MICRO-TEETH ARRANGEMENT DESIGNABLE END MILL HAVING TIP BLADE FOR DEDICATED USE WITH CARBON FIBER COMPOSITE MATERIAL

WIPO Patent Application WO/2019/047557

A1

An end mill having a tip blade for dedicated use with a carbon fiber composite material, comprising a tip blade part, a variable chip groove spirally angled circumferential blade part, a constant chip groove spirally angled circumferential blade part, and a blade shank part. At the tip blade part of the end mill, in the direction of two cutting blades that are symmetric with the axis line of the end mill as the center, provided are two parallel V-shaped chip accommodating grooves (1), two edges of circumferential micro-teeth (6) are in an overlapping arrangement, and the variable chip groove spirally angled circumferential blade part is in proximity to the tip blade part and points in the direction of the tip blade. The end mill having the tip blade for dedicated use with the carbon fiber composite material increases chip discharging performance when milling a blind groove, reduces the wear of the tip blade, reduces the cutting thickness of the edge of a micro-teeth cutting blade, effectively solves the problem of micro-teeth edge damages, reduces vibrations of the tip blade part and of a circumferential blade transitional part when milling a groove, and increases surface quality and cutting tool service life.

JIA ZHENYUAN (CN)
WANG FUJI (CN)
WANG ZEGANG (CN)
ZHAO MENG (CN)
ZHANG BOYU (CN)
BAI YU (CN)

PCT/CN2018/087193

March 14, 2019

May 17, 2018

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UNIV DALIAN TECH (CN)

B23C5/10

CN106270700A	2017-01-04
CN103567524A	2014-02-12
CN103071840A	2013-05-01
JP2015120219A	2015-07-02
KR20120023466A	2012-03-13
EP2848343A1	2015-03-18
CN200910013142A	2009-08-13
CN201610806761A	2016-09-06

See also references of EP 3533547A4

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