The Chinese shipping industry has developed the largest propeller. As we all know, since the founding of the People's Republic of China, China's domestic economy and science and technology have lagged far behind the world average, and the lack of technology has made China urgently need external assistance.
At this time, Western countries led by the United States adopted a strict technological blockade against China, and China's development in various fields was once in a desperate situation. After decades of efforts by many scientific researchers, China has undergone earth-shaking changes, and the level of science and technology has continuously caught up with the world, and China has finally achieved nirvana rebirth.
As early as 1963, China had the independent research and development technology of propellers. China currently has a propeller about 11 meters in diameter and three stories high, and the blade alone weighs 70 tons.
The propeller is the wheel of the ship to provide power, and the parts include the hub, paddle fluid and other materials, and also need to conform to certain disciplines, such as aerodynamics, fluid mechanics, etc. Propellers are divided into many kinds and are widely used, such as the propulsion system of aircraft and ships.
Maximum propeller
In the past, in the shipbuilding industry, the mainland was often sanctioned by Western powers, and the mainland urgently needed to embark on an independent path. Through the continuous efforts of mainland researchers, China has independently developed the largest propeller.
The propeller is not a few leaves that can be successfully assembled in one piece, and the casting of each leaf is not easy to come by, first of all, it is necessary to consider the curved surface during the manufacturing process. Also consider the finish of the blade surface.
Metal Materials
The material requirements of the propeller are also very high, and it is not ordinary metal that can be used to make a propeller. After the propeller is put into use, considering that it is permanently immersed in water, it must have a certain degree of corrosion resistance, as well as a certain hardness, and it is convenient to overcome the strong pressure under water when rotating.
Generally, synthetic metals are stronger in corrosion resistance and hardness than metal elements, so a certain amount of manganese and other metal materials will be added to make alloys during construction.
Technological research breakthroughs
Not only that, the large propeller developed by the mainland adopts a fully automatic and intelligent production line, only through computer programming, can complete the manufacture of large propellers in a short time, while the United States, is still relying on artificial manufacturing technology, enough to reflect the high technology of Chinese manufacturing.
During this period, CSSC has been constantly learning and trying to innovate, which is also to enhance its own team capabilities and have conducted in-depth discussions with the Continental Ship Science Research Center. It has also broken the general environment of Western blockade technology, making Western countries look at the mainland impressively.