The surface damage of steel wire rope or steel wire caused by contact with the outside is collectively referred to as surface damage, but the plastic deformation caused by wire pressing die, preshaper or roll die in the manufacturing process does not belong to the category of surface damage.
The surface damage of the wire rope is:
1, wire rope compression injury: rope strands were crushed, rope deformation, rope strands were crushed, rope diameter deformation caused by uneven lay, stock gap increase, stock gap increase, hemp core exposed.
2. Steel wire rope injury: after the stock injury, resulting in hard bending convex hemp core exposed hanging injury: after the rope stock was hanging injury, the stock tightness is uneven; The coiled rope was seriously injured and scrapped;
3, wire rope scratch: this damage is caused by transportation or loading and unloading defects nail injury: rope head nail has caused inner layer damage
4, wire rope scratch: the outer wire was scratched by a hard object caused by the loose outer strand wire
