{"id":115,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/fan-defects\/"},"modified":"2026-05-23T22:42:58","modified_gmt":"2026-05-23T22:42:58","slug":"fan-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/fan-defects\/","title":{"rendered":"Co jsou vady ventil\u00e1tor\u016f? B\u011b\u017en\u00e9 poruchy a diagnostika"},"content":{"rendered":"<h1>Pochopen\u00ed vad 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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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\/115?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 ventil\u00e1toru<\/strong> mezi poruchy, kter\u00e9 se vyskytuj\u00ed u pr\u016fmyslov\u00fdch ventil\u00e1tor\u016f a dmychadel, pat\u0159\u00ed: po\u0161kozen\u00ed lopatek, jako jsou praskliny, eroze a usazov\u00e1n\u00ed materi\u00e1lu; <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> zp\u016fsoben\u00e9 ztr\u00e1tou nebo nahromad\u011bn\u00edm materi\u00e1lu; aerodynamick\u00e9 nestability, jako je odtr\u017een\u00ed proud\u011bn\u00ed a aerodynamick\u00fd p\u0159eraz; konstruk\u010dn\u00ed probl\u00e9my, jako jsou uvoln\u011bn\u00e9 lopatky a praskl\u00e9 n\u00e1boje; a poruchy lo\u017eisek a hnac\u00edch \u00fastroj\u00ed, kter\u00e9 jsou b\u011b\u017en\u00e9 u v\u0161ech rotuj\u00edc\u00edch za\u0159\u00edzen\u00ed. Ka\u017ed\u00e1 z nich zanech\u00e1v\u00e1 charakteristick\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> charakteristick\u00fd rys, v n\u011bm\u017e obvykle p\u0159evl\u00e1d\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> a jejich harmonick\u00e9, spolu s vibracemi zp\u016fsoben\u00fdmi nevyv\u00e1\u017eenost\u00ed a n\u00edzkofrekven\u010dn\u00edmi aerodynamick\u00fdmi pulzacemi. Vzhledem k tomu, \u017ee ventil\u00e1tory se v pr\u016fmyslu vyskytuj\u00ed v\u0161ude \u2013 v oblasti vzduchotechniky, procesn\u00edho chlazen\u00ed, p\u0159\u00edvodu spalovac\u00edho vzduchu i manipulace s materi\u00e1lem \u2013, maj\u00ed jejich poruchy dopad na v\u00fdrobu, bezpe\u010dnost (v\u011btr\u00e1n\u00ed) i energetickou \u00fa\u010dinnost, co\u017e \u010din\u00ed rozpozn\u00e1v\u00e1n\u00ed poruch specifick\u00fdch pro ventil\u00e1tory a techniky pou\u017e\u00edvan\u00e9 k jejich monitorov\u00e1n\u00ed kl\u00ed\u010dovou dovednost\u00ed v oblasti spolehlivosti.<\/p>\n<h2>1. Definice: Co jsou poruchy ventil\u00e1toru?