There may be different degrees of oxidation on the surface of the wire drawn by the wire drawing machine for the following reasons:

1. The temperature of the cooling water in the sealing chamber is too high, exceeding 40°C, so that the sealing chamber cannot achieve the required cooling effect on the metal wire, resulting in the temperature of the monofilament is still high after annealing, and it encounters air at high temperature. oxidized by oxygen.

2. The saponified liquid content of the coolant in the sealed chamber is not enough, which will increase the friction between the wire and each guide wheel, and then the temperature of the wire will rise again, causing the surface of the wire to oxidize.

3. The water pressure and water volume of the cooling water in the sealing chamber are not enough, so that the metal wire cannot achieve a satisfactory cooling effect.

The solution to this oxidation phenomenon is: often check whether the equipment for cooling circulating water is in normal operation and whether the cooling effect is normal; add substances that can increase the concentration of saponified liquid in the sealed room at intervals, which can change the saponification in cooling water. Check the liquid content to ensure that the metal wire can run normally on the guide wheel; regularly check whether the water pressure of the circulating water is normal, and constantly change the pressure and water volume of the cooling water entering the sealed chamber according to the change of the water pressure during production.