{"id":20636,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cavitation\/"},"modified":"2026-05-23T22:31:01","modified_gmt":"2026-05-23T22:31:01","slug":"cavitation","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/cavitation\/","title":{"rendered":"Diagnostika kavit\u00e1cie pomocou vibra\u010dnej anal\u00fdzy"},"content":{"rendered":"<h1>Diagnostika kavit\u00e1cie<\/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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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\/20636?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>Kavit\u00e1cia<\/strong> je ni\u010div\u00fd jav, ktor\u00fd sa vyskytuje v <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/pump-defects\/\">pumps<\/a> a in\u00fdch hydraulick\u00fdch syst\u00e9moch: r\u00fdchle vytv\u00e1ranie a prudk\u00e9 zr\u00fatenie (impl\u00f3zia) parn\u00fdch bubl\u00edn v kvapaline. K tomu doch\u00e1dza, ke\u010f miestny statick\u00fd tlak kvapaliny klesne pod jej parn\u00fd tlak, \u010d\u00edm kvapalina na okamih za\u010dne vrie\u0165 pri okolitej teplote a n\u00e1sledne sa op\u00e4\u0165 skondenzuje, ke\u010f sa tlak obnov\u00ed. Hoci sa tento jav \u010dasto opisuje ako \u201esy\u010danie\u201c alebo \u201echrastenie guli\u010diek\u201c, kavit\u00e1cia je v\u00fdznamn\u00fdm zdrojom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a> a m\u00f4\u017ee sp\u00f4sobi\u0165 v\u00e1\u017ene eroz\u00edvne po\u0161kodenie obe\u017en\u00fdch kolies a skr\u00ed\u0148. Predov\u0161etk\u00fdm je to zn\u00e1mka <em>hydraulick\u00fd<\/em> ide sk\u00f4r o probl\u00e9m ne\u017e o mechanick\u00fa poruchu \u2013 napriek tomu je \u013eahko zistite\u013en\u00fd pomocou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration-analysis\/\">anal\u00fdza vibr\u00e1ci\u00ed<\/a>, \u010do z neho rob\u00ed klasick\u00fd pr\u00edklad vyu\u017eitia vibr\u00e1ci\u00ed na diagnostiku poruchy procesu.<\/p>\n<h2>1. Defin\u00edcia: \u010co je kavit\u00e1cia?<\/h2>\n<p>Fyzika kavit\u00e1cie z\u00e1vis\u00ed od vz\u0165ahu medzi lok\u00e1lnym tlakom a tlakom pary. Vn\u00fatri \u010derpadla sa kvapalina zr\u00fdch\u013euje pri vstupe do stredu obe\u017en\u00e9ho kolesa a pod\u013ea Bernoulliho princ\u00edpu toto zr\u00fdchlenie zni\u017euje lok\u00e1lny tlak. Ak tlak klesne pod tlak pary danej kvapaliny, vznikaj\u00fa drobn\u00e9 parn\u00e9 dutiny. Vydr\u017eia len dovtedy, k\u00fdm ich pr\u00fad neodnesie do oblasti s vy\u0161\u0161\u00edm tlakom \u2013 zvy\u010dajne o nieko\u013eko milimetrov \u010falej pozd\u013a\u017e lopatky \u2013, kde sa takmer okam\u017eite zr\u00fatia. Ka\u017ed\u00e9 zr\u00fatenie je mikroskopick\u00e1 impl\u00f3zia, ktor\u00e1 uvo\u013e\u0148uje prudk\u00fd n\u00e1rast tlaku a v\u00fdbuch vysokofrekven\u010dnej energie. Vyn\u00e1sobte to tis\u00edckami bubl\u00edn, ktor\u00e9 sa vytv\u00e1raj\u00fa ka\u017ed\u00fa sekundu, a kumulat\u00edvnym efektom je po\u010dute\u013en\u00fd hluk a merate\u013en\u00e9 vibr\u00e1cie, spolu s pomal\u00fdm, ne\u00faprosn\u00fdm po\u0161koden\u00edm kovov\u00fdch povrchov.