Title:
OFF-SET TOOL ATTACHMENT AND MACHINE TOOL
Document Type and Number:
Japanese Patent JP2015174199
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an off-set tool attachment which has indexing function, and therefore, can smoothly perform tap drilling in an interior part having a diameter larger than an inlet diameter of a hole of a work-piece.SOLUTION: An off-set tool attachment 10 includes a base body 20, a shank 15, an off-set holder 30, a transfer mechanism 40 and an indexing mechanism 50. The base body 20 is fixed to a spindle head 3, the shank 15 is connected to a spindle 2, the off-set holder 30 is rotatably supported on the base body 20, and the transfer mechanism 40 and the indexing mechanism 50 are provided on the off-set holder 30. The indexing mechanism 50 is so configured that the indexing mechanism can be changed between an indexing state and a processing state, and in the indexing state, performs indexing of a rotational position of the off-set holder 30 with respect to the base body 20.
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Inventors:
KATO KOICHI
IGUCHI TAKAHIRO
IGUCHI TAKAHIRO
Application Number:
JP2014053592A
Publication Date:
October 05, 2015
Filing Date:
March 17, 2014
Export Citation:
Assignee:
TOSHIBA MACHINE CO LTD
International Classes:
B23Q5/04; B23Q16/06
Domestic Patent References:
| JPH01153207A | 1989-06-15 | |||
| JP2014042945A | 2014-03-13 | |||
| JP2012179681A | 2012-09-20 |
Attorney, Agent or Firm:
Intellectual Property Office