Safety for press, human and robot.

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The particular focus of the safety concept: the new interface between the robot and bending machine, as this poses a variety of risks for the people located there. Firstly, no operator should stand too close while the robot is loading; secondly, the safety concept must guarantee that operator and in particular finger protection is fully reliable when inserting, or when correcting a position by hand. And: the safety device or measure must not hinder the operators as they go about their activities. As both the bending machine and operating robot already had their own separate machine and safety controllers, this project required an integrated and efficient safety solution for this interface. Due to the extensive modularity and therefore flexibility of the myPNOZ, it was possible to achieve the specification of retaining the controller environment, while increasing the productivity and flexibility of the bending machine.

When the Swiss engineering company Peter Huber AG won the order to upgrade and convert the control and safety technology on manual-feed bending machines – to include an additional sheet metal feed via robot – alongside the requirements for economy, flexibility and efficiency there was also one key condition in the requirement specification: wherever possible, the envisaged solution should continue to use the existing controllers. As cooperation between human, robot and machine presents a complex challenge not only in control terms but also regarding safety, an innovative solution was sought. Peter Huber found it in the modular safety relay myPNOZ.

For more than 40 years the automation service provider Peter Huber AG, based in the Swiss town of Alpnach, has used its considerable expertise and experience to turn complex customer requirements – covering controllers, robotics, handling systems, data and control station systems, retrofits and optimisations – into successful and economical solutions that have proven their worth in practice. The innovative engineering company Peter Huber AG accompanies its customers from design through to final commissioning.

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