{"id":239,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/sidebands\/"},"modified":"2026-05-23T22:39:33","modified_gmt":"2026-05-23T22:39:33","slug":"sidebands","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/sidebands\/","title":{"rendered":"Co jsou postrann\u00ed p\u00e1sma ve vibra\u010dn\u00ed anal\u00fdze?"},"content":{"rendered":"<h1>Pochopen\u00ed postrann\u00edch p\u00e1sem ve vibra\u010dn\u00ed anal\u00fdze<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan Insize-60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00ed p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/239?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>Postrann\u00ed p\u00e1sma<\/strong> jsou mal\u00e9 frekven\u010dn\u00ed vrcholy, kter\u00e9 se v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Spektrum FFT<\/a> objevuj\u00ed v pravideln\u00fdch intervalech po obou stran\u00e1ch v\u011bt\u0161\u00edho centr\u00e1ln\u00edho vrcholu ozna\u010dovan\u00e9ho jako <strong>nosn\u00e1 frekvence<\/strong>. Jejich p\u0159\u00edtomnost je jednozna\u010dn\u00fdm p\u0159\u00edznakem <strong>modulace<\/strong> \u2014 stavu, p\u0159i n\u011bm\u017e je jeden sign\u00e1l &#8220;vtiskov\u00e1n&#8221; do jin\u00e9ho \u2014 p\u0159i\u010dem\u017e rozestup mezi postrann\u00edmi p\u00e1smy odpov\u00edd\u00e1 frekvenci modula\u010dn\u00edho sign\u00e1lu. Proto\u017ee tento rozestup p\u0159\u00edmo poukazuje na rotuj\u00edc\u00ed prvek, kter\u00fd za jev odpov\u00edd\u00e1, pat\u0159\u00ed postrann\u00ed p\u00e1sma k nejsiln\u011bj\u0161\u00edm a nejpr\u016fkazn\u011bj\u0161\u00edm diagnostick\u00fdm vzor\u016fm v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a>, zejm\u00e9na pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-defects\/\">gearbox<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-defects\/\">lo\u017eisko<\/a> detekci z\u00e1vad.<\/p>\n<h2>1. Co jsou postrann\u00ed p\u00e1sma: modulace ve spektru<\/h2>\n<p>Modulace je pojem dob\u0159e zn\u00e1m\u00fd z r\u00e1diov\u00e9 techniky a mechanismus v p\u0159evodovce je stejn\u00fd. Stabiln\u00ed vysokofrekven\u010dn\u00ed t\u00f3n (nosn\u00e1) m\u011bn\u00ed svou intenzitu v rytmu pomalej\u0161\u00edho opakuj\u00edc\u00edho se d\u011bje (modul\u00e1toru); ve spektru tato zm\u011bna nezaml\u017euje vrchol nosn\u00e9 \u2014 odd\u011bluje energii do symetrick\u00fdch satelitn\u00edch vrchol\u016f. Nosn\u00e1 samotn\u00e1 b\u00fdv\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/forced-vibration\/\">vynucen\u00e9 kmit\u00e1n\u00ed<\/a> vznikaj\u00edc\u00ed p\u0159i norm\u00e1ln\u00edm provozu, zat\u00edmco modul\u00e1torem je rytmus jednoho ot\u00e1\u010den\u00ed vadn\u00e9ho prvku. Rozpozn\u00e1n\u00ed tohoto vzoru je to, co odli\u0161uje spolehlivou diagn\u00f3zu od pouh\u00e9ho odhadu.<\/p>\n<h2>2. Jak vznikaj\u00ed postrann\u00ed p\u00e1sma<\/h2>\n<p>Postrann\u00ed p\u00e1sma vznikaj\u00ed tehdy, kdy\u017e prim\u00e1rn\u00ed vibra\u010dn\u00ed sign\u00e1l \u2014 nosn\u00e1 \u2014 m\u011bn\u00ed v \u010dase svou amplitudu vlivem druh\u00e9ho, pomalej\u0161\u00edho sign\u00e1lu: modul\u00e1toru. Klasick\u00fdm p\u0159\u00edkladem je vadn\u00fd zub ozuben\u00e9ho kola:<\/p>\n<ul>\n<li>Na str\u00e1nk\u00e1ch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-mesh-frequency\/\">Frekvence z\u00e1b\u011bru ozuben\u00fdch kol (GMF)<\/a> je nosn\u00e1. Jde o vysokou frekvenci generovanou norm\u00e1ln\u00edm z\u00e1b\u011brem zub\u016f ozuben\u00e9ho kola.