{"id":166,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/motor-bar-pass-frequency\/"},"modified":"2026-07-03T09:57:15","modified_gmt":"2026-07-03T09:57:15","slug":"motor-bar-pass-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/tl\/glossary\/motor-bar-pass-frequency\/","title":{"rendered":"Ano ang Motor Bar Pass Frequency? Diagnostic ng Rotor Slot"},"content":{"rendered":"<h1>Understanding Motor Bar Pass Frequency<\/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\/tl\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer 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 full kit portable na balancer at vibration analyzer\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">Portable na balancer &#038; vibration analyzer na 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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">Sensor ng vibraci\u00f3n<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser 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=\"Optical Sensor (Laser 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser 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\">&euro;<\/span>124.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"\">Add to cart<\/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\/tl\/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\/tl\/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 rotor balancing kit: carrying case, multi-channel signal conditioner, handheld analyzer, magnetic base, mga vibration sensor, at mga coiled cable.\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/166?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/parts\/\" 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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>Motor bar pass frequency<\/strong> \u2014 tinatawag din na rotor bar pass frequency, rotor slot frequency, o simpleng bar pass \u2014 ang frequency kung saan ang mga rotor bar ng squirrel-cage induction motor ay dumadaan sa harap ng mga stator slot at winding. Ito ay katumbas ng bilang ng mga rotor bar na pinarami sa rotational frequency ng rotor, kaya't mataas ang resultang frequency nito, kadalasang nasa pagitan ng humigit-kumulang 200 at 2000 Hz depende sa sukat at bilis ng motor. Sa isang malusog na motor, ito ay isang tahimik, mababang amplitude na linya sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectrum\/\">spectrum ng vibrasyon<\/a>, ngunit kapag tumaas ito, nagpapahiwatig ito ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/eccentricity\/\">eccentricity<\/a> sa pagitan ng rotor at stator, <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/air-gap\/\">air-gap<\/a> mga problema, o iba pang electromagnetic na iregularidad. Ito ay malapit na kaugnay, ngunit naiiba, <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rotor-bar-defects\/\">mga depekto ng rotor bar<\/a> \u2014 ipinapaalam ng mga sirang bar ang kanilang sarili sa pamamagitan ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/sidebands\/\">sidebands<\/a> spaced at the pole-pass frequency (number of poles \u00d7 the <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/slip-frequency\/\">slip frequency<\/a>) around 1\u00d7, not by raising the bar-pass line itself.<\/p>\n<h2>1. Pagkalkula ng Bar Pass Frequency<\/h2>\n<h3>The formula<\/h3>\n<blockquote><p><strong>RBPF = N<sub>b<\/sub> \u00d7 N \/ 60<\/strong>, kung saan ang RBPF ay ang rotor bar pass frequency sa Hz, N<sub>b<\/sub> ay ang bilang ng mga rotor bar, at N ay ang bilis ng rotor sa RPM.<\/p><\/blockquote>\n<p>Ang istruktura ng formula ay kapareho ng ginagamit sa anumang tooth- o vane-counting frequency, tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/gear-mesh-frequency\/\">frequency ng gear mesh<\/a> or <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vane-passing-frequency\/\">vane passing frequency<\/a>: bilangin ang mga paulit-ulit na katangian, paramihin sa dalas ng pagbabalik ng mga ito. Dahil ang bilang ng bar ay karaniwang malaking numero, ang resulta ay nasa mataas na bahagi ng frequency region ng spectrum.<\/p>\n<h3>Mga halimbawang ginawa na<\/h3>\n<p><strong>Small motor:<\/strong> 28 rotor bars at 1750 RPM gives RBPF = 28 \u00d7 1750 \/ 60 = <strong>817 Hz<\/strong>.<\/p>\n<p><strong>Malaking motor:<\/strong> 56 rotor bars at 3550 RPM gives RBPF = 56 \u00d7 3550 \/ 60 = <strong>3313 Hz<\/strong>.