{"id":20606,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/iso-21940-12\/"},"modified":"2026-05-23T23:05:19","modified_gmt":"2026-05-23T23:05:19","slug":"iso-21940-12","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/tl\/glossary\/iso-21940-12\/","title":{"rendered":"ISO 21940-12: Mga Pamamaraan at Toleransya para sa Balancing ng Flexible Rotor"},"content":{"rendered":"<h1>ISO 21940-12: Mga Pamamaraan at Toleransya para sa mga Rotor na may Flexible na Gawi<\/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\/20606?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\/20606?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\/20606?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\/20606?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\/20606?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\/20606?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\/20606?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\/20606?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\/\" 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\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">Magnetic Stand 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 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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\/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\/dynamic-balancer-balanset-1a\/\" title=\"Dynamic balancer \u201cBalanset-1A\u201d OEM\">Dynamic balancer \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/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\/20606?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=\"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\/20606?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=\"\">Add to cart<\/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>ISO 21940-12<\/strong> ang internasyonal na pamantayan na tumutugon sa mas mahirap na problema ng pagbabalanse <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/flexible-rotor\/\">flexible rotors<\/a> \u2014 mga rotor na ang hugis at distribusyon ng unbalance ay nagbabago nang malaki depende sa bilis, lalo na habang papalapit at lumalampas sa kanilang bending <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/critical-speed\/\">kritikal na bilis<\/a>. Ang buong pamagat nito ay <em>&#8220;Mechanical vibration \u2014 Rotor balancing \u2014 Part 12: Procedures and tolerances for rotors with flexible behaviour.&#8221;<\/em> Unlike a <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/rigid-rotor\/\">rigid rotor<\/a>, na maaaring balansehin nang isang beses sa mababang bilis at mapagkakatiwalaan na mananatiling balanse, ang isang flexible rotor na nabalanse sa pahinga ay maaaring mabiglaang mag-vibrate nang malakas sa bilis ng operasyon nito. Ang pamantayang ito ay nagbibigay ng espesyalisadong multi-speed, multi-plane na mga pamamaraan na kinakailangan ng mga rotor na ito, at ito ang natural na kasamahan ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/iso-21940-11\/\">ISO 21940-11<\/a>, na gumagabay sa mga matibay na rotor.<\/p>\n<h2>1. Saklaw at Klasipikasyon ng mga Rotor<\/h2>\n<p>Ang pamantayan ay naaangkop sa anumang rotor na ang distribusyon ng unbalance at\/o deflected shape ay nagbabago depende sa bilis. Binubuo ng ISO 21940-12 ang gawain sa paligid ng karaniwang <strong>mga pagsasaayos ng rotor<\/strong> na may flexible na kilos at ang mga pamamaraan ng pagbabalanse na angkop sa bawat isa, sa halip na isang sistemang may numerong klase. Ang malawak na binanggit na limang-kategoryang pamamaraan sa ibaba ay nagmumula sa kasalukuyang na-supersede na ISO 11342:1998 at nananatiling isang kapaki-pakinabang na gabay sa kumplikasyon ng trabaho; ang mga rotor ay umaabot mula sa malapit na rigid hanggang sa lubhang flexible:<\/p>\n<ul>\n<li><strong>Klase 1 \u2014 Matibay na mga rotor:<\/strong> ay kumikilos nang matibay sa buong saklaw ng bilis at pinamamahalaan sa ilalim ng ISO 21940-11.<\/li>\n<li><strong>Klase 2 \u2014 Quasi-matibay na mga rotor:<\/strong> ay maaaring balansehin sa mababang bilis ngunit maaaring kailanganin ang isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/trim-balance\/\">trim balance<\/a> sa bilis ng operasyon upang ayusin ang natitirang flexing.<\/li>\n<li><strong>Klase 3 \u2014 Mga rotor na nangangailangan ng balancing sa maraming bilis:<\/strong> karaniwang dumadaan sa isa o higit pang critical speed, kadalasang binabalanse gamit ang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/influence-coefficient\/\">influence coefficient<\/a> method.