The use of end mills—–face milling

End mills can be used for face milling. However, because its main declination angle is 90°, the force on the tool is mainly radial force in addition to the main cutting force, which is easy to cause deflection and deformation of the tool bar, and also easy to cause vibration, which affects the processing efficiency. Therefore, in addition to similar to thin-bottomed workpieces Except for special reasons such as the need for small axial forces or the occasional reduction in tool inventory for face milling, end mills are not recommended for machining flat surfaces without steps.

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