Fleet and single airplane combined fatigue lifetime extension method
一种单机、疲劳的技术,应用在疲劳,飞机疲劳延寿领域,能够解决结构不可拆、单机状态差异大、无法确定单机载荷历程等问题,达到降低疲劳试验时间的效果
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[0023] The present invention will be further described below.
[0024] The comprehensive fatigue life extension method of the machine group and the single machine state of the present invention, the steps are:
[0025] For the fleet in service, carry out fixed-life fatigue test, fatigue damage tolerance analysis, and dismantling inspections, conduct statistical investigations on the use and maintenance of the field, determine the key parts of life extension, and then based on the fixed-life fatigue test, fatigue damage tolerance analysis, dismantling inspection results and external field Use and maintenance conditions, determine key parts of life extension, including key parts of fatigue and corrosion;
[0026] Take different technical measures for the key parts of life extension and non-life extension key parts, and control them according to the life extension index and the whole life index;
[0027] For each key part of life extension, according to the aircraft group and co...
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