A chain is typically made of metal (steel, most frequently stainless steel), and it consists of a number of joined or connected links. There are numerous various ways to make chain, and these have both functional and decorative uses. Although many historians believe it might have happened much earlier, metal chains have been in use for many thousands of years and are typically dated to around 225 BC. These days, you can utilize them for a wide range of activities. The smallest, most delicate chains are frequently used as jewelry, whereas the largest chains are made for heavy lifting or for large industrial machines. Let’s explore the chain-making process.

Large rolls of wire are stretched through a machine that lubricates, narrows, hardens, and strengthens the wire to create chains in the factory. The wire is then coiled onto a sizable drum and prepared for chain-making.

The process that follows differs on the type of chain being created, but in general, powerful machinery bends the wire before cutting it to create the chain’s links. Some chains are created from wire that is first bent by larger machines before being cut into smaller lengths. These linkages, which may have very small gaps, are joined together using a unique machine. Every factory uses a wide range of shaping machines to produce various kinds of chain.

One of the last steps in the production process is heat treatment. The chain is heated to a flaming hot state by an electrical current as it passes through a heat treatment coil. After that, the chain is submerged in water to cool. The steel becomes harder as a result of this process, but it also becomes brittle. To avoid this, the chain is once more dipped into cool water and passed through a heat coil that is not as hot as the first one. When the chain passes these testing on a specific machine, it is then prepared for delivery.

Let’s watch the process of making chains in the video below:

Source: Insider

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