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1. (WO2018176751) FLUTE DIVIDING FORMING CUTTER

Pub. No.:    WO/2018/176751    International Application No.:    PCT/CN2017/102414
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Thu Sep 21 01:59:59 CEST 2017
IPC: B23C 5/06
Applicants: SHENZHEN XINGUOYU PRECISION TOOLS LTD
深圳市鑫国钰精密工具有限公司
Inventors: HE, Yuliang
何于亮
ZENG, Xiangui
曾宪桂
Title: FLUTE DIVIDING FORMING CUTTER
Abstract:
A flute dividing forming cutter (10), comprising a shank (11) and a cutting part (12). One end of the shank is connected to the cutting part; the cutting part comprises a first margin (121), a second margin (122), a third margin (123), and a fourth margin (124) circumferentially arranged in order along the cutting part; an angle (α1) between the tip of the first margin and the tip of the second margin is 87° to 88°; an angle (α2) between the tip of the second margin and the tip of the third margin is 92° to 93°. The flute dividing forming cutter can ensure that there is no obvious stripe on the surface of a product machined by the cutter, the service life of the cutter can be prolonged, and the use stability of the cutter is ensured.