Knife-ring chip remover

A knife-ring remover for chips that has a longitudinal axis, said knife ring remover comprising:

• a knife ring arranged in a stationary manner on a knife ring axis, said knife ring having a collar of knives and first and second bearing rings concentric to said longitudinal axis;
• a rotor having first and second spaced apart front walls and a plurality of blades disposed between said first and second front walls, said rotor being mounted in a rotatable manner on a rotor axis;
• a housing partly enclosing said knife ring, said housing having a rear wall, an essentially cylindrical sheath and a door disposed opposite said rear wall for driving out said rotor;
• a first abrasion sealing ring disposed in the region of said first bearing and said first front wall, said first abrasion sealing ring having an axial inner edge that lies in the same plane perpendicular to said knife ring axis as an axial inner edge of said first bearing ring, said first abrasion sealing ring being connected to said door;
• and
• a second abrasion sealing ring disposed in the region of said second bearing and said second front wall, said second abrasion sealing ring having an axial inner edge that lies in the same plane perpendicular to said knife ring axis as an axial inner edge of said second bearing ring, said second abrasion sealing ring being connected to said rear wall.