{"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\/bs\/glossary\/vane-passing-frequency\/","title":{"rendered":"\u0160ta je u\u010destalost prolaska lopatica? Dijagnostika lopatica pumpe"},"content":{"rendered":"<h1>Razumijevanje u\u010destalosti prolaska lopatica<\/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\/bs\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija 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=\"Balanset-1A kompletan set prenosivi balanser i analizator vibracija\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">Prijenosni balanser i analizator vibracija 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">\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=\"Balanset-1A senzor vibracija u detaljnom prikazu\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">Senzor vibracija<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">\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=\"opti\u010dki senzor (laserski tahometar)\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">opti\u010dki senzor (laserski tahometar)<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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=\"Vibromera set za balansiranje rotora: kofer za no\u0161enje, multikanalnu jedinicu za kondicioniranje signala, ru\u010dni analizator, magnetnu bazu, senzore vibracija i spiralne kablove.\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje 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=\"Magnet base.\" 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 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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=\"Balanset-1A sadr\u017eaj seta sa interfejsnom jedinicom, senzorima, tahometrom i dodatnom opremom\" 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, 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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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/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>U\u010destalost prolaska lopatica<\/strong> (VPF \u2014 poznata i kao u\u010destalost lopatica pumpnog kola ili jednostavno prolazak lopatica) je u\u010destalost pri kojoj lopatice rotiraju\u0107eg pumpnog kola prolaze kroz nepokretnu referentnu ta\u010dku kao \u0161to je vulutna presje\u010dna ta\u010dka (jezi\u010dac), difuzorske lopatice ili drugo obilje\u017eje ku\u0107i\u0161ta. Izra\u010dunava se kao broj lopatica pumpnog kola pomno\u017eenog sa frekvencijom rotacije vratila: <strong>VPF = N<sub>v<\/sub> \u00d7 RPM \/ 60<\/strong>. VPF je direktan pumpirani ekvivalent <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/blade-passing-frequency\/\">frekvencijom prolaska lopatica<\/a> vi\u0111en u ventilatorima, i on je dominantni hidrauli\u010dki <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> izvor u centrifugalnim pumpama, obi\u010dno se pojavljuje izme\u0111u 100 i 500 Hz za industrijske ma\u0161ine. Pra\u0107enje amplitude VPF-a i njegova <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/harmonics\/\">harmonics<\/a> daje kriti\u010dne dijagnosti\u010dke informacije o stanju pumpnog kola, hidrauli\u010dkim performansama i unutra\u0161njim razmakom.<\/p>\n<h2>1. Izra\u010dunavanje i tipi\u010dne vrijednosti<\/h2>\n<h3>Formula<\/h3>\n<blockquote><p><strong>VPF = N<sub>v<\/sub> \u00d7 N \/ 60<\/strong> &nbsp; where N<sub>v<\/sub> = number of impeller vanes, N = shaft speed in RPM, and the result is in Hz.<\/p><\/blockquote>\n<p>Jer je VPF uvijek vi\u0161ekratnik cijelog broja <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/running-speed\/\">running speed<\/a> (1\u00d7), nalazi se \u010dvrsto me\u0111u sinhronim komponentama spektra \u2014 to je prava brzina lopatica <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/harmonics\/\">harmonic<\/a> brzine osovine, nije neovisna frekvencija.