<\/li>\n<li>Jeden praskl\u00fd zub na tomto kole zp\u016fsobuje r\u00e1z jednou za ot\u00e1\u010dku. Poka\u017ed\u00e9, kdy\u017e vadn\u00fd zub vstoup\u00ed do z\u00e1b\u011bru, tento r\u00e1z moduluje \u2014 m\u011bn\u00ed amplitudu \u2014 sign\u00e1lu GMF.<\/li>\n<li>Na str\u00e1nk\u00e1ch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">rychlost ot\u00e1\u010den\u00ed<\/a> ozuben\u00e9ho kola je proto modula\u010dn\u00ed frekvenc\u00ed.<\/li>\n<\/ul>\n<p>V\u00fdsledkem ve FFT spektru je velk\u00fd peak na GMF (nosn\u00e9 frekvenci) lemovan\u00fd men\u0161\u00edmi postrann\u00edmi p\u00e1smy rozm\u00edst\u011bn\u00fdmi ve vzd\u00e1lenosti odpov\u00eddaj\u00edc\u00ed ot\u00e1\u010dkov\u00e9 frekvenci ozuben\u00e9ho kola. Tento vzor prokazuje nejen existenci z\u00e1vady, ale i to, \u017ee se nach\u00e1z\u00ed na dan\u00e9m konkr\u00e9tn\u00edm kole. Vztah je vyj\u00e1d\u0159en jednoduch\u00fdm vzorcem:<\/p>\n<blockquote><p><strong>Postrann\u00ed frekvence = nosn\u00e1 frekvence \u00b1 (n \u00d7 modula\u010dn\u00ed frekvence)<\/strong>, kde n = 1, 2, 3 \u2026<\/p><\/blockquote>\n<p>Skupina peak\u016f nad a pod nosnou frekvenc\u00ed tak tvo\u0159\u00ed rovnom\u011brn\u011b rozlo\u017eenou h\u0159ebenovou strukturu a m\u011b\u0159en\u00ed rozestupu v hertz\u00edch \u2014 s n\u00e1sledn\u00fdm p\u0159evodem na rpm \u2014 analytikovi p\u0159esn\u011b prozrad\u00ed, kter\u00fd h\u0159\u00eddel zp\u016fsobuje probl\u00e9my.<\/p>\n<h2>3. Kl\u00ed\u010dov\u00e9 aplikace v diagnostice stroj\u016f<\/h2>\n<h3>Diagnostika p\u0159evodovek<\/h3>\n<p>Toto je prim\u00e1rn\u00ed aplikace anal\u00fdzy postrann\u00edch p\u00e1sem:<\/p>\n<ul>\n<li><strong>Postrann\u00ed p\u00e1sma kolem GMF:<\/strong> pokud se postrann\u00ed p\u00e1sma rozm\u00edst\u011bn\u00e1 ve vzd\u00e1lenosti odpov\u00eddaj\u00edc\u00ed provozn\u00ed rychlosti ozuben\u00e9ho kola vyskytuj\u00ed kolem jeho GMF, signalizuj\u00ed z\u00e1vadu na tomto kole \u2014 praskl\u00fd zub, opot\u0159eben\u00fd zub nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/eccentricity\/\">excentricita<\/a>.<\/li>\n<li><strong>Postrann\u00ed p\u00e1sma kolem harmonick\u00fdch GMF:<\/strong> z\u00e1va\u017en\u00e9 z\u00e1vady \u010dasto generuj\u00ed postrann\u00ed p\u00e1sma tak\u00e9 kolem 2\u00d7 a 3\u00d7 GMF, tak\u017ee h\u0159ebenov\u00fd vzor se opakuje kolem ka\u017ed\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/harmonics\/\">harmonick\u00e1<\/a>.<\/li>\n<li><strong>Frekvence st\u0159\u00eddav\u00e9ho z\u00e1b\u011bru zub\u016f:<\/strong> u slo\u017eit\u00fdch p\u0159evodov\u00fdch soukol\u00ed mohou specifick\u00e1 necelo\u010d\u00edseln\u00e1 postrann\u00ed p\u00e1sma na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/hunting-tooth-frequency\/\">frekvence loveck\u00e9ho zubu<\/a> umo\u017enit p\u0159esnou lokalizaci z\u00e1vady, kter\u00e1 se vyskytuje pouze p\u0159i vz\u00e1jemn\u00e9m z\u00e1b\u011bru dvou konkr\u00e9tn\u00edch zub\u016f na r\u016fzn\u00fdch kolech.