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描述了新研发动机使用的传统过盈螺纹螺桩在发动机试车过程中发生的故障情况;对故障进行了分析研究;指出当今国外航空发动机已不再采用这类螺桩;试制、试验了拟在预研发动机上采用的替代过盈螺纹螺桩的新型紧固件,并建议对新型紧固件制定国家军用标准。
Describes the failure of the traditional interference screw piles used in the new motivation for the development of the engine during the test run of the engine; analyzes and studies on the faults; points out that these types of screw piles are no longer used in the foreign aeroengines today; Pre-engineered alternatives to the new type of fasteners used for the interference screw thread piles, and proposed the development of new types of fasteners national military standards.