12000 mm Length Specialized oil &gas plate rolling machine for small diameter steel tubes
With the development of petroleum and natural gas industries, avoid too many welding seam is an important step in the production efficiency of the pipeline. Under the help of “China Petroleum Pipeline University” ,We have succeeded in producing “PLATE ROLLING MACHINE FOR SMALL DIAMETER STEEL TUBES”
Technology from abroad and research of domestic products specialties are combined in this machine, enables the machine with high efficiency, low energy consumption, easy operation, small investment, etc.You may save a large number of worker and another welding equipment .
Its unique advantages as following:
1. Minimum rolling diameter for cold bending is 1.25 times of plate thickness.
2. Adopt anti-deformation technology to eliminate the deflection of top roller when
rolling small diameter steel tubes, with high rolling accuracy.
3. Straightness accuracy of finished cylinders is controlled in 1/2000.
4. Central distance between lower rollers is adjustable for pre bending and rolling.
5. Adopt auto aligning device to effectively prevent misalignment.
6. Rolling technology is calculated and controlled by computer with automatic rolling Process
Schematic Diagram for Special Rolling Machine for Tubes
Main technical parameters
| No | Item | Features |
| 1 | Model | LPPR11-16x12000 |
| 2 | Effective Plate Width | 12000 mm |
| 3 | Effective Plate Thickness | 3---16 mm |
| 4 | Plate Yield Strength | δS≤Q235 MPa |
| 5 | Work piece Diameter | φ317-800 mm |
| 6 | Top Roller Diameter | φ300 mm |
| 7 | Lower Roller Diameter | Φ220 mm |
| 8 | Central Distance Between 2 Lower Rollers | 240-360 mm (adjustable) |
| 9 | Rolling Speed | 4000 mm/min |
| 10 | Total Motor Power | 55 KW |
This special rolling machine can roll long , thin and small diameter steel tubes. It consists of chassis, discharging side rack, fixed side rack, working rollers, driving device, support roller device, discharging device,anti-deformation device, balancing device, hydraulic system and electric control system.
The scope within supplying
- Machine body
- Electric system (including electric cabinet, inside PLC, digital touch screen)
- Hydraulic oil pump and corresponding pipeline’s accessories.
- A set of machine tools
- Three sets of manual book (including electric drawing and detail list, hydraulic drawing and detail list, and foundation drawing)
- Certificate of quality
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12000 mm Length Specialized oil & gas plate rolling machine for small diameter steel tubes Images
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