Abstract: When a jig to be used at the time of cutting and machining a workpiece W with a laser beam machine 1 is produced, a shape of a workpiece supporting portion 23a for supporting the workpiece by abutting on the workpiece at the time of supporting the workpiece is produced from drawing data CD showing the three dimensional shape of the workpiece.

Abstract: A parts classification unit 15 displays parts 70 and a palletizing robot 20 so as to compute the absorbing position of the palletizing robot 20 with respect to the parts 70 displayed as part.robot information BRJ by the instruction of an operator. The moving.positioning instruction FRn of the robot 20 between the classification head 5 and the pallet 10 is composed on the basis of the parts.robot information BRJ, sheet nesting information SNJ showing location state of the parts in the classification head and pallet nesting information PNJ showing location state of the parts on the pallet 10. By this structure, the time of machining and classification is made shortened without teaching.

Abstract: When a jig to be used at the time of cutting and machining a workpiece W with a laser beam machine 1 is produced, a shape of a workpiece supporting portion 23a for supporting the workpiece by abutting on the workpiece at the time of supporting the workpiece is produced from drawing data CD showing the three dimensional shape of the workpiece, two or more jig parts 25 having a shape corresponding to the shape of the workpiece supporting portion are cut out of a material sheet 27 on the basis of the shape of the workpiece supporting portion produced, the two or more jig parts cut out are assembled so as to produce a jig assembly 23 having the shape corresponding to the workpiece supporting portion.

Abstract: The program memory 23 for storing the machining program MPR1 which instructs to carry the raw material workpiece 29 with the workpiece carrying robot 7 and to machine with the laser beam machine 3, and the classification program TPR1 which instructs to classify and carry the machined raw material workpiece to each classification rack 10, corresponding to each raw material workpiece, is provided. On the basis of the machining instruction from the input portion 17, the machining program MPR1 and the classification program TPR1 corresponding to the raw material workpiece, on which machining is instructed, are read out of the program memory 23. The machining portions 2, 3, 5 are instructed to machine on the basis of the read machining program, and the classification portions 9, 13, 15 are instructed to classify on the basis of the read classification program TPR1.

Abstract: Various kinds of raw workpieces are stocked in a stocker. A predetermined kind of the workpiece is selected from the stocker with a lifter so as to move to a loading station. The workpiece is held with a vacuum pad of a loader of a workpiece carrying unit. The workpiece carrying unit is moved to a position adajacent to a laser processing machine so as to make the workpiece carrying unit stood by at the position. When machining finishes in the laser processing machine, a supporting unit like a comb of an unloader of the workpiece carrying unit is inserted below the machined workpiece, put on the table of the laser processing machine. The supporting unit is lifted up so as to pick the workpiece up out of the table. The raw workpiece is immediately put on the table with the loader. The workpiece carrying unit is moved to the unloading station. The machined workpiece is put on rollers of the unloading station with the unloader. The rollers are moved so as to drop the machined workpiece on the pallet.