---- Rake angle between the front and the base surface.
After cutting back corner ---- angle between the planes.
---- Wedge angle between the angle of the front and rear.
The angle between the main cutting edge angle ---- assuming that the work plane and planes measured in the base plane.
Angle of declination ---- deputy vice cutting plane and assuming that the work plane by measuring the base plane.
Knife sharp angle between the main and secondary cutting plane between the cutting plane ---- measured in the base plane.
---- Edge inclination angle of the main cutting edge and the base surface measured in the main cutting plane.