Bending with Hydroforming – an Alternative to Bending with Mandrel

This contribution will give an overview of the process Bending with Hydroforming (BWH) with the positive and negative sides linked to this methodology. Short cycle times, good repeatability, cost-efficient manufacturing and bending of thin-walled tubes with bending ratio smaller than 0.8 is possible using BWH. On the negative side we have limited flexibility and limited tuning possibilities in comparison to classic bending with mandrel, and therefore also narrower process possibilities.