Ab str ac t:Th oru幼thea.a lysi,o fth et echnologicalp orves= for the forming of the square enamel一--red wire, the technologicalpr ocesso fro llinga nde xtruding,an dth etr aitso fd ies truclurea sw ellas th ep rocedureo fit so peratingw erein torduced. Th e items should be paid attention in in the design and manufacture of the forming die were elaborated. Ke yw ord s;sq uaree namel一coveredw ire;f usingte chnology; rolling and extruding; di