| 摘要 |
<p>PCT No. PCT/SE96/01125 Sec. 371 Date Apr. 20, 1998 Sec. 102(e) Date Apr. 20, 1998 PCT Filed Sep. 10, 1996 PCT Pub. No. WO97/16277 PCT Pub. Date May 9, 1997The present invention relates to a method and a cutting insert for threading. The method aims to produce a thread in a rotary work piece. The threading insert has a polygonal basic shape including at least one cutting corner. The cutting corner has two cutting tips with different projections which cutting tips each comprises a cutting edge, which is provided to form a thread top substantially between the cutting tips. The total projected length of the cutting edge is smaller than two thread pitches.</p> |
