Method for operating a bending machine

[0028] As an introduction, it should be noted that in different described embodiments, the same parts have the same reference numerals or the same component names, wherein the disclosure contained in the entire specification can be referred to by reference to the same drawings. Mark or the same part of the same part name. Furthermore, selected position indications such as top, bottom, side, etc. in the description relate to the directly described and depicted figures, and in the event of a position change, these position indications shall be transferred mutatis mutandis to the new position.

[0029] figure 1 A press brake 1 is shown as an example of a manufacturing plant or workpiece handling machine. The press brake 1 has a lower pressing beam 2 and an upper pressing beam 3 in a known manner. The two pressure beams 2, 3 are held by a frame 4 on which the lower pressure beam 2 is fixed (ie, stationary). The fixed hold-down beam 2 is therefore often also referred to as a table