Drawing die wire drawing

　　 Wire drawing refers to a pressure processing method in which the wire blank undergoes plastic deformation through the die hole under a certain tensile force, so that the section is reduced and the length is increased.

　　Stretching characteristics

　　(1) The stretched wire has more precise dimensions, smooth surface, and various cross-sectional shapes.

　　 (2) It can stretch wires of large length and various diameters.

　　(3) Mainly cold processing, simple drawing process, mold and equipment, high production efficiency.

　　 (4) Stretching energy consumption is large, deformation is limited to a certain extent