<\/li>\n<li><strong>Klase 4 at 5 \u2014 Lubhang Flexible na mga Rotor:<\/strong> tulad ng malalaking turbine-generator shaft, na nagpapagana ng maraming bending mode at nangangailangan ng advanced na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/modal-balancing\/\">modal balancing<\/a> upang iwasto ang bawat mode.<\/li>\n<\/ul>\n<p>Ang paglalagay ng rotor sa tamang klase ay nagbibigay-alam agad sa analyst kung gaano kakumplikado ang trabaho at kung anong pamamaraan ang gagamitin.<\/p>\n<h2>2. Mga Procedure ng Balancing: Dalawang Pangunahing Pamamaraan<\/h2>\n<p>Ang kabanatang ito ang teknikal na puso ng pamantayan. Ang sentral nitong mensahe ay ang isang low-speed balance lamang ay hindi sapat para sa isang flexible rotor at dapat dagdagan ng high-speed na gawain na isinasaalang-alang ang bending ng shaft. Inaayos ng ISO 21940-12 ang gawaing ito bilang isang pamilya ng mga pamamaraan ng pagbabalanse \u2014 low-speed na mga pamamaraan (itinakda bilang A hanggang F, tulad ng single-plane, two-plane at pagbabalanse sa mga yugto sa panahon ng pagtatayo) at high-speed na mga pamamaraan (G hanggang I, isinasagawa sa isa o higit pang mataas na bilis). Ang mga high-speed na pamamaraan ay nakabatay sa dalawang pangunahing teknik:<\/p>\n<h3>Ang Influence Coefficient Method<\/h3>\n<p>Ang versatile at malawakang ginagamit na teknik na ito ay naglalagay ng kilalang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/trial-weight\/\">trial weight<\/a> sa isang correction plane sa isang pagkakataon at itinatala ang resultang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration\/\">vibration<\/a> tugon \u2014 pareho <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/phase\/\">amplitude at phase<\/a> \u2014 sa maraming measurement point at sa iba't ibang bilis. Ang pag-ulit nito para sa bawat plane ay bumubuo ng isang matrix ng mga influence coefficient na matematikong naglalarawan kung paano nakakaapekto ang unbalance sa anumang plane sa vibration sa anumang punto at bilis. Ang isang computer ay nagba-invert ng matrix na iyon upang malutas para sa set ng correction weight mass at mga anggulo na sabay-sabay na nagpapaliit ng vibration sa buong saklaw ng operasyon. Ang parehong matematika ang pinagbabatayan ng single-plane na gawain; maaari mong tuklasin ito nang interactive gamit ang <a href=\"https:\/\/vibromera.eu\/tl\/calculators\/influence-coefficient-calculator\/\">Influence Coefficient Calculator<\/a>.<\/p>\n<h3>Modal Balancing<\/h3>\n<p>Ang modal balancing ang mas physically intuitive na pamamaraan: tinatrato nito ang bawat bending <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/mode-shape\/\">mode<\/a> ng rotor bilang isang hiwalay na problema ng unbalance. Ang rotor ay pinapatakbo sa o malapit sa isang napiling critical speed upang lubos na ma-excite ang kaukulang mode shape; ang mga sukat ng vibration ay nagtatukoy ng epektibong &#8220;heavy spot&#8221; para sa mode na iyon, at ang mga correction weight ay inilalagay sa mga puntos ng maximum na deflection \u2014 ang mga anti-node \u2014 upang kontrahin ito. Ang proseso ay inuulit mode sa mode para sa bawat makabuluhang bending mode sa loob ng operating range, binabalanse ang rotor nang isang mode sa isang pagkakataon. Ang dalawang pamamaraan ay hindi magkatunggali; ang malalaking makina ay madalas na binalanse gamit ang isang hybrid na gumagamit ng modal na kaalaman upang pumili ng mga plane at influence coefficient upang mapino ang mga timbang.<\/p>\n<h2>3. Pagpapahiwalay ng Tolerance sa Balancing<\/h2>\n<p>The simple <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/g-grade\/\">G-grade<\/a> toleransya na gumagana nang maayos para sa mga rigid na rotor ay karaniwang hindi sapat para sa mga flexible, dahil ang isang numerong eccentricity ay hindi kayang ilarawan ang speed-dependent na bending. Kaya naman, ang ISO 21940-12 ay nagpapakilala ng mas malawak na pamantayan ng toleransya, na maaaring batay sa:<\/p>\n<ul>\n<li>Limits on the <strong>residual modal unbalance<\/strong> para sa bawat makabuluhang bending mode.<\/li>\n<li>Limits on the <strong>absolute shaft vibration amplitudes<\/strong> sa mga tinukoy na lokasyon at bilis, lalo na sa service speed.<\/li>\n<li>Limits on the <strong>mga puwersa na ipinapadala sa mga bearing<\/strong>.