<\/p>\n<h2>2. Dva typy kavit\u00e1cie<\/h2>\n<h3>a) Sacia kavit\u00e1cia<\/h3>\n<p>Toto je najbe\u017enej\u0161ia forma. Vyskytuje sa vtedy, ke\u010f \u010derpadlu ch\u00fdba kvapalina \u2013 to znamen\u00e1, ke\u010f hodnota NPSHa (dostupn\u00e1 \u010dist\u00e1 pozit\u00edvna sacia v\u00fd\u0161ka) klesne pod hodnotu NPSHr (po\u017eadovan\u00e1 \u010dist\u00e1 pozit\u00edvna sacia v\u00fd\u0161ka) \u010derpadla.<\/p>\n<ul>\n<li><strong>Mechanizmus:<\/strong> N\u00edzky tlak v oku obe\u017en\u00e9ho kolesa sp\u00f4sobuje var kvapaliny a tvorbu bubl\u00edn pary. Ke\u010f s\u00fa tieto bubliny pren\u00e1\u0161an\u00e9 do oblast\u00ed s vy\u0161\u0161\u00edm tlakom v lopatk\u00e1ch obe\u017en\u00e9ho kolesa, prudko sa zr\u00fatia.<\/li>\n<li><strong>Pr\u00ed\u010diny:<\/strong> upchan\u00fd sac\u00ed filter alebo sitko, \u010diasto\u010dne uzavret\u00fd sac\u00ed ventil, pr\u00edli\u0161 dlh\u00e9 sacie potrubie alebo potrubie s pr\u00edli\u0161 mal\u00fdm priemerom, pr\u00edpadne \u010derpadlo, ktor\u00e9 mus\u00ed \u010derpa\u0165 kvapalinu z pr\u00edli\u0161 ve\u013ekej v\u00fd\u0161ky.<\/li>\n<\/ul>\n<p>Rezerva na strane sania je v podstate ot\u00e1zkou NPSH, preto je pri projektovan\u00ed alebo rie\u0161en\u00ed probl\u00e9mov v in\u0161tal\u00e1cii u\u017eito\u010dn\u00e9 tieto hodnoty v\u00fdslovne skontrolova\u0165; na\u0161e <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/npsh-calculator\/\">Kalkula\u010dka NPSH<\/a> vypo\u010d\u00edta dostupn\u00fd tlak a uk\u00e1\u017ee, ako bl\u00edzko sa syst\u00e9m nach\u00e1dza k prahu kavit\u00e1cie.<\/p>\n<h3>b) V\u00fdtlakov\u00e1 kavit\u00e1cia<\/h3>\n<p>Toto je menej \u010dast\u00e9 a vyskytuje sa, ke\u010f je v\u00fdtla\u010dn\u00fd tlak \u010derpadla extr\u00e9mne vysok\u00fd, \u010do br\u00e1ni vytekaniu kvapaliny z \u010derpadla.<\/p>\n<ul>\n<li><strong>Mechanizmus:<\/strong> Kvapalina je zachyten\u00e1 medzi lopatkami obe\u017en\u00e9ho kolesa a recirkuluje vysokou r\u00fdchlos\u0165ou, \u010d\u00edm vytv\u00e1ra n\u00edzkotlakov\u00fa v\u00e1kuov\u00fa z\u00f3nu, kde sa tvoria bubliny. Tieto bubliny potom imploduj\u00fa, ke\u010f sa pohybuj\u00fa von z n\u00edzkotlakovej oblasti.<\/li>\n<li><strong>Pr\u00ed\u010diny:<\/strong> Zablokovan\u00fd alebo zatvoren\u00fd v\u00fdtla\u010dn\u00fd ventil alebo \u010derpanie proti \u201em\u0155tvemu tlaku\u201c (\u00faplne zablokovan\u00e9 v\u00fdtla\u010dn\u00e9 potrubie).<\/li>\n<\/ul>\n<p>Vn\u00fatorn\u00e1 recirkul\u00e1cia s vysokou r\u00fdchlos\u0165ou za v\u00fdstupnou kavit\u00e1ciou \u00fazko s\u00favis\u00ed s pr\u00faden\u00edm <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/recirculation\/\">recirkul\u00e1cia<\/a>, \u010fal\u0161ia nestabilita pri n\u00edzkom prietoku, ktor\u00e1 vykazuje niektor\u00e9 z t\u00fdch ist\u00fdch pr\u00edznakov a je jednou z viacer\u00fdch <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/centrifugal-pump-defects\/\">Poruchy odstrediv\u00fdch \u010derpadiel<\/a> analytik sa nau\u010d\u00ed rozli\u0161ova\u0165.