a sklon k zastaven\u00ed.<\/li>\n<li><strong>Nerovnom\u011brn\u00e9 nastaven\u00ed:<\/strong> lopatky s r\u016fzn\u00fdm \u00fahlem n\u00e1klonu rozkl\u00e1daj\u00ed hmotnost a aerodynamick\u00e9 zat\u00ed\u017een\u00ed nerovnom\u011brn\u011b, \u010d\u00edm\u017e vznik\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a>.<\/li>\n<\/ul>\n<h3>Deformace zkroucen\u00edm lopatky<\/h3>\n<ul>\n<li>Lopatky trvale zdeformovan\u00e9 aerodynamick\u00fdm nebo odst\u0159ediv\u00fdm nam\u00e1h\u00e1n\u00edm.<\/li>\n<li>Zm\u011bn\u011bn\u00e9 \u00fahly proud\u011bn\u00ed, kter\u00e9 zhor\u0161uj\u00ed v\u00fdkon.<\/li>\n<li>Asymetrick\u00fd z\u00e1krut, kter\u00fd zp\u016fsobuje nevyv\u00e1\u017eenost.<\/li>\n<li>Tepeln\u00e9 deformace zp\u016fsoben\u00e9 teplotn\u00edmi gradienty v rotoru.<\/li>\n<\/ul>\n<h2>2. Probl\u00e9my s v\u016fl\u00ed hrotu<\/h2>\n<h3>Pro\u010d je mezera na spon\u010d\u00edch lopatek u axi\u00e1ln\u00edch ventil\u00e1tor\u016f tak d\u016fle\u017eit\u00e1<\/h3>\n<ul>\n<li>Proud vzduchu p\u0159et\u00e9k\u00e1 p\u0159es \u0161pi\u010dky lopatek a vytv\u00e1\u0159\u00ed \u0161pi\u010dkov\u00e9 v\u00edry.<\/li>\n<li>\u00da\u010dinnost je velmi citliv\u00e1 na v\u016fli hrotu.<\/li>\n<li>Ka\u017ed\u00e9 1% zv\u00fd\u0161en\u00ed v\u016fle znamen\u00e1 pokles \u00fa\u010dinnosti p\u0159ibli\u017en\u011b o 1\u20132 %.<\/li>\n<li>V\u016fle m\u00e1 rovn\u011b\u017e vliv na vibrace a akustick\u00e9 vlastnosti.<\/li>\n<\/ul>\n<h3>Nadm\u011brn\u00e1 v\u016fle<\/h3>\n<ul>\n<li><strong>P\u0159\u00ed\u010diny:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/wear\/\">opot\u0159eben\u00ed<\/a>, deformace pouzdra, pr\u016fhyb lopatky a teplotn\u00ed rozta\u017enost.<\/li>\n<li><strong>\u00da\u010dinky:<\/strong> sn\u00ed\u017een\u00ed v\u00fdkonu, siln\u011bj\u0161\u00ed v\u00edry na spon\u010d\u00edch lopatek a zv\u00fd\u0161en\u00e9 vibrace.<\/li>\n<li><strong>Typick\u00e9 nov\u00e9 v\u016fle:<\/strong> 0,5&ndash;1,5 % rozp\u011bt\u00ed lopatky.<\/li>\n<li><strong>Nutn\u00fd z\u00e1sah:<\/strong> Pokud je pr\u016fhyb v\u011bt\u0161\u00ed ne\u017e 3 %, znamen\u00e1 to, \u017ee ventil\u00e1tor je t\u0159eba vym\u011bnit nebo opravit.<\/li>\n<\/ul>\n<h3>Ot\u00edr\u00e1n\u00ed \u0161pi\u010dek lopatek<\/h3>\n<ul>\n<li>\u0160pi\u010dky lopatek se dot\u00fdkaj\u00ed sk\u0159\u00edn\u011b.<\/li>\n<li>Zp\u016fsobeno nadm\u011brn\u00fdm <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a>, tepeln\u00e9 rozta\u017een\u00ed nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a>.<\/li>\n<li>Zp\u016fsobuje hluk, vibrace a po\u0161kozen\u00ed lopatek \u2013 jedn\u00e1 se o lok\u00e1ln\u00ed formu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-rub\/\">t\u0159en\u00ed rotoru<\/a>.