SKF's ADD Series steering units with variable steering feel include by-wire technology which provides programmable steering functionality and zero maintenance, requiring no adjustment or relubrication during the unit's expected lifespan.
- By-wire technology eliminates need for hydraulic hoses, creating a more compact unit which may lead to ergonomic design improvements and easier assembly, and thus higher productivity and profitability
- Stub shaft enables mounting to the steering wheel
- Includes two independent non-contact rotary absolute position sensors and two independent CAN interfaces
- Primary sensor provides angle of steering wheel via primary CANbus circuit, and controls steering feel by varying current to the electro-magnetic brake
- Secondary sensor acts as backup for emergency control
- Features electro-magnetic brake and SKF roller bearings
- Corrosion-resistant housing ensures durability in harsh operating conditions
- Detects position of steering wheel and provides programmable steering feel and end stops
- Integrated electro-magnetic brake offers realistic feedback to operator by changing the torque resistance to the steering wheel
- Feedback is controlled by the vehicle controller via CANbus or by the steering unit's microprocessor
- Brake simulates end-stops to keep steering wheel from turning when the actual end-stop position of the steered wheels is reached, and is released as soon as steering wheel is moved in opposite direction
- End-stop positions are programmable, unlike mechanical or hydraulic steering systems which have fixed end-stops
- Steering ratio can be programmed to vary with vehicle speed or other operating parameters
- Can be integrated into either electro-mechanical or electro-hydraulic steering systems
- Made to survive harsh conditions of off-road vehicles including forklift trucks, agricultural, mining, construction and forestry equipment
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