{"id":144,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/impeller-defects\/"},"modified":"2026-05-23T22:43:35","modified_gmt":"2026-05-23T22:43:35","slug":"impeller-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/impeller-defects\/","title":{"rendered":"Co jsou vady ob\u011b\u017en\u00e9ho kola? Po\u0161kozen\u00ed \u010derpadla a ventil\u00e1toru"},"content":{"rendered":"<h1>Pochopen\u00ed vad ob\u011b\u017en\u00e9ho kola<\/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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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\/144?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 ob\u011b\u017en\u00e9ho kola<\/strong> jsou \u010detn\u00e9 formy po\u0161kozen\u00ed, opot\u0159eben\u00ed a zhor\u0161en\u00ed stavu, kter\u00e9 postihuj\u00ed ob\u011b\u017en\u00e1 kola \u010derpadel a ventil\u00e1tor\u016f \u2014 eroze lopatek, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/corrosion\/\">koroze<\/a>, trhliny, n\u00e1nosy materi\u00e1lu, zlomen\u00e9 lopatky a po\u0161kozen\u00ed n\u00e1boje. Jsou dvakr\u00e1t \u0161kodliv\u00e9, proto\u017ee zhor\u0161uj\u00ed jak <em>mechanical<\/em> stav rotoru (vytv\u00e1\u0159ej\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a>) and the <em>hydraulick\u00e9 nebo aerodynamick\u00e9<\/em> v\u00fdkon (sn\u00ed\u017een\u00ed \u00fa\u010dinnosti, pr\u016ftoku a dopravn\u00ed v\u00fd\u0161ky). V\u00fdsledkem je rozpoznateln\u00fd vibra\u010dn\u00ed pr\u016fb\u011bh: rostouc\u00ed slo\u017eka 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a> slo\u017eka od nevyv\u00e1\u017een\u00ed spolu se zv\u00fd\u0161enou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vane-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a> od naru\u0161en\u00e9ho proud\u011bn\u00ed. Ob\u011b\u017en\u00e1 kola pracuj\u00ed v n\u00e1ro\u010dn\u00e9m prost\u0159ed\u00ed \u2014 vysok\u00e9 obvodov\u00e9 rychlosti, korozivn\u00ed nebo abrazivn\u00ed kapaliny a extr\u00e9mn\u00ed teploty \u2014 proto je pochopen\u00ed t\u011bchto z\u00e1vad a jejich p\u0159\u00edznak\u016f nezbytn\u00e9 pro zaji\u0161t\u011bn\u00ed spolehlivosti \u010derpadel a ventil\u00e1tor\u016f. Tvo\u0159\u00ed d\u016fle\u017eitou podskupinu \u0161ir\u0161\u00ed kategorie <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/pump-defects\/\">z\u00e1vady \u010derpadla<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fan-defects\/\">fan defects<\/a>.<\/p>\n<h2>1. Eroze, opot\u0159eben\u00ed a koroze<\/h2>\n<h3>Abrazivn\u00ed eroze<\/h3>\n<ul>\n<li><strong>P\u0159\u00ed\u010dina:<\/strong> pevn\u00e9 \u010d\u00e1stice un\u00e1\u0161en\u00e9 kapalinou brusn\u011b od\u00edraj\u00ed povrchy lopatek.<\/li>\n<li><strong>Vzor:<\/strong> n\u00e1b\u011b\u017en\u00e9 hrany a z\u00f3ny s vysokou rychlost\u00ed se opot\u0159ebov\u00e1vaj\u00ed nejrychleji.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> nerovnom\u011brn\u00fd \u00fabytek materi\u00e1lu zp\u016fsobuje nev\u00fdvahu a sni\u017euje \u00fa\u010dinnost.