STONE CUTTING APPARATUS

A stone cutting device is disclosed. A stone cutting device according to an aspect of the present invention is a cutting device provided to cut a workpiece by swinging a plurality of cutting tools at a predetermined angle， wherein the cutting tool includes a blade extending in the longitudinal direction of the workpiece and an end of the blade It is provided to protrude in the width direction to at least one cutting tip to reciprocate by a swinging motion to cut the workpiece; includes， and combines the plurality of cutting tools to move reciprocally， individually adjusting the tension to each cutting tool It includes; a frame portion provided to include， and the frame portion includes an actuator for imparting tension so that a load of 8 to 27 tons acts on the cutting tool.