Table 5: Analysis results on the effect of the design variables on the maximum stress.

Level 1Level 2Level 3Level 4Deviation%Rank

−31.01−30.25−29.55−29.071.9361.71
−29.96−29.98−29.93−30.010.092.83
−30.50−30.06−29.92−29.391.1135.52

Total3.13100