Diagnosis Kegagalan Bearing Forced Draft Fan Berbasis MultiTeknologi

Authors

Keywords:

Bantalan, pemeliharaan prediktif, analisis getaran, termografi inframerah, ultrasonik, pemantauan kondisi

Abstract

Penelitian ini bertujuan mendiagnosis indikasi kegagalan bearing pada Forced Draft Fan 4 FCA200 di PLTU Bukit Asam melalui integrasi pemantauan vibrasi, termografi inframerah, dan ultrasound. Pengambilan data dilakukan secara berkala pada kondisi operasi relatif stabil selama 17 kali pengukuran, dengan membandingkan kondisi Bearing 1 dan Bearing 2 serta memvalidasi hasil pemantauan melalui inspeksi setelah pembongkaran. Hasil menunjukkan bahwa nilai vibrasi rata-rata Bearing 2 mencapai 5,00 mm/s dan nilai maksimum 7,52 mm/s, sedangkan Bearing 1 rata-rata 1,50 mm/s; temperatur rata-rata Bearing 2 sebesar 100,06 °C dibandingkan 71,41 °C pada Bearing 1, dengan selisih tem-peratur rata-rata 28,65 °C. Nilai ultrasound rata-rata Bearing 2 sebesar 61,88 dB dibandingkan 52,35 dB pada Bearing 1 dan tetap lebih tinggi setelah tindakan greasing, sedangkan inspeksi pascapembongkaran menemukan grease mengeras serta adanya indikasi keausan pada outer ring. Temuan lintas-teknologi tersebut menunjukkan bahwa Bearing 2 mengalami degradasi yang konsisten dengan ma-salah pelumasan dan kelonggaran mekanis, sehingga direkomendasikan untuk ditindaklanjuti melalui inspeksi dan penggantian terencana pada periode outage

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Published

2026-10-30

Issue

Vol. 15 No. 2 (2026): Oktober (2026)

Section

Articles

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How to Cite

Diagnosis Kegagalan Bearing Forced Draft Fan Berbasis MultiTeknologi. (2026). Jurnal Teknik Mesin, 15(2), 117-127. https://jtm.ubl.ac.id/index.php/teknikmesin/article/view/89