Importance

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Abstract

A machine tool includes a moving device that moves a cutting tool with a linear cutting blade in a Y-direction, or in a combined direction of the Y-direction and a Z-direction, with an axis of a main spindle holding a workpiece, an X-direction determines an amount of cutting of the workpiece, and a holder that holds the cutting tool such that the orientation of the linear cutting blade is inclined with respect to the Z-direction when seen from the X-direction. The holder includes a first reference surface contacting with a first surface parallel with a linear cutting blade, of the side surfaces of the cutting tool and is parallel with the YZ-plane or a plane tangent to the peripheral surface of the workpiece and a second reference surface that is in contact with a second surface intersecting the first surface. The workpiece is cut while moving the linear cutting blade in the Y-direction or the combined direction.

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First Claim