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首页> 外文期刊>Light Plane Maintenance >BELLANCA1730A; FAILED NOSE LANDING GEAR; ATA 3230
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BELLANCA1730A; FAILED NOSE LANDING GEAR; ATA 3230

机译:BELLANCA1730A;失败的鼻子起落架; ATA 3230

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"During touchdown on runway 36L," says the submitter, "the nose landing gear failed and partially collapsed upon contact with the runway. It appears (from our investigation) the nose gear linkage bearing rod-end (P/N 198001-2) to the gear extension assembly experienced a fatigue failure. Based on the fracture signature, the failure appears to be a mild to high stress concentration (from a...) one-way bending load. The rod-end failed at a point where (its) threads and nut meet, shearing even with the nut face (AN316-4R). (These) threads were stretched and bent at a fifteen degree angle with about one-half inch of thread showing.
机译:提交人说:“在36L跑道着陆期间,前起落架发生故障,并在与跑道接触时部分塌陷。(根据我们的调查,)前起落架连杆轴承杆端(P / N 198001-2)齿轮延伸组件的疲劳失效。基于断裂特征,失效似乎是轻微的至高应力集中(来自...)单向弯曲载荷。杆端在(它的螺纹和螺母相遇,即使在螺母面(AN316-4R)上也能剪切,这些螺纹被拉伸并弯曲了15度角,显示出大约一半英寸的螺纹。

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    《Light Plane Maintenance》 |2010年第12期|p.3|共1页
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