Double-Piece vs One-Piece Composite Beams: Structure, Process, and Applications

Double-Piece Composite Beam: Process and Advantages

• Manufacturing Process:
  1. Cold-roll forming or stamping produces two C-shaped steel sections.
  2.The two C-sections are placed face-to-face (open sides opposing) to form a near-closed box structure.
  3.Continuous welding along the seams creates a unified beam.
• Advantages:
  - Mature process, widely used in the industry.
  - Strong load-bearing capacity due to welded box structure.
  - Flexible assembly, adaptable to different specifications.

One-Piece Composite Beam: Process and Advantages

• Manufacturing Process:
  4. Produced directly by cold-roll forming equipment in a single step.
  5. No need for assembly or welding, resulting in stronger structural integrity.
• Advantages:
  - One-step forming, high production efficiency.
  - High dimensional precision, faster installation, fewer adjustments.
  - No weld fatigue, more durable for long-term use.
  - Ideal for modern automated and standardized warehouse systems.

Comparison Table

Applications

- Automated Warehouses: One-piece beams provide stability for high-speed stacker crane operations.
- Cold-Chain Logistics: Seamless structure resists cracking in low-temperature environments.
- E-Commerce Fulfillment Centers: Mass production of standardized beams supports rapid warehouse expansion.
- Traditional Construction and Warehousing: Double-piece beams remain a reliable choice for heavy-duty racks and construction beams.
 

Conclusion

Both double-piece and one-piece composite beams have unique strengths. Double-piece beams, formed by assembly and welding, are mature and reliable for heavy-duty applications. One-piece beams, formed in a single step, deliver efficiency, precision, and durability, aligning with the needs of modern automated and standardized warehousing. Together, they provide comprehensive and dependable solutions for logistics and construction industries.