<\/h2>\n<p>Ventil\u00e1tor je na prvn\u00ed pohled jednoduch\u00fd stroj \u2013 kolo s lopatkami na h\u0159\u00eddeli \u2013, p\u0159esto se nach\u00e1z\u00ed na pomez\u00ed dvou sv\u011bt\u016f. Stejn\u011b jako ka\u017ed\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a> trp\u00ed mechanick\u00fdmi poruchami, jako je nevyv\u00e1\u017eenost, opot\u0159eben\u00ed lo\u017eisek a v\u016fle; z\u00e1rove\u0148 v\u0161ak p\u0159em\u00eds\u0165uje plyn (vzduch), a proto je vystaven <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/aerodynamic-forces\/\">aerodynamick\u00e9 s\u00edly<\/a> kter\u00e9 se u \u010dist\u011b mechanick\u00fdch stroj\u016f nevyskytuj\u00ed. Um\u011bn\u00ed diagnostiky ventil\u00e1tor\u016f spo\u010d\u00edv\u00e1 v tom, rozli\u0161it tyto dva typy poruch, proto\u017ee \u0159e\u0161en\u00ed mechanick\u00e9 z\u00e1vady (vyv\u00e1\u017een\u00ed, v\u00fdm\u011bna, dota\u017een\u00ed) se zcela li\u0161\u00ed od \u0159e\u0161en\u00ed z\u00e1vady aerodynamick\u00e9 (zm\u011bna provozn\u00edho bodu nebo potrub\u00ed). V\u010dasn\u00e9 odhalen\u00ed z\u00e1vad je tak\u00e9 d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e obvykle: uvoln\u011bn\u00e1 lopatka nebo po\u0161kozen\u00fd n\u00e1boj u velk\u00e9ho ventil\u00e1toru mohou m\u00edt skute\u010dn\u011b katastrof\u00e1ln\u00ed n\u00e1sledky.<\/p>\n<h2>2. \u010cast\u00e9 z\u00e1vady ventil\u00e1tor\u016f<\/h2>\n<h3>2.1 Po\u0161kozen\u00ed lopatek a eroze<\/h3>\n<h4>Usazov\u00e1n\u00ed materi\u00e1lu<\/h4>\n<ul>\n<li><strong>P\u0159\u00ed\u010dina:<\/strong> Prach, okuje nebo procesn\u00ed materi\u00e1l hromad\u00edc\u00ed se na lopatk\u00e1ch<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> zp\u016fsobuje hmotnostn\u00ed nevyv\u00e1\u017eenost a naru\u0161uje aerodynamiku.<\/li>\n<li><strong>P\u0159\u00edznak:<\/strong> postupn\u011b s\u00edl\u00edc\u00ed vibrace o frekvenci 1\u00d7 v pr\u016fb\u011bhu \u010dasu.<\/li>\n<li><strong>Typick\u00e9 u:<\/strong> ventil\u00e1tory pro manipulaci s materi\u00e1lem a odvod procesn\u00edch plyn\u016f.<\/li>\n<li><strong>\u0158e\u0161en\u00ed:<\/strong> pravideln\u00e9 \u010di\u0161t\u011bn\u00ed a p\u0159edb\u011b\u017en\u00e1 filtrace.<\/li>\n<\/ul>\n<h4>Eroze a opot\u0159eben\u00ed<\/h4>\n<ul>\n<li><strong>P\u0159\u00ed\u010dina:<\/strong> abrazivn\u00ed \u010d\u00e1stice, kter\u00e9 opot\u0159ebov\u00e1vaj\u00ed povrch lopatek.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> materi\u00e1ln\u00ed ztr\u00e1ty zp\u016fsobuj\u00edc\u00ed d\u00edsbalans a zhor\u0161uj\u00edc\u00ed v\u00fdkon.<\/li>\n<li><strong>Vzor:<\/strong> obvykle asymetrick\u00e9, p\u0159i\u010dem\u017e p\u0159edn\u00ed hrana se opot\u0159ebov\u00e1v\u00e1 rychleji ne\u017e zadn\u00ed hrana.<\/li>\n<li><strong>Detekce:<\/strong> zvy\u0161uj\u00edc\u00ed se 1\u00d7 vibrace a sn\u00ed\u017een\u00fd v\u00fdkon.<\/li>\n<\/ul>\n<h4>Koroze<\/h4>\n<ul>\n<li>Chemick\u00e9 p\u016fsoben\u00ed na materi\u00e1l lopatky.<\/li>\n<li>Zp\u016fsobuje d\u016flkovou korozi a \u00fabytek materi\u00e1lu.<\/li>\n<li>Sni\u017euje pevnost lopatky.<\/li>\n<li>M\u016f\u017ee doj\u00edt ke vzniku trhlin a nakonec k selh\u00e1n\u00ed lopatky.