Yanuar Rohmat Aji Pradana, Adhi Andoyo Leresawan, Arga Aliffatur Ashar, Aminnudin Aminnudin, Nurlia Pramita Sari, Avita Ayu Permanasari, Suprayitno Suprayitno
This study aims to investigate the effect of different cutting fluid applications, including TiO2/water nanofluids, on the cutting temperature, flank wear, and carbon fiber-reinforced polymer (CFRP) composite surface roughness under milling operation. The TiO2 nanoparticles were dispersed into distilled water and homogenized with the volume fraction of 0.1% in a liter of water. The 8 mm-thick CFRP was end-milled using a milling cutter with the diameter of 8 mm under the depth of cut and feed rate of 1 mm and 30 mm/min, respectively. The TiO2/water nanofluids were constantly flushed at the cutting zone with the varied spindle speed. In parallel, distilled water cooling technique and dry cutting were also applied to provide the cutting performance comparison. To measure the real-time cutting temperature, the infrared thermometer was placed on the milling table and targeted to the cutting zone. The flank wear was investigated by providing the lost length calculation from flank face images at initial and post-cutting conditions. On the other hand, the surface roughness of resulted CFRP workpieces was determined using a surface roughness tester. The results described that the TiO2/water nanofluids cooling medium have a significant effect on reducing the cutting temperature compared with the others, thus, it can minimize the further tool flank wear. The spindle speed also showed a positive effect on reducing flank wear. The lowest flank wear was obtained at the application of TiO2/water nanofluids and spindle speed of 160 rpm with 0.44 mm. Besides, the lowest surface roughness was found at the application of the highest spindle speed of 720 rpm under the effective distilled water cooling, instead of TiO2/water nanofluids, with the value of 0.72 µm due to the absence of particle accumulation at cutting zone at low cutting speed. © 2023 American Institute of Physics Inc.. All rights reserved.
Mechanical Engineering Department, Universitas Negeri Malang, 5th Semarang St., Malang, 65145, Indonesia; Mechanical Engineering Department, Politeknik Negeri Malang, 9th Soekarno Hatta St., Malang, 65141, Indonesia
