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Main process of wire and cable

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  • Time of issue:2019-12-30
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(Summary description)Wires and cables are made by three processes: drawing, twisting and covering. The more complex the model and specification, the higher the repeatability.

Main process of wire and cable

(Summary description)Wires and cables are made by three processes: drawing, twisting and covering. The more complex the model and specification, the higher the repeatability.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2019-12-30
  • Views:2
Information
Wires and cables are made by three processes: drawing, twisting and covering. The more complex the model and specification, the higher the repeatability.
1. drawing
In metal pressure machining, the metal is forced to pass through the die (pressing wheel) under the action of external force, and the cross-sectional area of the metal is compressed, and the required cross-sectional area shape and size is obtained.
Drawing process: single wire drawing and stranding drawing.
2. stranding system
In order to improve the flexibility and integrity of wires and cables, more than two single wires are interwoven in the specified direction, which is called stranding.
Stranding process includes conductor stranding, cabling, knitting, steel wire armor and winding.
3. coating
According to different performance requirements of wires and cables, special equipment is used to cover different materials on the outside of conductors. Coating process includes:
A. Extrusion: rubber, plastic, lead, aluminum and other materials.
B. Longitudinal package: rubber, corrugated aluminum strip material.
C. Wrapping: Ribbon paper tape, mica tape, alkali free glass fiber tape, non-woven fabric, plastic tape, etc., linear cotton yarn, silk and other fiber materials.
D. Dip coating: insulating paint, asphalt, etc

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