STUMP GRINDING CUTTER BIT WITH CUTTING INSERT HAVING EDGE PREPARATION

摘要

#$%^&*AU2014201763A120141113.pdf#####ABSTRACT OF THE DISCLOSURE A stump grinding cutter bit includes a non-rotatable shank portion, a head portion integrally formed with the non-rotatable shank portion and including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes: a body having a top surface, a leading face, an opposing trailing face, a first side and a second side; a T-land surface extending between the leading face and the top surface and extending between the leading face and the first side and second side; and a cutting edge formed at the intersection of the T-land surface and the top surface and at the intersection of the T-land surface and the first side and the second side.1/5 226 240 236 210 214 217 212 FIG. 1