| 摘要 |
PCT No. PCT/SE97/00116 Sec. 371 Date Jul. 20, 1998 Sec. 102(e) Date Jul. 20, 1998 PCT Filed Jan. 23, 1997 PCT Pub. No. WO97/27019 PCT Pub. Date Jul. 31, 1997An indexible cutting insert for chip-breaking metal machining comprises an upper surface or chip surface, a lower bottom surface which is substantially plane parallel to the upper surface, and at least a side surface extending between the surfaces, which forms an acute angle with the upper surface and an obtuse angle with the bottom surface. The side surface has at least two bulging portions which are intended to function as support surfaces against the support surfaces in an insert seat. |