<\/li>\n<li><strong>M\u00edra:<\/strong> roste s koncentrac\u00ed \u010d\u00e1stic, jejich tvrdost\u00ed a rychlost\u00ed.<\/li>\n<li><strong>Typick\u00e9 u:<\/strong> kalov\u00e1 \u010derpadla, t\u011b\u017eebn\u00ed provoz a \u010dist\u00edrensk\u00e9 aplikace.<\/li>\n<\/ul>\n<h3>Kavita\u010dn\u00ed eroze<\/h3>\n<ul>\n<li><strong>Mechanismus:<\/strong> parn\u00ed bubliny se zhrout\u00ed na kovov\u00fd povrch a vyvolaj\u00ed intenzivn\u00ed lokalizovan\u00e9 tlakov\u00e9 r\u00e1zy.<\/li>\n<li><strong>Vzhled:<\/strong> houbovit\u00fd, d\u016flkovan\u00fd povrch s vytr\u017een\u00fdm materi\u00e1lem.<\/li>\n<li><strong>M\u00edsta:<\/strong> oblasti n\u00edzk\u00e9ho tlaku, nap\u0159\u00edklad sac\u00ed strana lopatky a jejich okraje.<\/li>\n<li><strong>Charakteristick\u00fd:<\/strong> drsn\u00fd t\u0159askav\u00fd zvuk <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cavitation\/\">kavitace<\/a> prov\u00e1z\u00ed erozi.<\/li>\n<li><strong>Prevence:<\/strong> dostate\u010dn\u00e1 NPSH a spr\u00e1vn\u00e1 volba \u010derpadla \u2014 ov\u011b\u0159te sac\u00ed rezervu pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/npsh-calculator\/\">Kalkula\u010dka NPSH<\/a>.<\/li>\n<\/ul>\n<h3>Koroze<\/h3>\n<ul>\n<li><strong>Chemick\u00e9 p\u016fsoben\u00ed:<\/strong> agresivn\u00ed kapaliny rozpou\u0161t\u011bj\u00ed materi\u00e1l ob\u011b\u017en\u00e9ho kola.<\/li>\n<li><strong>Galvanick\u00e1 koroze:<\/strong> r\u016fznorod\u00e9 kovy v kontaktu prost\u0159ednictv\u00edm elektrolytu.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/pitting\/\">D\u016flkov\u00e1n\u00ed<\/a>:<\/strong> lokalizovan\u00e9 dutiny, kter\u00e9 rovn\u011b\u017e funguj\u00ed jako koncentr\u00e1tory nap\u011bt\u00ed.<\/li>\n<li><strong>Celkov\u00e9 zten\u010den\u00ed:<\/strong> rovnom\u011brn\u00e1 ztr\u00e1ta tlou\u0161\u0165ky st\u011bny po cel\u00e9m povrchu.<\/li>\n<li><strong>Synergick\u00fd efekt eroze a koroze:<\/strong> oba mechanismy spole\u010dn\u011b urychluj\u00ed po\u0161kozen\u00ed daleko v\u00edce, ne\u017e by zp\u016fsobil ka\u017ed\u00fd z nich samostatn\u011b.<\/li>\n<\/ul>\n<h2>2. Usazov\u00e1n\u00ed materi\u00e1lu<\/h2>\n<p>Ne ka\u017ed\u00e1 nevyv\u00e1\u017eenost vznik\u00e1 \u00fabytkem kovu \u2014 p\u0159id\u00e1v\u00e1n\u00ed hmotnosti je stejn\u011b \u0161kodliv\u00e9:<\/p>\n<ul>\n<li><strong>Tvorba usazenin:<\/strong> miner\u00e1ln\u00ed usazeniny z tvrd\u00e9 vody nebo procesn\u00edch chemik\u00e1li\u00ed.<\/li>\n<li><strong>Biologick\u00e9 zne\u010di\u0161t\u011bn\u00ed:<\/strong> \u0159asy, bakterie nebo ml\u017ei v syst\u00e9mech chladic\u00ed vody.<\/li>\n<li><strong>Zpracov\u00e1van\u00fd materi\u00e1l:<\/strong> ztuhl\u00fd produkt nebo polymer p\u0159ilnut\u00fd k lopatk\u00e1m.<\/li>\n<li><strong>\u00da\u010dinek:<\/strong> asymetrick\u00e9 usazeniny zp\u016fsobuj\u00ed nevyv\u00e1\u017eenost, zu\u017euj\u00ed pr\u016fto\u010dn\u00e9 pr\u016f\u0159ezy a m\u011bn\u00ed hydrauliku.<\/li>\n<li><strong>P\u0159\u00edznak:<\/strong> pomal\u00fd, postupn\u00fd n\u00e1r\u016fst vibrace na frekvenci 1\u00d7.