Title:
CUTTING TOOL REST AND MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2021/084885
Kind Code:
A1
Abstract:
A cutting tool rest (31) is equipped with a first tool holder (121A) for holding a rotating tool, a second tool holder for holding a fixed tool, and a plurality of holder-mounting parts (50) configured in a manner such that any holder among the first tool holder (121A) and second tool holder may be selectively mounted thereto. The first tool holder (121A) and the second tool holder each have a clamping mechanism part (131). The holder-mounting parts (50) each have a hydraulic cylinder mechanism part (51) that, as a result of hydraulic pressure being supplied thereto, operates the clamping mechanism part (131) so as to be in a clamped state of clamping a tool or in an unclamped state of unclamping the tool.
Inventors:
KURIYA TATSUHIKO (JP)
HIKITA ISAO (JP)
MIZUKOSHI KENICHI (JP)
HIKITA ISAO (JP)
MIZUKOSHI KENICHI (JP)
Application Number:
PCT/JP2020/032838
Publication Date:
May 06, 2021
Filing Date:
August 31, 2020
Export Citation:
Assignee:
DMG MORI CO LTD (JP)
International Classes:
B23B21/00; B23B29/24; B23Q3/155; B23Q11/00
Domestic Patent References:
| WO2017013738A1 | 2017-01-26 |
Foreign References:
| JPH042728Y2 | 1992-01-30 | |||
| JP2004074360A | 2004-03-11 | |||
| JPH0715208U | 1995-03-14 | |||
| JP2019123063A | 2019-07-25 | |||
| JP2008080416A | 2008-04-10 | |||
| JP2010234479A | 2010-10-21 | |||
| JPS57102702A | 1982-06-25 | |||
| FR2521888A1 | 1983-08-26 | |||
| JPH03228506A | 1991-10-09 | |||
| JPH08309638A | 1996-11-26 | |||
| JPS58149151A | 1983-09-05 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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