No matter what kind of processing is used, there are three main angles of the blade: the front Angle, the cut Angle and the back Angle.

Its functions are as follows:

Front Angle: influence cutting force, cutting edge strength and chip flow characteristics;

(2) cutting Angle: control the direction of cutting force, effectively reduce chip, protect the cutting edge of the weakest part;

(3) after the Angle: to ensure that the tool cutting will not have friction with the workpiece.

Through the comprehensive optimization of these three angles of the cutting tool, the cutting edge can be strengthened, and the workpiece material can flow freely from the cutting area, so as to reduce the cutting force and extend the tool life.