<\/p>\n<h3>Radni primjeri<\/h3>\n<ul>\n<li><strong>Small pump:<\/strong> 5 vanes at 3500 RPM \u2192 VPF = 5 \u00d7 3500 \/ 60 = <strong>292 Hz<\/strong>.<\/li>\n<li><strong>Velike pump\u0435 za procese:<\/strong> 7 vanes at 1750 RPM \u2192 VPF = 7 \u00d7 1750 \/ 60 = <strong>204 Hz<\/strong>.<\/li>\n<li><strong>Pumpa za veliku brzinu:<\/strong> 6 vanes at 4200 RPM \u2192 VPF = 6 \u00d7 4200 \/ 60 = <strong>420 Hz<\/strong>.<\/li>\n<\/ul>\n<h3>Tipi\u010dan broj lopatica<\/h3>\n<ul>\n<li><strong>Centrifugalne pumpe:<\/strong> 3\u201312 lopatica, gdje su 5\u20137 najprisutniji.<\/li>\n<li><strong>Small pumps:<\/strong> manje lopatica (3\u20135).<\/li>\n<li><strong>Large pumps:<\/strong> vi\u0161e lopatica (7\u201312).<\/li>\n<li><strong>Pumpe za veliki uzdignuti tlak:<\/strong> vi\u0161e lopatica za u\u010dinkovit prijenos energije.<\/li>\n<\/ul>\n<p>Poznavanje to\u010dnog broja lopatica je klju\u010dno, jer je to \u0161to razlikuje VPF od slu\u010dajnog harmonika brzine osovine; ako je crte\u017e radnog kola nedostupan, broj lopatica \u010desto se mo\u017ee potvrditi prebrojavanjem reda harmonika na kojem se nalazi dominantni hidrauli\u010dki vrh. <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/blade-pass-frequency\/\">Kalkulator frekvencije prolaska lopatice<\/a> obavlja aritmetiku za pumpe i ventilatore, a <a href=\"https:\/\/vibromera.eu\/bs\/calculators\/harmonic-frequency-calculator\/\">Kalkulator harmonijskih frekvencija<\/a> poma\u017ee u postavljanju VPF-a i njegovih multiplika na frekvencijsku os.<\/p>\n<h2>2. Fizi\u010dki mehanizam<\/h2>\n<h3>Oscilacije tlaka<\/h3>\n<p>VPF nastaje iz varijacije hidrauli\u010dkog tlaka umjesto mehani\u010dke sile. Slijed je:<\/p>\n<ol>\n<li>Svaka lopatica radnog kola nosi fluid prema van velikom brzinom.<\/li>\n<li>Kada lopatica pro\u0111e pored odsje\u010dka spirale, proizvodna \u0161tar impuls tlaka.<\/li>\n<li>Razlika tlaka preko lopatice brzo se mijenja u tom trenutku.<\/li>\n<li>To proizvodi impuls sile na radnom kolu i ku\u010di\u0161tu.<\/li>\n<li>With N<sub>v<\/sub> vanes, N<sub>v<\/sub> takvi impulsi se javljaju svaku revoluciju.<\/li>\n<li>Rezultiraju\u0107a frekvencija oscilacija jednaka je frekvenciji prolaska lopatica \u2014 VPF-u.<\/li>\n<\/ol>\n<p>Ovo \u010dini VPF jednom od klasi\u010dnih <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/hydraulic-forces\/\">hidrauli\u010dke sile<\/a> djelovanja na pumpi, razli\u010dito od \u010disto mehani\u010dkih pobuda kao \u0161to su <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a> ili defekti le\u017eaja.<\/p>\n<h3>Na to\u010dki dizajna (BEP)<\/h3>\n<ul>\n<li>Kut prihvatnog toka odgovara kutu lopatice.<\/li>\n<li>Tok je glatko, sa minimalnom turbulencijom.<\/li>\n<li>Amplituda VPF je umjerena i stabilna.<\/li>\n<li>Raspodje\u0142a tlaka oko ku\u0107i\u0161ta je blizu optimalne.<\/li>\n<\/ul>\n<h3>Dalje od to\u010dke dizajna<\/h3>\n<ul>\n<li>Kut toka vi\u0161e ne odgovara kutu lopatice.<\/li>\n<li>Turbulencija i separacija toka se pove\u0107avaju.<\/li>\n<li>Pulsacije tlaka postaju ja\u010de.<\/li>\n<li>Amplituda VPF raste, \u010desto s dodatnim frekvencijskim komponentama.<\/li>\n<\/ul>\n<h2>3. Dijagnosti\u010dka interpretacija<\/h2>\n<h3>Normalna amplituda VPF<\/h3>\n<ul>\n<li>Pumpa radi na ili blizu svoje najbolje to\u010dke djelotvornosti (BEP).<\/li>\n<li>Amplituda VPF je stabilna u uzastopnim mjerenjima.<\/li>\n<li>Tipi\u010dno 10\u201330% amplitude vibracije frekvencije 1\u00d7.<\/li>\n<li>\u010cist spektar sa minimalnim harmonijskim sadr\u017eajem.<\/li>\n<\/ul>\n<h3>\u0160to vam govori povi\u0161ena VPF<\/h3>\n<p><strong>Rad izvan BEP.