<\/li>\n<\/ul>\n<h3>Diagnostika valiv\u00fdch lo\u017eisek<\/h3>\n<p>Postrann\u00ed p\u00e1sma jsou rovn\u011b\u017e kl\u00ed\u010dov\u00e1 pro potvrzen\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rolling-element-defects\/\">z\u00e1vady lo\u017eisek<\/a>, zejm\u00e9na defekty vnit\u0159n\u00edho krou\u017eku:<\/p>\n<ul>\n<li>Z\u00e1vada na <strong>vnit\u0159n\u00ed krou\u017eek<\/strong> rotuje spolu s h\u0159\u00eddelem a p\u0159i sv\u00e9m pohybu dovnit\u0159 a ven ze zat\u011b\u017eovac\u00ed z\u00f3ny lo\u017eiska amplituda generovan\u00fdch r\u00e1z\u016f stoup\u00e1 a kles\u00e1.<\/li>\n<li>To zp\u016fsobuje amplitudovou modulaci frekvence z\u00e1vady vnit\u0159n\u00edho krou\u017eku lo\u017eiska, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bpfi\/\">BPFI<\/a>.<\/li>\n<li>V\u00fdsledn\u00e9 spektrum ukazuje vrchol na BPFI s <strong>postrann\u00ed p\u00e1sma rozm\u00edst\u011bn\u00e1 ve vzd\u00e1lenosti 1\u00d7 ot\u00e1\u010dkov\u00e9 frekvence h\u0159\u00eddele<\/strong>. P\u0159\u00edtomnost tohoto vzoru je velmi spolehliv\u00fdm indik\u00e1torem defektu vnit\u0159n\u00edho krou\u017eku \u2014 a je to jeden z d\u016fvod\u016f, pro\u010d <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-analysis\/\">obalov\u00e1 anal\u00fdza<\/a> je tak \u00fa\u010dinn\u00fd p\u0159i demodulaci t\u011bchto sign\u00e1l\u016f.<\/li>\n<\/ul>\n<h3>Diagnostika elektromotor\u016f<\/h3>\n<p>Probl\u00e9my s rotorov\u00fdmi ty\u010demi v asynchronn\u00edm motoru na st\u0159\u00eddav\u00fd proud mohou zp\u016fsobit v\u00fdskyt postrann\u00edch p\u00e1sem kolem \u0161pi\u010dky provozn\u00ed rychlosti 1x. Tato postrann\u00ed p\u00e1sma jsou rozm\u00edst\u011bna v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/pole-pass-frequency\/\">frekvence pr\u016fchodu p\u00f3lem<\/a> \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/slip-frequency\/\">frekvence skluzu<\/a> motoru vyn\u00e1soben\u00e9 po\u010dtem p\u00f3l\u016f motoru \u2014 a jsou klasick\u00fdm projevem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/broken-rotor-bars\/\">zlomen\u00e9 rotorov\u00e9 ty\u010de<\/a>.<\/p>\n<h2>4. Analytick\u00e9 aspekty<\/h2>\n<p>Pro efektivn\u00ed vyu\u017eit\u00ed anal\u00fdzy postrann\u00edch p\u00e1sem jsou nezbytn\u00e1 vysoce kvalitn\u00ed data:<\/p>\n<ul>\n<li><strong>Vysok\u00e9 rozli\u0161en\u00ed:<\/strong> pro z\u0159eteln\u00e9 zobrazen\u00ed postrann\u00edch p\u00e1sem a p\u0159esn\u00e9 zm\u011b\u0159en\u00ed jejich rozestupu je nutn\u00e9 vysok\u00e9 rozli\u0161en\u00ed FFT (nap\u0159\u00edklad 3200 nebo 6400 \u010dar). P\u0159i n\u00edzk\u00e9m rozli\u0161en\u00ed jsou postrann\u00ed p\u00e1sma &#8220;rozmaz\u00e1na&#8221; spole\u010dn\u011b s nosn\u00fdm peakem. Vztah mezi po\u010dtem \u010dar, rozsahem a rozli\u0161en\u00edm lze ov\u011b\u0159it pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/fft-resolution-calculator\/\">Kalkul\u00e1tor rozli\u0161en\u00ed FFT<\/a>.<\/li>\n<li><strong>Trendy:<\/strong> po\u010det a amplituda postrann\u00edch p\u00e1sem jsou dobr\u00fdm ukazatelem z\u00e1va\u017enosti z\u00e1vady. S postupuj\u00edc\u00edm zhor\u0161ov\u00e1n\u00edm z\u00e1vady p\u0159ib\u00fdv\u00e1 postrann\u00edch p\u00e1sem a jejich amplituda roste, tak\u017ee jejich sledov\u00e1n\u00ed v \u010dase prost\u0159ednictv\u00edm <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trend-analysis\/\">anal\u00fdza trend\u016f<\/a> sleduje pr\u016fb\u011bh degradace.<\/li>\n<li><strong>Zoom FFT:<\/strong> na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/zoom-fft\/\">Zoom FFT<\/a> funkce analyz\u00e1toru umo\u017e\u0148uje analytikovi zv\u011bt\u0161it \u00fazk\u00e9 frekven\u010dn\u00ed p\u00e1smo s velmi vysok\u00fdm rozli\u0161en\u00edm a potvrdit p\u0159\u00edtomnost a rozestupy postrann\u00edch p\u00e1sem.