{"id":197,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/pole-pass-frequency\/"},"modified":"2026-07-02T18:51:35","modified_gmt":"2026-07-02T18:51:35","slug":"pole-pass-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/lt\/glossary\/pole-pass-frequency\/","title":{"rendered":"Kas yra poliaus pra\u0117jimo da\u017enis? Variklio elektromagnetin\u0117s j\u0117gos"},"content":{"rendered":"<h1>Poli\u0173 pra\u0117jimo da\u017enio supratimas<\/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\/lt\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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 pilno komplekto ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A\">Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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\">&euro;<\/span>1,975.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">\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=\"&quot;Balanset-1A&quot; vibracijos jutiklis stambiu planu\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">Vibracijos jutiklis<\/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\">&euro;<\/span>90.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">\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=\"Optinis jutiklis (lazerinis tachometras)\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">Optinis jutiklis (lazerinis tachometras)<\/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\">&euro;<\/span>124.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/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 rotoriaus balansavimo rinkinys: ne\u0161iojimo d\u0117klas, daugiakanalis signalo kondicionierius, rankinis analizatorius, magnetinis pagrindas, vibracijos jutikliai ir susukti kabeliai.\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/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\">&euro;<\/span>6,803.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas 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=\"Magneto pagrindas.\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas Insize-60-kgf\">Magnetinis stovas 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\">&euro;<\/span>46.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">\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=\"Atspindinti juosta\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">Atspindinti juosta<\/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\">&euro;<\/span>10.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &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=\"&quot;Balanset-1A&quot; rinkinio turinys su s\u0105sajos bloku, jutikliais, tachometru ir priedais\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &quot;Balanset-1A&quot; OEM\">Dinaminis balansavimo \u012frenginys \"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\">&euro;<\/span>1,735.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/197?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=\"\">\u012e krep\u0161el\u012f<\/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>Poli\u0173 pra\u0117jimo da\u017enis<\/strong> (PPF) yra \u017eemo da\u017enio <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/vibration\/\">vibracija<\/a> komponentas, generuojamas AC indukciniame variklyje, kai besisukantis magnetinis laukas slysta pro rotori\u0173. Jis apskai\u010diuojamas kaip poli\u0173 skai\u010dius padaugintas i\u0161 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/slip-frequency\/\">slydimo