<\/li>\n<li>Na lopatk\u00e1ch jsou patrn\u00e9 stopy opot\u0159eben\u00ed jak na \u0161pi\u010dk\u00e1ch lopatek, tak na krytu.<\/li>\n<\/ul>\n<h2>3. Struktur\u00e1ln\u00ed vady \u010depele<\/h2>\n<h3>\u00danavov\u00e9 trhliny<\/h3>\n<ul>\n<li><strong>Um\u00edst\u011bn\u00ed:<\/strong> ko\u0159en lopatky (v m\u00edst\u011b p\u0159ipojen\u00ed k n\u00e1boji) a n\u00e1b\u011b\u017en\u00e1 hrana.<\/li>\n<li><strong>P\u0159\u00ed\u010dina:<\/strong> st\u0159\u00eddav\u00e1 aerodynamick\u00e1 zat\u00ed\u017een\u00ed, vibrace a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-resonance\/\">rezonance lopatek<\/a>.<\/li>\n<li><strong>Detekce:<\/strong> kapil\u00e1rn\u00ed penetra\u010dn\u00ed, magnetick\u00e1 pr\u00e1\u0161kov\u00e1 nebo ultrazvukov\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/non-destructive-testing\/\">nedestruktivn\u00ed zkou\u0161en\u00ed<\/a>.<\/li>\n<li><strong>Kriti\u010dnost:<\/strong> Pokud z\u016fstane nepozorov\u00e1na, m\u016f\u017ee \u00fanavov\u00e1 trhlina v\u00e9st k odtr\u017een\u00ed lopatky \u2013 k odhozen\u00ed cel\u00e9 lopatky.<\/li>\n<\/ul>\n<h3>Selh\u00e1n\u00ed upevn\u011bn\u00ed \u010depele<\/h3>\n<ul>\n<li>V m\u00edst\u011b spoje lopatky s n\u00e1bojem doch\u00e1z\u00ed k prask\u00e1n\u00ed svar\u016f.<\/li>\n<li>Uvol\u0148uj\u00edc\u00ed se \u0161roubov\u00e9 spoje.<\/li>\n<li>Trhliny v ko\u0159enov\u00e9m zaoblen\u00ed.<\/li>\n<li>Postupn\u00e9 selh\u00e1n\u00ed, pokud nen\u00ed tato vada v\u010das odhalena.<\/li>\n<\/ul>\n<h2>4. Aerodynamick\u00e9 nestability<\/h2>\n<h3>Rotuj\u00edc\u00ed odtr\u017een\u00ed proud\u011bn\u00ed<\/h3>\n<ul>\n<li>Odtr\u017een\u00ed proudu, kter\u00e9 se tvo\u0159\u00ed na n\u011bkter\u00fdch lopatk\u00e1ch a ob\u00edh\u00e1 kolem prstence.<\/li>\n<li>Produces <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sub-synchronous\/\">subsynchronn\u00ed<\/a> vibrace p\u0159i 0,2\u20130,5&times; ot\u00e1\u010dk\u00e1ch rotoru.<\/li>\n<li>K tomu doch\u00e1z\u00ed p\u0159i n\u00edzk\u00e9m pr\u016ftoku nebo p\u0159i vysok\u00e9m vstupn\u00edm odporu.<\/li>\n<li>M\u016f\u017ee b\u00fdt prudk\u00e1 a po\u0161kodit lopatky.<\/li>\n<\/ul>\n<h3>T\u0159epet\u00e1n\u00ed<\/h3>\n<ul>\n<li>Samovoln\u00e9 kmit\u00e1n\u00ed lopatky zp\u016fsoben\u00e9 aeroelastick\u00fdm vazebn\u00edm jevem \u2014 forma <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/self-excited-vibration\/\">samobuzen\u00e9 vibrace<\/a>.<\/li>\n<li>Pohyb lopatky m\u011bn\u00ed proud\u011bn\u00ed vzduchu a proud\u011bn\u00ed vzduchu zase poh\u00e1n\u00ed pohyb lopatky.<\/li>\n<li>Vyskytuje se na lopatce&#8217;s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a>.<\/li>\n<li>M\u016f\u017ee zp\u016fsobit rychl\u00e9 po\u0161kozen\u00ed lopatky.