Classification of heavy forgings

Heavy forgings are classified as large tonnage and large size forgings. Including ring, shaft, cake and other forgings. Each piece of forging shall be consistent without any porosity, excess space, inclusion or other defects. The components produced by this method have a high ratio of strength to weight. Elements are commonly used in aircraft structures. The forging has the advantages of expandable length and contractible cross section; Retractable length, extensible cross section; Variable length, variable cross section. The types of forgings include: free forging, hand forging, hot die forging, precision forging, upset forging, roll forging and die forging.