この問題で

在MJC，Lorentzen和他的团队将金属旋压和现代化CNC控制系统以及机器人技术结合起来，以创造先进的制造工艺来生产波音737MAX和777X的层流前缘蒙皮。问题的关键是如何在各种铝合金坯料中进行不圆零件的旋压成形生产，并且确保严格的公差能经受热成像摄像机的验证，根据CNC反馈进行精度跟踪，以及整合加热炬进行实时调节。详情请见本期《定制化金属旋压机制造引擎前缘蒙皮》。
过去50年来，航空制造商和工程师们一直在与液压密封奋斗，结果苦乐参半。这种密封技术在帮助航空工程师提高效率和正常运行时间上拥有广阔的前景，但到目前为止相关的应用仍未完全兑现该技术的潜力。Technetics提高了其液压密封在高空的密封性能，并能实现高达10倍的使用寿命，同时大幅减少维修和停机时间。这让辅助动力装置（APU）和其他应用领域从中获益匪浅。请见《先进建模优化液压密封》一文。
想象一下，如果地球上没有钛会怎么样？钛的强度高，重量轻，在飞机的许多零部件中得到了广泛应用，例如发动机架，其优异的耐腐蚀性和良好的焊接性也使其适用于起落架零部件中。由于飞机和汽车继续强调重量轻和省油，钛将越来越受欢迎。一个很好的例子就是波音787梦想号飞机，每架飞机使用了100多吨钛，占飞机总重近17%。并且，直接金属激光烧结（DMLS）也将推动钛的应用。详情请见《钛：地球之子》。

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Aerospace Manufacturing and Design China (AMDC), in a strategic editorial partnership with GIE Media’s Aerospace Manufacturing and Design and a team of authoritative editorial advisers in China, is published four times a year.
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