Device for fastening punching tools to a punching drum

摘要

Device for fastening one or more punching tools to a punching drum of a punching machine. Two clamping rings are available for one group of punching tools in the same peripheral region in each case and can in each case be pressed over one edge of the punching tools. On the edge of the tool and/or on the clamping ring there are situated inclined surfaces which cause the punching tool to be pressed against the punching drum.