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All Journal PROFICIO: Jurnal Pengabdian Masyarakat Asian Journal of Mechanical Engineering
Ismail Ramli
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Humanities Computer Science & IT Education Social Sciences Other

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PERANCANGAN ALAT TEKNOLOGI TEPAT GUNA PENGUPAS KULIT TEBU DI KABUPATEN NUNUKAN Amin, Al; Lisa Binti Harun; Ismail Ramli
PROFICIO Vol. 5 No. 2 (2024): PROFICIO : Jurnal Abdimas FKIP UTP
Publisher : FKIP UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jpf.v5i2.3743

Abstract

Dalam menghadapi krisis moneter perindustrian kecil dan menengah yang tangguh pun juga ikut menjadi bagian dalam memperkuat basis perekonomian dalam negeri. Terdapat banyak sekali Usaha Kecil Menengah (UKM) yang memiliki nilai ekonomi tinggi, salah satunya yaitu pengusaha air tebu. Apalagi pada hari-hari tertentu seperti pada saat bulan puasa, peminat olahan air tebu pasti mengalami peningkatan. Beberapa pengusaha air tebu harus bekerja ekstra dalam memenuhi target bahkan tidak sedikit pengusaha yang menambah jumlah pekerja. Dalam hal tersebut kendala yang sering di hadapi yaitu dalam proses pengupasan lapisan kulit tebu karena masih menggunakan peralatan yang sederhana dan masih dikerjakan secara manual, sehingga dalam proses tersebut membutuhkan waktu yang lama dan tenaga kerja yang banyak untuk mencukupinya. Harapannya dengan adanya inovasi alat teknologi tepat guna pengupas kulit tebu ini output yang dapat dihasilkan dapat memenuhi permintaan dari konsumen. Alat ini juga tidak mengurangi jumlah pekerja yang ada, karena pekerja yang lain dapat dialokasikan untuk melakukan aktivitas kerja yang lain sehingga lebih efisien, misalnya pada pemerasan tebu yang beban kerjanya tidak seberat pada proses pengupasan lapisan kulit tebu.
Effect of Vibration-Assisted Butt Welding on Tensile Strength of Welded Joints: An Experimental Study Yusuf Rizal Fauzi; Ismail Ramli; Halman
Asian Journal of Mechanical Engineering Vol. 1 No. 2 (2025): July – December (In progress)
Publisher : Global Scientific Media

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Abstract

Vibration-assisted welding has emerged as a promising technique for improving weld quality and mechanical performance without modifying conventional welding parameters. In this experimental study, the effect of low-frequency vibration-assisted butt welding on the tensile strength of mild steel welded joints was investigated. Shielded Metal Arc Welding (SMAW) was employed to fabricate butt joints under different welding currents, vibration durations, and vibration frequencies, while maintaining consistent welding conditions. Tensile tests were conducted in accordance with ASTM E8 standards, and the corresponding microstructural characteristics of the weld zone were examined using scanning electron microscopy.The results revealed that welded joints produced with vibration assistance exhibited consistently higher tensile strength compared to non-vibrated specimens. The maximum tensile strength improvement of approximately 6% was observed in specimens subjected to higher vibration frequency and longer vibration duration. Microstructural analysis showed that vibration-assisted welding promoted grain refinement and improved microstructural homogeneity, while non-vibrated welds displayed coarser and non-uniform grain structures. The refined microstructure reduced defect formation and enhanced resistance to crack initiation, leading to improved tensile performance. The study demonstrates that low-frequency vibration-assisted butt welding effectively enhances the tensile strength of welded joints by modifying weld pool dynamics and solidification behavior. The findings highlight the practical potential of vibration-assisted welding as a simple and efficient method for improving joint strength and structural reliability in welded components.
Co-Authors Amin, Al Halman Lisa Binti Harun yusuf rizal fauzi