Incremental Sheet Forming (ISF) Yogesh Kumar and Santosh Kumar Abstract Incremental sheet forming (ISF) process is an advanced flexible manu- facturing process to produce complex 3D products. In conventional forming process, the products are produced by dedicated tools, i.e. die and punch. However, ISF does not require any dedicated tool. A laboratory setup of single-point incre- mental forming machine has been developed using a motion card to control the 3 servo motors for controlling individual 3-axis and spindle movement at IIT (BHU), Varanasi. The strain distribution on the sheet over the length of deformation has been computed. The surface quality of the products is found to be good. Simple simulation has also been carried out. Keywords Metal forming Á Incremental forming Á Dieless forming Á Deforming tool 1 Introduction Metal forming is the backbone of modern manufacturing industry besides being a major industry in itself. Throughout the world, hundreds of million tons of metals go through metal forming processes every year. As much as 15–20 % GDP of industrialized nations comes from metal forming industry. Besides, it fulfills a social cause by providing job opportunities to the millions of workers. Metal forming industry, in general, is a bulk producer of semi-finished and finished goods Y. Kumar (&) Á S. Kumar (&) Mechanical Engineering Department, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India e-mail: yogeshiitbhu@gmail.com S. Kumar e-mail: santoshkr.mec@gmail.com © Springer India 2015 R.G. Narayanan and U.S. Dixit (eds.), Advances in Material Forming and Joining, Topics in Mining, Metallurgy and Materials Engineering, DOI 10.1007/978-81-322-2355-9_2 29