Plate holder for perforation press and method for moving plate holder

Perforating press for perforating sheet material comprising a feeding device for feeding sheet material in a first direction;

• a punch holder, wherein the punch holder comprises a first row of punches and a second row of punches, wherein the first row of punches and the second row of punches extend in a second direction transverse to the first direction, and wherein the first row of punches and the second row of punches each comprise at least two punches;
• a transmission shaft for moving the punch holder in a stroke direction, transverse to the first direction and transverse to the second direction, wherein a set of slides is positioned between each row of punches, comprised in the punch holder, and the transmission shaft, wherein each set of slides comprises two slides, wherein each slide of each set of slides is beam-shaped and extends according to the second direction, wherein each slide comprises on a first side a sawtooth profile at least partially continuous according to the second direction, wherein the two slides of each set of slides are positioned with their sawtooth profiles slidably engaged with respect to each other according to the second direction;
• and a discharge means for discharging perforated sheet material, wherein the punch holder comprises a third row of punches and a fourth row of punches, wherein the third row of punches and the fourth row of punches extend in the second direction, and wherein the third row of punches and the fourth row of punches each comprise at least two punches, and wherein the slides of each set of slides related to any one row of punches are slidable between at least three positions relative to each other independently from the slides of each other set of slides related to any other row of punches.