Disc cutter machine, in particular for cutting sugar beet

Disc cutter machine, in particular for cutting of sugar beet, comprising a machine frame, a disc cutter having a flat upper surface and having uniformly distributed passages extending longitudinally and in the radial direction, for the cut product, comprising blade receivers arranged in the region of the passages and a bearing and drive for the disc cutter, wherein the blade receivers are mounted on the upper surface of the disc cutter and the disc cutter is comprised of inclined ribs extending radially and at a uniform mutual spacing to define said passages in the region of the blade receivers wherein the inclined ribs are connected in the region of their inner ends facing the disc cutter axis to the hub ring and in the region of their outer ends to a peripheral ring of the disc cutter, and wherein the height of the ribs increases towards the disc cutter axis.