{"id":293,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/vane-passing-frequency\/"},"modified":"2026-05-23T22:46:43","modified_gmt":"2026-05-23T22:46:43","slug":"vane-passing-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/vane-passing-frequency\/","title":{"rendered":"\u010co je frekvencia prechodu lopatiek? Diagnostika lopatiek \u010derpadla"},"content":{"rendered":"<h1>Pochopenie frekvencie prechodu lopatiek<\/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\/sk\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\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 vibr\u00e1ci\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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\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 tachometer)\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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\u00e1klad\u0148a.\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 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\u00e1 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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 s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/wp-json\/wp\/v2\/glossary\/293?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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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>Frekvencia prechodu lopatiek<\/strong> (VPF \u2013 naz\u00fdvan\u00e1 tie\u017e frekvencia lopatiek obe\u017en\u00e9ho kolesa alebo jednoducho po\u010det preletov lopatiek) je frekvencia, s akou lopatky rotuj\u00faceho obe\u017en\u00e9ho kolesa \u010derpadla preletia okolo pevn\u00e9ho referen\u010dn\u00e9ho bodu, ako je napr\u00edklad v\u00fdstupn\u00fd v\u00fdrez (jaz\u00fd\u010dek) \u0161pir\u00e1lov\u00e9ho telesa, lopatky dif\u00fazora alebo in\u00fd prvok telesa \u010derpadla. Vypo\u010d\u00edta sa ako po\u010det lopatiek obe\u017en\u00e9ho kolesa vyn\u00e1soben\u00fd frekvenciou ot\u00e1\u010dania hriade\u013ea: <strong>VPF = N<sub>v<\/sub> \u00d7 RPM \/ 60<\/strong>. VPF je ekvivalentom priameho \u010derpadla <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu \u010depele<\/a> ktor\u00fd sa vyskytuje pri ventil\u00e1toroch a je to hlavn\u00fd hydraulick\u00fd <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> zdrojom v odstrediv\u00fdch \u010derpadl\u00e1ch, ktor\u00fd sa pri priemyseln\u00fdch strojoch zvy\u010dajne vyskytuje v rozmedz\u00ed 100 a\u017e 500 Hz. Sledovanie amplit\u00fady VPF a jej <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/harmonics\/\">harmonick\u00e9<\/a> poskytuje d\u00f4le\u017eit\u00e9 diagnostick\u00e9 inform\u00e1cie o stave obe\u017en\u00e9ho kolesa, hydraulickom v\u00fdkone a vn\u00fatorn\u00fdch medzer\u00e1ch.