Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
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Our product MMK6026 , which is CNC tool grinder with 6-axis and 5-coordinate controls, is used to machine the rake face and relief of conical ball end mills or other complex shaped tools.