<\/li>\n<\/ul>\n<h4>Blade cracks<\/h4>\n<ul>\n<li><strong>M\u00edsta:<\/strong> ko\u0159en lopatky (upevn\u011bn\u00ed k n\u00e1boji), n\u00e1b\u011b\u017en\u00e1 hrana a svarov\u00e9 spoje.<\/li>\n<li><strong>P\u0159\u00ed\u010diny:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fatigue\/\">\u00fanava<\/a>, koroze, n\u00e1razy a vibrace.<\/li>\n<li><strong>P\u0159\u00edznaky:<\/strong> m\u011bn\u00edc\u00ed se vibra\u010dn\u00ed vzorec, n\u011bkdy s nar\u016fstaj\u00edc\u00ed slo\u017ekou 2\u00d7.<\/li>\n<li><strong>Nebezpe\u010d\u00ed:<\/strong> m\u016f\u017ee v\u00e9st k \u00fapln\u00e9mu odtr\u017een\u00ed lopatky.<\/li>\n<\/ul>\n<h4>Chyb\u011bj\u00edc\u00ed nebo zlomen\u00e9 lopatky<\/h4>\n<ul>\n<li>V\u00fdrazn\u00fd d\u00edsbalans zp\u016fsoben\u00fd nyn\u00ed asymetrick\u00fdm uspo\u0159\u00e1d\u00e1n\u00edm lopatek.<\/li>\n<li>Velmi siln\u00e9 vibrace 1\u00d7.<\/li>\n<li>Abnorm\u00e1ln\u00ed pr\u016fb\u011bh frekvence pr\u016fchodu lopatek.<\/li>\n<li>Bezprost\u0159edn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shutdown\/\">vypnut\u00ed<\/a> a je nutn\u00e1 oprava.<\/li>\n<\/ul>\n<h3>2.2 Nevyv\u00e1\u017eenost<\/h3>\n<p>Zdaleka nej\u010dast\u011bj\u0161\u00ed probl\u00e9m s vibracemi ventil\u00e1toru:<\/p>\n<ul>\n<li><strong>Zdroje:<\/strong> n\u00e1nosy, eroze, v\u00fdrobn\u00ed tolerance a po\u0161kozen\u00ed lopatek.<\/li>\n<li><strong>Signatura:<\/strong> 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/synchronous-vibration\/\">synchronn\u00ed<\/a> vibrace.<\/li>\n<li><strong>Oprava:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> je obvykle efektivn\u00ed.<\/li>\n<li><strong>Opakuj\u00edc\u00ed se:<\/strong> pokud se probl\u00e9m st\u00e1le vrac\u00ed, je t\u0159eba \u0159e\u0161it jeho p\u0159\u00ed\u010dinu (erozi nebo zdroj n\u00e1nos\u016f), a ne jen jeho projevy.<\/li>\n<\/ul>\n<h3>2.3 Aerodynamick\u00e9 nestability<\/h3>\n<h4>Aerodynamick\u00fd odtok (stall)<\/h4>\n<ul>\n<li>P\u0159i provozn\u00edch podm\u00ednk\u00e1ch mimo jmenovit\u00fd rozsah doch\u00e1z\u00ed k odtr\u017een\u00ed proud\u011bn\u00ed vzduchu od povrch\u016f lopatek.<\/li>\n<li>N\u00e1hodn\u00e9, turbulentn\u00ed proud\u011bn\u00ed vyvol\u00e1vaj\u00edc\u00ed \u0161irokop\u00e1smov\u00e9 vibrace.<\/li>\n<li>Sn\u00ed\u017een\u00e1 \u00fa\u010dinnost a v\u00fdkon.<\/li>\n<li>\u010casto se vyskytuje p\u0159i n\u00edzk\u00fdch pr\u016ftoc\u00edch nebo vysok\u00e9m vstupn\u00edm odporu.<\/li>\n<\/ul>\n<h4>Aerodynamick\u00fd z\u00e1raz (surge)<\/h4>\n<ul>\n<li>Pravideln\u00e9 obr\u00e1cen\u00ed toku v cel\u00e9m syst\u00e9mu.<\/li>\n<li>Velmi n\u00edzk\u00e1 frekvence (pod 5 Hz), av\u0161ak siln\u00e9 pulzace.<\/li>\n<li>M\u016f\u017ee doj\u00edt k po\u0161kozen\u00ed ventil\u00e1toru a potrub\u00ed.<\/li>\n<li>K odstran\u011bn\u00ed tohoto probl\u00e9mu jsou obvykle nutn\u00e9 \u00fapravy syst\u00e9mu.