Aluminum alloy forgings account for a small amount of forgings (free forgings and forgings) in the four major types of pressure-treated products, accounting for only about 30%. In 2011, the total consumption of aluminum in the world was about 57400 kt, of which cast products (die casting and casting, the former accounted for about 80%) about 16600kt, accounting for 29%; pressure processing products 40800kt (flat rolling products, namely plates, strips, foil) About 21000kt, accounting for 52%; extrusion and tensile materials 18,000kt, accounting for 44%; forgings 1224kt, accounting for 3%; powder, paste, other about 410kt, accounting for 1%), accounting for 71%. Among the above total aluminum consumption, primary aluminum accounted for 71% and recycled aluminum 16600kt, accounting for 29%. This is for the world, the production and consumption of various products in different countries and regions are not the same, even for individual countries and regions will have considerable differences, but the proportion of the above-mentioned major economic powers is still the same Adapted.
Japan's Kobe Steel Company expanded Suzhou Automotive Aluminum Forgings Factory. The amount of forgings in aluminum parts is not large, but it is very important, and it is a bearer with large force. For example, the total amount of aluminum products in Japan from April to September 2011 (the first half of the fiscal year 2011) was 682.601 kt, of which : Rolling and extrusion products 120.038kt, accounting for 17.6%; die castings and castings 547.906kt, accounting for 80.27%, forgings 14.657kt, accounting for 2.2% weak, but forgings are heavy loads such as suspension system parts and wheels Bearing structural components play a vital role in ensuring safe and stable driving of the car.
Japan's Kobe Steel Corporation (kobesteel.Ltd.) originally invested 1 billion yen in Suzhou is building an automotive aluminum product factory called Kobe Aluminum Automotive Products (China) Co., Kapp China Now, it is being adjusted and ready for trial production, which can be commercialized in batch production in August. The company is a wholly-owned Japanese company, with Kobe Steel Corporation accounting for 60% of the shares, Mitsui Co. (25%) and Toyota Tsusho Corp. (15%). Construction began in December 2010. For automotive suspension system forgings, there is a 63MN mechanical drive press (Mechanical Press), the forging production capacity of 120,000 pieces / year.
At the time when the Kobe Suzhou Aluminum Forging Plant is still under construction, in view of the rapid development of China's automobile industry, rail vehicles and other transportation industries, environmental protection pressures have increased, and transportation equipment needs to be reduced in quality. The demand for aluminum alloy forgings will be correspondingly Ascending, Kobe Steel Company said on December 15, 2011 that it will invest 4.5 billion yen in Suzhou Aluminum Forging Plant and build another 63MN mechanical press to double the production capacity of forgings to 250,000. Pieces/year. This new forging press can be put into production in 2013.
Kobe Steel has one or two aluminum forging plants that produce automotive suspension parts, one in Dae, Mie Prefecture, and one in Kentucky, USA. They each have 4 presses and a production capacity of 3.6 million pieces per year, all of which are under full production.
China's construction of the world giant 800MN forging press small and small forgings still have room for development
In 2011, there were about 480 forging presses of various types in various sizes in the world, including about 25 MN (including 100 MN), and heavy forging presses with forging pressure of 300 MN distributed in: 4 in Russia, of which 750 MN 2 Taiwan; 6 in the United States, of which 4 in the 500 MN class, mostly owned by Alcoa; one in France with 650 MN; one in Germany with 30 MN and 450 MN; one in China with 30 MN, 1973, 9 The monthly load test was successful. In June 1974, the first batch of H6 frame forgings was produced. The 450MN forging press manufactured by the second heavy machinery company was installed in 2011. This is the only new forging that has been newly manufactured in the world in the past 30 years. machine.
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