<\/p>\n<p>Pansinin na ang bar-pass na linya ng mas malaking makina ay umabot nang higit sa 3 kHz \u2014 isang kapaki-pakinabang na paalala na ang measurement chain ay dapat maabot ang gayon kataas para makita ito. Kung nais ninyong mabilis na i-translate ang bilis ng pagpapatakbo at mga order number sa mga frequency, ang <a href=\"https:\/\/vibromera.eu\/tl\/calculators\/harmonic-frequency-calculator\/\">Calculator ng Harmonikong Dalas<\/a> gumagawa ng aritmetika.<\/p>\n<h3>Paghanap ng bilang ng mga bar<\/h3>\n<ul>\n<li>Tingnan ang nameplate ng motor o ang data sheet ng tagagawa.<\/li>\n<li>Bilangin ang mga ito nang visual kung ang rotor ay naa-access sa panahon ng pagkukumpuni.<\/li>\n<li>Back-calculate mula sa isang malinaw na natukoy na tuktok sa vibration spectrum.<\/li>\n<li>Asahan ang humigit-kumulang 16 hanggang 80 bar, depende sa sukat ng motor at bilang ng pole.<\/li>\n<\/ul>\n<h2>2. Ang Pisikal na Mekanismo<\/h2>\n<h3>Rotor-stator na pakikipag-ugnayan<\/h3>\n<p>Ang bar pass frequency ay nagmumula sa magnetic na pakikipag-ugnayan, hindi sa mekanikal na kontak:<\/p>\n<ol>\n<li>Ang mga rotor bar ay nagdadala ng induced na agos at lumilikha ng mga lokal na pagbabago sa magnetic field.<\/li>\n<li>Habang umiikot ang rotor, bawat bar ay dumadaan sa harap ng mga stator slot nang sunud-sunod.<\/li>\n<li>Ang magnetic reluctance ay tumataas at bumababa habang ang mga bar ay naaayon sa, pagkatapos ay dumadaan sa pagitan ng, mga ngipin ng stator.<\/li>\n<li>Nagbubunga ito ng maliit na pulsating na electromagnetic na puwersa sa istruktura.<\/li>\n<li>Ang rate ng pulsation ay katumbas ng rate ng pagdaan ng mga bar \u2014 ang bar pass frequency.<\/li>\n<\/ol>\n<h3>Pare-parehong laban sa hindi pare-parehong air gap<\/h3>\n<ul>\n<li><strong>Pantay na air gap:<\/strong> ang mga kontribusyon ng puwersa mula sa mga bar sa magkabilang panig ng rotor ay halos nagkakansela, na nag-iiwan ng mababang RBPF amplitude.<\/li>\n<li><strong>Eccentric na rotor:<\/strong> ang pakikipag-ugnayan ay nagiging asymmetric, nasisira ang pagkakansela, at tumataas ang RBPF amplitude.<\/li>\n<li><strong>Halaga sa diagnostiko:<\/strong> ang taas ng RBPF na linya ay samakatuwid ay isang direktang tagapagpahiwatig ng pagkakatulad ng air gap.<\/li>\n<\/ul>\n<h2>3. Kahalagahan sa Diagnosis<\/h2>\n<h3>Normal na kondisyon<\/h3>\n<ul>\n<li>Ang RBPF peak ay naroroon ngunit napakaliit \u2014 kadalasang mas mababa sa 0.5 mm\/s.<\/li>\n<li>Maaari itong halos hindi makita sa itaas ng noise floor.<\/li>\n<li>Walang mga sideband sa magkabilang panig nito.<\/li>\n<li>Kinukumpirma ng signature na ito ang pantay na air gap at magandang concentricity ng rotor-stator.<\/li>\n<\/ul>\n<h3>Ano ang sinasabi sa inyo ng mataas na RBPF<\/h3>\n<p><strong>Air-gap eccentricity.<\/strong> Ang rotor ay nasa labas ng sentro sa stator bore, tumataas ang amplitude ng RBPF, at maaaring lumabas ang mga sideband sa \u00b11\u00d7 na bilis ng pagpapatakbo. Ang pattern ay kapareho ng paraan ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/pole-pass-frequency\/\">pole pass frequency<\/a> tumataas sa ilalim ng parehong depekto.<\/p>\n<p><strong>Rotor-stator na hindi pagkakahanay.<\/strong> Kapag ang axis ng rotor ay hindi parallel sa axis ng stator, nag-iiba-iba ang air gap sa buong haba ng motor, na nagpapataas ng RBPF at ng mga harmonic nito.<\/p>\n<p><strong>Sirang o nasirang rotor bars.<\/strong> This is a different signature entirely: broken bars create sidebands around 1\u00d7 at pole-pass-frequency spacing rather than raising the bar-pass line. See <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/broken-rotor-bars\/\">sirang rotor bars<\/a> and <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rotor-bar-defects\/\">mga depekto ng rotor bar<\/a> para sa kumpletong detalye ng diagnosis.<\/p>\n<h2>4. Pagkilala ng Bar Pass Mula sa Ibang mga Frequency<\/h2>\n<h3>RBPF laban sa bearing frequencies<\/h3>\n<ul>\n<li><strong>RBPF:<\/strong> karaniwang 200\u20133000 Hz, itinakda ng motor design.<\/li>\n<li><strong>Bearing frequencies:<\/strong> karaniwang 50\u2013500 Hz para sa mga bearing ng motor.<\/li>\n<li><strong>Paano makilala:<\/strong> kalkulahin ang dalawa at ihambing ang mga ito sa mga obserbasyon na peak.<\/li>\n<li><strong>Bantayan ang pagkakatapat:<\/strong> sa malalaking motor maaaring mahulog ang RBPF sa parehong band ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/bearing-fault-frequencies\/\">bearing fault frequencies<\/a>, kaya kumpirmahin ang pinagmulan bago kumilos.<\/li>\n<\/ul>\n<h3>RBPF laban sa stator slot frequency<\/h3>\n<ul>\n<li><strong>Stator slot pass:<\/strong> bilang ng mga stator slot \u00d7 bilis ng pagpapatakbo \u2014 bihirang mahalaga.