{"id":2165,"date":"2023-04-07T21:33:05","date_gmt":"2023-04-07T21:33:05","guid":{"rendered":"https:\/\/vibromera.eu\/?p=2165"},"modified":"2026-07-03T10:37:06","modified_gmt":"2026-07-03T10:37:06","slug":"measurement-of-relative-rotor-vibration-using-non-contact-linear-displacement-sensors","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/ms\/example\/measurement-of-relative-rotor-vibration-using-non-contact-linear-displacement-sensors\/","title":{"rendered":"Pengukuran getaran rotor relatif menggunakan penderia pemindahan lurus tanpa sentuhan."},"content":{"rendered":"<h1>Pengukuran getaran rotor relatif menggunakan penderia pemindahan lurus tanpa sentuhan<\/h1>\n<p>Dengan <a href=\"https:\/\/vibromera.eu\/ms\/product\/balanset-1\/\">Balanset-1A<\/a> anda boleh mengukur relatif <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/vibration\/\">getaran<\/a> daripada <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/rotor\/\">pemutar<\/a> menggunakan pengkod linear tanpa sentuhan.<\/p>\n<h2>1.1 Pemilihan jenis sensor dan tetapan<\/h2>\n<p>Bergantung pada tugas, sama ada sensor getaran atau sensor pemindahan boleh digunakan untuk pengukuran. Untuk memilih jenis sensor, pada panel \u201cJenis Sensor\u201d (di bahagian bawah tetingkap utama) tandakan kotak \u201cVibro\u201d atau \u201cLinear\u201d.<\/p>\n<div id=\"attachment_2166\" style=\"width: 446px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2166\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002.webp\" alt=\"Rajah 1. Tetingkap kerja utama program Balanset.\" width=\"436\" height=\"407\" class=\"size-full wp-image-2166\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002.webp 436w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002-300x280.webp 300w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><p id=\"caption-attachment-2166\" class=\"wp-caption-text\">Rajah 1. Tetingkap kerja utama program Balanset.T<\/p><\/div>\n<p>Before starting the measurement it is necessary to make sure that the conversion coefficients of the sensors are set correctly. For this purpose press the button \u201cF4-Settings\u201d in the main working window of the program (see Fig. 1) and go to the settings window designed for entering conversion coefficients (see Fig. 2).<\/p>\n<p>Dalam tetingkap kerja yang ditunjukkan dalam Rajah 2, dalam medan yang sepadan hendaklah dimasukkan pekali penukaran bagi penderia linear dan getaran. Pekali ini dinyatakan dalam pasport instrumen. Biasanya anda tidak perlu mengubahnya.<\/p>\n<p>Untuk yang linear <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/displacement-probe\/\">anjakan<\/a> Untuk penderia yang digunakan dalam set instrumen Balanset-1A, pekali penukaran masing-masing adalah sama dengan:<\/p>\n<ul>\n<li>Kprl1= 0.94 mV\/\u03bcm (koefisien penukaran sensor saluran ke-1);<\/li>\n<li>Kprl2 = 0.94 mV\/\u03bcm (koefisien penukaran sensor saluran ke-2).<\/li>\n<\/ul>\n<p>For proper operation, the linear encoder must be installed at a certain distance from the surface of the object of measurement. The nominal clearance between the surface and the end of the sensor is 3.5 mm. In this case there is a constant voltage of 2.48 volts at the sensor output. This voltage will be shown in the fields \u201cChannel1\u201d and \u201cChannel2\u201d for the first and second channels respectively.<\/p>\n<p>To compensate it you must press the button \u201cRemove DC\u201d. A small residual offset will not interfere with the measurement.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2167\" style=\"width: 484px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2167\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004.webp\" alt=\"Rajah 2. Tetingkap kerja untuk memasukkan pekali penukaran dan memilih jenis sensor yang digunakan\" width=\"474\" height=\"441\" class=\"size-full wp-image-2167\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004.webp 474w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004-300x279.webp 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><p id=\"caption-attachment-2167\" class=\"wp-caption-text\">Rajah 2. Tetingkap kerja untuk memasukkan pekali penukaran dan memilih jenis sensor yang digunakan<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><strong>Perhatian!<\/strong> Nilai celah nominal dan faktor penukaran enkoder linear yang dinyatakan diberikan untuk rotor yang diperbuat daripada keluli. Bagi rotor yang diperbuat daripada logam lain (tembaga, gangsa, aluminium), celah nominal dan koefisien penukaran sensor perlu ditentukan secara eksperimen oleh pengguna melalui kalibrasi.<\/p>\n<p>To save the changed parameters press \u201cOK\u201d button. The new parameters will be saved in a file and used for further measurements.