Title:
CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2018/016412
Kind Code:
A1
Abstract:
To prevent coolant leakage, facilitate coolant reaching the vicinity of a cutting edge, and to enable coolant to be efficiently supplied to a flank and the cutting edge. A cutting tool provided with a coolant jetting member 37 detachably provided to a distal-end part of a tool body, wherein the coolant jetting member 37 is provided with a flank jetting part 44 in which a first jetting hole 51 opening toward a flank and a cutting edge is formed, and a cylinder part 43 formed in a cylindrical shape and internally communicated with the first jetting hole 51 and a coolant supply channel, a flow channel being formed in the coolant jetting member 37 by the insides of the first jetting hole 51 and the cylinder part 43, the cross-sectional shape of an inflow port 43a connected to the coolant supply channel in the cylinder part 43 and the cross-sectional shape of an outflow port 51a positioned in an end part on the opposite side of the first jetting hole 51 from the cylinder part 43 being mutually different in the flow channel, and the cross-sectional area of the outflow port 51a in the flow channel being smaller than the cross-sectional area of the inflow port 43a.
Inventors:
IMAI YASUHARU (JP)
Application Number:
PCT/JP2017/025519
Publication Date:
January 25, 2018
Filing Date:
July 13, 2017
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
B23B27/10
Domestic Patent References:
| WO2011154933A1 | 2011-12-15 | |||
| WO2016117461A1 | 2016-07-28 |
Foreign References:
| EP2946857A1 | 2015-11-25 | |||
| JPH09183002A | 1997-07-15 | |||
| JPH1076404A | 1998-03-24 | |||
| CN204430303U | 2015-07-01 | |||
| JP2013049106A | 2013-03-14 | |||
| JPH0631502A | 1994-02-08 |
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