Investigation on the Effect of Process Parameters During Hot Incremental Sheet Forming of Hard-to-Form Material

Abstract: The manufacturing sector plays an essential role in satisfying society's needs and provides a catalyst for the country's progress. In the manufacturing and machining industry, there are new technologies. In the metal forming industry, the single point incremental forming is new technology. In SPIF single point tool is used to form the material without the use of an external die. Heat-assisted incremental forming is an advancement in single-point incremental forming, which enhances the formability of the material. In this experimental work, titanium material is formed by a heat- assisted single-point incremental process with the hemispherical tool at a different temperature, feed rate, step size, and lubricant on the vertical machining centre. The effect of these parameters on formability and surface roughness of material is analysed Using Taguchi design. ANOVA is used to assess which parameter substantially impacts the surface roughness of the material and assess the difference between statistical and mathematical experiment data for confirmation using regression analysis

Keywords: Hot incremental sheet forming, lubricant, coil heating system, formability, spring back, surface roughness, sheet thinning.