Experimental Studies on Die based Two Point Incremental Forming
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Abstract
Incremental sheet forming (ISF) is an interesting new field of study in rapid sheet metal forming. ISF employs a basic mould to make parts with curved surfaces that do not require special equipment. To fulfil the needs of small scale and diversified markets around the world and address the difficulties of long production cycles and high prices, this technique has a wide variety of uses from aerospace to medical research. This work attempts to develop a Two Point Incremental Forming (TPIF) setup for the forming of stainless steel (AISI 316 L) sheets of uniform thickness. In this work, the forming process has been carried out by varying process parameters such as tool diameter, step depth, spindle speed and feed rate. Forming is carried out in a Vertical Milling Centre (VMC) with a hemispherical tungsten carbide tool. The output responses such as wall angle of the formed component, forming time, surface roughness, depth of the formed component was measured and was compared with the selected input parameters.
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