History of Screws and Bolts
We may all know the screws and bolts, but we probably do not know the History of Screws and Bolts. the A screw is a tool that uses the physical and mathematical principles of oblique circular rotation and frictional force of an object to gradually fasten the mechanism of the utensil. A screw is of kind of fastener, Screws are indispensable industrial necessities in daily life: tiny screws used in cameras, glasses, clocks, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, etc.; large screws and nuts are used in engineering, construction, and bridges; large screws and small screws are used in transportation equipment, airplanes, trams, automobiles, etc. Screws have important tasks in industry, and as long as there is an industry on earth, the function of screws will always be important. The screw is a common invention in people’s production and life for thousands of years. According to the application field, it is the first invention of mankind for the History of Screws and Bolts.
And about the History of Screws and Bolts. The first person to mention the spiral was the Greek scientist Archimedes (c. 287 BC – 212 BC). The Archimedes spiral is a huge spiral contained in a wooden cylinder that is used to irrigate fields by raising water from one level to another. The real inventor may not be Archimedes himself. Maybe he was just describing something that already existed. It may have been designed by the skilled craftsmen of ancient Egypt for irrigation on both sides of the Nile.
In the Middle Ages, carpenters used wooden or metal nails to attach furniture to wooden structures. In the 16th century, nail makers began producing nails with a helical thread, which was used to connect things more securely. That’s a small step from these kinds of nails to screws.
Around 1550 AD, the metal nuts and bolts that first appeared in Europe as fasteners were all made by hand on a simple wooden lathe.
Screwdrivers (screw chisels) appeared in London around 1780. Carpenters have found that tightening a screw with a screwdriver holds things in place better than hitting with a hammer, especially when it comes to fine-grained screws.
In 1797, Maudsley invented the all-metal precision screw lathe in London. The following year, Wilkinson built a nut and bolt-making machine in the United States. Both machines produce universal nuts and bolts. Screws were quite popular as fixings because an inexpensive method of production had been found at that time.
In 1936, Henry M. Philips applied for a patent for a screw with a cross recessed head, which marked a major advance in screw base technology. Unlike traditional slotted head screws, Phillips head screws have the edge of the head of the Phillips head screw. This design makes the screwdriver self-centered and not easy to slip out, so it is very popular. Universal nuts and bolts can connect metal parts together, so by the 19th century, the wood used to make machines to build houses could be replaced by metal bolts and nuts. above is the History of Screws and Bolts
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