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。
It is well known that surface quality of parts has great influence on the operational performance such as wearing quality, figure strength and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、接触刚度等使用性能和寿命有很大的影响。
Surface quality of parts has great influence on the operational performance such as wearing quality, figure strength, corrosion resistance and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、抗腐蚀性及接触刚度等使用性能以及寿命、可靠性都有很大的影响。
Because of the tooth thickness of the dedendum is larger than that of the common involute gear and the Pitchs do not contact each other, the beam strength and surface strength of tooth are increased.
由于该齿轮的齿根厚度比普通渐开线齿轮的齿根厚，并且节点附近不相接触，因此，其轮齿弯曲强度和接触强度都提高。
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。
Shear strength of most contact surface specimens decreases with large water content of soil.
各接触类型接触界面的抗剪强度随土体含水率的增大均呈下降趋势。
The influence of coupling treatment by A-151 silane coupling agent on the contact Angle between the noil ramie and up, absorptivity, filament strength and surface state of the noil ramie is studied.
本文研究了A 15 1偶联剂对苎麻落麻纤维与UP的接触角、纤维的吸水性、纤维表面状态及单丝强度的影响。
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。
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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