Chipping unit of a forage harvester and counter cutting edge for a chopper aggregate

摘要

Chopping unit (10) of a forage harvester, having a chopper drum (11) carrying a chopper blade (15), having a counterblade holder (17) carrying a counterblade (16) for the chopper blades (15), an upper side (20) facing away from the counterblade holder (17) the counter cutting edge (16) provides a cutting edge (21) of the counter cutting edge (16), wherein the upper side (20) of the counter cutting edge (16) is contoured such that the upper side (20) of the counter cutting edge (16) is formed at least on one of the cutting drum (11 ) facing the upper side portion (26) in the axial direction of the chopper drum (11) seen in the contact area with the chopping knives continuously in the direction of the chopper drum (11) is inclined.