<\/p>\n<h2>1.2 Mengukur run-out jejari rotor<\/h2>\n<p>Rentangan radial rotor boleh diukur secara tanpa sentuhan. <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/proximity-probe\/\">probe kedekatan<\/a> dalam dua satah mengikut skema yang ditunjukkan dalam Rajah 3. Untuk mengukur dan melukis fungsi masa dan spektrum larian rotor, jika perlu, beberapa operasi persediaan mesti dijalankan, termasuk:<\/p>\n<ul>\n<li>\u2013 select diametrical sections of the rotor, in which the measurements will be carried out;<\/li>\n<li>untuk memasang penderia pemindahan lurus tanpa sentuhan 5 dan 6 dan <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/phase\/\">fasa<\/a> penderia sudut 7 pada katil mesin menggunakan peranti khas (contohnya tripod magnetik);<\/li>\n<li>\u2013 connect proximity sensors of linear motion to connectors X1 and X2, and phase angle sensor to connector X3 of the measuring unit;<\/li>\n<li>\u2013 set a nominal measuring gap \u2206 between the rotor surface and the sensing element for each linear encoder (for the rotor made of steel \u2206 = 3.5 mm);<\/li>\n<li>\u2013 place on the rotor the reflective mark required for triggering for the phase angle sensor 7 and check the sensor triggering;<\/li>\n<li>Sambungkan unit pengukur ke komputer.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2168\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2168\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006.webp\" alt=\"Rajah 3. Mengukur lari radial rotor\" width=\"500\" height=\"308\" class=\"size-full wp-image-2168\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006.webp 500w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006-300x185.webp 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-2168\" class=\"wp-caption-text\">Rajah 3. Mengukur lari radial rotor<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>If you press the button \u201cF8 \u2013 Charts\u201d in the main working window (see Fig. 1), the computer display shows the working window \u201cGraphs\u201d (see Fig. 5), designed to build different kinds of graphs of radial run-out of the rotor.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2169\" style=\"width: 656px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2169\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010.webp\" alt=\"Rajah 5. Tetingkap kerja mod &quot;Graf&quot;\" width=\"646\" height=\"462\" class=\"size-full wp-image-2169\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010.webp 646w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010-600x429.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010-300x215.webp 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><p id=\"caption-attachment-2169\" class=\"wp-caption-text\">Fig. 5. The working window of the \u201cCharts\u201d mode<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Butang-butang dalam tetingkap ini membina graf berikut:<\/p>\n<ul>\n<li>When you press the \u201cBroadband vibration\u201d button in this window, the time function of the rotor radial runout is displayed.<\/li>\n<li>If the \u201cRotation frequency vibration\u201d button is pressed, the time function of the reciprocal component of the rotor radial runout is displayed.<\/li>\n<li>If you press the button \u201cHarmonics (1\/rev)\u201d, the display will show a decomposition graph of the rotor runout into a harmonic series. The first harmonic corresponds to the value of vibration at the reverse rotor frequency (1x), the second one \u2013 at the double frequency (2x), etc.<\/li>\n<li>By pressing the button \u201cSpectrum (Hz)\u201d the display shows the spectrum of the radial run-out of the rotor.<\/li>\n<li>By pressing the button \u201cOrbit\u201d the graph of rotor orbit (precession) is displayed.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>1.3 Pembinaan graf orbit rotor<\/h2>\n<p>Pembinaan graf orbit rotor boleh dilakukan mengikut skema yang ditunjukkan dalam Rajah 6.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2170\" style=\"width: 679px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2170\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016.gif\" alt=\"Rajah 6. Skema pengukuran orbit rotor 1a - rotor (pemandangan hujung); 1b - rotor (pemandangan sisi); 2, 3 - penderia tanpa sentuhan; 4 - tanda pantulan penderia sudut fasa.\" width=\"669\" height=\"296\" class=\"size-full wp-image-2170\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016.gif 669w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016-600x265.gif 600w\" sizes=\"auto, (max-width: 669px) 100vw, 669px\" \/><p id=\"caption-attachment-2170\" class=\"wp-caption-text\">Fig. 6. Scheme of rotor orbit measurement 1a \u2013 rotor (end view); 1b \u2013 rotor (side view); 2, 3 \u2013 non-contact sensors; 4 \u2013 reflection mark of phase angle sensor.