带切屑瘤的连续切屑：这种切屑显示了粘合或“焊接”在刀具面上材料局部高度变形区的存在。

Continuous with a built-up edge. This chip shows the existence of a localized, highly deformed zone of material attached or "welded" on the tool face.

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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.

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