it adopts plc system and automatic tracks model of curve(straight) line through the fiber optic probe,automatic profiles through diamond circular saws to cut stone with curve(straight)line and craft products,uses inverter to control up-down rising and left-right feeding.adjusts the speed according to the stone material. processing of arc-shaped lines can be done.high degree of automation,high precision cutting; using double-blades designing,with high cutting efficiency high stability,easy-operation to suit for lines,arc-shaped lines.