<\/li>\n<\/ul>\n<h3>2.4 Konstruk\u010dn\u00ed a mechanick\u00e9 probl\u00e9my<\/h3>\n<ul>\n<li><strong>Loose blades:<\/strong> po\u0161kozen\u00e9 stav\u011bc\u00ed \u0161rouby nebo svary, kter\u00e9 zp\u016fsobuj\u00ed vznik v\u00edce harmonick\u00fdch.<\/li>\n<li><strong>Praskl\u00fd n\u00e1boj:<\/strong> selh\u00e1n\u00ed konstrukce n\u00e1boje \u2014 s potenci\u00e1ln\u011b katastrof\u00e1ln\u00edmi n\u00e1sledky.<\/li>\n<li><strong>Worn shaft:<\/strong> umo\u017e\u0148uje posun ventil\u00e1torov\u00e9ho kola, \u010d\u00edm\u017e vznik\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/run-out\/\">h\u00e1zen\u00ed<\/a>.<\/li>\n<li><strong>Rezonance sk\u0159\u00edn\u011b:<\/strong> rezonance sk\u0159\u00edn\u011b nebo potrub\u00ed na frekvenci BPF nebo na jedn\u00e9 z jej\u00edch harmonick\u00fdch, co\u017e je forma <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/structural-resonance\/\">struktur\u00e1ln\u00ed rezonance<\/a>.<\/li>\n<\/ul>\n<h3>2.5 Probl\u00e9my s pohonem a lo\u017eisky<\/h3>\n<ul>\n<li>Probl\u00e9my s \u0159emenov\u00fdm pohonem \u2014 opot\u0159eben\u00ed, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a>, nespr\u00e1vn\u00e9 napnut\u00ed.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-defects\/\">Poruchy lo\u017eisek<\/a>, k \u010demu\u017e doch\u00e1z\u00ed zejm\u00e9na v pra\u0161n\u00e9m nebo hork\u00e9m prost\u0159ed\u00ed.<\/li>\n<li>Probl\u00e9my se spojkami, jako je nesouosost a opot\u0159eben\u00ed.<\/li>\n<li>Poruchy motoru, kter\u00e9 naru\u0161uj\u00ed chod ventil\u00e1toru.<\/li>\n<\/ul>\n<h2>3. Charakteristika vibrac\u00ed<\/h2>\n<h3>Frekvence pr\u016fchodu lopatkou (BPF)<\/h3>\n<p>Kl\u00ed\u010dov\u00e1 frekvence specifick\u00e1 pro dan\u00fd ventil\u00e1tor:<\/p>\n<ul>\n<li><strong>V\u00fdpo\u010det:<\/strong> BPF = po\u010det lopatek \u00d7 ot\u00e1\u010dky za minutu \/ 60.<\/li>\n<li><strong>P\u0159\u00edklad:<\/strong> 12lopatkov\u00fd ventil\u00e1tor s ot\u00e1\u010dkami 1 200 ot.\/min. poskytuje frekvenci BPF 240 Hz.<\/li>\n<li><strong>Norm\u00e1ln\u00ed amplituda:<\/strong> z\u00e1le\u017e\u00ed na typu ventil\u00e1toru \u2013 axi\u00e1ln\u00ed ventil\u00e1tory vytv\u00e1\u0159\u00ed vy\u0161\u0161\u00ed vibra\u010dn\u00ed amplitudu ne\u017e odst\u0159ediv\u00e9.<\/li>\n<li><strong>Zv\u00fd\u0161en\u00fd BPF:<\/strong> nazna\u010duje po\u0161kozen\u00ed lopatky, probl\u00e9my s v\u016fl\u00ed nebo aerodynamick\u00e9 pot\u00ed\u017ee.<\/li>\n<li><strong>Harmonick\u00e9:<\/strong> Hodnoty 2\u00d7BPF a 3\u00d7BPF signalizuj\u00ed probl\u00e9my s lopatkami nebo rezonance.