After nearly two years of unremitting efforts, China Precision Casting Co., Ltd. captured the key components of the commercial large bypass ratio aero engine and the casting technology of the high-temperature alloy overall casing earlier this month.
Under all kinds of unfavorable conditions at home and abroad, China Precision Casting completely relies on its own production and technical capabilities. After nearly two years of unremitting efforts, it successfully overcomes the difficulty of casting the commercial large duct by comparison with the overall high temperature alloy casing for engines. It has climbed the technology peak of domestic high-temperature alloy precision casting today, and filled the blank of the domestic high-temperature alloy integral casing casting technology for large passenger aircraft engines.
Superalloy refers to high-temperature metal materials that work for a long time under 760-1500 ℃ and certain stress conditions. It has excellent high-temperature strength, good resistance to oxidation and hot corrosion, good fatigue properties, fracture toughness and other comprehensive properties. It has become an irreplaceable key material for the hot-end components of military and civilian gas turbine engines.
During the two-year development process of China Precision Casting, it adopted a series of domestic advanced and international-level advanced technologies, and for the first time developed the largest and most complex high-temperature alloy precision casting box castings in China, thus mastering The manufacturing technology of large-scale and complex thin-walled integrated casings for commercial large bypass ductile engine superalloys has reached the international advanced level.
It is particularly rare that through research and development, Anji Precision Casting has trained a large number of technical personnel such as large-scale complex thin-walled overall box mold design and manufacturing, computer solidification simulation design, etc., and trained a large number of wax mold manufacturing, ceramic shell molding and melt casting molding. Controlling high-skilled staff has laid the foundation for the production of large-scale precision castings for domestic commercial engines.