Material flow altering device for deep drawing of workpiece has holding element exerting clamping pressure which can be varied

摘要

The material flow altering device operates in the edge region of a workpiece (13) being subjected to deep drawing using a punch and a clamping device (14) with lower and upper edge holding devices (30, 31). The lower one and/or the upper one has at least one holding element (21) exerting a variable clamping pressure.