<\/strong> Rad pri niskom protoku (ispod ~70% BEP-a) pove\u0107ava VPF, kao i rad pri visokom protoku (iznad ~120% BEP-a); optimalni opseg je pribli\u017eno 80\u2013110% BEP-a. Produljeni rad pri niskom protoku tako\u0111er je povezan s <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/recirculation\/\">unutarnjom recirkulacijom<\/a>.<\/p>\n<p><strong>Problemi s razmakom izme\u0111u impelera i ku\u0107i\u0161ta.<\/strong> Istro\u0161eni prsteni klizanja, ili impeler pomaknut za <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-wear\/\">bearing wear<\/a>, pove\u0107avaju radni razmak; amplituda VPF-a raste kako se razmak pove\u0107ava, pra\u0107eno gubitkom performansi kroz unutarnje curenje.<\/p>\n<p><strong>O\u0161te\u0107enje impelera.<\/strong> Slomljene ili pukotine lopatice stvaraju asimetriju, proizvode\u0107i VPF s <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/sidebands\/\">sidebands<\/a> at \u00b11\u00d7 running speed; erosion, build-up on the vanes, or foreign-object damage act similarly. These are typical of broader <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/impeller-defects\/\">defekte impelera<\/a>.<\/p>\n<p><strong>Hidrauli\u010dka rezonancija.<\/strong> Ako se VPF poklopi s akusti\u010dnom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/resonance\/\">resonance<\/a> u cjevovodu ili ku\u0107i\u0161tu, amplituda je dramati\u010dno poja\u010dana, ponekad proizvode\u0107i intenzivnu strukturnu vibrac\u0438\u0458\u0443 i buku koja zahtijeva izmjene sustava.<\/p>\n<h2>4. VPF harmonici i subharmonici<\/h2>\n<h3>2\u00d7VPF i vi\u0161i harmonici<\/h3>\n<p>Vi\u0161estruki harmonici frekvencije prolaska lopatica su znak upozorenja:<\/p>\n<ul>\n<li><strong>2\u00d7VPF present:<\/strong> ukazuje na nejednolik razmak lopatica ili ekscentri\u010dnost impelera.<\/li>\n<li><strong>Vi\u0161estruke harmonike:<\/strong> upu\u0107uju na te\u0161ku hidrauli\u010dku turbulenciju ili o\u0161te\u0107enje lopatica.<\/li>\n<li><strong>Pretjerane amplitude:<\/strong> pove\u0107avaju rizik od <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/fatigue\/\">fatigue<\/a> otkaza lopatica i ku\u0107i\u0161ta.<\/li>\n<\/ul>\n<h3>Subharmonics<\/h3>\n<ul>\n<li>Frakcijske komponente kao \u0161to su VPF\/2 ili VPF\/3.<\/li>\n<li>Ukazuju na nestabilnosti protoka, uklju\u010duju\u0107i rotiraju\u0107e zaustavaljanje i stanice separacije.<\/li>\n<li>Naj\u010de\u0161\u0107e se javlja pri vrlo niskim protocima, i sli\u010dno <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/subharmonic\/\">subharmonic<\/a> phenomena.<\/li>\n<\/ul>\n<h2>5. Pra\u0107enje i trendovi<\/h2>\n<h3>Uspostavljanje referencijske vrijednosti<\/h3>\n<ul>\n<li>Zabilje\u017eite VPF kada je pumpa nova ili upravo obnovljena.<\/li>\n<li>Dokumentujte je na to\u010dki projektnog rada.<\/li>\n<li>Uspostavite normalnu omjer VPF-a prema 1\u00d7 amplitudi.<\/li>\n<li>Postavite alarme, obi\u010dno 2\u20133\u00d7 referencijsku VPF amplitudu.<\/li>\n<\/ul>\n<h3>Parametri trendova<\/h3>\n<ul>\n<li><strong>VPF amplitude:<\/strong> pra\u0107eni tijekom vremena; stalan porast signalizira razvojnu problemu.<\/li>\n<li><strong>VPF\/1\u00d7 ratio:<\/strong> trebao bi ostati relativno stabilan.<\/li>\n<li><strong>Sadr\u017eaj harmonika:<\/strong> the appearance or growth of 2\u00d7VPF and 3\u00d7VPF.<\/li>\n<li><strong>Razvoj bo\u010dnih spektralnih komponenti:<\/strong> emergence of \u00b11\u00d7 sidebands around VPF.<\/li>\n<\/ul>\n<h3>Korelacija s radnim uvjetima<\/h3>\n<ul>\n<li>Nacrtajte VPF u odnosu na protok.<\/li>\n<li>Identificirajte radnu zonu minimalnog VPF-a.<\/li>\n<li>Detektirajte kada je radna to\u010dka odstupila.<\/li>\n<li>Korelujte VPF pona\u0161anje s izmjerenom degradacijom performansi.