Recently, the nation's largest engine GH4698 superalloy forging TC18 large aircraft structures and forging successful in Xi'an Yanliang National Aviation high-tech industry base, the company forged a triangle by the Xi'an 400MN (ie 40,000 tons) large forging hydraulic press Forging success. This indicates that 400MN die forging hydraulic press production line fully meets the requirements for self-developed large-scale die forgings and will further enhance the level of innovation and manufacturing capacity of large-scale die forgings in China.
400MN large forging hydraulic press is manufactured by Xi'an Triangle Company and designed by Tsinghua University. It is the world's largest single cylinder die forging hydraulic press. The press adopts a world-class design and control system and is an important basic equipment for the development of large-scale aircraft and new aeroengines in China. Tsinghua University is based on its decades of technical accumulation in the field of steel wire pre-stressed winding. It is designed using the most advanced pre-stressed steel wire winding split-and-chute technology. The overall performance of the equipment has reached the world's advanced level.
It is reported that the forging of the GH4698 superalloy forgings has a diameter of 1020 mm; the area of ​​the TC18 aircraft structure has reached more than 1 square meter. Both high-temperature alloys and titanium alloy die forgings adopt advanced forging technology and represent the first-class technical level in the domestic aviation forging industry.
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