<\/p>\n<h2>1. V\u00fdpo\u010det a typick\u00e9 hodnoty<\/h2>\n<h3>Vzorec<\/h3>\n<blockquote><p><strong>VPF = N<sub>v<\/sub> \u00d7 N \/ 60<\/strong> &nbsp; where N<sub>v<\/sub> = po\u010det lopatiek obe\u017en\u00e9ho kolesa, N = ot\u00e1\u010dky hriade\u013ea v ot\/min a v\u00fdsledok je v Hz.<\/p><\/blockquote>\n<p>Preto\u017ee VPF je v\u017edy celo\u010d\u00edseln\u00fdm n\u00e1sobkom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a> (1\u00d7), patr\u00ed jednozna\u010dne medzi synchronn\u00e9 zlo\u017eky spektra \u2013 ide o skuto\u010dn\u00fa frekvenciu lopatiek <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/harmonics\/\">harmonick\u00e1<\/a> r\u00fdchlosti hriade\u013ea, nie samostatnej frekvencie.<\/p>\n<h3>Spracovan\u00e9 pr\u00edklady<\/h3>\n<ul>\n<li><strong>Small pump:<\/strong> 5 lopatiek pri 3500 ot.\/min. \u2192 VPF = 5 \u00d7 3500 \/ 60 = <strong>292 Hz<\/strong>.<\/li>\n<li><strong>Ve\u013ek\u00e9 procesn\u00e9 \u010derpadlo:<\/strong> 7 lopatiek pri 1750 ot.\/min. \u2192 VPF = 7 \u00d7 1750 \/ 60 = <strong>204 Hz<\/strong>.<\/li>\n<li><strong>Vysokor\u00fdchlostn\u00e9 \u010derpadlo:<\/strong> 6 lopatiek pri 4200 ot.\/min. \u2192 VPF = 6 \u00d7 4200 \/ 60 = <strong>420 Hz<\/strong>.<\/li>\n<\/ul>\n<h3>Typick\u00fd po\u010det lopatiek<\/h3>\n<ul>\n<li><strong>Odstrediv\u00e9 \u010derpadl\u00e1:<\/strong> 3\u201312 lopatiek, pri\u010dom naj\u010dastej\u0161ie je 5\u20137.<\/li>\n<li><strong>Small pumps:<\/strong> menej lopatiek (3\u20135).<\/li>\n<li><strong>Large pumps:<\/strong> viac lopatiek (7\u201312).<\/li>\n<li><strong>\u010cerpadl\u00e1 s vysok\u00fdm v\u00fdtlakom:<\/strong> viac lopatiek na efekt\u00edvny prenos energie.<\/li>\n<\/ul>\n<p>Je nevyhnutn\u00e9 pozna\u0165 presn\u00fd po\u010det lopatiek, preto\u017ee pr\u00e1ve to odli\u0161uje VPF od n\u00e1hodnej harmonickej zlo\u017eky hriade\u013ea; ak nie je k dispoz\u00edcii v\u00fdkres obe\u017en\u00e9ho kolesa, po\u010det lopatiek sa \u010dasto d\u00e1 zisti\u0165 spo\u010d\u00edtan\u00edm harmonick\u00e9ho r\u00e1du, pri ktorom sa vyskytuje dominantn\u00fd hydraulick\u00fd vrchol. <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/blade-pass-frequency\/\">Kalkula\u010dka frekvencie prechodov \u010depele<\/a> zabezpe\u010duje v\u00fdpo\u010dty pre obe \u010derpadl\u00e1 aj ventil\u00e1tory a <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/harmonic-frequency-calculator\/\">Kalkula\u010dka harmonickej frekvencie<\/a> pom\u00e1ha umiestni\u0165 VPF a jeho n\u00e1sobky na os frekvencie.<\/p>\n<h2>2. Fyzik\u00e1lny mechanizmus<\/h2>\n<h3>Tlakov\u00e9 pulz\u00e1cie<\/h3>\n<p>VPF je sp\u00f4soben\u00e9 sk\u00f4r kol\u00edsan\u00edm hydraulick\u00e9ho tlaku ako mechanickou silou. Postup je nasledovn\u00fd:<\/p>\n<ol>\n<li>Ka\u017ed\u00e1 lopatka obe\u017en\u00e9ho kolesa odv\u00e1dza tekutinu smerom von vysokou r\u00fdchlos\u0165ou.<\/li>\n<li>Ke\u010f lopatka prelet\u00ed okolo \u0161pir\u00e1lovit\u00e9ho n\u00e1be\u017en\u00e9ho profilu, vyvol\u00e1 to prudk\u00fd tlakov\u00fd impulz.