da\u017enis<\/a>: PPF = poli\u0173 skai\u010dius \u00d7 (sinchroninis greitis \u2212 faktinis greitis) \/ 60. Kadangi slydimas yra ma\u017eas, PPF yra labai \u017eemas da\u017enis \u2014 paprastai tik keli hercai \u2014 ir paprastai pasirodo ne kaip atskiras pikas, o kaip <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/sidebands\/\">\u0161onin\u0117s juostos<\/a> i\u0161d\u0117stytos PPF atstumu aplink b\u0117gimo grei\u010dio ir tinklo da\u017enio komponentus. \u0160i su slydimu susijusi moduliacija labai sustipr\u0117ja, kai variklyje yra <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/air-gap\/\">air-gap<\/a> ekscentri\u0161kumas, nutr\u016bk\u0119 rotoriaus strypai arba rotoriaus ir statoriaus i\u0161lygiavimo problema. D\u0117l to PPF yra viena naudingiausi\u0173 priemoni\u0173 atskirti <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/electrical-faults\/\">elektros gedimai<\/a> nuo grynai mechanini\u0173.<\/p>\n<p>Diagnostiniu po\u017ei\u016briu PPF svarbus tod\u0117l, kad padid\u0117j\u0119 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/sidebands\/\">\u0161onin\u0117s juostos<\/a> i\u0161sid\u0117st\u0119 \u0161iuo da\u017eniu ai\u0161kiai rodo elektromagnetin\u0119 problem\u0105 \u2014 ekscentri\u0161k\u0105 rotori\u0173, nutr\u016bkusius rotoriaus strypus, netolyg\u0173 oro tarp\u0105 arba dinamin\u0119 rotoriaus ir statoriaus s\u0105veik\u0105 \u2014 o ne <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/unbalance\/\">disbalansas<\/a> arba <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/misalignment\/\">nesuderinimas<\/a>. Teisingai interpretuotas, jis analitikui parodo, ar reikia atidaryti varikl\u012f, ar ie\u0161koti gedimo kitur ma\u0161in\u0173 grandin\u0117je.<\/p>\n<h2>1. Poli\u0173 pra\u0117jimo da\u017enio apskai\u010diavimas<\/h2>\n<h3>Pagrindin\u0117 formul\u0117<\/h3>\n<ul>\n<li><strong>PPF = P \u00d7 (N<sub>sync<\/sub> \u2212 N) \/ 60<\/strong><\/li>\n<li>kur <strong>P<\/strong> = poli\u0173 skai\u010dius,<\/li>\n<li><strong>N<sub>sync<\/sub><\/strong> = sinchroninis greitis RPM (N<sub>sync<\/sub> = 120 \u00d7 tinklo da\u017enis \/ P),<\/li>\n<li><strong>N<\/strong> = faktinis rotoriaus greitis RPM,<\/li>\n<li>o rezultatas yra Hz. Dydis (N<sub>sync<\/sub> \u2212 N) \/ 60 yra slydimo da\u017enis, i\u0161reik\u0161tas Hz.<\/li>\n<\/ul>\n<p>Atkreipkite d\u0117mes\u012f, kad PPF grind\u017eiamas <em>difference<\/em> tarp sinchroninio ir faktinio grei\u010dio \u2014 tai <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/slip-frequency\/\">slydimas<\/a>. Be apkrovos indukcinis variklis dirba beveik sinchroniniu grei\u010diu, tod\u0117l PPF art\u0117ja prie nulio; did\u0117jant apkrovai, slydimas ir kartu PPF did\u0117ja, paprastai pasiekdami ma\u017edaug 0.5\u20133.5 Hz vardin\u0117s apkrovos s\u0105lygomis. Nepainiokite PPF su grynai mechanine eile P \u00d7 b\u0117gimo greitis (4 poli\u0173 varikliui ties 1750 RPM tai apie 116.7 Hz) \u2014 tai veleno sukimosi harmonika, o ne poli\u0173 pra\u0117jimo da\u017enis. Kai reikia greitai paversti b\u0117gimo greit\u012f \u012f eili\u0173 \u0161eim\u0105, m\u016bs\u0173 <a href=\"https:\/\/vibromera.eu\/lt\/calculators\/harmonic-frequency-calculator\/\">Harmoninio da\u017enio skai\u010diuokl\u0117<\/a> konvertuoja RPM \u012f Hz visose 1\u00d7\u201310\u00d7 harmonikose, o <a href=\"https:\/\/vibromera.eu\/lt\/calculators\/motor-electrical-frequencies\/\">Variklio elektros gedim\u0173 da\u017enio skai\u010diuokl\u0117<\/a> elektromagnetines da\u017eni\u0173 reik\u0161mes pateikia greta.