Title:
TOOL HOLDER AND MACHINING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/020303
Kind Code:
A1
Abstract:
A tool holder (100) comprising: an outside section (10) connected and fixed to a main shaft housing; a rotation input section (20) that is gripped by the main shaft and caused to rotate at a first rotation speed r1; a rotation output section (40) that has the rotational force from the rotation input section (20) transmitted thereto and rotates at a second rotation speed r2 that is different from the first rotation speed r1; a slider (60) that is moved in a first direction that intersects the rotational axis (Os) of the main shaft, as a result of the force from the rotation output section (40); a cutting blade (70) that is moved in the first direction by the slider (60) and is rotated by the rotation input section (20); and a detection mechanism (90) for detecting that the cutting blade (70) is at the origin position.
Inventors:
MAEDA JUNICHI (JP)
SUGASAKI TAKAAKI (JP)
SUGASAKI TAKAAKI (JP)
Application Number:
PCT/JP2020/028560
Publication Date:
February 04, 2021
Filing Date:
July 22, 2020
Export Citation:
Assignee:
MAKINO MILLING MACHINE (JP)
International Classes:
B23B29/034; B23B27/00; B23B39/00; B23B49/00; B23Q3/12; B23Q17/22
Foreign References:
| JP2010082755A | 2010-04-15 | |||
| JP2003512188A | 2003-04-02 | |||
| US6367359B1 | 2002-04-09 | |||
| JPS6451211A | 1989-02-27 | |||
| JPS61249249A | 1986-11-06 | |||
| US4577535A | 1986-03-25 | |||
| JPH0691484A | 1994-04-05 | |||
| JPH02274406A | 1990-11-08 |
Other References:
See also references of EP 4005712A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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