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Patent Searching and Data


Title:
BORING TOOL AND BORING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/001838
Kind Code:
A1
Abstract:
Provided is an art capable of accurately cutting the inner peripheral surfaces of through-holes formed in a workpiece. A boring tool (1) for boring a workpiece (W) having coaxially arranged through-holes is provided with: a shaft member (11) which is rotated and driven by a machine tool; a first cutting edge (12) which cuts the inner peripheral surfaces of the through-holes; a first guide (13) which slides on the inner peripheral surfaces of the through-holes having been cut by the first cutting edge (12); a second cutting edge (14) which cuts the inner peripheral surfaces of the through-holes having been cut by the first cutting edge (12); and a second guide (15) which slides on the inner peripheral surfaces of the through-holes having been cut by the second cutting edge (14). During the cutting of the through-holes by the second cutting edge (14), the first guide (13) slides on the inner peripheral surface of at least one through-hole having been cut by the first cutting edge (12), and during the cutting of the through-holes by the second cutting edge (14), the second guide (15) slides on the inner peripheral surface of at least one through-hole having been cut by the second cutting edge (14).

Inventors:
TERANISHI TAKASHI (JP)
Application Number:
PCT/JP2014/061836
Publication Date:
January 08, 2015
Filing Date:
April 28, 2014
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
International Classes:
B23B29/02; B23B41/00; B23B41/12; B23B49/00
Foreign References:
JPS5531549U1980-02-29
JPH0493105A1992-03-25
JP2001525733A2001-12-11
US6287057B12001-09-11
JP2006305641A2006-11-09
JP2012030344A2012-02-16
JPH0852616A1996-02-27
Attorney, Agent or Firm:
YANO Juichiro (JP)
Juichiro Yano (JP)
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