<\/p>\n<h3>I\u0161dirbti pavyzd\u017eiai<\/h3>\n<p><strong>4 poli\u0173 variklis 1750 RPM (50 Hz maitinimas):<\/strong><\/p>\n<ul>\n<li>Sinchroninis greitis N<sub>sync<\/sub> = 120 \u00d7 60 \/ 4 = 1800 RPM.<\/li>\n<li>Slydimo da\u017enis = (1800 \u2212 1750) \/ 60 = 0.83 Hz.<\/li>\n<li><strong>PPF = 4 \u00d7 (1800 \u2212 1750) \/ 60 = 3.33 Hz<\/strong><\/li>\n<li>Vibracijos <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/spectrum\/\">spektras<\/a> ji pasirei\u0161kia kaip \u0161onin\u0117s juostos, nutolusios \u00b13.33 Hz aplink 1\u00d7 darbinio sukimosi grei\u010dio pik\u0105 (29.2 Hz) ir aplink 2\u00d7 tinklo da\u017en\u012f (120 Hz) \u2014 diagnostinis ekscentriciteto ir l\u016b\u017eusi\u0173 rotoriaus stryp\u0173 modelis.<\/li>\n<\/ul>\n<p><strong>6 poli\u0173 variklis 970 RPM (50 Hz maitinimas):<\/strong><\/p>\n<ul>\n<li>Sinchroninis greitis N<sub>sync<\/sub> = 120 \u00d7 50 \/ 6 = 1000 RPM.<\/li>\n<li>Slydimo da\u017enis = (1000 \u2212 970) \/ 60 = 0.5 Hz.<\/li>\n<li><strong>PPF = 6 \u00d7 (1000 \u2212 970) \/ 60 = 3.0 Hz<\/strong><\/li>\n<li>\u0160onin\u0117s juostos, nutolusios tik \u00b13.0 Hz aplink 1\u00d7 pik\u0105 (16.2 Hz) arba aplink 2\u00d7 tinklo da\u017en\u012f (100 Hz), lengvai nepastebimos.<\/li>\n<li>J\u0173 atskyrimui reikia kruop\u0161\u010dios, didel\u0117s rai\u0161kos <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/spectral-analysis\/\">spektrin\u0117 analiz\u0117<\/a>.<\/li>\n<\/ul>\n<h2>2. Fizinis mechanizmas<\/h2>\n<h3>Kaip generuojama elektromagnetin\u0117 j\u0117ga<\/h3>\n<p>\u012evyki\u0173 grandin\u0117, sukurianti PPF, yra paprasta:<\/p>\n<ol>\n<li>Statoriaus apvijos sukuria magnetin\u012f lauk\u0105, kuris sukasi sinchroniniu grei\u010diu.<\/li>\n<li>Tas laukas organizuojamas \u012f magnetinius polius pagal N\u2013S\u2013N\u2013S schem\u0105.<\/li>\n<li>Rotorius sukasi \u0161iek tiek l\u0117\u010diau d\u0117l slydimo, tod\u0117l lauko poliai nuolat slenka pro rotori\u0173, u\u017euot i\u0161lik\u0119 su juo u\u017erakinti.<\/li>\n<li>Kiekvien\u0105 kart\u0105, kai lauko polius praslysta pro tam tikr\u0105 viet\u0105 ant rotoriaus (didel\u0117s var\u017eos stryp\u0105, ekscentri\u0161k\u0105 oro tarpo pus\u0119), magnetin\u0117 j\u0117ga, veikianti t\u0105 viet\u0105, yra moduliuojama.<\/li>\n<li>With <strong>P<\/strong> poli\u0173, \u0161i vieta praeinama <strong>P<\/strong> kart\u0173 per vien\u0105 slydimo cikl\u0105.<\/li>\n<li>Tod\u0117l gautos moduliacijos da\u017enis yra P \u00d7 slydimo da\u017enis = PPF \u2014 l\u0117tas &#8220;mu\u0161imas&#8221;, u\u017ed\u0117tas ant b\u0117gimo grei\u010dio ir tinklo da\u017enio vibracijos.<\/li>\n<\/ol>\n<h3>Tolygus oro tarpas \u2014 sveikas variklis<\/h3>\n<ul>\n<li>Rotorius yra statoriaus i\u0161gr\u0119\u017eimo centre.<\/li>\n<li>Oro tarpas yra tolygus visu apskritimu.<\/li>\n<li>Magnetin\u0117s j\u0117gos yra subalansuotos ir viena kit\u0105 kompensuoja.<\/li>\n<li>Tod\u0117l su PPF susijusi moduliacija yra labai ma\u017eos amplitud\u0117s.<\/li>\n<\/ul>\n<h3>Ekscentrinis oro tarpas \u2014 defektinis variklis<\/h3>\n<ul>\n<li>Rotorius yra i\u0161centruotas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bearing-wear\/\">guoli\u0173 susid\u0117v\u0117jimas<\/a>, a <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bent-shaft\/\">sulenktas velenas<\/a>, arba gamybos klaida.<\/li>\n<li>Viename \u0161one oro tarpas yra ma\u017eesnis, o prie\u0161ingame \u2014 didesnis.