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Beiben Lower Rear Enclosure Assembly
Beiben Lower Rear Enclosure Assembly
2025-06-22
Beiben Top Cover Panel Assembly
Beiben Top Cover Panel Assembly
2025-06-22

Beiben Rear Enclosure And Roof, Side Enclosure

Beiben Rear Enclosure And Roof, Side Enclosure
Beiben Rear Enclosure And Roof, Side Enclosure
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What is the Beiben Rear Enclosure And Roof, Side Enclosure？

  • Beiben Rear Enclosure And Roof, Side Enclosure​
  • Engineered to deliver unmatched structural rigidity, crashworthiness, and aerodynamic efficiency, the Beiben Rear Enclosure, Roof, and Side Enclosure system forms the backbone of commercial vehicle cabs. Central to its design are the Top Rear Crossmember Center Beam, Top Rear Crossmember Left Beam, Top Rear Crossmember Right Beam, and precision-engineered Brackets, working in unison to create a unified protective framework for occupants and critical components.​
  • Core Structural Framework: Top Rear Crossmember Beams​
  • The Top Rear Crossmember Center Beam serves as the assembly’s central spinal structure, constructed from high-strength boron steel (tensile strength ≥ 1,500 MPa) via hot-stamping technology. Flanked by the Top Rear Crossmember Left and Right Beams (each 3mm-thick HSLA steel with galvanized coatings), these components form a triangular reinforcement network across the roof-rear enclosure junction. This design distributes vertical and lateral loads evenly, reducing torsional stress by 40% compared to conventional single-beam structures. The center beam features pre-drilled mounting points for roof-mounted air conditioning units or cargo racks, while the left/right beams align with side enclosure pillars to enhance corner impact resistance.​
  • Bracket Integration for Seamless Connectivity​
  • Strategically placed Brackets (stainless steel or aluminum alloy) connect the crossmember beams to the side enclosures and rear panel, ensuring a rigid, watertight bond:​
  • Roof-Side Bracket: L-shaped brackets secure the top rear crossmembers to the side enclosure’s A- and C-pillars, featuring rubber-isolated mounts to dampen vibrations and reduce NVH (noise, vibration, harshness).​
  • Rear Enclosure Bracket: T-shaped brackets anchor the crossmember beams to the rear panel’s upper frame, with reinforced gussets that improve resistance to rear-end collisions (tested to 50 kN of impact force).​
  • Component Mount Bracket: U-shaped brackets along the beams provide adjustable mounting for wiring harnesses, emergency lights, or aerodynamic fairings, with slot designs that facilitate quick installation and alignment.​
  • Each bracket is precision-welded (MIG welding, ISO 15614-1 compliant) or bolted (grade 10.9 fasteners) to ensure a load-bearing capacity of 2,000+ N, with salt-spray tested coatings that resist corrosion for 1,000+ hours.​
  • Engineering Excellence for Durability & Safety​
  • The assembly undergoes rigorous validation to meet global standards:​
  • Crash Testing: Meets UN ECE R29 for rollover protection, with crossmember beams reducing roof deformation by 55% during simulated rollover events.​
  • Fatigue Testing: Cycled 200,000+ times at 150% of rated load, showing no signs of weld fatigue or material degradation in brackets or beams.​
  • Aerodynamic Design: Smooth beam contours and bracket integration reduce drag by 18%, enhancing fuel efficiency for long-haul operations.​
  • Performance Benefits for Fleet Operations​
  • This system delivers critical advantages for commercial vehicles:​
  • Structural Integrity: The triple-beam crossmember design creates a high-strength roof-rear enclosure junction, ideal for heavy-duty applications like truck cabs or industrial machinery cabins.​
  • Modular Maintenance: Replaceable Brackets and beam sections simplify repairs, reducing downtime by 30% compared to monolithic structures.​
  • Regulatory Compliance: Exceeds EU ECE R17 for occupant protection and ISO 12944 for corrosion resistance, ensuring global market readiness.​
  • Conclusion: Reinforced Protection for Heavy-Duty Cabs​
  • The Beiben Rear Enclosure, Roof, and Side Enclosure system sets a benchmark for structural excellence in commercial vehicle design. By integrating high-strength Top Rear Crossmember Beams with precision Brackets, Beiben ensures this assembly delivers uncompromising rigidity, safety, and durability, even in the most extreme environments. It exemplifies the brand’s commitment to engineering innovation, providing a trusted solution for fleets that demand peak performance and occupant protection.​

Product Parameters of Beiben Rear Enclosure And Roof, Side Enclosure

No. Part Number Part Name English  Quantity
1 398 642 00 02 Top Rear Crossmember Center Beam 1
2 398 642 01 02 Top Rear Crossmember Left Beam 1
3 398 642 02 02 Top Rear Crossmember Right Beam 1
4 398 642 00 09 Brackets 2

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