节状切屑、积屑瘤和切削刃钝圆之所以能导致鳞刺，完全是由于在它们的前方都能形成层积金属。
It is because the accumulated metal can be lumped in front of a discontinuous chip, a bue and a rounded cutting edge of a tool hence the formation of scale on the occasions.
切削刃钝圆一般能使切屑卷曲半径增大。
The cutting edge roundness can make chip curling radii larger.
切削刃钝圆一般能使切屑卷曲半径增大。
The cutting edge roundness can make chip curling radii larger.
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