The result shows that the surface contact fatigue strength of the gears is considerably greater than those from quenching-tempering carbon steel and greater than...
试验研究证明，这种材料齿轮的齿面接触疲劳强度远高于碳钢调质齿轮，并优于合金钢调质齿轮。
The result shows that the surface contact fatigue strength of the gears is considerably greater than those from quenching-tempering carbon steel and greater than those from quenchi…
试验研究证明，这种材料齿轮的齿面接触疲劳强度远高于碳钢调质齿轮，并优于合金钢调质齿轮。
Surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime.
陶瓷轴承球的表面缺陷会严重降低球的强度和滚动接触疲劳寿命。
The test indicates that contact fatigue life and wear resistance of surface quenched casting steels and Bainite quenched spherical cast iron are increased largely.
试验表明：经过表面淬火的铸钢和经过贝氏体淬火的球墨铸铁，其接触疲劳寿命和耐磨性大幅度提高。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
Designs o? The closed soft surface gear transmissions are generally restricted by the contact fatigue strength.
闭式软齿面齿轮传动设计中，常受齿面接触疲劳强度的限制。
Due to the above mentioned defects, early fatigue peeling occurs under the condition of overly contact stress at the top of the tooth caused by abnormal contact at the tooth surface.
因此，在齿面非正常接触导致齿顶接触应力过大的情况下，该齿轮发生了早期疲劳剥落。
The analysis on fatigue cracks of the outer race of aero-bearing shows that the distribution of residual tensile stress on race surface could reduce its contact fatigue life.
航空轴承外圈的疲劳裂纹分析表明，套圈表面的残余压应力分布致使轴承表面接触疲劳寿命降低。
The speed reducer gear tooth surface through contact fatigue strength to calculate, through the tooth root bending fatigue strength check;
减速器中齿轮通过齿面接触疲劳强度来计算，通过齿根弯曲疲劳强度验算；
To improve wear resistance and contact fatigue strength of high loaded mechanical parts, one of best effective methods is to improve surface hardness.
要提高承受高应力工件的使用寿命，提高其硬度是有效的方法之一。
Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality.
综合考虑了接触线应力集中系数、尺寸系数、表面质量系数和材料疲劳强度的影响，得到了接触线疲劳极限的统计特征。
Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality.
综合考虑了接触线应力集中系数、尺寸系数、表面质量系数和材料疲劳强度的影响，得到了接触线疲劳极限的统计特征。
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