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Title:
外径ボーリング工具および工作機械
Document Type and Number:
Japanese Patent JP6701267
Kind Code:
B2
Abstract:
To provide an outer diameter boring tool which inhibits occurence of chattering vibration, and to provide a machine tool including such an outer diameter boring tool.SOLUTION: An outer diameter boring tool includes: a tool body 21 which includes a cylindrical part 22 having a cylindrical shape formed with a center axis 101 set to its center, and a blade part 23 provided at the tip side of the cylindrical part 22 and is rotated around the center axis 101; and a moving member 41 including a pressure receiving part 42 which is disposed at an interior of the cylindrical part 22 and receives pressure of cutting oil from the base end side of the cylindrical part 22 and a center pin 43 which extends from the pressure receiving part 42 to the tip side of the cylindrical part 22 along an axis of the center axis 101 and forms a taper shape at its tip 44, the moving member 41 being configured to be movable in an axial direction of the center axis 101.SELECTED DRAWING: Figure 5

Inventors:
Morihiro Hideta
Naofumi Shimoda
Application Number:
JP2018109388A
Publication Date:
May 27, 2020
Filing Date:
June 07, 2018
Export Citation:
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Assignee:
dmg Mori Seiki Co., Ltd.
International Classes:
B23B3/24; B23B5/12; B23B23/00; B23B29/16; B23Q11/10
Domestic Patent References:
JP62150001U
JP64046101U
JP3075902U
JP9011135A
JP60100147U
JP4106159U
Foreign References:
WO2013008768A1
Attorney, Agent or Firm:
Fukami patent office