<\/li>\n<li>Vyskytuje se z\u0159\u00eddka, ale kdy\u017e k tomu dojde, m\u00e1 katastrof\u00e1ln\u00ed n\u00e1sledky.<\/li>\n<\/ul>\n<h2>5. Charakteristiky vibrac\u00ed<\/h2>\n<h3>Frekvence pr\u016fchodu lopatek<\/h3>\n<ul>\n<li><strong>V\u00fdpo\u010det:<\/strong> BPF = po\u010det lopatek &times; ot\u00e1\u010dky za minutu \/ 60. Tuto hodnotu m\u016f\u017eete okam\u017eit\u011b vypo\u010d\u00edtat pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/blade-pass-frequency\/\">Kalkula\u010dka frekvence pr\u016fchodu lopatek<\/a>.<\/li>\n<li><strong>Axi\u00e1ln\u00ed ventil\u00e1tory:<\/strong> na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> je \u010dasto v\u00fdrazn\u011bj\u0161\u00ed \u2013 v\u00edce ne\u017e u odst\u0159ediv\u00fdch ventil\u00e1tor\u016f.<\/li>\n<li><strong>Zv\u00fd\u0161en\u00e1 amplituda:<\/strong> nazna\u010duje probl\u00e9my s v\u016fl\u00ed hrot\u016f, po\u0161kozen\u00ed lopatek nebo pot\u00ed\u017ee s proud\u011bn\u00edm.<\/li>\n<li><strong>Harmonick\u00e9:<\/strong> multiple BPF <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/harmonics\/\">harmonick\u00e9<\/a> nazna\u010duj\u00ed probl\u00e9my s lopatkou nebo pr\u016ftokem.<\/li>\n<\/ul>\n<h3>Nevyv\u00e1\u017eenost<\/h3>\n<ul>\n<li>Je zp\u016fsobeno n\u00e1nosy na lopatk\u00e1ch, eroz\u00ed nebo nerovnom\u011brnost\u00ed \u00fahlu n\u00e1b\u011bhu.<\/li>\n<li>Projevuje se jako slo\u017eka na 1&times; ot\u00e1\u010dkov\u00e9 frekvenci.<\/li>\n<li>Correctable by <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> se z\u00e1va\u017e\u00edmi namontovan\u00fdmi na lopatk\u00e1ch.<\/li>\n<\/ul>\n<h3>Vibrace souvisej\u00edc\u00ed s odd\u011blen\u00edm proudu<\/h3>\n<ul>\n<li>Subsynchronn\u00ed slo\u017eky v rozsahu 0,2&ndash;0,5&times;.<\/li>\n<li>N\u00e1hodn\u00e1, kol\u00edsaj\u00edc\u00ed amplituda.<\/li>\n<li>Zv\u00fd\u0161en\u00ed \u0161umu v \u0161irokop\u00e1smov\u00e9m sign\u00e1lu.<\/li>\n<li>Zmiz\u00ed, jakmile se pr\u016ftok zv\u00fd\u0161\u00ed \u2013 u\u017eite\u010dn\u00fd potvrzuj\u00edc\u00ed test.<\/li>\n<\/ul>\n<h2>6. Detekce a monitorov\u00e1n\u00ed<\/h2>\n<h3>Anal\u00fdza vibrac\u00ed<\/h3>\n<ul>\n<li>Standardn\u00ed monitorov\u00e1n\u00ed vibrac\u00ed lo\u017eisek.<\/li>\n<li>V\u00fdvoj amplitudy BPF v \u010dase.<\/li>\n<li>Sledov\u00e1n\u00ed subsynchronn\u00edch slo\u017eek signalizuj\u00edc\u00edch odtr\u017een\u00ed proudu (stall).<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/axial-vibration\/\">Axi\u00e1ln\u00ed vibrace<\/a> m\u011b\u0159en\u00ed za \u00fa\u010delem zachycen\u00ed kol\u00eds\u00e1n\u00ed tahu.<\/li>\n<\/ul>\n<h3>Monitorov\u00e1n\u00ed v\u00fdkonu<\/h3>\n<ul>\n<li>M\u011b\u0159en\u00ed pr\u016ftoku vzduchu metodou m\u011b\u0159en\u00ed tlakov\u00e9ho rozd\u00edlu.