Welding Machine and Helicopter

The History of Welding Machine

Welding Machine and Helicopter

Who Invented Welding Machine?

There is no one person we can credit with the invention of welding. Some of the earliest inroads toward traditional welding came about as early as 1800. In that year, Sir Humphry Davy produced the first electric arc between two carbon electrodes through the use of a battery. In 1836, Edmund Davy discovered acetylene. But it wasn’t until 1881 that true welding was invented.

Since the 19th century, people have developed more and more efficient techniques for accurate, fast and effective welding. Today, we even have robotic welding, a method growing in popularity. That uses computer control to weld metal much more quickly and accurately than is possible through manual welding. It also greatly reduces or eliminates any risks to human workers. One can only imagine what amazing new welding processes the 21st century will bring.

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History of Helicopter

It started with August De Meritens, who used arc heat to join lead plates together. A Russian student of his, named Nikolai Benardos, then patented a method of electric arc welding with carbon rods. After that, welding processes advanced very quickly. Nikolai Slavynov figured out how to use metal electrodes for welding, and following this, C.L. Coffin, an American engineer, discovered an arc welding process using a coated metal electrode. That became the precursor of shielded metal arc welding.

Welding Machine and Helicopter

The helicopter, aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air. Other vertical-flight craft includes autogiros, convertiplanes, and V/STOL aircraft of a number of configurations.

What is Vertical Flight

One important characteristic of the history of vertical flight is the pervasive human interest in the subject; inventors in many countries took up the challenge over the years, achieving varying degrees of success. The history of vertical flight began at least as early as about 400 CE. there are historical references to a Chinese kite that used a rotary-wing as a source of lift. Toys using the principle of the helicopter. A rotary blade turned by the pull of a string was known during the Middle Ages. Leonardo da Vinci made drawings of a helicopter. That used a spiral airscrew to obtain lift. A toy helicopter, using rotors made out of the feathers of birds. It was presented to the French Academy of Science in 1784 by two artisans, Launoy and Bienvenu; this toy forecast a more successful model created in 1870 by Alphonse Pénaud in France.

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