<\/li>\n<\/ul>\n<p>V\u00fdpo\u010det se d\u00e1 rychle prov\u00e9st ru\u010dn\u011b, ale specializovan\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/blade-pass-frequency\/\">Kalkul\u00e1tor frekvence pr\u016fchodu lopatkou<\/a> vylu\u010duje jak\u00e9koli pochybnosti o tom, kter\u00fd spektr\u00e1ln\u00ed p\u00edk p\u0159edstavuje BPF a kter\u00fd je pouze n\u00e1hodn\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/harmonics\/\">harmonick\u00e1<\/a> provozn\u00ed rychlosti.<\/p>\n<h3>Nevyv\u00e1\u017eenost (1\u00d7)<\/h3>\n<ul>\n<li>Nej\u010dast\u011bj\u0161\u00ed slo\u017eka s vysokou amplitudou.<\/li>\n<li>Zvy\u0161uje se v d\u016fsledku n\u00e1nos\u016f nebo eroze.<\/li>\n<li>Lze napravit vyv\u00e1\u017een\u00edm.<\/li>\n<li>Probl\u00e9m se m\u016f\u017ee opakovat, pokud nebude odstran\u011bna jeho p\u0159\u00ed\u010dina.<\/li>\n<\/ul>\n<h3>Aerodynamick\u00e9 pulzace<\/h3>\n<ul>\n<li><strong>Separace proud\u011bn\u00ed:<\/strong> n\u00e1r\u016fst v \u0161irokop\u00e1smov\u00e9m spektru s n\u00e1hodn\u00fdmi v\u00fdkyvy.<\/li>\n<li><strong>Pompa\u017e:<\/strong> siln\u00e9 pulzace v rozsahu 1\u20135 Hz.<\/li>\n<li><strong>Turbulence:<\/strong> \u0161irokop\u00e1smov\u00e9 a n\u00edzkofrekven\u010dn\u00ed, p\u0159ibli\u017en\u011b 10\u2013100 Hz \u2014 viz <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/flow-turbulence\/\">turbulence proud\u011bn\u00ed<\/a>.<\/li>\n<\/ul>\n<h2>4. Specifick\u00e9 aspekty t\u00fdkaj\u00edc\u00ed se ventil\u00e1tor\u016f<\/h2>\n<h3>Typy ventil\u00e1tor\u016f a jejich charakteristick\u00e9 poruchy<\/h3>\n<h4>Odst\u0159ediv\u00e9 ventil\u00e1tory<\/h4>\n<ul>\n<li>Nej\u010dast\u011bj\u0161\u00edm probl\u00e9mem je nevyv\u00e1\u017eenost.<\/li>\n<li>BPF m\u00e1 obvykle st\u0159edn\u00ed amplitudu.<\/li>\n<li>Na lopatk\u00e1ch se zp\u011btn\u00fdm zak\u0159iven\u00edm se \u010dasto tvo\u0159\u00ed n\u00e1nosy.<\/li>\n<li>Probl\u00e9my s t\u011bsn\u011bn\u00edm a lo\u017eisky jsou zp\u016fsobeny zne\u010di\u0161t\u011bn\u00edm v procesu.<\/li>\n<\/ul>\n<h4>Axial fans<\/h4>\n<ul>\n<li>Vy\u0161\u0161\u00ed amplitudy BPF jsou norm\u00e1ln\u00ed \u2013 viz <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/axial-fan-defects\/\">Poruchy axi\u00e1ln\u00edch ventil\u00e1tor\u016f<\/a> pro podrobnosti.<\/li>\n<li>Axi\u00e1ln\u00ed v\u016fle v bl\u00edzkosti \u0161pi\u010dky lopatky je z\u00e1sadn\u00ed.<\/li>\n<li>Aerodynamick\u00e9 nestability se vyskytuj\u00ed \u010dast\u011bji.<\/li>\n<li>\u00danava lopatek je zp\u016fsobena st\u0159\u00eddav\u00fdm p\u016fsoben\u00edm aerodynamick\u00fdch zat\u00ed\u017een\u00ed, co\u017e je n\u011bkdy je\u0161t\u011b zhor\u0161eno <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-resonance\/\">rezonance lopatek<\/a>.<\/li>\n<\/ul>\n<h4>Ventil\u00e1tory s nucen\u00fdm tahem (ID)<\/h4>\n<ul>\n<li>Siln\u00e1 eroze zp\u016fsoben\u00e1 pop\u00edlkem a prachov\u00fdmi \u010d\u00e1sticemi.<\/li>\n<li>Vysok\u00e9 teploty, kter\u00e9 ovliv\u0148uj\u00ed vlastnosti materi\u00e1lu.