Effective maintenance and repair of wire drawing dies are crucial to reducing costs.

Due to the vibration of the wire, the area that first contacts the wire in the compression zone of the drawing die first produces some slight annular wear, and then continues to expand to the sizing area, resulting in a serious decline in the surface quality of the wire and an increase in the size of the wire. Not only that, severe wear will cause the mold to produce transverse cracks (mainly in the drawing process of soft wire) or longitudinal cracks (mainly in the drawing of hard wire), resulting in premature scrapping of the mold.

Therefore, it is necessary to scientifically formulate maintenance specifications for the wire drawing die according to the type of wire to be drawn and the characteristics of wire drawing. Under normal circumstances, slight ring wear only needs to be polished to resume use, or a slight increase in diameter can meet the drawing requirements. Excessive wear will greatly reduce the number of mold repairs, or even scrap, which will increase the cost of wire drawing.