<\/p>\n<h2>3. Vibra\u010dn\u00fd podpis kavit\u00e1cie<\/h2>\n<p>Prudk\u00e1 impl\u00f3zia tis\u00edcov drobn\u00fdch bubl\u00edn pary nevytv\u00e1ra jednu, \u010dist\u00fa frekvenciu. Namiesto toho vytv\u00e1ra ve\u013emi zrete\u013en\u00fd vibra\u010dn\u00fd podpis:<\/p>\n<ul>\n<li><strong>Vysokofrekven\u010dn\u00fd \u0161irokop\u00e1smov\u00fd \u0161um:<\/strong> Hlavn\u00fdm ukazovate\u013eom je v\u00fdrazn\u00fd n\u00e1rast \u201e\u0161umovej hladiny\u201c <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">Spektrum FFT<\/a>, najm\u00e4 pri vysok\u00fdch frekvenci\u00e1ch (zvy\u010dajne nad 2 000 Hz). Prejavuje sa sk\u00f4r ako \u0161irok\u00fd \u201ehrb\u201c n\u00e1hodnej energie ne\u017e ako diskr\u00e9tne vrcholy.<\/li>\n<li><strong>N\u00e1hodn\u00e9 a nestabiln\u00e9:<\/strong> vibr\u00e1cie s\u00fa n\u00e1hodn\u00e9 a neperiodick\u00e9 \u2013 pr\u00e1ve preto nevytv\u00e1raj\u00fa \u017eiadne ostr\u00e9 l\u00ednie \u2013 a celkov\u00e1 amplit\u00fada sa m\u00f4\u017ee z okamihu na okamih v\u00fdrazne meni\u0165. Pr\u00e1ve t\u00e1to n\u00e1hodnos\u0165 odli\u0161uje kavit\u00e1ciu od be\u017en\u00e9ho pr\u00fadenia <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/turbulence\/\">turbulencia<\/a>, ktor\u00fd b\u00fdva miernej\u0161\u00ed a vyskytuje sa menej \u010dasto.<\/li>\n<li><strong>Mo\u017en\u00e9 harmonick\u00e9 kmity pri frekvencii ot\u00e1\u010dania lopatiek:<\/strong> v niektor\u00fdch pr\u00edpadoch m\u00f4\u017ee n\u00e1hodn\u00e1 energia vyvola\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu lopatky<\/a> (BPF = po\u010det lopatiek \u00d7 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a>) a jeho harmonick\u00e9 zlo\u017eky, av\u0161ak hlavn\u00fdm rysom zost\u00e1va \u0161irokop\u00e1smov\u00e1 \u0161umov\u00e1 hladina. Pri \u010derpadl\u00e1ch sa t\u00e1to zlo\u017eka \u010dasto naz\u00fdva <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vane-passing-frequency\/\">frekvencia prechodu lopatiek<\/a>.<\/li>\n<\/ul>\n<p>Ke\u010f\u017ee ide o \u0161irokop\u00e1smov\u00fa a impulzn\u00fa energiu, diagnostiku m\u00f4\u017eu spresni\u0165 met\u00f3dy prisp\u00f4soben\u00e9 opakovan\u00fdm n\u00e1razom: <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/envelope-analysis\/\">anal\u00fdza ob\u00e1lky<\/a> a ukazovatele, ako napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/crest-factor\/\">faktor vrcholu<\/a> reaguj\u00fa ve\u013emi citlivo na r\u00fdchle prechodov\u00e9 javy spojen\u00e9 s kolapsom bubl\u00edn. Ak sa kavit\u00e1cia nech\u00e1 vo\u013ene prebieha\u0165, m\u00f4\u017ee sp\u00f4sobi\u0165 sekund\u00e1rne po\u0161kodenie \u2013 er\u00f3ziu obe\u017en\u00e9ho kolesa \u2013, \u010do n\u00e1sledne vedie k skuto\u010dn\u00e9mu mechanick\u00e9mu <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> \u010do sa prejavuje ako vysok\u00fd 1\u00d7 vrchol, \u010do je u\u017eito\u010dn\u00e1 pripomienka, \u017ee jedna porucha m\u00f4\u017ee sp\u00f4sobi\u0165 \u010fal\u0161iu.