{"id":140,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/hydraulic-forces\/"},"modified":"2026-05-23T22:43:23","modified_gmt":"2026-05-23T22:43:23","slug":"hydraulic-forces","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/ro\/glossary\/hydraulic-forces\/","title":{"rendered":"Ce sunt for\u021bele hidraulice? Surse de vibra\u021bii ale pompei"},"content":{"rendered":"<h1>\u00cen\u021belegerea for\u021belor hidraulice \u00een pompe<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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 kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii Balanset-1A\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">\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=\"Senzor optic (tahometru cu laser)\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu laser)<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\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=\"Band\u0103 reflectorizant\u0103\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/wp-json\/wp\/v2\/glossary\/140?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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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>For\u021be hidraulice<\/strong> sunt for\u021bele pe care un lichid \u00een mi\u0219care le exercit\u0103 asupra componentelor pompei: sarcini induse de presiune asupra paletelor rotorului, for\u021ba de \u00eempingere axial\u0103 generat\u0103 de diferen\u021ba de presiune de-a lungul rotorului, for\u021bele radiale rezultate din distribu\u021bia asimetric\u0103 a presiunii \u0219i for\u021bele pulsatorii generate de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/flow-turbulence\/\">turbulen\u021ba fluxului<\/a> \u0219i interac\u021biunea dintre palet\u0103 \u0219i voluta. Acestea sunt fundamental diferite de for\u021bele mecanice generate de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru<\/a> sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealiniere<\/a>, deoarece acestea sunt generate de presiunea fluidului \u0219i de varia\u021biile impulsului, mai degrab\u0103 dec\u00e2t de masa \u00een rota\u021bie \u2014 \u0219i se manifest\u0103 \u00een spectru sub forma <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vane-passing-frequency\/\">frecven\u021ba de trecere a paletei<\/a> \u0219i armonicele asociate acestora. \u00cen\u021belegerea acestora este esen\u021bial\u0103 pentru fiabilitatea pompei: for\u021bele hidraulice genereaz\u0103 sarcini asupra rulmen\u021bilor, deformarea arborelui \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> care variaz\u0103 \u00een func\u021bie de condi\u021biile de func\u021bionare \u2014 debitul, presiunea \u0219i propriet\u0103\u021bile fluidului \u2014 determin\u00e2nd o pomp\u0103 s\u0103 se comporte cu totul altfel dec\u00e2t echipamentele ale c\u0103ror for\u021be sunt pur mecanice.<\/p>\n<h2>1. Defini\u021bie: Ce sunt for\u021bele hidraulice?<\/h2>\n<p>\u00centr-o pomp\u0103 ideal\u0103, lichidul ar exercita o presiune uniform\u0103 asupra fiec\u0103rei p\u0103r\u021bi a rotorului \u0219i a carcasei, iar singurele for\u021be la care ar fi supus arborele ar fi cele mecanice. Realitatea este mai complicat\u0103. Presiunea este mai mare la refulare dec\u00e2t la aspira\u021bie, este distribuit\u0103 inegal \u00een jurul periferiei rotorului \u0219i pulseaz\u0103 de fiecare dat\u0103 c\u00e2nd o palet\u0103 trece pe l\u00e2ng\u0103 limba carcasei. Suma acestor efecte este un set de sarcini constante, care variaz\u0103 lent \u0219i pulseaz\u0103 rapid, care ac\u021bioneaz\u0103 asupra rotorului \u0219i structurii. \u00cen mod crucial, m\u0103rimea acestora depinde de <em>\u00een cazul \u00een care pompa func\u021bioneaz\u0103 pe curba sa<\/em> \u2014 un fapt care \u00eei ofer\u0103 inginerului de diagnosticare un avantaj considerabil, deoarece modificarea debitului determin\u0103 modificarea for\u021belor.