When the furniture factory is producing cabinet, flat door or moulding door, there is often a need for opening, slotting, three-in-one, wooden pin hole, invisible piece hole, hinge hole, etc., different specifications and standard processing processes, the ordinary CNC woodworking machine or multi-process CNC machine cannot meet the demand for processing, especially during the moulding door panel, the office furniture production process, the shape is high. A panel may need to use 6-8 tools to process, in this case the automatic tool change machine is the best choice of furniture production enterprises.