<\/li>\n<li>V\u00fdvoj spot\u0159eby energie.<\/li>\n<li>V\u00fdpo\u010det \u00fa\u010dinnosti.<\/li>\n<li>Porovn\u00e1n\u00ed s n\u00e1vrhem nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/baseline\/\">z\u00e1kladn\u00ed linie<\/a> performance.<\/li>\n<\/ul>\n<h3>Inspekce<\/h3>\n<ul>\n<li>Vizu\u00e1ln\u00ed kontrola lopatek z hlediska prasklin, eroze a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/corrosion\/\">koroze<\/a>.<\/li>\n<li>Kontrola \u00fahlu n\u00e1b\u011bhu lopatky.<\/li>\n<li>M\u011b\u0159en\u00ed v\u016fle hrotu.<\/li>\n<li>Kontrola n\u00e1boje a upev\u0148ovac\u00edch bod\u016f.<\/li>\n<li>Nedestruktivn\u00ed zkou\u0161en\u00ed pro detekci trhlin v kritick\u00fdch ventil\u00e1torech.<\/li>\n<\/ul>\n<h2>7. Vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b a mezn\u00ed hodnoty vibrac\u00ed<\/h2>\n<p>Vzhledem k tomu, \u017ee axi\u00e1ln\u00ed ventil\u00e1tor b\u011b\u017e\u00ed na vlastn\u00edch lo\u017eisc\u00edch, je praktick\u00fdm zp\u016fsobem, jak se vypo\u0159\u00e1dat s dominantn\u00ed 1\u00d7 nevyv\u00e1\u017eenost\u00ed, vyv\u00e1\u017een\u00ed p\u0159\u00edmo na m\u00edst\u011b sp\u00ed\u0161e ne\u017e demont\u00e1\u017e rotoru. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed 1&times; <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">amplituda a f\u00e1ze<\/a> p\u0159i provozn\u00ed rychlosti vypo\u010d\u00edt\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/influence-coefficient\/\">koeficienty vlivu<\/a> ventil\u00e1toru a ud\u00e1v\u00e1 hmotnost a \u00fahel <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/correction-weight\/\">korek\u010dn\u00ed hmotnost<\/a> k lopatk\u00e1m. N\u00e1sledn\u011b porovn\u00e1 v\u00fdsledek s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/residual-unbalance\/\">zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> tolerance. U t\u0159\u00edd p\u0159ijet\u00ed a kvality vyv\u00e1\u017een\u00ed se velk\u00e9 pr\u016fmyslov\u00e9 ventil\u00e1tory \u0159\u00edd\u00ed konkr\u00e9tn\u011b podle <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/iso-14694\/\">ISO 14694<\/a>, zat\u00edmco celkov\u00e1 intenzita vibrac\u00ed na lo\u017eiskov\u00fdch sk\u0159\u00edn\u00edch se posuzuje podle modern\u00edch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/iso-20816-3\/\">ISO 20816-3<\/a> (norma, kter\u00e1 nahradila normu ISO 10816-3).<\/p>\n<h2>8. \u00dadr\u017eba a opravy<\/h2>\n<h3>\u00dadr\u017eba \u010depele<\/h3>\n<ul>\n<li>Odstra\u0148te usazeniny z lopatek a pot\u00e9 prove\u010fte nov\u00e9 vyv\u00e1\u017een\u00ed.<\/li>\n<li>Opravte drobn\u00e1 po\u0161kozen\u00ed zp\u016fsoben\u00e1 eroz\u00ed a koroz\u00ed.<\/li>\n<li>Vym\u011b\u0148te praskl\u00e9 nebo siln\u011b po\u0161kozen\u00e9 lopatky.