<\/li>\n<li>V tom okamihu sa r\u00fdchlo men\u00ed tlakov\u00fd rozdiel na lopatke.<\/li>\n<li>T\u00fdm vznik\u00e1 silov\u00fd impulz p\u00f4sobiaci na obe\u017en\u00e9 koleso aj na skri\u0148u.<\/li>\n<li>With N<sub>v<\/sub> vanes, N<sub>v<\/sub> tak\u00e9to impulzy sa vyskytuj\u00fa pri ka\u017edom oto\u010den\u00ed.<\/li>\n<li>V\u00fdsledn\u00e1 frekvencia pulz\u00e1cie sa rovn\u00e1 frekvencii prechodu lopatky \u2013 VPF.<\/li>\n<\/ol>\n<p>V\u010faka tomu patr\u00ed VPF medzi klasick\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/hydraulic-forces\/\">hydraulick\u00e9 sily<\/a> p\u00f4sobenie na \u010derpadlo, odli\u0161n\u00e9 od \u010disto mechanick\u00fdch podnetov, ako s\u00fa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> alebo vady lo\u017e\u00edsk.<\/p>\n<h3>V bode optim\u00e1lneho v\u00fdkonu (BEP)<\/h3>\n<ul>\n<li>Uhol vstupn\u00e9ho pr\u00fadenia zodpoved\u00e1 uhlu lopatky.<\/li>\n<li>Pr\u00fadenie je plynul\u00e9, s minim\u00e1lnymi turbulenciami.<\/li>\n<li>Amplit\u00fada VPF je stredn\u00e1 a stabiln\u00e1.<\/li>\n<li>Rozlo\u017eenie tlaku v okol\u00ed pl\u00e1\u0161\u0165a je takmer optim\u00e1lne.<\/li>\n<\/ul>\n<h3>Mimo bodu optim\u00e1lneho v\u00fdkonu<\/h3>\n<ul>\n<li>Uhol pr\u00fadenia u\u017e nezodpoved\u00e1 uhlu lopatky.<\/li>\n<li>Zvy\u0161uje sa turbulencia a odtrh pr\u00fadu.<\/li>\n<li>Tlakov\u00e9 pulz\u00e1cie sa zosil\u0148uj\u00fa.<\/li>\n<li>Amplit\u00fada VPF st\u00fapa, \u010dasto spolu s \u010fal\u0161\u00edmi frekven\u010dn\u00fdmi zlo\u017ekami.<\/li>\n<\/ul>\n<h2>3. Vyhodnotenie diagnostick\u00fdch v\u00fdsledkov<\/h2>\n<h3>Norm\u00e1lna amplit\u00fada VPF<\/h3>\n<ul>\n<li>\u010cerpadlo pracuje v bode najvy\u0161\u0161ej \u00fa\u010dinnosti (BEP) alebo v jeho bl\u00edzkosti.<\/li>\n<li>Amplit\u00fada VPF zost\u00e1va stabiln\u00e1 pri po sebe id\u00facich meraniach.<\/li>\n<li>Zvy\u010dajne 10\u201330 % amplit\u00fady vibr\u00e1ci\u00ed 1\u00d7.<\/li>\n<li>\u010cist\u00e9 spektrum s minim\u00e1lnym obsahom harmonick\u00fdch.<\/li>\n<\/ul>\n<h3>\u010co v\u00e1m nazna\u010duje zv\u00fd\u0161en\u00e1 hodnota VPF<\/h3>\n<p><strong>Prev\u00e1dzka mimo bodu ekonomickej rentability.<\/strong> Prev\u00e1dzka pri n\u00edzkom prietoku (pod ~70 % BEP) zvy\u0161uje VPF, rovnako ako prev\u00e1dzka pri vysokom prietoku (nad ~120 % BEP); optim\u00e1lny rozsah je pribli\u017ene 80\u2013110 % BEP. Dlhodob\u00e1 prev\u00e1dzka pri n\u00edzkom prietoku je tie\u017e spojen\u00e1 s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/recirculation\/\">vn\u00fatorn\u00e1 recirkul\u00e1cia<\/a>.<\/p>\n<p><strong>Probl\u00e9my s medzerou medzi obe\u017en\u00fdm kolesom a skri\u0148ou.<\/strong> Opotrebovan\u00e9 opotrebovacie kr\u00fa\u017eky alebo posunut\u00e9 obe\u017en\u00e9 koleso <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-wear\/\">opotrebenie lo\u017eiska<\/a>, zv\u00e4\u010d\u0161i\u0165 prev\u00e1dzkov\u00fa medzeru; s roz\u0161irovan\u00edm medzery st\u00fapa amplit\u00fada VPF, \u010do je sprev\u00e1dzan\u00e9 poklesom v\u00fdkonu v d\u00f4sledku vn\u00fatorn\u00fdch \u00fanikov.