Video Showcase
Dual Pinion Electric Power Steering: Precision Control for Modern Vehicles
Core Design: Dual Pinion Technology Explained
Two-Pinion Architecture
Input Pinion: Directly connects to the steering wheel, transmitting driver torque with 0.1° angular precision for natural feedback.
Assist Pinion: Driven by a high-efficiency brushless motor, providing adaptive power assistance based on speed, load, and road conditions.
Independent Ratio Adjustment: Fine-tune input (driver effort) and assist (motor torque) gear ratios separately-ideal for balancing low-speed maneuverability (e.g., parking) and high-speed stability (e.g., highway cruising).
Key Components
Brushless Motor: Delivers 12–15N·m peak torque with 92% energy efficiency, reducing battery drain in electric and hybrid vehicles.
ECU Control Unit: Processes 20+ sensor inputs (steering angle, vehicle speed, torque demand) to adjust assist force in real time (50ms response time).
Product Parameters
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Max Rack Force: |
9-13KN |
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Type of Electric Motor: |
Brushless Electric Motor |
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Rated Voltage: |
12V |
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Rated Power of Electric Motor: |
550W/700W |
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Current: |
70A/80A |
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Rated Torque of Electric Motor: |
4.5Nm@1200rpm/5.5Nm@1200rpm |
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Max Rotating Speed: |
4000rpm |
Performance Advantages for Safer, Smoother Driving
Precise Steering Control
Low-Speed Agility: Light assist (3–5N·m) for effortless parking, reducing driver fatigue in urban stop-start traffic.
High-Speed Stability: Firm feedback (8–12N·m) at speeds >80km/h, enhancing lane-keeping confidence and reducing steering corrections.
Active Return Assist: Automatically centers the wheel after turns with 95% accuracy, improving post-cornering recovery.
Energy Efficiency
Selective Assist Activation: Motor only engages when needed, cutting power consumption by 30% compared to hydraulic systems.
Regenerative Braking Compatibility: Works seamlessly with EV powertrains, optimizing energy use during deceleration.
Durability & Reliability
IP67 Protection: Dust-tight and water-resistant (1m submersion), ensuring operation in harsh weather (e.g., heavy rain, dusty roads).
10,000-Hour Lifespan: Rigorous testing includes 10 million cycle fatigue tests and -40°C to +85°C thermal validation.
Versatile Applications Across Vehicle Types
Passenger Cars
Compact & Mid-Size Vehicles: Enhances maneuverability in tight spaces (e.g., city cars like Toyota Corolla, VW Golf).
Luxury Models: Customizable steering feel (comfort/sport modes) via ECU calibration, aligning with brand-specific driving dynamics.
Light Commercial Vehicles
Vans & Small Trucks: High-torque assist (15N·m peak) supports heavier loads, ensuring consistent steering precision for delivery fleets.
Electric LCVs: Low-power design extends battery range by 5–8%, critical for last-mile logistics.
Engineering Excellence: Why Choose Our System
Advanced Manufacturing
CNC Machined Gears: Helical pinions with 0.005mm tolerance reduce noise (≤65dB) and backlash, delivering smooth operation.
Integrated PowerPack: Motor and ECU combined in a compact unit (30% smaller than modular systems), simplifying OEM installation.
Elevate Steering Performance with Dual Pinion Precision
Our dual pinion electric power steering system empowers vehicles with adaptive control, energy efficiency, and durable performance-engineered to meet the evolving needs of modern mobility. Whether enhancing a compact car's agility or a commercial van's load-handling capability, this system delivers a safer, more intuitive driving experience.
Contact us today to explore how our steering solution can optimize your vehicles' handling and efficiency-built for precision, trusted for reliability.
