Machining tool and machining method

Details Machining tool and machining method Machining tool and machining method

2006-02-08

2011-11-01

Ashley, Boyer D (Department: 3724)

Turning

Process of turning

C407S066000

Reexamination Certificate

active

08047105

ABSTRACT:
A machining tool of the present invention is used for finishing an end face having an arcuate cross section on a machined portion of a workpiece. A machining tool30has a tool body31and a cutting portion32provided integrally on a tip of the tool body31. The cutting portion32is formed in substantially semispherical shape, and has a substantially spherical flank33and a substantially flat rake35joined to the flank33via an arcuate cutting edge34. In the state that the cutting edge34abuts the arcuate end face of the rotated workpiece, the arcuate end face is finished using the machining tool30by varying the position of the cutting edge34abutting the arcuate end face in a circumferential direction.

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International Search Report for PCT/JP2006/302198.
Office Action issued in corresponding application No. JP 2007-557713 dated Sep. 7, 2010 and attached English translation (4 pages).

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