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The combination of a high basic side rake angle, yet a negative effective rake
angle is shown in Figure 19. The chip forming T-Land is 1mm to 2mm wide
(T-land Width) and has a side rake angle of –10° to –20° [3]. In Figure 20, the
definition of the Front Face Distance is represented. For two-face blades this
value cannot be influenced, where for three-face blades, the front face dis-
tance locates the front face in blade thickness direction.
Figure 19: T-land on cutting edge for hard finishing (skiving)
Figure 20: Definition of the front face distance
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