<\/p>\n<h2>2. Tipuri de for\u021be hidraulice<\/h2>\n<h3>2.1 For\u021ba de \u00eempingere axial\u0103 (for\u021ba de \u00eempingere hidraulic\u0103)<\/h3>\n<p>For\u021ba axial\u0103 net\u0103 generat\u0103 de diferen\u021ba de presiune dintre cele dou\u0103 p\u0103r\u021bi ale rotorului:<\/p>\n<ul>\n<li><strong>Mecanism:<\/strong> Presiunea de refulare ac\u021bioneaz\u0103 pe o parte a rotorului, iar presiunea de aspira\u021bie pe cealalt\u0103.<\/li>\n<li><strong>Direc\u0163ie:<\/strong> de obicei spre partea de aspira\u021bie (partea din spate a rotorului).<\/li>\n<li><strong>Magnitudine:<\/strong> poate atinge mii de livre-for\u021b\u0103 chiar \u0219i la pompele de dimensiuni medii.<\/li>\n<li><strong>Efect:<\/strong> loads the <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/thrust-bearing\/\">rulment axial<\/a> and can cause <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/axial-vibration\/\">vibra\u021bii axiale<\/a>.<\/li>\n<li><strong>Variaz\u0103 \u00een func\u021bie de:<\/strong> debitul, presiunea \u0219i configura\u021bia rotorului.<\/li>\n<\/ul>\n<h4>Metode de echilibrare a for\u021belor axiale<\/h4>\n<ul>\n<li><strong>Balance holes:<\/strong> orificii prin discul rotorului care egalizeaz\u0103 presiunea pe ambele p\u0103r\u021bi ale acestuia.<\/li>\n<li><strong>Back vanes:<\/strong> paletele de pe carenajul din spate care pompeaz\u0103 fluidul spre exterior pentru a reduce presiunea din spate.<\/li>\n<li><strong>Rotoare cu dubl\u0103 aspira\u021bie:<\/strong> un design simetric \u00een care for\u021bele exercitate de cele dou\u0103 p\u0103r\u021bi se anuleaz\u0103 reciproc.<\/li>\n<li><strong>Rotoare opuse:<\/strong> pompe multietajate cu rotoare orientate \u00een direc\u021bii opuse.<\/li>\n<\/ul>\n<h3>2.2 For\u021bele radiale<\/h3>\n<p>For\u021bele laterale generate de o distribu\u021bie asimetric\u0103 a presiunii \u00een jurul rotorului:<\/p>\n<h4>La punctul de eficien\u021b\u0103 maxim\u0103 (BEP)<\/h4>\n<ul>\n<li>Distribu\u021bia presiunii este relativ simetric\u0103 \u00een jurul rotorului.<\/li>\n<li>For\u021bele radiale se echilibreaz\u0103 \u0219i se anuleaz\u0103 \u00een mare parte.<\/li>\n<li>For\u021ba radial\u0103 net\u0103 este minim\u0103.<\/li>\n<li>Aceasta este starea cu cel mai sc\u0103zut nivel de vibra\u021bii.<\/li>\n<\/ul>\n<h4>\u00cen afara BEP \u2014 debit redus<\/h4>\n<ul>\n<li>Distribu\u021bia presiunii \u00een volut\u0103 devine asimetric\u0103.<\/li>\n<li>Se exercit\u0103 o for\u021b\u0103 radial\u0103 net\u0103 \u00een direc\u021bia limbii volutei (pintenul).<\/li>\n<li>Intensitatea sa cre\u0219te pe m\u0103sur\u0103 ce debitul scade.<\/li>\n<li>La oprire, aceasta poate ajunge la 20\u201340 % din greutatea rotorului.<\/li>\n<li>For\u021ba radial\u0103 de rota\u021bie se manifest\u0103 sub forma unei vibra\u021bii de 1\u00d7.<\/li>\n<\/ul>\n<h4>\u00cen afara BEP \u2014 debit mare<\/h4>\n<ul>\n<li>Se formeaz\u0103 un model de asimetrie diferit.<\/li>\n<li>Exist\u0103 o for\u021b\u0103 radial\u0103, dar aceasta este, de obicei, mai mic\u0103 dec\u00e2t \u00een cazul unui debit redus.