A large-scale wire and cable enterprise group integrating manufacturing, sales, design and research and development.
INQUIRY NOW
A large cale wire and cable enterprise group integrating manufacturing,sales, design and research and development.
INQUIRY NOWDecember 25, 2024
Overview of the manufacturing process of wires and cables
The manufacturing of wires and cables involves multiple links, and each step affects the quality and performance of the product. This article will briefly introduce the core production process of wires and cables, allowing you to quickly understand how to go from raw materials to finished products.
1. Copper and aluminum monofilament drawing
Copper and aluminum are commonly used conductor materials. Usually starting from copper rods or aluminum rods, they are drawn into filaments through a wire drawing process. This process reduces the cross-section of the wire by stretching the die, increases the length, and improves the strength of the wire.
2. Conductor twisting
In order to enhance the flexibility of wires and cables, the conductor core is twisted by multiple filaments. The twisting method can be regular or irregular, and the common ones are bundle twisting and concentric twisting. This process facilitates the installation and use of cables.
3. Insulation layer extrusion
The insulation layer of wires and cables is made of plastic materials (such as PVC or PE) and is wrapped around the conductor through an extrusion process. High-quality insulation layers require uniform thickness, smooth surface, and no bubbles to ensure the electrical safety and durability of the cable.
4. Cabling
Multi-core cables are twisted into cables to make the cable compact and have better stability. During this process, the cable is usually filled and tied to maintain its shape and structural integrity.
5. Armoring
For cables that need to be used in high-voltage environments, such as cables laid underground, armoring is usually required. The armor can be made of steel tape or steel wire to provide additional mechanical protection to prevent damage to the cable.
6. Outer sheath
The outer sheath is the last layer of protection for wires and cables to prevent damage to the cable from the external environment. It can provide waterproof, anti-corrosion, wear-resistant and flame-retardant functions to ensure the reliability of the cable in harsh environments.
Summary
The production process of wires and cables involves multiple steps such as drawing, twisting, extrusion, cabling, armoring and outer sheathing. Precise control of each link ensures the excellent performance of the cable in practical applications. If you have more requirements for the quality and performance of wires and cables, it is undoubtedly very important to understand these processes.
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