<\/li>\n<li>Magnetin\u0117s j\u0117gos tampa nesubalansuotos \u2014 didesn\u0117s ten, kur tarpas ma\u017eesnis.<\/li>\n<li>Atsiranda bendra radialin\u0117 j\u0117ga \u2014 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/magnetic-pull\/\">nesuvyringoji magnetin\u0117 trauka<\/a> \u2014 ir ji moduliuojama PPF, kai lauko poliai slysta pro siaur\u0105j\u0105 tarpo pus\u0119.<\/li>\n<li>Aplink pagrindinius spektrinius pikus atsiranda PPF atstumu i\u0161sid\u0117s\u010diusios \u0161onin\u0117s juostos, kurios did\u0117ja did\u0117jant sunkumui.<\/li>\n<\/ul>\n<h2>3. \u0160onin\u0117s juostos ir diagnostiniai modeliai<\/h2>\n<h3>Statin\u0117 ekscentri\u0161kumas<\/h3>\n<p>\u010cia rotoriaus centras yra pasislink\u0119s, ta\u010diau statinis storiaus at\u017evilgiu:<\/p>\n<ul>\n<li><strong>Ra\u0161tas:<\/strong> padid\u0117j\u0119s 2\u00d7 tinklo da\u017enio komponentas (100\/120 Hz); poli\u0173 pra\u0117jimo \u0161onin\u0117s juostos yra silpnos arba j\u0173 n\u0117ra, nes poslinkis nesisuka kartu su velenu.<\/li>\n<li><strong>Prie\u017eastis:<\/strong> guoli\u0173 nusid\u0117v\u0117jimas, r\u0117mo arba galinio dang\u010dio deformacija arba apdirbimo klaida statoriaus angoje.<\/li>\n<li><strong>Amplitud\u0117:<\/strong> 2\u00d7 tinklo da\u017enio amplitud\u0117 rodo ekscentri\u0161kumo sunkum\u0105.<\/li>\n<\/ul>\n<h3>Dinaminis ekscentri\u0161kumas<\/h3>\n<p>\u010cia rotoriaus centras sukasi arba skrieja aplink statoriaus centr\u0105:<\/p>\n<ul>\n<li><strong>Ra\u0161tas:<\/strong> 1\u00d7 darbinio sukimosi grei\u010dio ir 2\u00d7 tinklo da\u017enio pikai su \u0161onin\u0117mis juostomis, i\u0161d\u0117stytomis PPF atstumu (pvz., \u00b13.33 Hz auk\u0161\u010diau pateiktame 4 poli\u0173 pavyzdyje).<\/li>\n<li><strong>Prie\u017eastys:<\/strong> sulenktas velenas, rotorius <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/rotor-eccentricity\/\">ekscentri\u0161kumas<\/a>, rotoriaus ir statoriaus <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/rotor-rub\/\">trinti<\/a> or bearing <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/looseness\/\">laisvumas<\/a>.<\/li>\n<li><strong>More severe:<\/strong> tai rodo aktyvi\u0105 dinamin\u0119 s\u0105veik\u0105, o ne fiksuot\u0105 poslink\u012f. Ta pati poliaus per\u0117jimo da\u017enio \u0161onini\u0173 juost\u0173 grup\u0117 aplink 1\u00d7 ir jo harmonikas yra klasikinis l\u016b\u017eusi\u0173 rotoriaus stryp\u0173 po\u017eymis.<\/li>\n<\/ul>\n<h3>Mi\u0161rus ekscentri\u0161kumas<\/h3>\n<ul>\n<li>Statini\u0173 ir dinamini\u0173 efekt\u0173 derinys.<\/li>\n<li>Tai yra da\u017eniausiai aptinkama b\u016bsena realiuose varikliuose.<\/li>\n<li>Jis sukuria sud\u0117tingus \u0161alutini\u0173 puls\u0173 modelius.<\/li>\n<li>Teisingam interpretavimui reikalinga kruop\u0161ti analiz\u0117.<\/li>\n<\/ul>\n<h2>4. Diagnostinis interpretavimas<\/h2>\n<p>Kadangi PPF yra tik keli\u0173 herc\u0173 da\u017enis, jis vertinamas pagal jo \u0161onini\u0173 juost\u0173 stiprum\u0105 aplink 1\u00d7 darbinio sukimosi grei\u010dio ir 2\u00d7 tinklo da\u017enio pikus, skaitant kaip kontinuum\u0105:<\/p>\n<h3>\u017dema \u2014 poli\u0173 pra\u0117jimo \u0161onin\u0117s juostos vos matomos vir\u0161 triuk\u0161mo lygio<\/h3>\n<ul>\n<li>Normali b\u016bsena.<\/li>\n<li>Vienodas oro tarpas ir gera rotoriaus\u2013statoriaus koncentri\u0161kumas.<\/li>\n<li>Joki\u0173 korekcijos priemoni\u0173 nereikia.