<\/li>\n<li>Turbulen\u021ba fluxului adaug\u0103 componente ale for\u021bei de natur\u0103 aleatorie.<\/li>\n<\/ul>\n<h3>2.3 Puls\u0103ri generate de trecerea paletelor<\/h3>\n<p>Impulsuri periodice de presiune generate pe m\u0103sur\u0103 ce fiecare palet\u0103 trece pe l\u00e2ng\u0103 pintenul volutei:<\/p>\n<ul>\n<li><strong>Frecven\u0163\u0103:<\/strong> num\u0103rul de pale \u00d7 tura\u021bie \/ 60.<\/li>\n<li><strong>Mecanism:<\/strong> fiecare palet\u0103 care trece pe l\u00e2ng\u0103 pinten produce un impuls de presiune.<\/li>\n<li><strong>For\u021be:<\/strong> ac\u021bioneaz\u0103 asupra rotorului, volutei \u0219i carcasei.<\/li>\n<li><strong>Vibra\u021bii:<\/strong> dominant\u0103 la frecven\u021ba de trecere a paletei.<\/li>\n<li><strong>Magnitudine:<\/strong> depinde de jocul pintenului, de punctul de func\u021bionare \u0219i de proiectare.<\/li>\n<\/ul>\n<h3>2.4 For\u021bele de recirculare<\/h3>\n<ul>\n<li>For\u021be instabile de joas\u0103 frecven\u021b\u0103 provenite din instabilit\u0103\u021bile de curgere<\/li>\n<li>Se produc la debite foarte mici \u2014 \u0219i, uneori, foarte mari.<\/li>\n<li>Frecven\u021bele variaz\u0103 de obicei \u00eentre 0,2 \u0219i 0,8 ori viteza de rota\u021bie, \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sub-synchronous\/\">subsincron<\/a> band.<\/li>\n<li>Poate genera vibra\u021bii puternice de joas\u0103 frecven\u021b\u0103.<\/li>\n<li>Un semn clar c\u0103 func\u021bioneaz\u0103 departe de punctul de eficien\u021b\u0103 maxim\u0103 (BEP) \u2014 vezi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/recirculation\/\">recirculare<\/a>.<\/li>\n<\/ul>\n<h2>3. Efectele asupra performan\u021bei pompei<\/h2>\n<h3>\u00cenc\u0103rcarea lag\u0103relor<\/h3>\n<ul>\n<li>For\u021bele radiale hidraulice se adaug\u0103 la sarcinile mecanice care ac\u021bioneaz\u0103 asupra rulmen\u021bilor.<\/li>\n<li>For\u021be variabile genereaz\u0103 o solicitare ciclic\u0103.<\/li>\n<li>\u00cenc\u0103rcarea este cea mai mare \u00een condi\u021bii de debit redus.<\/li>\n<li>Alegerea rulmentului trebuie s\u0103 \u021bin\u0103 seama de componenta hidraulic\u0103.<\/li>\n<li>Durata de via\u021b\u0103 a rulmentului scade brusc odat\u0103 cu cre\u0219terea sarcinii (durata de via\u021b\u0103 este propor\u021bional\u0103 cu 1\/(sarcin\u0103\u00b3)), a\u0219a c\u0103 o valoare modest\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-load\/\">Calculul duratei de via\u021b\u0103 a rulmentului L10<\/a> poate demonstra \u00een ce m\u0103sur\u0103 o for\u021b\u0103 radial\u0103 de debit redus scurteaz\u0103 durata de via\u021b\u0103.<\/li>\n<\/ul>\n<h3>Deformarea arborelui<\/h3>\n<ul>\n<li>For\u021bele radiale provoac\u0103 deformarea arborelui.<\/li>\n<li>Acest lucru modific\u0103 jocurile garniturilor \u0219i ajustarea inelelor de uzur\u0103.<\/li>\n<li>Poate reduce eficien\u021ba.<\/li>\n<li>\u00cen cazuri extreme, aceasta duce la o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/rotor-rub\/\">rub<\/a>.<\/li>\n<\/ul>\n<h3>Generarea vibra\u021biilor<\/h3>\n<ul>\n<li><strong>1\u00d7 component:<\/strong> din for\u021ba radial\u0103 constant\u0103 sau care variaz\u0103 lent.<\/li>\n<li><strong>Componenta VPF:<\/strong> din cauza fluctua\u021biilor de presiune.<\/li>\n<li><strong>Low-frequency:<\/strong> din cauza recircul\u0103rii \u0219i a altor instabilit\u0103\u021bi.<\/li>\n<li><strong>Dependent de punctul de func\u021bionare:<\/strong> imaginea de ansamblu se schimb\u0103 \u00een func\u021bie de debitul de curgere.