Solusi Abrasive Wear Melalui Remanufaktur Material Crusher Teeth pada Sistem Feeder Breaker Assembly Conveyor di PT Bukit Asam Tbk

Talytha, Bintang Talytha (2025) Solusi Abrasive Wear Melalui Remanufaktur Material Crusher Teeth pada Sistem Feeder Breaker Assembly Conveyor di PT Bukit Asam Tbk. Project Report. [s.n.], [s.l.]. (Unpublished)

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Abstract

Kegiatan magang industri dilaksanakan di Engineering & Manufacturing Department, Quality Control Section, PT Bukit Asam Tbk pada periode 17 Februari–17 Juni 2025. Selama magang, mahasiswa terlibat dalam pengujian material, analisis sifat mekanik dan kimia, pengendalian kualitas, serta analisis kerusakan komponen alat berat. Tugas khusus yang dilakukan berjudul Solusi Abrasive Wear Melalui Remanufaktur Material Crusher Teeth pada Sistem Feeder Breaker Assembly Conveyor di PT Bukit Asam Tbk yang bertujuan mengevaluasi efektivitas remanufaktur sebagai alternatif penggantian komponen baru yang mengalami keausan. Metode yang digunakan meliputi studi literatur, observasi lapangan, diskusi dengan engineer, pengukuran dimensi, analisis komposisi kimia menggunakan X-Ray Fluorescence (XRF), pengujian kekerasan, observasi proses pengelasan Shielded Metal Arc Welding (SMAW), serta analisis teknis dan ekonomi. Proses remanufaktur dilakukan menggunakan elektroda OK 48.04 sebagai build-up layer, OK 67.45 sebagai buffer layer, dan OK 84.78 sebagai hardfacing layer untuk meningkatkan ketahanan aus. Hasil kajian menunjukkan bahwa remanufaktur mampu mengembalikan dimensi dan fungsi crusher teeth sehingga dapat digunakan kembali. Metode ini menghasilkan penghematan biaya lebih dari 95% dibandingkan penggantian komponen baru serta menurunkan downtime menjadi sekitar 168–192 jam, jauh lebih rendah dibandingkan metode penggantian. Dengan demikian, remanufaktur menjadi solusi yang efektif, efisien, dan ekonomis untuk meningkatkan keandalan peralatan serta menjaga kontinuitas produksi di industri pertambangan.
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The industrial internship was conducted at the Engineering & Manufacturing Department, Quality Control Section of PT Bukit Asam Tbk from February 17 to June 17, 2025. During the internship, the author participated in material testing, mechanical and chemical property analysis, quality control activities, and failure analysis of heavy equipment components. The special project, entitled Abrasive Wear Solution Through Crusher Teeth Remanufacturing in the Feeder Breaker Assembly Conveyor System at PT Bukit Asam Tbk, aimed to evaluate the effectiveness of remanufacturing as an alternative to replacing worn crusher teeth operating under severe abrasive conditions. The study employed literature review, field observation, technical discussions with engineers, dimensional measurements, chemical composition analysis using X-Ray Fluorescence (XRF), hardness testing, observation of the Shielded Metal Arc Welding (SMAW) process, and technical and economic analyses. The remanufacturing process utilized OK 48.04 electrodes as the build-up layer, OK 67.45 as the buffer layer, and OK 84.78 as the hardfacing layer to improve wear resistance. The results showed that the remanufacturing process successfully restored the dimensions and functionality of the crusher teeth, enabling them to be reused. The method achieved a cost reduction of more than 95% compared with purchasing new components and reduced equipment downtime to approximately 168–192 hours. Therefore, remanufacturing is an effective, efficient, and economical solution for improving equipment reliability and maintaining production continuity in the mining industry.

Item Type:	Monograph (Project Report)
Uncontrolled Keywords:	remanufaktur, crusher teeth, abrasive wear, hardfacing, SMAW, feeder breaker
Subjects:	Q Science > Q Science (General) > Q180 Gravitation. Q Science > Q Science (General) > Q180.55.M38 Mathematical models Q Science > Q Science (General) > Q325.5 Machine learning. Support vector machines.
Divisions:	Faculty of Vocational > Mechanical Industrial Engineering (D4)
Depositing User:	Bintang Talytha
Date Deposited:	02 Jul 2026 02:27
Last Modified:	02 Jul 2026 02:27
URI:	http://repository.its.ac.id/id/eprint/134204

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