<\/p>\n<h2>4. Potvrdenie<\/h2>\n<p>Ke\u010f\u017ee ide o sign\u00e1l n\u00e1hodn\u00e9ho \u0161umu, m\u00f4\u017ee sa zameni\u0165 s in\u00fdmi zdrojmi s\u00favisiacimi s turbulenciou alebo pr\u00faden\u00edm, preto je vhodn\u00e9 situ\u00e1ciu overi\u0165 sk\u00f4r, ako sa pust\u00edte do opravy:<\/p>\n<ul>\n<li><strong>Po\u010d\u00favanie:<\/strong> Kavit\u00e1cia \u010dasto vyd\u00e1va zrete\u013en\u00fd zvuk, akoby sa vo vn\u00fatri \u010derpadla kot\u00fa\u013eali kamienky alebo guli\u010dky \u2013 \u010dasto je to prv\u00fd n\u00e1znak, ktor\u00fd si obsluha v\u0161imne priamo v prev\u00e1dzke.<\/li>\n<li><strong>Zmeny v procesoch:<\/strong> Ak m\u00e1te podozrenie na kavit\u00e1ciu na strane sania, opatrn\u00e9 a pomal\u00e9 otvorenie \u010diasto\u010dne uzavret\u00e9ho sacieho ventilu alebo vy\u010distenie sacieho filtra by malo okam\u017eite zn\u00ed\u017ei\u0165 alebo \u00faplne odstr\u00e1ni\u0165 vysokofrekven\u010dn\u00fd hluk. Tento test zalo\u017een\u00fd na cielen\u00fdch zmen\u00e1ch a n\u00e1slednom pozorovan\u00ed patr\u00ed medzi naj\u00fa\u010dinnej\u0161ie dostupn\u00e9 met\u00f3dy overenia, preto\u017ee priamo p\u00f4sob\u00ed na hydraulick\u00fa pr\u00ed\u010dinu.<\/li>\n<\/ul>\n<p>Je mimoriadne d\u00f4le\u017eit\u00e9 r\u00fdchlo rie\u0161i\u0165 kavit\u00e1ciu. Ka\u017ed\u00e1 impl\u00f3zia p\u00f4sob\u00ed ako mikroskopick\u00e9 pr\u00fadov\u00e9 kladivo, ktor\u00e9 odlupuje lamely obe\u017en\u00e9ho kolesa a \u0161pir\u00e1lov\u00fa komoru \u010derpadla, \u010do vedie k pred\u010dasnej poruche. V praxi sa postupuje tak, \u017ee sa na vibra\u010dnom analyz\u00e1tore over\u00ed \u0161irokop\u00e1smov\u00fd sign\u00e1l, vyl\u00fa\u010di sa hydraulick\u00e1 pr\u00ed\u010dina a n\u00e1sledne sa over\u00ed, \u010di sa stroj vr\u00e1til do bezchybn\u00e9ho mechanick\u00e9ho stavu. Prenosn\u00fd dvojkan\u00e1lov\u00fd pr\u00edstroj, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> je na tento z\u00e1vere\u010dn\u00fd krok ide\u00e1lny: hne\u010f ako je porucha procesu odstr\u00e1nen\u00e1, zmeria 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/phase\/\">amplit\u00fada a f\u00e1za<\/a> v lo\u017eisk\u00e1ch samotn\u00e9ho \u010derpadla pri prev\u00e1dzkovej r\u00fdchlosti, tak\u017ee ak\u00e9ko\u013evek zvy\u0161kov\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/imbalance\/\">nerovnov\u00e1ha<\/a> straty sp\u00f4soben\u00e9 er\u00f3ziou je mo\u017en\u00e9 kvantifikova\u0165 a napravi\u0165 priamo na mieste <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/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>Sprievodca identifik\u00e1ciou kavit\u00e1cie \u010derpadla pomocou vibra\u010dnej anal\u00fdzy, ktor\u00e1 sa vyzna\u010duje vysokofrekven\u010dn\u00fdm, n\u00e1hodn\u00fdm \u0161irokop\u00e1smov\u00fdm \u0161umom a potenci\u00e1lnym po\u0161koden\u00edm komponentov \u010derpadla.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-20636","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/20636","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\/20636\/revisions"}],"predecessor-version":[{"id":101255,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/20636\/revisions\/101255"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=20636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=20636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=20636"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}