<\/li>\n<\/ul>\n<h2>3. Z\u00e1vady lopatek, n\u00e1boje a geometrie<\/h2>\n<h3>Trhliny<\/h3>\n<ul>\n<li><strong>\u00danavov\u00e9 trhliny:<\/strong> z cyklick\u00e9ho nam\u00e1h\u00e1n\u00ed, obvykle v m\u00edstech spojen\u00ed lopatky s krytem.<\/li>\n<li><strong>Korozn\u00ed prask\u00e1n\u00ed pod nap\u011bt\u00edm:<\/strong> kombinace tahov\u00e9ho nap\u011bt\u00ed a korozivn\u00edho prost\u0159ed\u00ed.<\/li>\n<li><strong>Tepeln\u00e9 trhliny:<\/strong> z teplotn\u00edho cyklov\u00e1n\u00ed nebo tepeln\u00e9ho \u0161oku.<\/li>\n<li><strong>Detekce:<\/strong> vane-passing-frequency <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sidebands\/\">postrann\u00ed p\u00e1sma<\/a> a m\u011bn\u00edc\u00ed se vzorec vibrac\u00ed.<\/li>\n<\/ul>\n<h3>Zlomen\u00e9 lopatky<\/h3>\n<ul>\n<li><strong>\u00dapln\u00e9 selh\u00e1n\u00ed:<\/strong> lopatka nebo jej\u00ed \u010d\u00e1st se odlom\u00ed.<\/li>\n<li><strong>Z\u00e1va\u017en\u00fd disbalanc:<\/strong> n\u00e1hl\u00fd \u00fabytek hmotnosti zp\u016fsob\u00ed v\u00fdrazn\u00fd skokov\u00fd n\u00e1r\u016fst vibrace na frekvenci 1\u00d7.<\/li>\n<li><strong>Hydraulick\u00e1 asymetrie:<\/strong> abnorm\u00e1ln\u00ed pr\u016fb\u011bh frekvence pr\u016fchodu lopatek.<\/li>\n<li><strong>Okam\u017eit\u00e1 opat\u0159en\u00ed:<\/strong> odstavte za\u0159\u00edzen\u00ed a vym\u011b\u0148te jej \u2014 zlomen\u00e9 \u010d\u00e1sti mohou zni\u010dit sk\u0159\u00ed\u0148 a t\u011bsn\u011bn\u00ed.<\/li>\n<\/ul>\n<h3>Z\u00e1vady n\u00e1boje, ulo\u017een\u00ed a geometrie<\/h3>\n<ul>\n<li><strong>Uvoln\u011bn\u00ed na h\u0159\u00eddeli:<\/strong> opot\u0159eben\u00e9 pero nebo nedostate\u010dn\u00fd lisovan\u00fd spoj, projevuj\u00edc\u00ed se \u010dasto jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/looseness\/\">mechanick\u00e1 v\u016fle<\/a>.<\/li>\n<li><strong>Praskl\u00fd n\u00e1boj nebo po\u0161kozen\u00e1 dr\u00e1\u017eka pera:<\/strong> trhliny zp\u016fsoben\u00e9 nap\u011bt\u00edm a protahov\u00e1n\u00ed, kter\u00e9 umo\u017e\u0148uj\u00ed posunut\u00ed ob\u011b\u017en\u00e9ho kola.<\/li>\n<li><strong>Geometrick\u00e9 chyby:<\/strong> ovalita vznikaj\u00edc\u00ed p\u0159i v\u00fdrob\u011b nebo po\u0161kozen\u00edm (forma <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/eccentricity\/\">excentricita<\/a>), pr\u016fhyb a nerovnom\u011brn\u00e9 rozte\u010de lopatek \u2014 v\u0161e zp\u016fsobuje nev\u00fdvahu a hydraulick\u00e9 pulzace.<\/li>\n<\/ul>\n<h2>4. Vibra\u010dn\u00ed signatury<\/h2>\n<h3>1\u00d7 Slo\u017eka nevyv\u00e1\u017eenosti<\/h3>\n<ul>\n<li><strong>Erozn\u00ed opot\u0159eben\u00ed nebo n\u00e1nosy:<\/strong> asymetrick\u00e1 zm\u011bna hmoty zp\u016fsobuje postupn\u00fd n\u00e1r\u016fst slo\u017eky 1\u00d7.<\/li>\n<li><strong>Zlomen\u00e1 lopatka:<\/strong> n\u00e1hl\u00fd, v\u00fdrazn\u00fd skok slo\u017eky 1\u00d7.<\/li>\n<li><strong>Oprava:<\/strong> nev\u00fdvaha zp\u016fsoben\u00e1 hmotnost\u00ed obvykle dob\u0159e reaguje na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a>.