<\/li>\n<\/ul>\n<h3>Vidutin\u0117 \u2014 \u0161onin\u0117s juostos ai\u0161kiai matomos, bet gerokai ma\u017eesn\u0117s u\u017e ne\u0161an\u010diojo piko amplitud\u0119<\/h3>\n<ul>\n<li>Nedidelis oro tarpo netolygumas arba ankstyva rotoriaus grandin\u0117s degradacija.<\/li>\n<li>Steb\u0117kite tendencij\u0105 ir patikrinkite guoli\u0173 b\u016bkl\u0119.<\/li>\n<li>Patikrinkite rotoriaus pad\u0117t\u012f, jei ji prieinama.<\/li>\n<li>N\u0117ra i\u0161 esm\u0117s kriti\u0161kai, ta\u010diau reikalinga d\u0117mesio.<\/li>\n<\/ul>\n<h3>Didel\u0117 \u2014 \u0161onin\u0117s juostos amplitud\u0117 art\u0117ja prie ne\u0161an\u010diojo piko<\/h3>\n<ul>\n<li>Reik\u0161mingas ekscentri\u0161kumas, nutr\u016bk\u0119 rotoriaus strypai arba oro tarpo problema.<\/li>\n<li>Ties PPF gali b\u016bti juntamas arba girdimas ry\u0161kus \u017eemo da\u017enio &#8220;mu\u0161imas&#8221;.<\/li>\n<li>Rotoriaus ir statoriaus kontakto rizika.<\/li>\n<li>Did\u0117jan\u010dios elektromagnetin\u0117s j\u0117gos, spartinan\u010dios gedim\u0105.<\/li>\n<li>Planuokite remont\u0105 arba pakeitim\u0105.<\/li>\n<\/ul>\n<p>Praktikoje analitikas retai vertina PPF atskirai. Ne\u0161iojamas dviej\u0173 kanal\u0173 analizatorius, pavyzd\u017eiui, <a href=\"https:\/\/vibromera.eu\/lt\/produktas\/balansavimas-1\/\">Balanset-1A<\/a>, naudojamas prie guoli\u0173 korpus\u0173, u\u017efiksuoja spektr\u0105 ir i\u0161skiria poliaus per\u0117jimo da\u017enio \u0161onines juostas aplink 1\u00d7 ir tinklo da\u017enio pikus \u2014 ir, ne ma\u017eiau svarbu, patvirtina, ar dominuojantis komponentas yra elektromagnetinis, ar paprastas mechaninio gedimo 1\u00d7 pikas. \u0160is skirtumas lemia visk\u0105, kas vyksta toliau: elektromagnetinis po\u017eymis nukreipia \u012f variklio vid\u0173, o \u0161varus 1\u00d7 pikas, kuris dingsta vos nutraukus maitinim\u0105, rodo <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/unbalance\/\">disbalansas<\/a> galite i\u0161taisyti <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/lauko-balansavimas\/\">lauko balansavimas<\/a> rotorius vietoje.<\/p>\n<h2>5. Ry\u0161ys su kitais variklio da\u017eniais<\/h2>\n<p>PPF yra vienas tonas perpildytame variklio spektre, ir pus\u0117 s\u0117km\u0117s yra atpa\u017einti, kur jis yra kit\u0173 gretim\u0173 da\u017eni\u0173 at\u017evilgiu. Tipin\u0117 4 poli\u0173, 1750 RPM variklio, veikian\u010dio nuo 60 Hz tinklo, hierarchija yra tokia:<\/p>\n<ul>\n<li><strong>Slydimo da\u017enis:<\/strong> (1800 \u2212 1750) \/ 60 \u2248 0.83 Hz.<\/li>\n<li><strong>PPF:<\/strong> P \u00d7 slydimo da\u017enis \u2014 \u010dia apie 3.3 Hz, \u017eemiausias tonas \u0161ioje \u0161eimoje.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/running-speed\/\">Running speed<\/a> (1\u00d7):<\/strong> about 29.2 Hz.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/electrical-frequency\/\">Tinklo da\u017enis<\/a>:<\/strong> 60 Hz (arba 50 Hz Europoje).<\/li>\n<li><strong>Rotoriaus mechanin\u0117 eil\u0117 P \u00d7 b\u0117gimo greitis:<\/strong> apie 117 Hz \u2014 da\u017enai klaidingai laikoma PPF, ta\u010diau tai yra veleno grei\u010dio harmonika.<\/li>\n<li><strong>2\u00d7 tinklo da\u017enis:<\/strong> 120 Hz (arba 100 Hz) \u2014 pagrindinis elektromagnetinis komponentas ekscentri\u0161kumui.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/motor-bar-pass-frequency\/\">Rotoriaus strypo pra\u0117jimo da\u017enis<\/a>:<\/strong> rotoriaus stryp\u0173 skai\u010dius \u00d7 b\u0117gimo greitis, kiloherc\u0173 diapazone.