Production Requirements of Steel Core Aluminium Strand Wire

Steel core aluminum strands are widely used in many electric power systems. Do you know what requirements the ACSR has when they are manufactured?

1.The wire rod used in the manufacture of steel strand should be Soxhlet body wire rod, after cold drawing, it should be twisted to make steel strand, and it should be treated with continuous stabilization.

2.There must be no broken, split, intersecting steel wires and other defects in the steel core aluminium strand wire.

3.The lay length of the steel strand is 12 to 18 times the nominal diameter of the steel strand.

4.In the absence of special provisions, the twist direction of the steel strand is left (s) twist; the right (z) twist needs to be indicated in the contract.

5. In the process of stranding of steel strands, steel wire butt welding is allowed, but the welding point is within the range of forty-five meters long steel strands,cannot exceed one weld point.

6.Finished steel strands should be cut with a grinding wheel saw and should not be loosened after cutting.

Synthesize above content, must pay attention to when manufacturing!