<\/li>\n<\/ul>\n<h2>5. \u010cten\u00ed rozestup\u016f: od vzoru k diagnostice<\/h2>\n<p>Diagnostick\u00e1 s\u00edla rodiny postrann\u00edch p\u00e1sem spo\u010d\u00edv\u00e1 v jejich aritmetice. Proto\u017ee rozestup se rovn\u00e1 modula\u010dn\u00ed frekvenci, m\u016f\u017ee analytik pracovat pozp\u00e1tku od h\u0159ebene k p\u0159\u00ed\u010din\u011b: rozestup na 1\u00d7 ot\u00e1\u010dky h\u0159\u00eddele ukazuje na dan\u00fd h\u0159\u00eddel; rozestup na frekvenci p\u00f3lov\u00e9ho pr\u016fchodu souvisej\u00edc\u00ed se skluzem ukazuje na elektrick\u00fd stav motoru; necelo\u010d\u00edseln\u00fd rozestup ukazuje na konkr\u00e9tn\u00ed p\u00e1r zub\u016f. P\u0159edem zm\u011b\u0159it frekvenci z\u00e1b\u011bru ozuben\u00ed a o\u010dek\u00e1vanou strukturu postrann\u00edch p\u00e1sem \u2014 nap\u0159\u00edklad pomoc\u00ed specializovan\u00e9ho <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/gear-mesh-frequency\/\">kalkul\u00e1tor frekvence z\u00e1b\u011bru ozuben\u00fdch kol<\/a> \u2014 umo\u017en\u00ed analytikovi p\u0159esn\u011b p\u0159edpov\u011bd\u011bt, kde hledat, je\u0161t\u011b p\u0159ed otev\u0159en\u00edm spektra.<\/p>\n<p>V ter\u00e9nu jsou tyto vzory zachyceny p\u0159enosn\u00fdm spektr\u00e1ln\u00edm analyz\u00e1torem p\u0159en\u00e1\u0161en\u00fdm od stroje ke stroji. P\u0159\u00edstroj jako <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed vibra\u010dn\u00edho spektrum b\u011b\u017e\u00edc\u00edho stroje s dostate\u010dn\u011b vysok\u00fdm rozli\u0161en\u00edm, aby rozli\u0161il h\u0159eben postrann\u00edch p\u00e1sem kolem frekvence z\u00e1b\u011bru ozuben\u00ed nebo poruchov\u00e9 frekvence lo\u017eiska, tak\u017ee technik m\u016f\u017ee potvrdit diagn\u00f3zu p\u0159\u00edmo na m\u00edst\u011b; a pokud stejn\u00e9 m\u011b\u0159en\u00ed odhal\u00ed, \u017ee dominantn\u00edm probl\u00e9mem je prost\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> sp\u00ed\u0161e ne\u017e z\u00e1vada zubu nebo ob\u011b\u017en\u00e9 dr\u00e1hy, p\u0159\u00edstroj p\u0159ejde p\u0159\u00edmo do <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> to correct it.<\/p>\n<p>Jakmile analytik nalezne jasn\u00fd, symetrick\u00fd vzor postrann\u00edch p\u00e1sem s o\u010dek\u00e1van\u00fdm rozestupem, spolehlivost <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/diagnosis\/\">diagn\u00f3za<\/a> stoupne z &#8220;mo\u017en\u00e9&#8221; na &#8220;vysoce pravd\u011bpodobn\u00e9&#8221; \u2014 a pr\u00e1v\u011b proto jsou postrann\u00ed p\u00e1sma pova\u017eov\u00e1na za jeden z nejspolehliv\u011bj\u0161\u00edch diagnostick\u00fdch otisk\u016f v oboru.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Pr\u016fvodce postrann\u00edmi p\u00e1smy ve vibra\u010dn\u00ed anal\u00fdze. Zjist\u011bte, jak se tyto modulovan\u00e9 frekvence generuj\u00ed a jak se pou\u017e\u00edvaj\u00ed k diagnostice poruch ozuben\u00fdch kol a lo\u017eisek s vysokou spolehlivost\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-239","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/239\/revisions"}],"predecessor-version":[{"id":101312,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/239\/revisions\/101312"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}