Optimization of Machining Parameters to Improve Surface Quality in the Abrasive Water Jet Cutting of AA6351 Aluminium Alloy
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Abstract
This project aims to establish a clear definition of abrasive water jet cutting for AA6351 aluminium alloy and investigate the effects of varying cutting parameters such as water jet pressure (WJP), nozzle distance (ND), abrasive flow rate (AFR) and traverse speed (TSP) on the quality of cut surfaces Surface roughness (SR) and material removal rate (MRR). In this work, the use of Taguchi-based desirability interpretation is used to determine the best parameter settings for abrasive waterjet machining (AWJM) on the AA6351 aluminium alloy. The findings show that when WJP increases and TSP reduces, SR and MRR decrease as well. ANOVA reveal that WJP significantly influence the SR value as well as MRR value trailed by AFR that affect SR and ND affects the MRR. Additionally, the surfaces were thoroughly studied using scanning electron microscope.
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