Welcome To The Official Website Of Jinhua wojin Plastic Hardware Products Co., Ltd.!

Screw history

Source:Jinhua wojin Plastic Hardware Products Co., LtdRelease time:2019-10-07

The Greek mathematician Alcutas once described the principles of screws, screws and screws. In the first century AD, the Mediterranean world began to use wood screws, screws and screws in screw presses, which can be used to suppress olive oil from olives or to extract wine from grapes. Before the fifteenth century, metal screws, screws, and screws were rarely used as fasteners in Europe.

Rybczynski proved the hand-held screw driver. Screwdrivers existed in the Middle Ages (until 1580 AD), but it was only used in the 18th century with the commercialization of threaded fasteners. .

There are many different fastening methods before threaded fasteners are widely used. Mostly related to woodworking and forging, it has nothing to do with machining. The concepts used are like dowel pins and pins, wedges, shackles, wedge-shaped hoes, nails, forging and other knots tied with leather or fiber. Before the mid-nineteenth century, shipbuilding was fixed with cotter pins, pin bolts or rivets. There were also adhesives at the time, but the types were not as modern as here.

It has been used in the eighteenth century to have machine tools that can mass produce screws, screws, screws, metal screws, screws, and screws into common fasteners. This technology was developed around the 1760s and 1770s along two separate processes. Path, but soon merged: wood screws, screws, screws (metal screws used to fix wood, screws, screws) are machined with single-purpose, high-yield machines, and low-volume, mold-to-work V thread machine screws, screws, screws, can choose a variety of different pitch.

The first process mentioned above was first proposed by the brothers Job and William Wyatt of Staffordshire, England, who applied for a patent in 1760, which can now be called a screw at most. An earlier version of the screw and screw machine, which used a lead screw to guide the cutting edge to produce the required pitch. The screw groove type was generated by the rotating cymbal, and the spindle was stationary at the time. It was only in 1776 that they built the first woodworking screws, screws, and screw factories and started operations. Their business failed, but the new owner's operations improved. In the 1780s, 16,000 screws, screws, screws, and only 30 workers were produced. The industrial production and productivity are the current industry standards, but in It was a revolutionary breakthrough.

At the same time, British tool maker Jesse Ramsden (1735–1800) was also working on knives and die cutters, encountering problems with screws, screws, and screws. In 1777 he invented the first satisfactory one. Screw lathe. British engineer Henry Mozley (1771–1831) is famous for using this type of screw lathe to popularize this technology. The used lathes are 1797 and 1800 lathes, including lead screws, slides, and variable gears. The gear sets are all standard ratios for industrial production. He unifies the way the Huyatt Brothers and Ramsden produce screws, screws, and screws, using mechanical screws, screws, and screws that have been produced in the way of woodworking screws, screws, and screws, which are stimulating the commercialization of production. His company is still the leading brand of machine tools after ten years. The then Scottish engineer James Ney Smith misrepresented that Mozley "invented" the slide, which is not true, and Mozley made the lathe popular.