<\/p>\n<p><strong>Po\u0161kodenie obe\u017en\u00e9ho kolesa.<\/strong> Po\u0161koden\u00e9 alebo prasknut\u00e9 lopatky sp\u00f4sobuj\u00fa asymetriu, \u010do vedie k vzniku VPF s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/sidebands\/\">bo\u010dn\u00e9 p\u00e1sma<\/a> pri r\u00fdchlosti pr\u00fadenia \u00b11\u00d7; er\u00f3zia, usadzovanie na lopatk\u00e1ch alebo po\u0161kodenie cudz\u00edmi predmetmi maj\u00fa podobn\u00fd \u00fa\u010dinok. Ide o typick\u00e9 pr\u00edklady \u0161ir\u0161ieho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/impeller-defects\/\">chyby obe\u017en\u00e9ho kolesa<\/a>.<\/p>\n<p><strong>Hydraulick\u00e1 rezonancia.<\/strong> Ak sa n\u00e1hodou VPF zhoduje s akustick\u00fdm <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a> v potrub\u00ed alebo pl\u00e1\u0161ti sa amplit\u00fada v\u00fdrazne zosil\u0148uje, \u010do niekedy sp\u00f4sobuje siln\u00e9 kon\u0161truk\u010dn\u00e9 vibr\u00e1cie a hluk, ktor\u00e9 si vy\u017eaduj\u00fa \u00fapravy syst\u00e9mu.<\/p>\n<h2>4. Harmonick\u00e9 a subharmonick\u00e9 vlny VPF<\/h2>\n<h3>2\u00d7VPF a viac<\/h3>\n<p>Viacn\u00e1sobn\u00e9 harmonick\u00e9 kmity r\u00fdchlosti prechodu lopatiek s\u00fa varovn\u00fdm sign\u00e1lom:<\/p>\n<ul>\n<li><strong>2\u00d7VPF present:<\/strong> nazna\u010duje nerovnomern\u00e9 rozstupy lopatiek alebo excentricitu obe\u017en\u00e9ho kolesa.<\/li>\n<li><strong>Viacn\u00e1sobn\u00e9 harmonick\u00e9:<\/strong> m\u00f4\u017ee nazna\u010dova\u0165 siln\u00fa hydraulick\u00fa turbulenciu alebo po\u0161kodenie lopatky.<\/li>\n<li><strong>Pr\u00edli\u0161 ve\u013ek\u00e9 amplit\u00fady:<\/strong> zv\u00fd\u0161i\u0165 riziko <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fatigue\/\">\u00fanava<\/a> poruchy lopatiek a pl\u00e1\u0161\u0165a.<\/li>\n<\/ul>\n<h3>Subharmonick\u00e9<\/h3>\n<ul>\n<li>Zlomkov\u00e9 s\u00fa\u010dasti, ako napr\u00edklad VPF\/2 alebo VPF\/3.<\/li>\n<li>Indikuje nestability pr\u00fadenia, vr\u00e1tane rotuj\u00faceho stallu a odtrh\u00e1vac\u00edch buniek.<\/li>\n<li>Naj\u010dastej\u0161ie sa vyskytuje pri ve\u013emi n\u00edzkych prietokoch a je podobn\u00e9 in\u00fdm <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/subharmonic\/\">subharmonick\u00e9<\/a> phenomena.<\/li>\n<\/ul>\n<h2>5. Monitorovanie a sledovanie trendov<\/h2>\n<h3>Stanovenie z\u00e1kladnej \u00farovne<\/h3>\n<ul>\n<li>Zaznamenajte hodnotu VPF, ke\u010f je \u010derpadlo nov\u00e9 alebo \u010derstvo gener\u00e1lne opraven\u00e9.<\/li>\n<li>Zaznamenajte to v prev\u00e1dzkovom bode n\u00e1vrhu.<\/li>\n<li>Nastavte \u0161tandardn\u00fd pomer amplit\u00fady VPF k 1\u00d7.<\/li>\n<li>Nastavte alarmov\u00e9 limity, zvy\u010dajne na 2\u20133-n\u00e1sobok amplit\u00fady z\u00e1kladnej VPF.