<\/li>\n<li>Korozivn\u00ed provozn\u00ed prost\u0159ed\u00ed.<\/li>\n<li>V d\u016fsledku toho je nutn\u00e9 prov\u00e1d\u011bt \u010dast\u00e9 vyva\u017eov\u00e1n\u00ed.<\/li>\n<\/ul>\n<h2>5. Diagnostick\u00e1 strategie<\/h2>\n<h3>\u00davodn\u00ed posouzen\u00ed<\/h3>\n<ol>\n<li>Zm\u011b\u0159te celkov\u00e9 vibrace v lo\u017eisc\u00edch.<\/li>\n<li>Run an <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Rychl\u00e1 Fourierova transformace (FFT)<\/a> anal\u00fdza za \u00fa\u010delem ur\u010den\u00ed dominantn\u00edch frekvenc\u00ed.<\/li>\n<li>Zkontrolujte 1\u00d7 (nevyv\u00e1\u017eenost), BPF (probl\u00e9my s lopatkami) a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-fault-frequencies\/\">frekvence poruch lo\u017eisek<\/a>.<\/li>\n<li>Posouzen\u00ed v\u00fdkonnosti \u2013 pr\u016ftok a tlak.<\/li>\n<li>Pokud je k ventil\u00e1toru p\u0159\u00edstup, prove\u010fte vizu\u00e1ln\u00ed kontrolu.<\/li>\n<\/ol>\n<h3>Identifikace probl\u00e9mu<\/h3>\n<ul>\n<li><strong>Vysok\u00e1 1\u00d7:<\/strong> nevyv\u00e1\u017eenost \u2014 vyva\u017ete nebo vy\u010dist\u011bte ventil\u00e1tor.<\/li>\n<li><strong>Vysok\u00fd BPF:<\/strong> po\u0161kozen\u00ed lopatek nebo probl\u00e9my s v\u016fl\u00ed \u2014 zkontrolujte lopatky.<\/li>\n<li><strong>\u0160irokop\u00e1smov\u00fd:<\/strong> <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cavitation\/\">kavitace<\/a> nebo aerodynamick\u00fd sr\u00fdv (stall) \u2013 zkontrolujte provozn\u00ed bod.<\/li>\n<li><strong>N\u00edzk\u00e1 frekvence:<\/strong> surge or <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/recirculation\/\">recirkulace<\/a> \u2014 upravit syst\u00e9m.<\/li>\n<li><strong>Frekvence lo\u017eisek:<\/strong> opot\u0159eben\u00ed lo\u017eisek \u2014 vym\u011b\u0148te lo\u017eiska.<\/li>\n<\/ul>\n<h2>6. Prevence, \u00fadr\u017eba a vyva\u017eov\u00e1n\u00ed v provozu<\/h2>\n<h3>Vyva\u017eov\u00e1n\u00ed<\/h3>\n<ul>\n<li>Vyva\u017eujte ob\u011b\u017en\u00e1 kola ventil\u00e1tor\u016f p\u0159\u00edmo na m\u00edst\u011b, m\u00edsto abyste je demontovali.<\/li>\n<li>Po ka\u017ed\u00e9m \u010di\u0161t\u011bn\u00ed nebo oprav\u011b lopatek prove\u010fte nov\u00e9 vyv\u00e1\u017een\u00ed.<\/li>\n<li>Pou\u017eijte up\u00ednac\u00ed nebo \u0161roubovac\u00ed variantu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/correction-weight\/\">korek\u010dn\u00ed z\u00e1va\u017e\u00ed<\/a> pro mo\u017enost nastaven\u00ed.<\/li>\n<li>Zaznamenejte vyva\u017eovac\u00ed z\u00e1va\u017e\u00ed pro budouc\u00ed pot\u0159ebu.