<\/li>\n<\/ul>\n<h3>Solicitarea mecanic\u0103<\/h3>\n<ul>\n<li>For\u021bele ciclice impun <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fatigue\/\">oboseal\u0103<\/a> loading.<\/li>\n<li>Paletele rotorului sunt supuse unor solicit\u0103ri cauzate de diferen\u021bele de presiune.<\/li>\n<li>Arborele este supus la oboseal\u0103 din cauza momentelor de \u00eencovoiere.<\/li>\n<li>Carcasa este solicitat\u0103 de pulsa\u021biile de presiune.<\/li>\n<\/ul>\n<h2>4. Reducerea la minimum a for\u021belor hidraulice<\/h2>\n<h3>Func\u021biona\u021bi \u00een apropierea punctului de eficien\u021b\u0103 maxim\u0103 (BEP)<\/h3>\n<ul>\n<li>Cea mai eficient\u0103 strategie pentru reducerea la minimum a for\u021belor hidraulice.<\/li>\n<li>\u00cencerca\u021bi s\u0103 func\u021biona\u021bi, pe c\u00e2t posibil, la un debit cuprins \u00eentre 80 \u0219i 110 % din debitul la punctul de eficien\u021b\u0103 maxim\u0103 (BEP).<\/li>\n<li>For\u021bele radiale ating valoarea minim\u0103 la punctul de eficien\u021b\u0103 maxim\u0103 (BEP).<\/li>\n<li>Vibra\u021biile \u0219i sarcinile asupra rulmen\u021bilor sunt reduse la minimum \u00een mod simultan.<\/li>\n<\/ul>\n<h3>Caracteristici constructive<\/h3>\n<ul>\n<li><strong>Pompe cu difuzor:<\/strong> o distribu\u021bie a presiunii mai simetric\u0103 dec\u00e2t \u00een cazul unei singure volute.<\/li>\n<li><strong>Volut\u0103 dubl\u0103:<\/strong> dou\u0103 praguri de admisie dispuse la 180\u00b0 unul fa\u021b\u0103 de cel\u0103lalt, care echilibreaz\u0103 for\u021bele radiale.<\/li>\n<li><strong>Jocuri mai mari la cutwater:<\/strong> s\u0103 reduc\u0103 impulsurile de presiune generate de trecerea palelor (cu pre\u021bul unei u\u0219oare sc\u0103deri a randamentului).<\/li>\n<li><strong>Alegerea num\u0103rului de palete:<\/strong> alese pentru a evita rezonan\u021bele acustice.<\/li>\n<\/ul>\n<h3>System design<\/h3>\n<ul>\n<li>Asigura\u021bi protec\u021bia \u00eempotriva recircul\u0103rii cu debit minim pentru pompele de sarcin\u0103 de baz\u0103.<\/li>\n<li>Alege\u021bi dimensiunea corespunz\u0103toare a pompei \u00een func\u021bie de sarcina real\u0103 \u0219i evita\u021bi alegerea unei pompe prea mari.<\/li>\n<li>Utiliza\u021bi un variator de vitez\u0103 pentru a men\u021bine punctul optim de func\u021bionare.<\/li>\n<li>Proiecta\u021bi orificiul de admisie astfel \u00eenc\u00e2t s\u0103 reduce\u021bi la minimum turbulen\u021bele \u0219i efectul de pre-v\u00e2rtej.<\/li>\n<\/ul>\n<h2>5. Utilizarea \u00een scop diagnostic<\/h2>\n<h3>Curbele de performan\u021b\u0103 \u0219i for\u021bele hidraulice<\/h3>\n<ul>\n<li>Reprezenta\u021bi grafic vibra\u021biile \u00een func\u021bie de debitul de lichid.<\/li>\n<li>Vibra\u021biile minime se \u00eenregistreaz\u0103 de obicei la punctul de eficien\u021b\u0103 maxim\u0103 (BEP) sau \u00een apropierea acestuia.<\/li>\n<li>Cre\u0219terea vibra\u021biilor la debit redus indic\u0103 prezen\u021ba unor for\u021be radiale mari.<\/li>\n<li>Graficul ajut\u0103 la stabilirea unui interval de func\u021bionare adecvat.<\/li>\n<\/ul>\n<h3>VPF analysis<\/h3>\n<ul>\n<li>Amplitudinea VPF indic\u0103 intensitatea pulsa\u021biei hidraulice.<\/li>\n<li>O valoare VPF \u00een cre\u0219tere indic\u0103 deteriorarea jocurilor sau o modificare a punctului de func\u021bionare.<\/li>\n<li>VPF <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> indic\u0103 un flux turbulent, perturbat.