<\/li>\n<li>Zkontrolujte, zda jsou v\u0161echny lopatky nastaveny na stejn\u00fd \u00fahel n\u00e1b\u011bhu.<\/li>\n<li>Zkontrolujte a dota\u017ete \u0161rouby upev\u0148uj\u00edc\u00ed lopatky.<\/li>\n<\/ul>\n<h3>Obnova v\u016fle<\/h3>\n<ul>\n<li>V m\u00edstech s p\u0159\u00edli\u0161 velkou v\u016fl\u00ed p\u0159idejte kryc\u00ed krou\u017eky nebo t\u011bsn\u011bn\u00ed hrotu.<\/li>\n<li>Upravte sk\u0159\u00ed\u0148 tak, aby se zmen\u0161il jej\u00ed pr\u016fm\u011br.<\/li>\n<li>Vym\u011b\u0148te ventil\u00e1tor, pokud je to z ekonomick\u00e9ho hlediska opodstatn\u011bn\u00e9.<\/li>\n<\/ul>\n<h3>\u0158\u00edzen\u00ed provozn\u00edho bodu<\/h3>\n<ul>\n<li>Nastavte odpor syst\u00e9mu tak, aby ventil\u00e1tor pracoval v bl\u00edzkosti sv\u00e9ho jmenovit\u00e9ho bodu.<\/li>\n<li>Pro optim\u00e1ln\u00ed p\u0159izp\u016fsoben\u00ed pou\u017eijte regulaci ot\u00e1\u010dek.<\/li>\n<li>Vyhn\u011bte se provozu v oblasti sr\u00e1\u017eky.<\/li>\n<li>K regulaci rozsahu v\u00fdkonu pou\u017eijte ovl\u00e1d\u00e1n\u00ed vstupn\u00edch lopatek nebo klapky.<\/li>\n<\/ul>\n<p>Poruchy axi\u00e1ln\u00edch ventil\u00e1tor\u016f v sob\u011b spojuj\u00ed b\u011b\u017en\u00e9 probl\u00e9my rota\u010dn\u00edch stroj\u016f s aerodynamick\u00fdmi jevy, kter\u00e9 jsou typick\u00e9 pro za\u0159\u00edzen\u00ed s axi\u00e1ln\u00edm proud\u011bn\u00edm. Porozum\u011bn\u00ed konstruk\u010dn\u00edm probl\u00e9m\u016fm lopatek, v\u00fdznamu v\u016fle na \u0161pi\u010dk\u00e1ch a nestabilit\u00e1m, jako je rota\u010dn\u00ed sr\u00e1\u017eka, spolu s vhodn\u00fdm monitorov\u00e1n\u00edm vibrac\u00ed a testov\u00e1n\u00edm v\u00fdkonu zaji\u0161\u0165uje spolehliv\u00fd provoz t\u011bchto nezbytn\u00fdch za\u0159\u00edzen\u00ed pro pohyb vzduchu v pr\u016fmyslov\u00e9m prost\u0159ed\u00ed.<\/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>Seznamte se s vadami axi\u00e1ln\u00edch ventil\u00e1tor\u016f, v\u010detn\u011b po\u0161kozen\u00ed lopatek, probl\u00e9m\u016f s v\u016fl\u00ed hrotu, zastaven\u00ed a aerodynamick\u00e9 nestability specifick\u00e9 pro konstrukce axi\u00e1ln\u00edch ventil\u00e1tor\u016f.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20628","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20628","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":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20628\/revisions"}],"predecessor-version":[{"id":101351,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20628\/revisions\/101351"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=20628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=20628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=20628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}