An Overview of Performance Characteristics, Experiencesand Trends of Aerospace Engine Bearings Technologies

查看全文 作　　者：Ebert Franz-[1]Josef

机构地区：[1]Sales and Product Development Aerospace, FAG Aerospace GmbH & Co. KG, Schweinfurt D-97421, Germany

出　　处：《Chinese Journal of Aeronautics》索引2007年第20卷第4期,共7页

摘　　要：In this paper, the operating conditions, technical requirements, performance characteristics, design ideas, application experiences and development trends of aerospace engine bearings, including material technology, integration design and reliability, are reviewed. The development history of aerospace engine bearing is recalled briefly at first. Then today’s material technologies and the high bearing performances of the bearings obtained through the new materials are introduced, which play important rolls in the aeroengine bearing developments. The integration design ideas and practices are explained to indicate its significant advantages and importance to the aerospace engine bearings. And the reliability of the shaft-bearing system is pointed out and treated as the key requirement with goals for both engine and bearing. Finally, as it is believed that the correct design comes from practice, the pre-qualification rig testing conducted by FAG Aerospace GmbH & Co. KG is briefly illustrated as an example. All these lead to the development trends of aerospace engine bearings from different aspects. 关键词：航空宇宙发动机方位特性性能材料技术完整方位设计可靠性系统成本

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An Overview of Performance Characteristics, Experiencesand Trends of Aerospace Engine Bearings Technologies

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