Praber Group is furthermore an Italian manufacturer of knuckle joint presses or more generally toggle presses. They are very heavy and powerful mechanical presses with relatively short stroke length, whose slide is driven directly by a single knuckle joint. The typical motion diagram matches to minimum speed, around the bottom dead centre, both before and after, ensuring in this manner the material to flow plastically into the die. Praber Group offers a wide range of tonnage systems and is really suitable for forging, minting, end-trimming, flattening and embossing operations.

Eventually Praber Group is able to customize the motion diagrams according to the pieces and the material to be processed.