A 42mm thick low carbon steel plate is reduced to 34mm in one rolling pass. At the same time that the thickness is reduced, the plate is widened by 4%. The elastic limit of the steel plate is 174MPa and its resistance is 290MPa. The input speed of the plate is 15m/min. The radius of the cylinder is 52.8mm and the rotation speed is 49 revolutions per minute. Determine:   a) The minimum coefficient of friction that will make this rolling operation possible.   b) The output speed of the plate   c) Slide forward

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.