The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
在磨削加工过程中产生表面残余应力，其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
The variation laws of wearing character on V - packing are studied in the whole working life. The wearing character include the friction force, axial extrusion stress and axial pressure distribution.
对V形密封在整个工作寿命中，轴向挤压应力、轴向压力分布、摩擦力等特性变化进行实验研究。
Continuous extrusion technology and its die structure have been determined via stress analysis in extrusion forming and characteristics of material itself, with satisfactory effect in practical use.
通过挤压成形的应力分析，确定了连续挤压工艺及其挤压模结构，在实际应用中取得了令人满意的效果。
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