Problem to be solved: to provide a cutting device excellent in safety and economical efficiency.The cutting device according to one embodiment isSupport mechanism to be fixed within the cutting objectSupport table supported by support mechanismFeed mechanism rotating with rotary tableFixed platform movable along feed mechanismA cutting blade placed on a fixed standFixed platformThe cutting blade is extruded to the cutting point of the cutting objectAfter thatA feed drive machine for carrying out a feed operation for pulling out a cutting blade from a cutting pointA rotary standA rotary drive for rotating the cutting blade pulled out from the cutting point by rotating a fixed stand in the circumferential direction and a rotary drivePrepare.Diagram
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