TAPPING AND LASER BEAM MACHINING METHOD, WORKPIECE SUPPORTING DEVICE, AND COMPOUND MACHINE

PROBLEM TO BE SOLVED: To provide a machining method capable of avoiding interference of a skid and a tap and performing tapping machining, and to provide a workpiece supporting device and a compound machine.SOLUTION: The machining method for performing machining for workpieces with the compound machine provided with a laser beam machining head and a tapping machining head at upward positions of a workpiece support table provided with skid rows of a plurality of the skids supporting plate-like workpieces at proper intervals, previously performs tapping machining of tapping machining positions where the skid row and positions are shifted rather than the tapping machining positions where the skid row and the tapping machining positions are matched, then, horizontally shifts the workpiece to a direction orthogonal to the skid row in order to shift the tapping machining positions matched with the skid row from the skid row, performs tapping machining of the tapping machining positions shifted from the skid row, and then, performs laser beam machining for separating products from the workpieces.