锻压技术

航空发动机钣金件先进成形技术尺寸精度及性能控制

英文标题：Advanced forming technology on sheet metal parts in aero-engines

单位：1.中国航空发动机研究院 2.航发智造(北京)科技有限公司 3.北京航空航天大学机械工程及自动化学院

分类号：T-19；V19

出版年,卷(期):页码：2023,48(5):67-78

摘要：

钣金件在航空发动机上应用广泛，随着先进航空发动机向高推重比、低油耗、长寿命、低成本方向发展，大量采用新材料、新型整体和轻量化复杂结构，对钣金件的成形技术提出了更高的要求和新的挑战。从概念、方法、装备、应用及发展水平等方面，系统地梳理和总结了高温合金、钛合金等关键金属材料钣金件的充液成形、热冲压成形等先进成形技术的国内外发展现状，分析了国内钣金件成形技术与装备等方面与国外相比的差距和发展需求。结果表明，国内应大力、持续推动航空发动机复杂钣金件先进成形技术工艺及装备的研发和投入，提升钣金件先进成形技术水平，建立健全的技术标准和质量体系，充分发挥市场效益和社会效率，实现钣金件成形技术及装备的自主可控。

Sheet metal parts are widely used in aero-engines. With the development of advanced aero-engines in the direction of high thrust-to-weight ratio, low fuel consumption, long life and low cost, a large number of new materials, new integral and lightweight complex structures are used, and higher requirements and new challenges are put forward for sheet metal forming technology. Therefore, from the aspects of concept, method, equipment, application and development level, etc., the domestic and foreign development status of advanced forming technologies such as hydroforming and hot forming of key metal material sheet metal parts such as superalloy and titanium alloy were systematically sorted out and summarized, and the gap and development needs of domestic sheet metal forming technology and equipment were analyzed compared with foreign countries. The results show that China should continue to vigorously promote the research,development and investment of advanced forming process, equipment for complex sheet metal parts of aero-engines, improve the level of advanced forming technology for sheet metal parts, establish and improve technical standards and quality systems, give full play to market benefits and social efficiency, and realize the self-controllable forming technology and equipment of sheet metal parts.

基金项目：

国家科技重大专项（J2019-VII-0014-0154）；中央高校基本科研业务费专项资金(YWF-22-L-504)

作者简介：朱宇（1981-），男，博士，高级工程师，E-mail：14526657@qq.com；通信作者：李小强（1979-），男，博士，教授，E-mail：littlestrongcn@163.com

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