TAPPING MACHINE

摘要

A tapping machine has a plurality of punches for punching a plate-shaped workpiece and extruding or plunging the punched holes and a plurality of tapping units for carrying out the tapping operation continuously in the tapping machine. A free positional workpiece transfer-and-position device is provided which moves the plate-shaped workpiece in the longitudinal and transverse directions of the work area of the machine. The plurality of punches are provided in the direction transverse to the longitudinal direction of the machine. First operating means provide an operating force for the tapping units and second operating means provide an operating force for the punches.