The utility model relates to a CBN (Cubic
Boron Nitride) blade
chip breaker groove structure, which belongs to the technical field of
metal cutting tools and comprises a blade body, the blade body is a 80-degree rhombic cylinder and comprises a clamping hole, two
welding assembling grooves, two
cutting edges and two
chip breaker groove bodies, and the two
welding assembling grooves, the two
cutting edges and the two
chip breaker groove bodies are arranged in the clamping hole. The two
welding assembling grooves are formed in the two ends of the top of the blade body respectively, the cutting edges are welded and bonded to the inner walls of the welding assembling grooves, the chip breaker groove bodies are formed in the cutting edges, and the cutting edges are made of CBN materials. The chip breaker has the beneficial effects that the
shape design of the chip breaker body in the scheme can promote chips to curl according to a preset shape and break in time, the chip breaking rate is higher, long chips can be effectively prevented from winding a cutter, the continuous and smooth cutting process is ensured, the
processing efficiency is obviously improved, and the production cost is reduced. And the
downtime caused by chip cleaning, tool faults and the like is reduced.