MD-90客机的结构设计及工艺特点分析

Structure Design and Manufacturing Feature Analysis of MD-90 Airliner

MD-90飞机是美国90年代初推出的一种环境保护飞机,综合了MD-80系列机的优点,换装了噪音低、喷气污染小的新型V2525-D5发动机,是目前世界上典型的尾装发动机客机。我国4家主要飞机公司承担了MD-90制造、装配任务,也作为我国航空工业腾飞计划的关键一步。MD-90飞机在结构设计方面,诸如机身结构、机身机翼对接、增压舱。

MD-90 Airliner is a environment-friendly airplane equipped with new law noise and low emission V2525 -D5 engines . This article discusses its structure design features, including fuselage structure, fuselage and wing joining, pressurized cabin design and fuselage surface. It also describes some manufacturing features, such as integrated-part machining, integrated fuel tank sealing , pre-load indicating washer , etc.