Abstract: Method for a safety and testing control for a press, including a hydraulic system with at least one hydraulic cylinder, operated by means of a hydraulic valve controlled by a programmable processing unit where a number of electrical signal inputs and outputs are provided and into which a software program is loaded, where a position sensor is provided that indicates the position of the hydraulic cylinder and where the software application works solely on the basis of an internal timer and the aforementioned position sensor can control the motion of the press as well as a hydraulic press working according to this method and using the software and carrier.

Abstract: Improved sheet-metal working machine comprising at least one manipulator for manipulating metal sheets (25), characterised in that the manipulator is provided with at least one stop surface (22-24) against which sheet-metals (25) which are manually supplied can be positioned.