Manufacturing Line for Bridge U-Rib

The manufacturing of bridge U-ribs requires equipment capable of processing heavy-gauge steel with exceptional precision. The Manufacturing Line for Bridge U-Rib is engineered with robust components specifically designed for the demanding requirements of orthotropic steel bridge deck production.

1. Heavy-Duty Decoiler

The production process begins with a heavy-duty decoiler designed to handle the substantial weight and thickness of steel coils used in bridge U-rib manufacturing:

• High Capacity: Capable of handling coil weights up to 15-20 tons for extended production runs

• Material Thickness: Designed for steel thicknesses ranging from 6mm to 14mm (and beyond for specialized applications)

• Controlled Tension: Hydraulic or servo-controlled systems maintain consistent material tension throughout the feeding process

• Smooth Unwinding: Prevents material kinks or deformations that could affect final product quality

2. Plate Edge Milling (Optional)

For applications requiring precise weld preparation, an optional plate edge milling unit can be integrated:

• Edge Preparation: Creates precise beveled edges for welding U-ribs to deck plates

• Surface Finish: Ensures clean, burr-free edges for optimal weld quality

• Consistent Geometry: Maintains uniform edge preparation across the entire coil length

3. Roll Forming Section

The roll former is the core of the bridge U-rib production line, where the flat steel strip is gradually shaped into the U-shaped profile:

The progressive forming process ensures that the U-shaped profile is achieved without stressing the material, maintaining the structural integrity required for bridge applications.

4. Straightening Unit

After forming, the U-ribs pass through a straightening unit to ensure dimensional accuracy:

• Vertical Straightening: Corrects any vertical curvature in the formed profile

• Horizontal Straightening: Ensures lateral straightness for accurate welding to deck plates

• Torsion Control: Eliminates any twisting that could affect fit-up during bridge deck fabrication

5. Hydraulic Cutting System

After forming and straightening, the continuous profile must be cut to precise lengths:

• On-the-Fly Cutting: Synchronized with line speed to maintain continuous production

• Clean Cuts: Hydraulic shearing provides burr-free edges without distorting the U-shaped profile

• Length Accuracy: Precise length control typically within ±2mm for bridge project specifications

• Length Capacity: Capable of cutting lengths up to 24 meters or more for large-span bridges

6. Output Conveyor and Stacking

Finished U-ribs are collected and organized for further processing:

• Roller Conveyors: Support long, heavy U-ribs during output

• Automated Stacking: Optional stacking systems for efficient material handling

• Inspection Access: Organized output facilitates quality inspection of profile dimensions and surface condition

Technical Specifications Overview

Our rich experience in building bridge U-rib cold roll forming production lines ensures that each component is engineered for durability, precision, and reliable performance in demanding bridge construction projects.

Contact: Elise
Tel:+86-155 3281 7581
Email: elise@tgrfm.cn