House wiring electrical wire manufacturing process || How An Electrical Wire & Cable Made in Factory
Electrical wiring cable Manufacturer | | How Beautifully Electrical wire Making Process in Factory. How To Make Electric Cable. How Electric Wires Are Made?
Electrical wire - How An Electrical Wire & Cable Made in Factory
Electrical wire manufacturing process || How An Electrical Wire & Cable Made in Factory
This is a step-by-step guide to how a cable is constructed, from start to finish. Here we will follow the process to see how the raw materials become a finished cable. It is quite the journey. Let's begin!
An extrusion machine is used to create copper wire by forcing the metal through a series of extrusion dies to create a particular shape. When creating cables, the copper begins as what's called an "ingot," which is basically a big brick of pure copper. The ingots are then stretched into long strands. The copper is first heated until it's flexible, and then pushed into the machine. Once it has reached a certain temperature, the machine begins to pull and form the copper into long strands. It's at this stage that it's decided what thickness the cable will be, as copper strands can be stretched into very thin wires, usually a very small fraction of an inch. After the copper has been formed into a strand, it is very stiff and frail. In order to become flexible, the wire will go through a process called "annealing," which means that the wire must be treated with heat to become malleable. Heating the wire will also help relieve any internal stresses inside the wire, as well as to soften the surface of the metal. Typically the copper is heated to about 1000-1200F, until the wire is glowing. The copper is then submerged in water right after reaching the desired heat, so that the metal can cool which will reduce the risk of oxidation. The machine then pulls the metal and submerges it into a 10-foot long bath of water in order to cool down and finish the formation process. The metal should now be soft and bendable. The next step is to add the copper together with the other wiring to finish forming the cable.
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