Comminuting arrangement has two comminuting rollers, which are driven in opposite directions and have a curved lateral surface in axial direction and are arranged in interlinked manner. Shaft flanks of the first comminuting roller (10) have concave sections (13) and shaft flanks of second comminuting roller (20) have convex sections (23). The shaft flanks of first and second comminuting roller have an additional straight section (12,14). An independent claim is included for the blade element for comminuting roller.
