Introduction
The Steering Wheel Spring Clock (technically referred to as a Spiral Cable or Rotary Connector) is the critical interface in modern vehicle dynamics, bridging the gap between the rotating steering column and the static electrical harness. At Jiaxing Richang Auto Parts, we engineer these devices to handle more than just basic connectivity; they are the lifeline for SRS Airbag deployment, steering angle sensors (SAS), and complex ADAS functionalities.
Established in 2012, our facility has scaled to a monthly production capacity of 2.8 million sets, supporting global automotive supply chains with high-precision Flat Flexible Cable (FFC) technology. Whether for passenger sedans or heavy-duty commercial trucks, our spring clocks ensure the seamless transmission of power and data for horns, cruise control, and multimedia systems.
Key Advantages
Certified Safety Protocols (SGMW GP10):
Unlike standard aftermarket parts, our safety standards are validated by our in-house laboratory, which achieved GP10 recognition from SAIC GM Wuling in July 2016. We utilize Japanese Kikusui insulation testers to guarantee 100% reliability in airbag circuit continuity, ensuring immediate deployment when it matters most.
Precision Engineering & Fitment:
We offer an extensive catalog of U-Type and Roller-Type structures compatible with over 20 vehicle makes. Our engineering capabilities range from simple 2-channel designs for basic utility vehicles to complex 26-channel hubs (e.g., for Dongfeng D600 series) that manage high-density data flow.
Verified Durability Cycles:
Longevity is quantified, not just promised. Our facility employs 4 specialized SRC Rotary Durability Testers alongside Three-Comprehensive Vibration Systems to simulate millions of steering cycles. This rigorous testing ensures our spring clocks withstand extreme wear, temperature shock, and salt spray corrosion.
Signal Clarity for Advanced Electronics:
To support modern ADAS and infotainment, we manufacture our FFCs internally using automated lamination machines. We employ CCD visual inspection systems to monitor conductor width and spacing in real-time, eliminating signal noise and impedance issues that could disrupt sensitive vehicle electronics.
Lifecycle Cost Reduction:
By controlling the entire value chain-from raw material punching to final assembly-under IATF 16949 quality management systems, we deliver OEM-grade reliability that minimizes warranty claims and reduces the total cost of ownership for fleet operators and distributors.
Applications
Our Steering Wheel Spring Clocks are trusted by leading OEMs across diverse sectors:
New Energy Vehicles (EVs)
High-spec solutions for brands like BYD, Neta (Hozon), and Aion, supporting features like regenerative braking controls and digital cockpits.
Passenger Vehicles
Mass-volume production for major manufacturers including SAIC GM Wuling, Chery, and Geely, ensuring consistent performance for airbags and audio controls.
Heavy Commercial & Specialty
Ruggedized Roller-Type connectors for Volvo, Renault, and Sany Heavy Industry, engineered to handle rotation angles up to ±4.8 turns for large steering ratios.
Light Commercial & Pickups
Durable fitments for work vehicles such as the JMC Ford Transit and Foton series.
Frequently Asked Questions (FAQ)
What is the core function of a Steering Wheel Spring Clock?
It serves as a flexible electrical bridge, maintaining a constant connection between the vehicle's chassis harness and the rotating steering wheel components (Airbag Squib, Horn, Cruise Control) without cable fatigue or breakage.
How do you validate the safety of your clock springs?
Safety is verified through our SGMW GP10 certified laboratory. We perform rigorous insulation resistance testing and 7Ω instantaneous interruption detection to ensure the airbag circuit remains active and stable under all driving conditions.
What are the signs that a clock spring needs replacement?
The most common symptom is the SRS/Airbag warning light on the dashboard. Other signs include the loss of horn function, non-responsive steering wheel buttons, or a scratching noise originating from the steering column during rotation.
Do you support custom channel configurations?
Yes. Our manufacturing lines are flexible, producing configurations ranging from 4 channels (e.g., for basic models like the Wuling Hongguang Mini) up to 18+ channels for feature-rich SUVs equipped with steering wheel heating and advanced driver assists.
What is the expected service life of your products?
Designed to meet OEM specifications, our spring clocks are tested to survive the operational lifespan of the vehicle. By using high-grade FFC materials and precise winding techniques, we ensure they withstand years of daily rotation and environmental exposure.
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