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The Effect of Reducing Vibration Of Lathe to Aisi 4340 Surface Roughness Yudhistira, Gilang Awan; Fitri, Muhamad; Mizan, Adlan; Rafi, Muhammad Miftah; Anugrah, Hasan
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 12, No 3 (2023)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v12i3.23663

Abstract

One of the quality affected factors of machined products is surface roughness, which is affected by several factors, like force and vibration. Vibration is the derivation of deflection. To improve efficiency of double chuck, in this experiment will modify the holder of double chuck to decrease the vibration. The modifications are divided into used wood to decrease length force from clamp and change the entry angle from 45° to 90°. The vibration was measured by a vibrometer at the vertical axis. Each modification succeeded to decrease the vibration at a reduction of 1.5 mm, where the highest decrease was changed the entry angle from 0.21-0.23 m/s2 to 0.10 m/s2. Modification on changed the entry angle has better surface roughness which the value of 1.3 µm.
Usulan Perbaikan Waktu Kerja untuk Peningkatan Kapasitas Produksi pada Perusahaan Pakan Ternak Suparno, Adizty; Utami, Diah; Yudhistira, Gilang Awan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.50666

Abstract

Manufacturer of cattle and goat feed, faces challenges in meeting increasing market demand. To increase production capacity, the company can implement several industrial engineering-based strategies. First, time and motion analysis can be conducted to identify and reduce non-productive activities, thereby improving work efficiency. Second, production line balancing is important to ensure equitable workload distribution, reduce waiting time between processes, and maximize output. Third, the implementation of lean manufacturing can help eliminate waste in the production process, such as overproduction and excessive waiting time. In addition, the use of automation technology in the feed processing process can accelerate production and reduce human error. The implementation of these proposed improvements is expected to significantly increase the production capacity.
Pengenalan dan Pelatihan Robot In-Line untuk Siswa SMK dalam Konteks Industri dan Green Supply Chain Suparno, Adizty; Utami, Diah; Yudhistira, Gilang Awan; Wahyuni, Sri
IRA Jurnal Pengabdian Kepada Masyarakat (IRAJPKM) Vol 3 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajpkm.v3i3.332

Abstract

This community service program introduces in-line robotic technology to vocational high school students in the Office Management major, focusing on administrative automation within a green supply chain framework. Using an educational, participatory approach, the program includes theoretical material, case studies, hands-on robot assembly, and reflective discussions. Results show that students grasped basic robotic concepts, automation workflows, and their relevance in supporting efficiency and reducing administrative waste. This technology-based learning promotes students' competency in adapting to digital office environments and modern workplaces. Questionnaire-based evaluation revealed that improvements are needed to better align the theme with student interests and to optimize supporting facilities.