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本文总结了三种贝氏体球铁齿轮的齿根弯曲疲劳极限应力σ_(F11n)的测定结果。根据齿轮疲劳强度的快速测定方法,采用ISO/TC60424《直齿及斜齿园柱齿轮传动承载能力计算的基本原理》,求得循环基数No=3×10~6时的σ_(F11n)(可靠度为99%)分别为: 作者对测定结果和断口特点进行了初步分析。
This paper summarizes the measured results of the root bending fatigue stress σ_ (F11n) of three kinds of bainite ferrite gears. According to the method of rapid determination of fatigue strength of gears, the basic principle of ISO / TC60424 “Calculation of Bearing Capacity of Spur and Helical Cylindrical Gear Transmission” was used to obtain σ_ (F11n) at cycle number No = 3 × 10 ~ 6 Degree of 99%) were: the author of the results of the determination and fracture characteristics of a preliminary analysis.