true rake

true rake

[′trü ′rāk]
(mechanical engineering)
The angle, measured in degrees, between a plane containing a tooth face and the axial plane through the tooth point in the direction of chip flow.
References in periodicals archive ?
Often, at some section of a pattern tool's knife edge, the true rake angle is 10 degrees or less and a side or back clearance angle has not been ground along sections of the pattern.