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Journal : Jurnal Polimesin

Taguchi-based optimization of CNC turning parameters to enhance surface finish of AISI 1045 steel Kriswanto, Kriswanto; Briantoro, Oktova Yusuf; Naryanto, Rizqi Fitri; Priyanto, Kaleb; Jamari, Jamari; Setiyawan, Andri
Jurnal Polimesin Vol 23, No 6 (2025): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i6.7107

Abstract

Surface roughness is a critical indicator of machining quality, directly affecting the functional performance and service life of manufactured components. This study aims to optimize the surface roughness of AISI 1045 steel by varying parameters (cutting speed, feed rate, and depth of cut) using Taguchi L9 orthogonal array. Experiments were conducted on a FANUC 0i-Mate CNC lathe using Al-TiN-coated VNMG inserts. Moreover, the surface roughness was measured in accordance with ISO standards. Analysis of Variance (ANOVA) revealed the depth of cut was the most influential factor (45.21%), followed by cutting speed and feed rate. The Signal-to-Noise (S/N) ratio was identified as optimal surface roughness of 0.323 µm (N5 grade) at the parameter, with a cutting speed of 240 mm/min, a feed rate of 0.2 mm/rev, and a depth of cut of 0.6 mm. The novelty of this study is the demonstration that Taguchi's design and ANOVA combined can achieve reliable optimization results with considerably reduced experimental effort and offer practical industrial deployment, including for Small and Medium-sized Enterprises (SMEs). 
Co-Authors Abdul Haris Abdul Rachman Abdurahman Abdurrahman Abdurrahman Abdurrahman Abdurrahman Abdurrahman Abi mahardika, Fiqih Adhitya Muhammad Firdaus Anggun Farisyatul Muslimah Anwar, Ahmad Apristia, Lelu Dina Arief Kurniawan Arief Kurniawan Arif Budiman, Febrian Ayub Budhi Anggoro, Ayub Budhi Bagas Perdana Abiyasa Bambang Eka Purnama Bautista, Guillermo Bayu Gilang Purnomo Briantoro, Oktova Yusuf Cahyanto, Septian Eko Doni Puji Laksono Doni Yusuf F Doni Yusuf Firdaus Doni Yusuf Firdaus Dwiki Muda Yulanto Ekarini, Fitria Eko Supraptono Elisya Rohana Fadhlan Muchlas Abrori Faizal Agil Arief Setyadi Faksi, Sanli Fatkhurohman, Najib Febri Budi Darsono Firdaus, Doni Yusuf Fitria Eka Rini Fitriyana, Deni Fajar Hendrix Noviyanto F Hendrix Noviyanto Firmansyah HENRY ISKANDAR Hidayat, Hanif Hilaliyah, Putri Nur'aini Ika Silvitasari Iman, Muhammad Syamsuddin Nurul Intan Dwi Ariyani Isnandar J. Jamari Janahtan Firdaus Khoirin Nashiroh, Putri Khoirul Huda Kriswanto Kriswanto, Kriswanto Lelu Dina Apristia Lena Citra Manggalasari M Bagus Isnen M. Hilman Gumelar Syafei M. Hilman Gumelar Syafei Masta Hutajulu Muhammad Khumaedi Muhammad Khumaedi Muhammad Nur Faizin Muhammad Syamsuddin N.I Muhammad Syamsuddin Nurul Iman Mujaki, Ahmad Priyanto, Kaleb Putri Agustin Priyani Putri Khoirin Nashiroh R. Ambar K. G. Rifka Aprilia Nur Ekawati Riki Sulistyo Rizal Alvindo Rizqi Fitri Naryanto Rochim, Febry Putra Sanli Faksi Sarwi Asri Sarwi Asri Stephen Dwi Arjuna Subur Setiyoko, Keling Sudiyono Sukadi . Sunyoto Sunyoto Sunyoto Suwahyo - Tiara Meilinda Tri Kuncoro TriLaksono, Galih Ulfah Mediaty Arief Umar Makarim Wibisono Widya Aryadi Widya Aryadi Yuspriati, Devi Nurul