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Patent Searching and Data


Title:
WIRE SAW
Document Type and Number:
WIPO Patent Application WO/2013/011854
Kind Code:
A1
Abstract:
The wire saw is provided with: multiple processing rollers (14A, 14B) across which a wire (11) for processing workpieces is installed and circles; and a pair of traversers (16A, 16B) that are each moved back and forth along directions that are parallel to the axis lines of a pair of bobbins (12A, 12B) and which guide the winding and unwinding of the wire (11). The wire (11) is made to travel back and forth following the reciprocating rotation of the processing rollers (14A, 14B) and the bobbins (12A, 12B). Cutting of a workpiece (W) is performed by the wire (11) at a position between the processing rollers (14A, 14B). During reversal of the direction of wire (11) travel, the angles of the wire (11) between the bobbins (12A, 12B) and the traversers (16A, 16B) with respect to the axis lines of the bobbins (12A, 12B) are detected. The movements of the traversers (16A, 16B) are adjusted and the positions of the traversers (16A, 16B) are corrected according to the detection results so that the angles of the wire (11) are set to be 90°.

Inventors:
SHIMAKI HIDEYUKI (JP)
HIMENO TAKAO (JP)
MATSUDA AKIHIRO (JP)
Application Number:
PCT/JP2012/067445
Publication Date:
January 24, 2013
Filing Date:
July 09, 2012
Export Citation:
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Assignee:
KOMATSU NTC LTD (JP)
SHIMAKI HIDEYUKI (JP)
HIMENO TAKAO (JP)
MATSUDA AKIHIRO (JP)
International Classes:
B24B27/06; B28D5/04; H01L21/304
Foreign References:
JP2010105061A2010-05-13
JP2004122287A2004-04-22
JPS61267663A1986-11-27
JP2005186202A2005-07-14
Attorney, Agent or Firm:
ONDA, Hironori et al. (JP)
Hironori Onda (JP)
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Claims: