Title:
MILLING TOOL AND WORKPIECE MACHINING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/116475
Kind Code:
A1
Abstract:
A milling tool (10) is configured from a shank part (12) and a head (14) with a cutting edge that is provided on the leading end of the shank part. The head (14) comprises an expanding diameter section (14a), the diameter of which expands gradually from the base end that contacts the shank part (12) in the direction of the leading end, and a decreasing diameter section (14b), the diameter of which gradually decreases from the maximum diameter section (14c) in the direction of the leading end. At least one cutting edge (20, 22) is provided on each of the expanding diameter section (14a) and the decreasing diameter section (14b).
Inventors:
UENO HIROSHI (JP)
MIYAMOTO RYOICHI (JP)
NAGATA FUKUHITO (JP)
MIYAMOTO RYOICHI (JP)
NAGATA FUKUHITO (JP)
Application Number:
PCT/JP2017/044791
Publication Date:
June 20, 2019
Filing Date:
December 13, 2017
Export Citation:
Assignee:
MAKINO MILLING MACHINE (JP)
International Classes:
B23C5/10; B23C5/12
Domestic Patent References:
| WO2015015668A1 | 2015-02-05 | |||
| WO2006018894A1 | 2006-02-23 | |||
| WO2014068710A1 | 2014-05-08 | |||
| WO2014068710A1 | 2014-05-08 |
Foreign References:
| JP2013184285A | 2013-09-19 | |||
| JP2015016541A | 2015-01-29 | |||
| JPS5683315U | 1981-07-04 | |||
| US2406780A | 1946-09-03 | |||
| JP2011025374A | 2011-02-10 |
Other References:
See also references of EP 3725442A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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