Forging defects those are repeatedly occurring are discussed along with their causes and remedies. Factors for selection of forging machine, characteristics and common applications of forging are given. Also, briefly described the forging equipments (hammer and press). Die design parameters, die material requirements and selection of proper die materials are briefly discussed. A brief description about classification of forging process on the basis of temperature of work piece (hot, cold, and warm forging) and on the basis of arrangement of dies (open, impression and closed-die forging) is given. Initially, some important forging terms that are widely used in this field are discussed. The objective of this paper is to identify and understand the various forging processes and to investigate the various forging defects.
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