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Wire and cable process

Release time:

2020-05-09

Wire and cable equipment in order to reduce the occupation area of the wire, reduce the geometric size of the cable, stranded the conductor at the same time using a tight form, so that the ordinary circular variation for semicircle, sector, tile and tight pressure round. Such conductors are mainly used in power cables.

Wire and cable process

Wire and cable equipment in order to reduce the occupation area of the wire, reduce the geometric size of the cable, stranded the conductor at the same time using a tight form, so that the ordinary circular variation for semicircle, sector, tile and tight pressure round. Such conductors are mainly used in power cables.

1. Copper, aluminum single wire drawing

Wire and cable commonly used copper, aluminum rod, at room temperature, the use of wire drawing machine through one or several stretching die hole, so that its cross-section is reduced, the length is increased, the strength is improved. Wire drawing is the first process of the company in each wire and cable equipment, and the main process parameter of wire drawing is mold matching technology.

2. Monofilament annealing

Copper and aluminum monofilaments are heated to a certain temperature to recrystallize to improve the toughness of the monofilament and reduce the strength of the monofilament to meet the requirements of the wire and cable for the conductive core. The key to the annealing process is to prevent the oxidation of the copper wire.

3. Stranding of conductors

In order to improve the softness of the wire and cable to facilitate the laying and installation, the conductive wire core is made of a plurality of monofilaments. From the stranding form of the conductive core, it can be divided into regular stranding and irregular stranding. Irregular stranding is divided into bundle stranding, concentric complex stranding, special stranding and so on.