Full-rotary vintorulevy columns with Z-shaped transfer

nbsp;The full-rotary vinto-steering columns established in the vessel case. All types of vinto-steering columns with Z-shaped transfer of the ZF HRP 3000, 4000 and 5000 series have models with screws of opposite rotation. Advantage of such scheme in comparison with the single screw is the increased emphasis with an equal diameter, or an equal emphasis with a smaller diameter, and also smaller noise level owing to smaller loads of the screw blade.