<\/li>\n<\/ul>\n<h3>Trendov\u00e9 parametre<\/h3>\n<ul>\n<li><strong>Amplit\u00fada VPF:<\/strong> sledovan\u00e9 v priebehu \u010dasu; postupn\u00fd n\u00e1rast signalizuje vznikaj\u00faci probl\u00e9m.<\/li>\n<li><strong>VPF\/1\u00d7 ratio:<\/strong> by mala zosta\u0165 relat\u00edvne kon\u0161tantn\u00e1.<\/li>\n<li><strong>Harmonick\u00fd obsah:<\/strong> vznik alebo n\u00e1rast 2\u00d7VPF a 3\u00d7VPF.<\/li>\n<li><strong>V\u00fdvoj postrann\u00e9ho p\u00e1sma:<\/strong> vznik bo\u010dn\u00fdch p\u00e1siem s amplit\u00fadou \u00b11\u00d7 v okol\u00ed VPF.<\/li>\n<\/ul>\n<h3>V z\u00e1vislosti od prev\u00e1dzkov\u00fdch podmienok<\/h3>\n<ul>\n<li>Zazna\u010dte z\u00e1vislos\u0165 VPF od prietoku.<\/li>\n<li>Ur\u010dite prev\u00e1dzkov\u00fa z\u00f3nu s minim\u00e1lnou hodnotou VPF.<\/li>\n<li>Zisti\u0165, kedy do\u0161lo k posunu pracovn\u00e9ho bodu.<\/li>\n<li>Porovnajte spr\u00e1vanie VPF s nameran\u00fdm zhor\u0161en\u00edm v\u00fdkonu.<\/li>\n<\/ul>\n<p>This kind of <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/trend-analysis\/\">anal\u00fdza trendov<\/a> z\u00e1vis\u00ed od konzistentn\u00fdch a reprodukovate\u013en\u00fdch spektier. Prenosn\u00fd dvojkan\u00e1lov\u00fd analyz\u00e1tor, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> zachyt\u00e1va <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">Spektrum FFT<\/a> ke\u010f\u017ee VPF je v hydraulickom rozsahu 100\u2013500 Hz jasne rozl\u00ed\u0161ite\u013en\u00fd, technik m\u00f4\u017ee pri ka\u017edej prehliadke overi\u0165 \u0161pi\u010dku v mieste prechodu lopatky, sledova\u0165 jej amplit\u00fadu a bo\u010dn\u00e9 p\u00e1sma a vyl\u00fa\u010di\u0165 mechanick\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> pred otvoren\u00edm \u010derpadla.<\/p>\n<h2>6. N\u00e1pravn\u00e9 opatrenia<\/h2>\n<h3>Optimaliz\u00e1cia pracovn\u00e9ho bodu<\/h3>\n<ul>\n<li>Nastavte prietok tak, aby sa \u010derpadlo pribl\u00ed\u017eilo k bodu optim\u00e1lneho v\u00fdkonu (BEP).<\/li>\n<li>Obmedzte prietok alebo upravte odpor syst\u00e9mu.<\/li>\n<li>Skontrolujte, \u010di s\u00fa podmienky ods\u00e1vania primeran\u00e9.<\/li>\n<\/ul>\n<h3>Mechanick\u00e1 korekcia<\/h3>\n<ul>\n<li>Vyme\u0148te opotrebovan\u00e9 opotrebovacie kr\u00fa\u017eky, aby ste obnovili kon\u0161truk\u010dn\u00e9 v\u00f4\u013ee.<\/li>\n<li>Vyme\u0148te opotrebovan\u00e9 alebo po\u0161koden\u00e9 obe\u017en\u00e9 koleso.<\/li>\n<li>Odstr\u00e1\u0148te probl\u00e9my s lo\u017eiskami, ktor\u00e9 sp\u00f4sobuj\u00fa posun obe\u017en\u00e9ho kolesa.<\/li>\n<li>Skontrolujte spr\u00e1vnu polohu obe\u017en\u00e9ho kolesa, a to ako v axi\u00e1lnom, tak aj v radi\u00e1lnom smere.<\/li>\n<\/ul>\n<h3>Vylep\u0161enia hydraulick\u00e9ho syst\u00e9mu<\/h3>\n<ul>\n<li>Vylep\u0161i\u0165 pr\u00edvodn\u00e9 potrubie s cie\u013eom zn\u00ed\u017ei\u0165 predbe\u017en\u00fd v\u00edr a turbulencie.