Groove cutter with chip breaker

A groove cutter with chip breaker, comprising:

• a cutter body (10);
• a cutter head (20) arranged at an end part of the cutter body (10), a cutting edge (21) being arranged at a bordering position of the cutter head (20);
• and
• a chip breaker (30) arranged on the cutter head (20), wherein the chip breaker (30) comprises a breaker bottom (31) and a breaker wall (32), the breaker bottom (31) being connected to the cutting edge (21), the breaker wall (32) being arranged on one side of the breaker bottom (31) away from the cutting edge (21), the breaker bottom (31) being non-coplanar with the breaker wall (32), an intersecting line (40) of the breaker bottom (31) and the breaker wall (32) comprising multiple connecting sections, and one curved transition section being arranged between two adjacent connecting sections,
• wherein the intersecting line (40) of the breaker bottom (31) and the breaker wall (32) extends from a left cutting edge (211) of cutter head (20) to a right cutting edge (212) of cutter head (20),
• wherein a left end of the intersecting line (40) intersects with and touches the left cutting edge (211), and a right end of the intersecting line (40) intersects with and touches the right cutting edge (212).