Title:
HEAD REPLACEABLE CUTTING TOOL, CUTTING HEAD, AND TOOL BODY
Document Type and Number:
WIPO Patent Application WO/2021/029209
Kind Code:
A1
Abstract:
This head replaceable cutting tool comprises: a shaft-like tool body (1) which is rotated around an axis line (O) in a tool rotation direction (T); and a cutting head (11) provided with a cutting edge (12) and detachably attached to a front end of the tool body (1). The tool body (1) and the cutting head (11) are attached to each other with a body-side abutting surface (5) on a front end surface of the tool body (1) abutting against and closely attached to a head-side abutting surface (17) on a rear end surface of the cutting head (11). A recess (16) and a protrusion (4) insertable into the recess (16) are formed on the rear end surface of the cutting head (11) and the front end surface of the tool body (1), respectively. The recess (16) and the protrusion (4) are formed to become wider in a circumferential direction toward a radially outer peripheral side with respect to the axis line (O).
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Inventors:
INAGAKI FUMIHIKO (JP)
TANAKA SO (JP)
TANAKA SO (JP)
Application Number:
PCT/JP2020/028681
Publication Date:
February 18, 2021
Filing Date:
July 27, 2020
Export Citation:
Assignee:
MOLDINO TOOL ENGINEERING LTD (JP)
International Classes:
B23C5/00; B23B51/00; B23C5/10
Domestic Patent References:
| WO2002005990A1 | 2002-01-24 | |||
| WO2016203521A1 | 2016-12-22 |
Foreign References:
| JP2012179685A | 2012-09-20 | |||
| JP2011136415A | 2011-07-14 | |||
| JP2016508889A | 2016-03-24 | |||
| JP2019147893A | 2019-09-05 | |||
| JP2007167977A | 2007-07-05 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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