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All Journal Jurnal Komunikasi AUSTENIT Teknik Mesin "TEKNOLOGI" INTEK: Jurnal Penelitian Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Open Access Indonesia Journal of Social Sciences JOELS: Journal of Election and Leadership Open Access Indonesia Journal of Social Sciences
Tri Agus Susanto
Politeknik Negeri Ujung Pandang
Arts Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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RANCANG BANGUN ATTACHMENT CYLINDRICAL GRINDING PADA MESIN BUBUT DAN EVALUASI KEKASARAN PERMUKAAN POROS BAJA ST 37 Muhammad Ikram Kido; Tri Agus Susanto; Haedar Bahri; Sultan Muhammad Shaleh; Ervin Huzaedi
AUSTENIT Vol. 18 No. 1 (2026): Austenit: April 2026
Publisher : Politeknik Negeri Sriwijaya, Indonesia

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Abstract

Conventional lathe machining processes often produce inadequate surface finish quality, which may cause difficulties during component assembly. This study aims to improve the surface roughness (Ra) of ST 37 steel shafts through the design and implementation of a cylindrical grinding attachment mounted on a conventional lathe machine. The research methodology consisted of the design, fabrication, and assembly of the attachment, followed by experimental testing. Grinding experiments were conducted at a constant spindle speed of 1500 rpm with two feed rate variations, namely 0.062 mm/min and 0.079 mm/min. Surface roughness measurements were performed using a surface roughness tester to evaluate the effectiveness of the developed system. The experimental results indicate that a feed rate of 0.062 mm/min produced an average surface roughness of Ra 2.212 μm, whereas a feed rate of 0.079 mm/min resulted in Ra 2.724 μm at the same spindle speed. The findings demonstrate that reducing the feed rate significantly improves surface finish quality. Therefore, the developed cylindrical grinding attachment is effective in enhancing the surface characteristics of ST 37 steel shafts.
Influential, but not singular: Social media use during the election 2024 in Sambirejo Village Setyowati, Yuli; Sulistyowati, Fadjarini; Muhsin , Habib; Susanto, Tri Agus; L, Irvan Riyadi
Jurnal Komunikasi Vol. 20 No. 1 (2026): VOLUME 20 NO 1 APRIL 2026
Publisher : Program Studi Ilmu Komunikasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/komunikasi.vol20.iss1.art7

Abstract

Public participation is a critical component of elections, which function as indicators of state continuity. This study examines public participation and preferences for social media use during the 2024 general election in Sambirejo village. A qualitative descriptive-exploratory methodology was utilized, with data collected through observation, focus group discussions (FGDs), and interviews. Fifteen informants were purposively selected, representing youth, women, men, the village head and staff, and KPPS officers. The findings indicate that the Sambirejo community actively participated in the election, with nearly all eligible voters exercising their right to vote. This active engagement is attributed to factors such as local community characteristics, the village head's participatory leadership style, and KPPS outreach initiatives. Additionally, sa was identified as a significant source of election information; however, FGDs revealed that it is primarily used as a supplementary reference rather than the sole determinant of political decisions.
Co-Authors Amrullah Amrullah Andy Alfatih Anzarih, A.M Arianti, Yosi Asywar, Asywar Dermawan, Dermawan Epriyandi - - Epriyandi . Ervin Huzaedi Fadjarini Sulistyowati Haedar Bahri Ismael Marjuki L, Irvan Riyadi Lidya, Eva Lili Erina Marham, Marham Muhammad Arsyad Suyuti Muhammad Ikram Kido Muhsin , Habib Razak, Arthur Khalik Rusdi Nur S, Jumardin Sajaruddin, Sajaruddin Sari, Astriana Soraida, Safira Sultan Muhammad Shaleh Suryaningsih, Maria Syahputra, Ahmad Erwin Syamsul Syamsul Yuli Setyowati Yunindyawati, Yunin