在建立有限元模型时要注意材料模型、网格划分、边界条件、切屑分离准则等方面，因为这些直接将影响模拟计算的精度。
Pay attention to the material model, meshing, boundary condition, and chip separation criterion of the model, which can affect calculation precision directly.
连续的切屑一般具有分离金属沿刀具面流动的特征。
Continuous chip. The continuous chip is characterized by a general flow of the separated metal along the tool face.
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