| 摘要 |
PCT No. PCT/SE95/00810 Sec. 371 Date Feb. 28, 1997 Sec. 102(e) Date Feb. 28, 1997 PCT Filed Jun. 30, 1995 PCT Pub. No. WO96/01164 PCT Pub. Date Jan. 18, 1996A cutting insert includes a cemented carbide body having two main cutting edges joined by a corner cutting edge. A primary land extends behind the corner and main cutting edges. A chip breaker in the form of a micro ridge projects upwardly from a section of the primary land located in the vicinity of the cutting corner. The primary land has a width in the range of 0.1 to 0.8 mm, and the micro ridge has a width which is between 25 and 80 percent of the width of the primary land. |