<\/li>\n<li>V pr\u00edpade potreby namontujte vyrovn\u00e1va\u010de prietoku.<\/li>\n<li>Overte, \u010di je rezerva NPSH dostato\u010dn\u00e1, aby sa predi\u0161lo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/cavitation\/\">kavit\u00e1cia<\/a>.<\/li>\n<li>Zabr\u00e1\u0148te vnikaniu vzduchu.<\/li>\n<\/ul>\n<h2>7. Vz\u0165ah k ostatn\u00fdm frekvenci\u00e1m<\/h2>\n<h3>VPF versus BPF<\/h3>\n<ul>\n<li>Tieto pojmy sa v s\u00favislosti s \u010derpadlami a ventil\u00e1tormi \u010dasto pou\u017e\u00edvaj\u00fa ako synonym\u00e1.<\/li>\n<li><strong>VPF:<\/strong> uprednost\u0148ovan\u00fd term\u00edn pre \u010derpadl\u00e1 (s lopatkov\u00fdm mechanizmom na \u010derpanie kvapaliny).<\/li>\n<li><strong>BPF:<\/strong> uprednost\u0148ovan\u00fd term\u00edn pre ventil\u00e1tory (lopatky poh\u00e1\u0148aj\u00face vzduch).<\/li>\n<li>Postup v\u00fdpo\u010dtu a diagnostiky je rovnak\u00fd.<\/li>\n<\/ul>\n<h3>VPF verzus r\u00fdchlos\u0165 behu<\/h3>\n<ul>\n<li>VPF = N<sub>v<\/sub> \u00d7 (frekvencia pri behu).<\/li>\n<li>VPF m\u00e1 v\u017edy vy\u0161\u0161iu frekvenciu ako 1\u00d7.<\/li>\n<li>Napr\u00edklad pri obe\u017enom kolese so 7 lopatkami sa hodnota VPF rovn\u00e1 presne 7-n\u00e1sobku prev\u00e1dzkovej r\u00fdchlosti.<\/li>\n<\/ul>\n<p>Frekvencia prechodu lopatiek je z\u00e1kladnou zlo\u017ekou hydraulick\u00fdch vibr\u00e1ci\u00ed ka\u017ed\u00e9ho odstrediv\u00e9ho \u010derpadla. Ovl\u00e1dnutie jej v\u00fdpo\u010dtu, rozli\u0161ovanie medzi norm\u00e1lnymi a zv\u00fd\u0161en\u00fdmi amplit\u00fadami a prepojenie jej charakterist\u00edk s prev\u00e1dzkov\u00fdmi podmienkami aj stavom \u010derpadla premen\u00ed jedin\u00fd spektr\u00e1lny vrchol na v\u00fdkonn\u00fd diagnostick\u00fd n\u00e1stroj \u2013 ktor\u00fd pom\u00e1ha pri prij\u00edman\u00ed spr\u00e1vnych rozhodnut\u00ed t\u00fdkaj\u00facich sa optimaliz\u00e1cie prev\u00e1dzkov\u00e9ho bodu, obnovenia v\u00f4\u013eov\u00fdch medzier a v\u00fdmeny obe\u017en\u00e9ho kolesa. Je to z\u00e1kladn\u00fd kame\u0148 \u0161ir\u0161ieho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/pump-defects\/\">diagnostika por\u00fach \u010derpadla<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z\u00edskajte inform\u00e1cie o frekvencii prechodu lopatiek (VPF), \u010do je r\u00fdchlos\u0165, akou lopatky obe\u017en\u00e9ho kolesa \u010derpadla prech\u00e1dzaj\u00fa cez stacion\u00e1rny dif\u00fazor alebo \u0161pir\u00e1lov\u00fa vodu, \u010do je nevyhnutn\u00e9 pre diagnostiku hydraulick\u00fdch a mechanick\u00fdch probl\u00e9mov.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-293","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/293\/revisions"}],"predecessor-version":[{"id":101369,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/293\/revisions\/101369"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=293"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}