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 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.

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本文从切削力、表面粗糙度、表面残余应力几个方面，研究了金刚石刀具刃口修锐度对切削表面质量的影响。

In this paper, the influence of diamond tool sharpness on machined surface quality was studied from the viewpoints of the cutting force, surface roughness and residual stress.

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本文主要研究了应力场下锯切切削力的特点。试验证明在拉应力场下锯切工件比普通锯切工件的锯切力小，使切削更加有利、高效。

This paper mainly study the feature of sawing force under stress field. The experiments prove that the cutting force under stress field is smaller than that of common sawing.

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