To provide a machine tool capable of easily cutting, without using a ruler, sheets successively laid over a surface of a base material for a floor via adhesives, over both the sheets in accordance with a seam of a straight line or a curved line.
A grooving cutter for a sheet comprises: a front part 3; an intermediate part 4; and a rear part 5. A distal end portion of the front part is formed circular or elliptical. The front part includes a guide roller 6, in the front end portion thereof, with a thin rotary plate which moves in between seams of sheets and guides the cutter in accordance with the seams when the cutter is pushed forward. At the back of the guide roller, at least one blade that grooves a seam portion of the sheets in a recessed shape is provided in a freely removable manner. The rear part includes a stabilizing member which is not rotated, for stabilizing a moving direction of a machine tool by moving into the groove provided by the blade.
IIMORI IKUMI
Nakamura Narumi
Iwasakizaki Ario