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“小yoyo㓜交”-知识课堂

首架C919小yoyo㓜交交付机完成首次换发

来源: 北京青年报
2024-11-05 22:39:29

最佳回答

“小yoyo㓜交”首架C919小yoyo㓜交交付机完成首次换发

  近日小yoyo㓜交,随着东航首架国产大飞机小yoyo㓜交C919试车各项参数正常,C919首架交付机全球首次换发(更换发动机)工作小yoyo㓜交顺利完成。此次换发成功,填补了国产大飞机在民航维修领域的一项空白。

  在飞机维修项目里,换发属于高难度的复杂工作之一。本次更换发动机主要目的是验证C919换发程序可行性,同时实现B-919A飞机发动机梯次管理,提升飞机安全性。

  C919飞机的整体动力系统(IPS)拥有全新的设计理念。发动机反推使用了独特的O形涵道结构,相比其它机型的C形涵道结构,能减少飞行阻力、提高燃油效率。这一独特设计,给维修工作带来了挑战。

  东航技术公司各部门以及主要进行换发作业的东航技术西北分公司,一同对维护手册、工装使用以及拆装过程中可能存在的难点等进行了逐一梳理和评估,制订了完善的工作方案。通过梳理,共识别出C919飞机与其他机型发动机更换差异10项,制订管控措施30条,包括针对IPS的特点梳理出的特殊处理流程等。

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