Abstract
This paper presents an experimental assessment of the factors affecting the Single Point Incremental Forming (SPIF) process aiming to characterize their influence when forming Al 6061 sheets. The experimental trials were undertaken at different levels of incremental depths, feed rates, and spindle speeds and the process responses were the obtainable surface roughness and thinning. The results showed that the incremental depth has a significant effect on the surface roughness and feed rate found to be the second effective parameter. Also, thinning was highly dependent on the applied spindle speed. However, the results revealed that the stretching of the material prominently increased with the increase of feed rate up to a certain limit (1000 mm/min), then the stretching slightly decreased with the further increase in the feed rate.
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