介绍国外应用分子动力学研究超精密切削机理的现状和方法。
A review of the recent oversea research on the mechanism of ultra-precision cutting and the research methods are given.
超精密切削是超精密加工中的一个重要领域，它是一项内容广泛的新技术。
Super precision cutting is a important field of super precision machining, and it is a broad new technic.
采用有限元方法模拟三维精密切削过程，包括三维正交切削和三维斜角切削。
The finite element analysis method is used to simulate the 3D precision cutting, including orthogonal cutting and oblique cutting.
最小切削厚度的获得是反映超精密切削加工水平的重要标志，因此对极薄切削进行分析具有重要意义。
It is a sign of the machining level of ultra-precision cutting reflected by the achieving of minimum cutting thickness. And it will be significant to the analysis of extra thin cutting.
通过三维切削模拟可以获得在不同刃倾角精密切削过程的条件下切屑形状、切削力和切削温度场的分布情况。
The effects of tool's inclination angle on chip formation and the temperature fields, as well as the cutting forces, back forces and feed forces are discussed.
在超精密切削、磨削、特种加工中，大行程驱动与高精度进给是难以解决的矛盾，也是多坐标超精密加工的难点。
On ultra precision cutting, grinding and non-traditional machining, there is a hard problem between long travel and high precision, especially in multi-coordinate machining.
在超精密切削、磨削、特种加工中，大行程驱动与高精度进给是难以解决的矛盾，也是多坐标超精密加工的难点。
On ultra precision cutting, grinding and non-traditional machining, there is a hard problem between long travel and high precision, especially in multi-coordinate machining.
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