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Untuk membuat pengukuran dan membina graf yang sepadan, adalah perlu untuk melaksanakan beberapa operasi persediaan, termasuk:<\/p>\n<ul>\n<li>\u2013 install the non-contact linear encoders 2 and 3 in one of the diametrical sections of the rotor at an angle of 90\u00b0 to each other, provided that the measuring axis of encoder 2 must coincide with the X axis, and the measuring axis of encoder 3 must coincide with the Y axis;<\/li>\n<li>tetapkan jurang pengukuran nominal \u2206x (\u2206y) antara permukaan rotor dan elemen penderia setiap pengekod linear (untuk keluli \u2206 = 3.5 mm);<\/li>\n<li>\u2013 set the phase angle sensor (not shown in the scheme) in the X \u2013 Z plane, coinciding with the installation plane of non-contact sensor 2;<\/li>\n<li>\u2013 set a reflective mark 4 on the rotor 1 in the X \u2013 Z plane, which is necessary for the phase angle sensor operation;<\/li>\n<li>\u2013 connect non-contact linear encoders 2 and 3 to connectors X1 and X2, and phase angle encoder to connector X3 of the measuring unit;<\/li>\n<li>Sambungkan unit pengukur ke komputer.<\/li>\n<\/ul>\n<p>Untuk memulakan pengukuran orbit rotor dalam tetingkap kerja utama (lihat Rajah 1), tekan butang \u201cF8 \u2013 Carta\u201d dan pergi ke tetingkap kerja \u201cGraf\u201d (lihat Rajah 5), yang direka untuk membina pelbagai jenis graf larian radial rotor. Dalam tetingkap kerja ini anda mesti menekan butang \u201cOrbit\u201d, selepas itu tetingkap kerja akan muncul pada skrin komputer, di mana kitaran pengukuran yang diperlukan dijalankan (lihat Rajah 7).<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2171\" style=\"width: 509px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2171\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014.webp\" alt=\"Rajah 7. Graf orbit rotor. Perisian Balanset. \" width=\"499\" height=\"506\" class=\"size-full wp-image-2171\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014.webp 499w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014-296x300.webp 296w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014-50x50.webp 50w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><p id=\"caption-attachment-2171\" class=\"wp-caption-text\">Rajah 7. Graf orbit rotor. Perisian Balanset.<\/p><\/div>\n<p>Untuk meneruskan kerja dalam tetingkap kerja yang ditetapkan (lihat Rajah 7) anda mesti menghidupkan putaran rotor dan dengan menekan butang &#8220;F9 &#8211; RUN&#8221; melakukan pengukuran nilai seketika lari keluar jejari rotor Sxi dan Syi bagi tempoh yang bersamaan dengan satu pusingan rotor.<\/p>\n<p>Susunan nilai seketika Sxi dan Syi yang diperoleh semasa pengukuran digunakan untuk memplot orbit rotor yang dikawal (setiap titik ke-i orbit mempunyai koordinat Sxi, Syi). Magnitud sesaran jejari seketika dikira dengan formula:<\/p>\n<p>S\u2211i = \u221a (Sxi\u00b2 + Syi\u00b2) (1)<\/p>\n<p>di mana S\u2211i ialah nilai seketika magnitud sesaran jejari (panjang vektor jejari orbit rotor), yang dikira untuk titik ke-i graf;<\/p>\n<ul>\n<li>Sxi &#8211; nilai seketika lari keluar jejari rotor, diukur sepanjang paksi X dengan sensor 2 (lihat Rajah 6) pada titik ke-i;<\/li>\n<li>Syi &#8211; nilai seketika lari keluar jejari rotor, diukur sepanjang paksi Y dengan sensor 3 (lihat Rajah 6) pada titik ke-i.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Measurement of relative rotor vibration using non-contact linear displacement sensors With the Balanset-1A you can measure the relative vibration of the rotor using non-contact linear encoders. 1.1 Selection of the sensor type and setting Depending on the task, either vibration sensors or displacement sensors can be used for measurements. To [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-2165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/posts\/2165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/comments?post=2165"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/posts\/2165\/revisions"}],"predecessor-version":[{"id":102205,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/posts\/2165\/revisions\/102205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/media\/2171"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/media?parent=2165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/categories?post=2165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/tags?post=2165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}