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.
分析了超微细切削加工的机理、特点及技术难点，并对最小切削厚度与刀具刃口圆弧半径的关系进行了量化分析。
The mechanism, features and difficult problems in superfine machining are analyzed. The relationship between the minimum cutting thickness and the circular radius is confirmed.
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