TY - JOUR EP - 401 JF - Industrial Lubrication and Tribology Y1 - 2022/// UR - https://www.scopus.com/pages/publications/85122855909?origin=resultslist VL - 74 TI - Effect of cutting parameters on tool life during end milling of AISI 4340 under MQL condition A1 - Ahmad, Ahsana Aqilah A1 - Ghani, Jaharah A. A1 - Che Haron, Che Hassan SN - 00368792 AV - none PB - Emerald Group Holdings Ltd. KW - Cutting; Cutting fluids; Cutting tools; Industrial research; Low carbon steel; Milling (machining); Scanning electron microscopy; Speed; Turning; Wear of materials; AISI 4340; AISI 4340 steel; Cutting parameters; Cutting speed; End milling; High cutting speed; Minimum quantity lubrication; Taguchi's parameter design; Tool life; Wear mechanisms; Tribology SP - 392 ID - scholars20616 N2 - Purpose: The purpose of this paper is to study the cutting performance of high-speed regime end milling of AISI 4340 by investigating the tool life and wear mechanism of steel using the minimum quantity lubrication (MQL) technique to deliver the cutting fluid. Design/methodology/approach: The experiments were designed using Taguchi L9 orthogonal array with the parameters chosen: cutting speed (between 300 and 400 m/min), feed rate (between 0.15 and 0.3 mm/tooth), axial depth of cut (between 0.5 and 0.7 mm) and radial depth of cut (between 0.3 and 0.7 mm). Toolmaker microscope, optical microscope and Hitachi SU3500 Variable Pressure Scanning Electron Microscope used to measure tool wear progression and wear mechanism. Findings: Cutting speed 65.36, radial depth of cut 24.06 and feed rate 6.28 are the cutting parameters that contribute the most to the rate of tool life. The study of the tool wear mechanism revealed that the oxide layer was observed during lower and high cutting speeds. The former provides a cushion of the protective layer while later reduce the surface hardness of the coated tool Originality/value: A high-speed regime is usually carried out in dry conditions which can shorten the tool life and accelerate the tool wear. Thus, this research is important as it investigates how the use of MQL and cutting parameters can prolong the usage of tool life and at the same time to achieve a sustainable manufacturing process. © 2021, Emerald Publishing Limited. N1 - Cited by: 18 IS - 4 ER -