<\/li>\n<\/ul>\n<p>This kind of <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/trend-analysis\/\">trend analysis<\/a> ovisi o dosljednim, ponovljivim spektrima. Prenosivi analizator sa dva kanala, kao \u0161to je <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> captures the <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/spectrum\/\">FFT spektar<\/a> s VPF-om jasno razrije\u0161enim u hidrauli\u010dkom podru\u010dju od 100\u2013500 Hz, tako da tehni\u010dar mo\u017ee potvrditi vrh prolaska lopatica, pratiti njegovu amplitudu i bo\u010dne komponente od posjeta do posjeta, i isklju\u010diti mehani\u010dke <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a> prije otvaranja pumpe.<\/p>\n<h2>6. Korektivne mjere<\/h2>\n<h3>Optimizacija radne to\u010dke<\/h3>\n<ul>\n<li>Prilagodite protok kako biste doveli pumpu bli\u017ee BEP-u.<\/li>\n<li>Prigu\u0161ite ispu\u0161tanje ili promijenite otpor sustava.<\/li>\n<li>Provjerite da su uvjeti usisavanja primjereni.<\/li>\n<\/ul>\n<h3>Mehani\u010dke ispravke<\/h3>\n<ul>\n<li>Zamijenite istro\u0161ene prstenove brtvljenja kako biste vratili dimenzije dizajna.<\/li>\n<li>Zamijenite istro\u0161eni ili o\u0161te\u0107eni radni kota\u010d.<\/li>\n<li>Ispravite probleme s le\u017eajima koji dozvoljavaju pomicanje radnog kota\u010da.<\/li>\n<li>Provjerite to\u010dan polo\u017eaj radnog kota\u010da, kako aksijalni tako i radijalni.<\/li>\n<\/ul>\n<h3>Hidrauli\u010dka pobolj\u0161anja<\/h3>\n<ul>\n<li>Pobolj\u0161ajte cijevnu mre\u017eu na ulazu kako biste smanjili predvrtnju i turbulenciju.<\/li>\n<li>Postavite ispravlja\u010de toka gdje je to primjereno.<\/li>\n<li>Provjerite da je dostupna primjerena NPSH margina kako biste izbjegli <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/cavitation\/\">cavitation<\/a>.<\/li>\n<li>Uklonite uklju\u010divanje zraka.<\/li>\n<\/ul>\n<h2>7. Odnos prema ostalim frekvencijama<\/h2>\n<h3>VPF versus BPF<\/h3>\n<ul>\n<li>Termini se \u010desto koriste zamjenski kod pumpi i ventila.<\/li>\n<li><strong>VPF:<\/strong> preferirani termin za pumpe (lopatice koje pokrenuo teku\u0107inu).<\/li>\n<li><strong>BPF:<\/strong> preferirani termin za ventile (lopatice koje pokrenuo zrak).<\/li>\n<li>Prora\u010dun i dijagnosti\u010dki pristup su identi\u010dni.<\/li>\n<\/ul>\n<h3>VPF naspram brzine vrtnje<\/h3>\n<ul>\n<li>VPF = N<sub>v<\/sub> \u00d7 (frekvencija brzine pogona).<\/li>\n<li>VPF je uvijek vi\u0161a frekvencija od 1\u00d7.<\/li>\n<li>Za impeler od 7 \u0161tiapova, na primjer, VPF se nalazi to\u010dno na 7\u00d7 brzini pogona.<\/li>\n<\/ul>\n<p>Frekvencija prolaska lopatica je fundamentalna hidraulna komponenta vibracija svakog centrifugalne pumpe. Savladavanje njene kalkulacije, prepoznavanje normalnih nasuprot pove\u0107anih amplituda, i koreliranje njenih obrazaca s uvjetima rada i stanjem pumpe pretvara jedan spektralni vrh u mo\u0107an dijagnosti\u010dki alat \u2014 vode\u0107i ispravne odluke o optimizaciji radne to\u010dke, vra\u0107anju zazora i zamjeni impelera. To je osnovni dio \u0161ire <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/pump-defects\/\">dijagnostike kvarova pumpe<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Nau\u010dite o frekvenciji prolaska lopatica (VPF), brzini kojom se lopatice radnog kola pumpe prolaze stati\u010dnom difuzoru ili spiralom, bitno za dijagnozu hidrauli\u010dkih i mehani\u010dkih problema.<\/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\/bs\/wp-json\/wp\/v2\/glossary\/293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/293\/revisions"}],"predecessor-version":[{"id":101369,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/293\/revisions\/101369"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}