Title:
OUTER DIAMETER BORING TOOL AND MACHINE TOOL
Document Type and Number:
Japanese Patent JP2019209447
Kind Code:
A
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:
HIDETA MORIHIRO
SHIMODA NAOFUMI
SHIMODA NAOFUMI
Application Number:
JP2018109388A
Publication Date:
December 12, 2019
Filing Date:
June 07, 2018
Export Citation:
Assignee:
DMG MORI SEIKI CO LTD
International Classes:
B23B3/24; B23B5/12; B23B23/00; B23B29/16; B23Q11/10
Domestic Patent References:
| JPS62150001U | 1987-09-22 | |||
| JPS6446101U | 1989-03-22 | |||
| JPH0375902U | 1991-07-30 | |||
| JPH0911135A | 1997-01-14 | |||
| JPS60100147U | 1985-07-08 | |||
| JPH04106159U | 1992-09-11 |
Foreign References:
| WO2013008768A1 | 2013-01-17 |
Attorney, Agent or Firm:
Fukami patent office