FAQ

What is the Top Rake Angle?
The Top Rake Angle or Back Rake Angle is the angle between the face of the tool and a line parallel to the base of the tool and measured in a plane (perpendicular) through the side cutting edge. Top Rake Angle is usually measured using the Degree for Angle. Note that the value of Top Rake Angle is always positive.
Can the Top Rake Angle be negative?
No, the Top Rake Angle, measured in Angle cannot be negative.
What unit is used to measure Top Rake Angle?
Top Rake Angle is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Top Rake Angle can be measured.
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