<\/li>\n<\/ul>\n<p>Vzhledem k tomu, \u017ee v\u011bt\u0161ina ventil\u00e1tor\u016f b\u011b\u017e\u00ed ve sv\u00fdch vlastn\u00edch lo\u017eisc\u00edch bez vyva\u017eovac\u00edho stroje na m\u00edst\u011b, je to p\u0159esn\u011b \u00fakol, pro kter\u00fd je p\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor ur\u010den. Tento <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed 1\u00d7 <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> na z\u00e1klad\u011b zku\u0161ebn\u00edho b\u011bhu a sd\u011bl\u00ed technikovi hmotnost a \u00fahel z\u00e1va\u017e\u00ed, kter\u00e9 m\u00e1 p\u0159idat \u2013 pot\u00e9 ov\u011b\u0159\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/residual-unbalance\/\">zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> po oprav\u011b, a to v\u0161e bez demont\u00e1\u017ee ventil\u00e1toru.<\/p>\n<h3>Kontrola a \u010di\u0161t\u011bn\u00ed<\/h3>\n<ul>\n<li>Pravideln\u011b kontrolujte, zda se nevyskytuj\u00ed usazeniny, zn\u00e1mky eroze nebo po\u0161kozen\u00ed.<\/li>\n<li>Lopatky \u010dist\u011bte b\u011bhem odst\u00e1vek.<\/li>\n<li>Zkontrolujte upevn\u011bn\u00ed lopatek.<\/li>\n<li>Zkontrolujte, zda nejsou praskliny, zejm\u00e9na v oblasti ko\u0159ene lopatek.<\/li>\n<\/ul>\n<h3>Provozn\u00ed postupy<\/h3>\n<ul>\n<li>Pokud je to mo\u017en\u00e9, provozujte za\u0159\u00edzen\u00ed v bl\u00edzkosti jmenovit\u00e9ho bodu.<\/li>\n<li>Vyhn\u011bte se dlouhodob\u00e9mu provozu p\u0159i extr\u00e9mn\u011b vysok\u00e9m nebo extr\u00e9mn\u011b n\u00edzk\u00e9m pr\u016ftoku.<\/li>\n<li>Upravte podm\u00ednky na vstupu tak, aby se minimalizovaly turbulence.<\/li>\n<li>Naneste ochrann\u00e9 n\u00e1t\u011bry pro prost\u0159ed\u00ed s eroz\u00ed nebo koroz\u00ed.<\/li>\n<\/ul>\n<p>Poruchy ventil\u00e1tor\u016f v sob\u011b spojuj\u00ed mechanick\u00e9 probl\u00e9my, kter\u00e9 jsou spole\u010dn\u00e9 v\u0161em rotuj\u00edc\u00edm za\u0159\u00edzen\u00edm, s aerodynamick\u00fdmi jevy typick\u00fdmi pro stroje na pohyb vzduchu. Charakteristika frekvence pr\u016fchodu lopatek, vyhodnocovan\u00e1 spole\u010dn\u011b se standardn\u00edmi technikami anal\u00fdzy vibrac\u00ed, umo\u017e\u0148uje \u00fa\u010dinn\u00e9 monitorov\u00e1n\u00ed stavu ventil\u00e1tor\u016f a pom\u00e1h\u00e1 p\u0159i p\u0159ij\u00edm\u00e1n\u00ed spr\u00e1vn\u00fdch rozhodnut\u00ed ohledn\u011b \u00fadr\u017eby t\u011bchto kritick\u00fdch stroj\u016f.<\/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 ventil\u00e1tor\u016f, v\u010detn\u011b po\u0161kozen\u00ed lopatek, nevyv\u00e1\u017eenosti, aerodynamick\u00e9 nestability a rezonance, kter\u00e9 lze zjistit pomoc\u00ed vibra\u010dn\u00ed anal\u00fdzy p\u0159i frekvenci pr\u016fchodu lopatek.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-115","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/115","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\/115\/revisions"}],"predecessor-version":[{"id":101333,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/115\/revisions\/101333"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}