CHAMFERING MACHINE FOR PROVIDING OPTIMAL OPERATION CONDITION DURING OPERATION OF CUTTING SURFACE OF CIRCULAR MATERIAL AND SURFACE CUTTING METHOD

WIPO Patent Application WO/2014/081143

A1

Disclosed is a chamfering machine which enables a smooth cutting operation by allowing a workpiece to be fixed to a position corresponding to an optimal cutting condition during the operation of cutting the surface of a tubular material or bar material and which can also maximally prevent defect machining due to a primitive defect of a workpiece. The chamfering machine according to the present invention comprises a cutting position groove, which is formed in the bottom surface of an upper guide, and into which a part of the outer circumferential surface of a workpiece is inserted, wherein the central part of the cutting position groove is formed to correspond to the cutting end of a chamfering cutter. In addition, the machining method according to the present invention is configured such that the chamfering cutter enters perpendicular to a centerline direction of a circular material and, after entering while cutting, to a point where the cutting end of a cutting tip is in line with the centerline, rotates a tubular material or revolves the chamfering cutter around the tubular material and thus can cut the surface of the circular material.

CHOI INSUNG (KR)

PCT/KR2013/010058

May 30, 2014

November 07, 2013

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DCSENG CO LTD (KR)

B23D21/00; B23C1/20; B24B23/00

JPH0197814U	1989-06-29
US20080014035A1	2008-01-17
US8297157B1	2012-10-30
KR20050012867A	2005-02-02
KR200386898Y1	2005-06-16

See also references of EP 2829342A4
None

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