<\/li>\n<\/ul>\n<h3>Frekvence pr\u016fchodu lopatek<\/h3>\n<ul>\n<li><strong>Damaged vanes:<\/strong> zv\u00fd\u0161en\u00e1 frekvence pr\u016fchodu lopatek doprov\u00e1zen\u00e1 postrann\u00edmi p\u00e1smy \u00b11\u00d7.<\/li>\n<li><strong>Missing vane:<\/strong> abnorm\u00e1ln\u00ed vzor VPF, n\u011bkdy s subharmonick\u00fdmi slo\u017ekami.<\/li>\n<li><strong>Probl\u00e9my s v\u016fl\u00ed a pracovn\u00ed bod:<\/strong> amplituda VPF roste p\u0159i mal\u00fdch v\u016fl\u00edch a m\u011bn\u00ed se s pr\u016ftokem \u2014 chronicky n\u00edzk\u00fd pr\u016ftok m\u016f\u017ee vyvolat vnit\u0159n\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/recirculation\/\">recirkulace<\/a> kter\u00e1 zesiluje hydraulick\u00fd hluk.<\/li>\n<\/ul>\n<h3>Vzor uvoln\u011bn\u00ed<\/h3>\n<p>Uvoln\u011bn\u00e9 ob\u011b\u017en\u00e9 kolo se chov\u00e1 zcela odli\u0161n\u011b od jednoduch\u00e9ho t\u011b\u017ek\u00e9ho m\u00edsta: vyvol\u00e1v\u00e1 \u0159adu <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/harmonics\/\">harmonick\u00e9<\/a> (1\u00d7, 2\u00d7, 3\u00d7), zp\u016fsobuje nest\u00e1l\u00e9, neopakovateln\u00e9 vibrace a destabilizuje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> ode\u010det \u2014 co\u017e znemo\u017e\u0148uje efektivn\u00ed vyva\u017eov\u00e1n\u00ed, dokud nen\u00ed uvoln\u011bn\u00ed odstran\u011bno.<\/p>\n<h2>5. Metody detekce<\/h2>\n<h3>Anal\u00fdza vibrac\u00ed<\/h3>\n<ul>\n<li>Sledujte trendy celkov\u00e9 \u00farovn\u011b, amplitudy 1\u00d7 pro nev\u00fdvahu a amplitudy VPF pro stav lopatek a hydrauliky.<\/li>\n<li>Pou\u017eijte \u0161irokop\u00e1smovou anal\u00fdzu a ob\u00e1lkovou anal\u00fdzu k zachycen\u00ed kavitace a rozv\u00edjej\u00edc\u00edch se <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-fault-frequencies\/\">frekvence poruch lo\u017eisek<\/a>.<\/li>\n<\/ul>\n<h3>Testov\u00e1n\u00ed v\u00fdkonu<\/h3>\n<ul>\n<li><strong>Pr\u016ftok:<\/strong> pokles oproti v\u00fdchoz\u00edmu stavu signalizuje opot\u0159eben\u00ed.<\/li>\n<li><strong>V\u00fdtla\u010dn\u00fd tlak:<\/strong> sn\u00ed\u017een\u00e1 v\u00fdtla\u010dn\u00e1 v\u00fd\u0161ka poukazuje na po\u0161kozen\u00ed.<\/li>\n<li><strong>Spot\u0159eba energie:<\/strong> posuny odhaluj\u00ed ztr\u00e1tu \u00fa\u010dinnosti.<\/li>\n<li><strong>Test charakteristiky \u010derpadla:<\/strong> porovnejte nam\u011b\u0159en\u00fd v\u00fdkon s projektovanou nebo v\u00fdchoz\u00ed charakteristikou.<\/li>\n<\/ul>\n<h3>Vizu\u00e1ln\u00ed kontrola<\/h3>\n<ul>\n<li>Prov\u00e1d\u011bjte endoskopickou inspekci (borescopem) skrze servisn\u00ed otvory v t\u011blese mezi odst\u00e1vkami a p\u0159i gener\u00e1ln\u00ed oprav\u011b prove\u010fte \u00faplnou prohl\u00eddku.<\/li>\n<li>Po\u0159i\u010fte fotodokumentaci pro z\u00e1znamy a sledov\u00e1n\u00ed trend\u016f, zm\u011b\u0159te tlou\u0161\u0165ku lopatek a klasifikujte z\u00e1va\u017enost eroze nebo koroze.