<\/li>\n<\/ul>\n<p>Distingerea acestor semnale hidraulice de cele pur mecanice reprezint\u0103 esen\u021ba diagnostic\u0103rii pompelor, iar acesta este momentul \u00een care un analizor portabil \u00ee\u0219i dovede\u0219te utilitatea pe teren. <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> capteaz\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectrul de vibra\u021bii<\/a> pe carcasele rulmen\u021bilor \u0219i identific\u0103 componentele de ordinul 1, VPF \u0219i cele de joas\u0103 frecven\u021b\u0103, astfel \u00eenc\u00e2t un inginer s\u0103 poat\u0103 decide dac\u0103 o valoare ridicat\u0103 necesit\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">echilibrarea la fa\u021ba locului<\/a> (o solu\u021bie mecanic\u0103) sau o modificare a punctului de func\u021bionare (o solu\u021bie hidraulic\u0103) \u2014 iar \u00een cazul \u00een care diagnosticul indic\u0103 un dezechilibru, echilibra\u021bi rotorul \u0219i verifica\u021bi rezultatul pe loc.<\/p>\n<h2>6. Aspecte legate de m\u0103surare<\/h2>\n<h3>Punctele de m\u0103surare a vibra\u021biilor<\/h3>\n<ul>\n<li><strong>Carcase de rulmen\u021bi:<\/strong> s\u0103 detecteze for\u021bele mecanice \u0219i hidraulice combinate.<\/li>\n<li><strong>Pump casing:<\/strong> mai sensibil la pulsa\u021biile hidraulice.<\/li>\n<li><strong>Conducte de aspira\u021bie \u0219i de refulare:<\/strong> transmit oscila\u021biile de presiune.<\/li>\n<li><strong>Mai multe loca\u021bii:<\/strong> compararea acestora ajut\u0103 la distingerea surselor hidraulice de cele mecanice.<\/li>\n<\/ul>\n<h3>M\u0103surarea puls\u0103rii presiunii<\/h3>\n<ul>\n<li>Monta\u021bi traductoare de presiune pe conductele de aspira\u021bie \u0219i de refulare.<\/li>\n<li>Acestea m\u0103soar\u0103 direct pulsa\u021biile hidraulice.<\/li>\n<li>Corela\u021bi datele privind pulsa\u021biile cu vibra\u021biile.<\/li>\n<li>Folosi\u021bi aceast\u0103 combina\u021bie pentru a identifica rezonan\u021bele acustice.<\/li>\n<\/ul>\n<p>For\u021bele hidraulice sunt esen\u021biale pentru func\u021bionarea unei pompe \u0219i reprezint\u0103 o surs\u0103 major\u0103 de vibra\u021bii \u0219i solicit\u0103ri ale acesteia. \u00cen\u021belegerea modului \u00een care aceste for\u021be variaz\u0103 \u00een func\u021bie de condi\u021biile de func\u021bionare, recunoa\u0219terea semn\u0103turilor lor \u00een spectrul de vibra\u021bii, precum \u0219i proiectarea \u0219i exploatarea pompelor \u00een vederea men\u021binerii acestor for\u021be la un nivel redus \u2014 \u00een principal prin func\u021bionarea \u00een apropierea punctului de eficien\u021b\u0103 maxim\u0103 (BEP) \u2014 sunt esen\u021biale pentru asigurarea unei performan\u021be fiabile \u0219i de lung\u0103 durat\u0103 a pompelor \u00een aplica\u021bii industriale. Pentru o analiz\u0103 mai aprofundat\u0103 a defec\u021biunilor provocate de aceste for\u021be, consulta\u021bi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/centrifugal-pump-defects\/\">defec\u021biuni ale pompelor centrifuge<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/impeller-defects\/\">defecte ale paletelor rotorului<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre for\u021bele hidraulice din pompe, sarcinile induse de presiune din curgerea fluidului care creeaz\u0103 vibra\u021bii la frecven\u021ba de trecere a paletelor, for\u021bele axiale de \u00eempingere \u0219i for\u021bele radiale care afecteaz\u0103 fiabilitatea.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-140","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/140\/revisions"}],"predecessor-version":[{"id":101337,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/140\/revisions\/101337"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}