<\/li>\n<\/ul>\n<p>Nedidelis atstumas tarp 2\u00d7 tinklo da\u017enio (120 Hz) ir artimos <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/harmonics\/\">harmonikos<\/a> b\u0117gimo grei\u010dio eil\u0117s (\u010dia 4-oji eil\u0117 yra apie 117 Hz) tiksliai paai\u0161kina, kod\u0117l elektromagnetiniai gedimai taip lengvai painiojami su mechaniniais \u2014 ir kod\u0117l sprend\u017eiamasis po\u017eymis yra smulki poli\u0173 pra\u0117jimo \u0161onini\u0173 juost\u0173 strukt\u016bra, o ne vien amplitud\u0117. Kai vaizdas lieka neai\u0161kus, galutinis testas yra maitinimo i\u0161jungimas: elektromagnetinis komponentas i\u0161 karto i\u0161nyksta kartu su lauku, o mechaninis nyksta tik rotoriui laisvai l\u0117t\u0117jant.<\/p>\n<h2>6. Koregavimo metodai<\/h2>\n<h3>Mechaniniam ekscentri\u0161kumui<\/h3>\n<ul>\n<li>Pakeiskite susid\u0117v\u0117jusius guolius, kad atkurtum\u0117te tinkam\u0105 rotoriaus centravim\u0105<\/li>\n<li>I\u0161taisykite sulenktos veleno defekt\u0105 arba pakeiskite rotori\u0173.<\/li>\n<li>Pakeiskite rotoriaus montavimo pad\u0117t\u012f, jei gedimas atsirado d\u0117l montavimo klaidos.<\/li>\n<li>Patikrinkite galinio dang\u010dio lygiavim\u0105 ir var\u017et\u0173 tvirtum\u0105.<\/li>\n<\/ul>\n<h3>Gamybos nuokrypiams<\/h3>\n<ul>\n<li>Sunkiais atvejais gali prireikti pertekin\u0117ti rotori\u0173 arba statori\u0173.<\/li>\n<li>Pakeiskite varikl\u012f, kai tai ekonomi\u0161kai pagr\u012fsta.<\/li>\n<li>Priimkite esam\u0105 b\u016bkl\u0119, jei vibracija i\u0161lieka priimtinose ribose.<\/li>\n<li>U\u017efiksuokite tai kaip atskaitos ta\u0161k\u0105 b\u016bsimiems palyginimams.<\/li>\n<\/ul>\n<h3>Oro tarpo problemoms<\/h3>\n<ul>\n<li>Patikrinkite guoli\u0173 b\u016bkl\u0119 ir pakeiskite, jei jie susid\u0117v\u0117j\u0119.<\/li>\n<li>Patikrinkite rotoriaus a\u0161in\u0119 pad\u0117t\u012f.<\/li>\n<li>Patikrinkite, ar n\u0117ra r\u0117mo deformacijos arba galini\u0173 dang\u010di\u0173 problem\u0173.<\/li>\n<li>I\u0161matuokite faktin\u012f oro tarp\u0105 ten, kur jis prieinamas.<\/li>\n<\/ul>\n<p>Apibendrinant, poli\u0173 pra\u0117jimo da\u017enis yra su slydimu susij\u0119s, varikliui b\u016bdingas \u017eemo da\u017enio komponentas, atveriantis lang\u0105 \u012f rotoriaus ir statoriaus elektromagnetin\u0119 s\u0105veik\u0105 bei oro tarpo tolygum\u0105. Geb\u0117jimas j\u012f apskai\u010diuoti, atpa\u017einti jo \u0161onini\u0173 juost\u0173 para\u0161us ir vertinti j\u0173 amplitud\u0117s tendencijas leid\u017eia in\u017einieriui u\u017etikrintai diagnozuoti elektromagnetinius gedimus \u2014 ir nukreipti technin\u0117s prie\u017ei\u016bros pastangas ten, kur reikia, u\u017euot ie\u0161kojus mechanin\u0117s prie\u017easties, kurios i\u0161 ties\u0173 n\u0117ra.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/\">\u2190 Atgal \u012f pagrindin\u0119 rodykl\u0119<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Su\u017einokite apie poliaus pra\u0117jimo da\u017en\u012f (PPF), rotoriaus s\u0105veikos su statoriaus poliais sukuriam\u0105 vibracijos da\u017en\u012f, oro tarpo ekscentriciteto diagnostik\u0105 ir elektromagnetines problemas varikliuose.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-197","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/197\/revisions"}],"predecessor-version":[{"id":102086,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/197\/revisions\/102086"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/media?parent=197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/categories?post=197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/tags?post=197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}