Abstract: “In the recent years, the application of Incremental Sheet Forming (ISF) in manufacturing small batch sheet products has increased rapidly, especially in medical treatment domain such as forming artificial titanium piece of human cranium because of the typical and unique cranium of each individual. This paper focus on the effect of heating on the formability of Titanium sheet material by ISF technology. Heating is one of the measures of increasing the formability of Titanium, the typical material that is permitted to manufacture the replaceable cranium. The design of experiment, the analyses of variance and the process are applied to the result of empirical process of circular lateral profile models in order to perform a regression equation that shows the relation of heat and other factors to the formability of Titanium sheet. The comparison”

Keywords: ISF, heating, formability metal sheet, design of experiment, analyses of variance, regression equation, mechnical engineering.