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The main process of Huadong wire and cable

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-03-04

Wire and cable is adopted: drawing, stranding, covering three process to produce complete, specifications and more complex, higher repeatability.

1 Drawing

In metal pressure processing. The metal is forced through a die under the action of external force (roller), metal cross sectional area is compressed, technical process and obtain the required shape and size of the cross-sectional area called the metal drawing.
Drawing process: wire drawing and stranding drawing.

2 stranding

In order to improve the flexibility of wire and cable, the overall degree, make the line more than 2, according to a prescribed direction interwoven together called stranding.
Stranding process: conductor stranding, cabling, weaving, and winding steel wire armoring.

3 The coating

According to the different performance requirements of wire and cable, using special equipment for coating materials with different conductor outside. Coating process:

A. extruded: rubber, plastic, lead, aluminum and other materials.

B. is longitudinally covered: rubber, corrugated aluminium strip material.

C.Wrapped around the : ribbon tape, tape, alkali free glass fiber tape, non-woven fabrics, plastic belt, cotton yarn, yarn linear fiber materials.=

D. dipping: insulating paint, asphalt etc.

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