作者: Fujiwara Satoshi , Komai Yasuhiro , Nakagawa Masaki
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摘要: A machine tool (10) comprises a holder (20) which can rotate integrally with spindle (16), ring-shaped elastic (24) having one end being bonded to the and other provided an open (24a) blade tools (22a, 22b) are attached, operation shaft member (26) projecting axially outward of movable in axial direction relative (20), transformation mechanism (28) is linked transforms moving thereof into enlarging/contracting radial direction, (30) moves direction.