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Beiben Door Seal
Beiben Door Seal
2025-06-23
Beiben Right Door Body
Beiben Right Door Body
2025-06-23

Beiben Left Door Body

Beiben Left Door Body
Beiben Left Door Body
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What is the Beiben Left Door Body？

  • Beiben Left Door Body​
  • Engineered for heavy-duty reliability, seamless operation, and occupant protection, the Beiben Left Door Body is a precision-crafted assembly designed to withstand the rigors of commercial vehicle use. Anchored by the LEFT DOOR BODY ASSEMBLY (LEFT MOVING POWER), this system integrates robust Upper/Lower Hinge Assemblies, a durable Door Limiter Assembly, and high-strength fasteners—Bolts, Nuts, and Pins—to deliver superior structural integrity, corrosion resistance, and ease of maintenance.​
  • Core Structure: LEFT DOOR BODY ASSEMBLY​
  • The LEFT DOOR BODY ASSEMBLY (LEFT MOVING POWER) serves as the foundation, constructed from high-strength low-alloy (HSLA) steel (tensile strength ≥ 550 MPa) with a galvanized coating (ISO 1461-certified) for enhanced corrosion resistance. Its dual-layer design features an outer skin with aerodynamic contours and an inner reinforcement panel, reinforcing impact zones like the side window frame and door edge. The assembly includes pre-stamped mounting points for the Upper Hinge Assembly, Lower Hinge Assembly, and Door Limiter Assembly, ensuring precise alignment and load distribution.​
  • Hinge System: Upper & Lower Hinge Assemblies​
  • The Upper Hinge Assembly and Lower Hinge Assembly are forged from quenched and tempered steel (hardness ≥ 35 HRC), providing a combined load-bearing capacity of 200 kg to support the door’s weight and withstand repeated opening/closing cycles. Each hinge features a greased steel bushing with a Pin (diameter 12mm) that minimizes friction, enabling smooth operation with minimal noise (≤55 dB). The hinges are secured to the door body and cab frame using Bolts (grade 10.9, M10 x 40mm), torqued to 60–80 N·m, with lock washers to prevent vibration-induced loosening—critical for maintaining alignment in off-road conditions.​
  • Door Limiter Assembly: Controlled Movement & Safety​
  • The Door Limiter Assembly (zinc-plated steel construction) regulates door travel, restricting maximum opening to 90° to prevent overextension and damage to adjacent components. It features a gear-and-ratchet mechanism that engages at 30° and 60°, providing tactile feedback to the driver while absorbing impact forces during sudden stops (tested to 500 N of lateral force). The limiter is mounted to the door body with a Nut (M8, grade 10) and Bolt (grade 8.8), ensuring a rigid connection that withstands 100,000+ cycle fatigue testing without wear.​
  • Fastening System: Durability & Serviceability​
  • High-quality fasteners ensure long-term reliability:​
  • Bolts (stainless steel, M6–M10) secure inner panels, window regulators, and trim components, with countersunk heads to prevent snagging on clothing or equipment.​
  • Nuts (nylon-insert locknuts, DIN 985) provide vibration resistance, retaining 95% of clamping force after 20G acceleration testing (ISO 16750-3 compliant).​
  • Pins (case-hardened steel, surface hardness ≥ 55 HRC) in the hinge assemblies offer superior shear strength (≥8,000 N), outlasting standard rivets by 30% in high-use environments.​
  • Engineering Excellence for Performance​
  • The door body undergoes rigorous validation:​
  • Impact Resistance: Meets UN ECE R11 side impact standards, with the inner reinforcement panel reducing door intrusion by 40% during 50 km/h collisions.​
  • Corrosion Testing: Passes 1,000+ hours of salt-spray testing (ASTM B117), with no rust formation on hinges or fasteners, ideal for coastal or winter operations.​
  • Cycle Life: Successfully completes 200,000 door opening/closing cycles without hinge wear or limiter failure, ensuring a service life of 15+ years.​
  • Benefits for Commercial Fleets​
  • The Beiben Left Door Body delivers critical advantages:​
  • Safety Compliance: Reinforced structure and limiter system protect occupants during side impacts, meeting global regulatory requirements.​
  • Maintenance Efficiency: Modular hinge and limiter design allows quick replacement without door disassembly, reducing downtime by 40%.​
  • Operational Smoothness: Low-friction hinges and precision alignment ensure quiet, effortless operation, enhancing driver experience during daily use.​
  • Conclusion: Robust Door Solution for Heavy-Duty Vehicles​
  • The Beiben Left Door Body, integrating the LEFT DOOR BODY ASSEMBLY with durable Hinge Assemblies, a reliable Door Limiter, and high-strength fasteners, sets a standard for durability, safety, and performance in commercial vehicle design. It exemplifies the brand’s commitment to engineering solutions that withstand the harshest conditions while prioritizing driver convenience and occupant protection, making it the trusted choice for global fleets.

Product Parameters of Beiben Left Door Body

No. Part Number Part Name English  Quantity
1 500 720 03 05 LEFT DOOR BODY ASSEMBLY (LEFT MOVING POWER) 1
2 641 720 06 37 Upper Hinge Assembly 1
3 641 720 07 37 Lower Hinge Assembly 1
4 105789 008049 Bolt 6
5 105789 008049 Bolt 4
6 000 720 06 16 Door Limiter Assembly 1
7 106177 006003 Nut 2
8 100879 006701 Pin 1
 

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