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All Journal Jurnal Teknologi dan Riset Terapan (JATRA)
Muhammad Hasan Albana
Program Studi Teknik Mesin, Politeknik Negeri Batam
Aerospace Engineering Computer Science & IT Electrical & Electronics Engineering Engineering Mechanical Engineering

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PENGARUH KEDALAMAN PEMAKANAN TERHADAP KEKASARAN PERMUKAAN MATERIAL BAJA S45C PADA PROSES PEMBUBUTAN Firdhan Maulana Alhafizh; Muhammad Hasan Albana; Nur Fitria Pujo Leksonowati
Jurnal Teknologi Dan Riset Terapan (JATRA) Vol. 8 No. 1 (2026): Jurnal Teknologi Dan Riset Terapan (JATRA) - Juni 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v8i1.12752

Abstract

Surface quality is a crucial parameter in the machining process and is significantly influenced by the depth of cut. Selecting this parameter directly affects process efficiency and final product quality. This study aims to investigate the effect of depth of cut on the surface roughness of S45C steel during a conventional lathe turning process. The experimental method involved four depth-of-cut settings (0.2 mm, 0.5 mm, 1.0 mm, and 2.0 mm), with cutting speed and spindle rotation held constant. The turning process was performed using an insert tool, and the resulting surface roughness was measured with a surface roughness tester. The results indicated that as the depth of cut increases, surface roughness (Ra, Rq, and Rz) tends to increase. The best surface quality (average Ra 1.291) was achieved at the smallest depth of cut (0.2 mm), whereas the roughest surface (average Ra 2.728) resulted from the largest depth of cut (2.0 mm). This increase in roughness is attributed to higher cutting forces and vibrations during the machining process. Thus, the proper selection of the depth of cut is crucial for achieving optimal surface quality and machining efficiency.  
Co-Authors Firdhan Maulana Alhafizh Nur Fitria Pujo Leksonowati