<\/li>\n<\/ul>\n<p>Ang mga limitasyon batay sa vibration at puwersang ito ay ikinakabit ang mga pamantayan ng pagtanggap sa mga pamantayan ng severity sa serbisyo tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/iso-20816-1\/\">ISO 20816<\/a> serye, sa halip na sa isang numerong residual unbalance.<\/p>\n<h2>4. Pag-verify ng Panghuling Estado ng Balance<\/h2>\n<p>Ang pagtanggap sa isang flexible na rotor ay pundamental na naiiba mula sa isang rigid. Ang isang rigid na rotor ay bine-verify sa isang bilis; ang isang flexible na rotor ay dapat kumpirmahing nasa balanse sa buong <em>entire<\/em> operating range. Pagkatapos ng mga panghuling koreksyon, ang rotor ay dinadaan sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/run-up-analysis\/\">run-up<\/a>, na may patuloy na pagsukat ng vibration sa mga pangunahing lokasyon tulad ng mga bearing at mga puntos ng maximum na deflection. Tinatanggap ang rotor kung ang nasukat na vibration ay nananatiling mas mababa sa mga paunang natukoy na limitasyon sa lahat ng bilis \u2014 lalo na habang dumadaan sa bawat critical speed at habang nananatili sa maximum na tuluy-tuloy na operating speed. Ang komprehensibong pagsusuring ito ay nagpapatunay na ang buong dynamic na gawi ng rotor&#8217;s ay nakontrol na.<\/p>\n<h2>5. Ang Dimensyon ng Field at Mga Praktikal na Kagamitan<\/h2>\n<p>Habang maraming trabaho sa flexible rotor ang ginagawa sa mga high-speed balancing rig, ang parehong mga kasanayang pagsukat ng amplitude at phase ay inilalapat sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/field-balancing\/\">on-site na pagbabalanse<\/a> at trim balancing kapag nakainstala na ang isang makina. Ang isang portable na two-channel analyzer tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a> ay kumukuha ng 1\u00d7 amplitude at phase sa sariling mga bearing ng makina, kinakalkula ang mga influence coefficient, at nagbibigay-daan sa isang inhinyero na maglapat at mag-verify ng trim correction sa operating speed nang walang disassembly \u2014 isang madalas na pangangailangan para sa Class 2 quasi-rigid na rotor na pumapasa sa kanilang shop balance ngunit bahagyang nababaluktot pa rin sa serbisyo. Para sa mga naka-install na katamtaman at malalaking makina, ang mga dedikadong in-situ na pamamaraan at pag-iingat ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/iso-21940-13\/\">ISO 21940-13<\/a> ilapat kasama ang bahaging ito.<\/p>\n<h2>6. Mga Pangunahing Konsepto na Dapat Isaalang-alang<\/h2>\n<ul>\n<li><strong>Flexible vs matibay na pag-uugali:<\/strong> ang isang rotor ay itinuturing na flexible kapag ang operating speed nito ay umabot sa isang makabuluhang bahagi \u2014 karaniwang higit sa 70% \u2014 ng unang bending <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/natural-frequency\/\">natural frequency<\/a>. Habang ito ay mas mabilis na umiikot, binabago ng centrifugal forces ang hugis nito at binabago ang unbalance nito.<\/li>\n<li><strong>Mga critical speed at mode shape:<\/strong> ang pagkaalam ng mga critical speed ng rotor&#8217;s at ng mga hugis na binababaluktot nito sa bawat isa ay mahalaga; ang bawat mode ay isang hiwalay na problema sa balancing.<\/li>\n<li><strong>Multi-plane, multi-speed:<\/strong> ang mga pagwawasto sa ilang mga eroplano, batay sa mga pagsukat sa ilang mga bilis, ay ang pamantayan kaysa sa pagbubukod-tangi.<\/li>\n<li><strong>Modal balancing:<\/strong> isang makapangyarihang estratehiya kung saan ang mga timbang ay idinaragdag nang tiyak upang\u6253 labanan ang unbalance ng bawat bending mode sa mga anti-node nito.<\/li>\n<\/ul>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Isang overview ng ISO 21940-12, ang standard na tumutukoy sa complex procedures at tolerances na kinakailangan para sa pagbabalanse ng flexible rotors.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,112],"tags":[],"class_list":["post-20606","glossary","type-glossary","status-publish","hentry","category-glossary","category-iso-standards"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/20606","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":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/20606\/revisions"}],"predecessor-version":[{"id":101448,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/20606\/revisions\/101448"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=20606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=20606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=20606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}