| 摘要 |
PCT No. PCT/SE92/00278 Sec. 371 Date Mar. 17, 1994 Sec. 102(e) Date Mar. 17, 1994 PCT Filed Apr. 28, 1992 PCT Pub. No. WO92/19402 PCT Pub. Date Nov. 12, 1992.The invention relates to a cutting insert for machine tools wherein the insert adjacent its cutting edge has a chip forming device. The insert has a cutting edge and a planar surface adjoining the cutting edge. A recess is located downstream of the cutting edge and adjoining the planar surface. Various surfaces defining the recess are designed to engage a formed chip and bend it laterally. Obliquely upwardly directed abutment surfaces adjoining the planar surface are adapted to engage the edge flanks of the chip and bend the chip upwardly for breaking the chip into pieces.
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