<\/li>\n<li><strong>RBPF:<\/strong> bilang ng mga rotor bar \u00d7 bilis ng pagpapatakbo \u2014 mas karaniwang napapansin.<\/li>\n<li><strong>Both present:<\/strong> sa ilang motor makikita ninyo ang bawat isa, at ang paghihiwalay sa kanila ay nakasalalay sa pagkaalam ng bilang ng bar at slot.<\/li>\n<\/ul>\n<h2>5. Praktikal na Aplikasyon<\/h2>\n<h3>Kailan subaybayan ang RBPF<\/h3>\n<ul>\n<li>Kapag pinaghihinalaang may problema sa air gap.<\/li>\n<li>Pagkatapos ng pagpapalit ng bearing, upang mapatunayan na ang rotor ay wastong nasa sentro.<\/li>\n<li>Kapag mataas ang 2\u00d7 na line frequency, na maaaring samahan ng eccentricity.<\/li>\n<li>Kapag nagtatatag ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/baseline\/\">baseline<\/a> para sa bago o muling-nabalot na motor.<\/li>\n<li>Bilang isang quality check pagkatapos ng motor repair.<\/li>\n<\/ul>\n<h3>Mga konsiderasyon sa pagsukat<\/h3>\n<ul>\n<li>Ang frequency range ng analyzer ay dapat na komportableng lampas sa dalawang beses ng RBPF (F<sub>max<\/sub> &gt; 2 \u00d7 RBPF) upang makuha ito nang walang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/aliasing\/\">aliasing<\/a>.<\/li>\n<li>An <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/accelerometer\/\">accelerometer<\/a> karaniwang kailangan sa halip na isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/velocity-transducer\/\">velocity sensor<\/a>, dahil mataas ang mga frequency.<\/li>\n<li>Sukatin sa frame ng motor o sa bearing housing.<\/li>\n<li>Laging ihambing laban sa baseline o laban sa katulad na healthy motors.<\/li>\n<\/ul>\n<h2>6. Kung Saan Akma ang Bar Pass sa Diagnosis ng Motor<\/h2>\n<p>Nakakatulong na panatilihing malinaw na nahiwalay ang dalawang motor-rotor signature. Ang linya ng bar pass ay nagsasalita tungkol sa geometriya ng air gap; ang mga sirang bar ay nagsasalita tungkol sa integridad ng elektrikal ng cage. Sa pagsasagawa maaaring mayroon ang dalawa nang sabay, kaya ang masusing <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/electrical-faults\/\">electrical-fault<\/a> na pagsusuri ay sumusubok para sa bawat isa:<\/p>\n<ul>\n<li><strong>Rotor bar defects (mga sira sa rotor bar):<\/strong> sidebands around 1\u00d7 running speed at pole-pass-frequency spacing.<\/li>\n<li><strong>RBPF issues:<\/strong> mataas na amplitude sa mismong linya ng bar-pass (mga bar \u00d7 bilis).<\/li>\n<li><strong>Maaari silang magkasamang mangyari:<\/strong> ang eccentricity at mga sirang bar ay hindi magkaparehong eksklusibo.<\/li>\n<li><strong>Komprehensibong diagnosis:<\/strong> suriin ang dalawang pattern upang makumpleto ang larawan.<\/li>\n<\/ul>\n<p>Ang ganitong uri ng high-frequency na electromagnetic na diagnosis ay kalahati ng pagsusuri ng kalusugan ng induction motor; ang kabilang kalahati ay ang low-frequency na mekanikal na mundo ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a> and <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/misalignment\/\">misalignment<\/a>. Ang isang portable na two-channel na instrumento tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a> sinasaklaw ang mekanikal na bahagi na iyon, kinukuha ang 1\u00d7 amplitude at phase na kailangan upang balansehin ang rotor sa sarili nitong mga bearing at mapatunayan ang resulta \u2014 isang natural na kasamahan sa mga spectral na pagsusuri ng motor na inilalarawan dito.<\/p>\n<p>Ang motor bar pass frequency, bagama&#8217;t hindi gaanong regular na sinusubaybayan kaysa sa mga bearing frequency o mga broken-bar signature, ay nagdadala ng tunay na diagnostic na halaga tungkol sa pagkakatulad ng air gap at rotor-stator concentricity. Ang kaalaman kung paano ito kalkulahin at makilala sa isang spectrum ay nagkukumpleto ng diagnostic na larawan para sa condition assessment ng mga squirrel-cage induction motor.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Matuto tungkol sa motor bar pass frequency, ang rate kung saan ang rotor bars ay naglalipas sa stator slots, ginagamit para sa pag-diagnose ng rotor at stator alignment issues sa induction motors.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,111],"tags":[],"class_list":["post-166","glossary","type-glossary","status-publish","hentry","category-glossary","category-rotor-balancing"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/166\/revisions"}],"predecessor-version":[{"id":102162,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/166\/revisions\/102162"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}