Equipment Classification:
By Product Type:
C-Shaped Keel Forming Machine
U-Shaped (Trough-Shaped) Keel Forming Machine
L-Shaped/Angled Keel Forming Machine
Specialized Machines for Other Special-Shaped Keels (such as V-Shaped, T-Shaped, and Cassette-Shaped Keels)
Multi-Function Keel Machine: A variety of keel types can be produced by replacing the roller assembly.
By Drive Method:
Mechanical Transmission: Traditional, relatively simple structure.
Hydraulic Drive: High power, suitable for thick materials or large cross-sections.
Servo Drive: High precision, fast response, and flexible control, making it the mainstream of high-end equipment.
By Structure:
Through-Shaft Type: All forming frames are driven in series via a long drive shaft, resulting in a compact structure and excellent rigidity.
Split/Segmented Type: Each frame is independently driven (especially servo-driven), offering extreme flexibility and easy roller gap adjustment.
By Level of Automation:
Basic Type (requires manual loading and unloading)
Semi-Automatic Type
Fully Automatic Type (includes automatic unwinding, straightening, forming, servo-controlled cutting to length, and automatic stacking/baling)
Key Features and Advantages
High Efficiency: Continuous production with speeds of 30-150 m/min or even higher, far exceeding single-piece stamping or traditional processing methods.
High Precision: The forming rollers are precision-machined and equipped with an advanced servo control system to ensure dimensional accuracy and straightness of the keel section, with tolerances typically within ±0.1mm to ±0.3mm.
Material Savings: Cold roll forming is a plastic deformation process that produces virtually no chips, resulting in a near-100% material utilization rate (only a small amount of loss occurs during cutting).
Improved Material Properties: Cold roll forming produces a certain degree of cold work hardening, which can significantly increase the strength and rigidity of the finished keel.
Flexibility: By replacing the forming rollers with different shapes, the same machine can produce keels of various cross-sectional shapes and sizes (such as C-shaped and U-shaped keels of varying heights, widths, and thicknesses). Tooling costs are relatively low.
High Automation: The entire process, from uncoiling to cutting and discharging, is fully automated, reducing manual intervention, lowering labor intensity, and improving production stability and consistency.
Excellent Surface Quality: Because roll forming is performed, damage to the galvanized or coated surface of the raw material is minimal, resulting in a superior finished product appearance.
| Technical Parameters | ||
| Item | Parameter | Remark |
| Machine Base | National Standard No.40 I-Beam Steel | Overall Welding Structure |
| Roller Material | Cr12MoV | Vacuum Hardening |
| Main Shaft | φ75,45# Steel | Hardening and Tempering |
| Forming Groups | 15 | |
| Main Motor Power | 7.5KW | |
| Drive Method | 1.2 Inch Double Chain Drive | |
| Cut-Off Mode | Hydraulic Cut-Off | Hydraulic Station Motor Power Is 11KW |
| Punching Mode | Hydraulic Punching | |
| Uncoiler | Load 5-Ton, With Loading Platform | Hydraulic Station Motor Power Is 2.2KW |
| Control System | Siemens/Schneider PLC | |
| Hydraulic System | BeiJin Huade Brand | |
| Total Length Of Production Line | Around 18 Meters | |
| Equipment Weight | Around 5-Ton | |
| Raw Material Thickness | 0.6-1.2mm | Q235 Galvanized Coil |
| Production Speed | Over 25m/min | |

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