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Optimization of Turning Process Parameters of Teflon Material for Surface Roughness Using the Taguchi Method

Optimasi Parameter Proses Bubut Material Teflon terhadap Kekasaran Permukaan Menggunakan Metode Taguchi

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DOI:

https://doi.org/10.21070/ups.12159

Keywords:

ANOVA, HSS Cutting Tool, PTFE, Surface Roughness, Taguchi Method, Turning Process

Abstract

This study aims to optimize turning process parameters polytetrafluoroethylene (PTFE) minimize surface roughness using Taguchi method. machining process was conducted manual lathe using high-speed steel (HSS) cutting tool. Three process parameters were investigated, namely spindle speed at 210,260 ,360rpm; feed rate at 0.06,0.10, 0.18mm/rev; and depth cut at 0.20,0.35,0.50mm. The experimental design surface roughness measured using SRT-6210 surface roughness tester and analyzed using signal-to-noise ratio smaller-the-better criterion and analysis variance. The results showed optimum parameter combination obtained spindle speed 210rpm, feed rate 0.18mm/rev, and depth of cut 0.50mm, producing average surface roughness 1.557µm. ANOVA results indicated spindle speed was most dominant and statistically significant factor, with contribution 92.94%, F-value 32.76, and P-value 0.030. Feed rate and depth of cut contributed 3.49% and 0.74%, respectively, and were not statistically significant. These findings demonstrate spindle speed primary parameter controlling surface quality PTFE turned using manual lathe and an HSS cutting tool.

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2026-08-14

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