The geometric parameters of the cutting part play an important role to the cutting efficiency and the quality of machining. Increasing the cutting rake angle can reduce the plastic deformation of the rake face when the cutting layer is pressed and can also reduce the frictional resistance of the chip flowing through the front, thereby reducing the cutting force and the cutting heat. At the same time, increasing the rake angle will reduce the strength of the cutting edge and the heat dissipation volume of the cutter head.
When selecting the angle of cemented carbide tools, it is necessary to consider the influence of various factors, such as workpiece materials, carbide tool materials, processing properties (rough, finishing), etc., which must be reasonably selected according to the specific applications. Generally speaking, the angle of cemented carbide tool refers to the angle between the cutting face of a cutting tool and the surface of the work back of the tool. In actual work, the actual working angle and the designing angle are different due to the different mounting positions of the cemented carbide tool and the change of the cutting direction. , but the difference is very small.
At present, Chinese cemented carbide tool manufacturing companies are working hard to improve the technical level of carbide tool design, manufacturing, sharpening and coating to meet the requirements of the automotive industry to use a large number of CNC machining equipment, and continue to develop high-speed, high-precision machining. All of these provide excellent external conditions for the automotive industry to further improve the application and management of cemented carbide tools.
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