<\/li>\n<\/ul>\n<h2>6. Prevence, zm\u00edrn\u011bn\u00ed a ter\u00e9nn\u00ed n\u00e1prava<\/h2>\n<h3>Volba materi\u00e1lu a provozn\u00ed praxe<\/h3>\n<ul>\n<li>Pro abrazivn\u00ed provoz zvolte materi\u00e1ly odoln\u00e9 proti erozi (tvrd\u00e9 slitiny, keramika) a pro chemick\u00e9 provozy slitiny odoln\u00e9 proti korozi (316 SS, Hastelloy, titan) nebo ochrann\u00e9 povlaky.<\/li>\n<li>Provozujte stroj v bl\u00edzkosti bodu nejlep\u0161\u00ed \u00fa\u010dinnosti, aby se minimalizovalo hydraulick\u00e9 nam\u00e1h\u00e1n\u00ed, udr\u017eujte dostate\u010dn\u00e9 NPSH pro zamezen\u00ed kavitace a kontrolujte chemick\u00e9 slo\u017een\u00ed kapaliny a obsah pevn\u00fdch \u010d\u00e1stic.<\/li>\n<\/ul>\n<h3>\u00dadr\u017eba a vyva\u017eov\u00e1n\u00ed<\/h3>\n<p>B\u011bhem odst\u00e1vek prov\u00e1d\u011bjte kontrolu ob\u011b\u017en\u00fdch kol, odstra\u0148ujte usazeniny d\u0159\u00edve, ne\u017e se rozrostou v z\u00e1va\u017en\u00e9 t\u011b\u017ek\u00e9 m\u00edsto, a po \u010di\u0161t\u011bn\u00ed nebo oprav\u011b v\u017edy prove\u010fte vyv\u00e1\u017een\u00ed. Na sestaven\u00fdch stroj\u00edch se toto vyv\u00e1\u017een\u00ed prov\u00e1d\u00ed p\u0159\u00edmo na m\u00edst\u011b, nikoli na vyva\u017eovac\u00edm stroji. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed amplitudu a f\u00e1zi 1\u00d7 slo\u017eky, vypo\u010d\u00edt\u00e1 korek\u010dn\u00ed z\u00e1va\u017e\u00ed a ov\u011b\u0159\u00ed v\u00fdsledek oproti p\u0159\u00edslu\u0161n\u00e9 t\u0159\u00edd\u011b vyv\u00e1\u017een\u00ed, zat\u00edmco se ob\u011b\u017en\u00e9 kolo ot\u00e1\u010d\u00ed ve vlastn\u00edch lo\u017eisc\u00edch p\u0159i provozn\u00edch ot\u00e1\u010dk\u00e1ch \u2014 ide\u00e1ln\u00ed \u0159e\u0161en\u00ed, kdy\u017e eroze nebo zan\u00e1\u0161en\u00ed vyvedlo rotor \u010derpadla nebo ventil\u00e1toru z rovnov\u00e1hy. Proto\u017ee v\u011btr\u00e1kov\u00e9 kolo m\u00e1 pro z\u00e1va\u017e\u00ed \u010dasto pouze diskr\u00e9tn\u00ed polohy \u0161roub\u016f, <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/blade-correction-calculator\/\">Kalkula\u010dka korekce \u010depele<\/a> pom\u00e1h\u00e1 p\u0159ev\u00e9st vypo\u010dtenou korekci na hmotnosti um\u00edst\u011bn\u00e9 na pevn\u00fdch poloh\u00e1ch lopatek. Dokumentov\u00e1n\u00ed rychlost\u00ed opot\u0159eben\u00ed p\u0159i postupn\u00fdch inspekc\u00edch pak podporuje predikci \u017eivotnosti a umo\u017e\u0148uje v\u00fdm\u011bnu ob\u011b\u017en\u00e9ho kola d\u0159\u00edve, ne\u017e jeho v\u00fdkonnost poklesne na nep\u0159ijatelnou \u00farove\u0148.<\/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 ob\u011b\u017en\u00fdch kol, v\u010detn\u011b po\u0161kozen\u00ed lopatek, eroze, koroze a nevyv\u00e1\u017eenosti v \u010derpadlech a ventil\u00e1torech, kter\u00e9 zp\u016fsobuj\u00ed vibrace p\u0159i frekvenci ot\u00e1\u010den\u00ed lopatek a sni\u017euj\u00ed v\u00fdkon.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-144","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/144","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\/144\/revisions"}],"predecessor-version":[{"id":101339,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/144\/revisions\/101339"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}