CUTTER HAVING HARD COATING AND SUPERHARD COATING, AND MANUFACTURING METHOD THEREFOR

WIPO Patent Application WO/2020/133511

A1

A cutter having a hard coating and a superhard coating, and a manufacturing method therefor. The cutter comprises a cutter body (10), a chip groove (11) and a helicoid (12) being provided on the outer periphery of the cutter body; the circumferential length of the helicoid ranges from 0% to 80% of the circumferential length of the cutter body, a hard coating (2) is deposited on the helicoid, the thickness of the hard coating at positions where the distances to the tip end of the cutter body are L3 and L2 in the axial direction of the cutter body is H1 and H2, respectively, L2 being greater than L3, and the ratio of H2/H1 ranging from 1 to 1.5; the outer diameter of the cutter body at the hard coating is D1, and the outer diameter of the cutter body outside the helicoid is D2, D2 being less than D1; and the cutter body is further provided with a superhard coating (6), the superhard coating being deposited on the surface of the cutter body and the surface of the hard coating. The cutter having a hard coating and a superhard coating has a good machining effect and a long service life.

CHEN CHENG (CN)
QU JIANGUO (CN)
HUANG YINGYING (CN)
ZHANG GUOHUI (CN)
LU CHENG (CN)

PCT/CN2018/125833

July 02, 2020

December 29, 2018

Click for automatic bibliography generation  

SHENZHEN JINZHOU PRECISION TECH CORPORATION (CN)

B23P15/32; B23B51/02; C23C28/00

CN108179398A	2018-06-19
CN1432444A	2003-07-30
CN108300993A	2018-07-20
CN108823526A	2018-11-16
CN1786253A	2006-06-14
CN105316629A	2016-02-10
JP2002263934A	2002-09-17

SHENZHEN YOUTH PATENT AND TRADEMARK AGENCY LTD. (CN)

View/Download PDF      PDF Help

Previous Patent: ULTRASONIC IMAGING METHOD AND DEVICE

Next Patent: CUTTER WITH HARD COATING AND MANUFACTURING METHOD THEREFOR