This double layer roll forming machine is specially engineered for producing 840 and 850 type corrugated roofing sheets on one integrated production line. The double layer structure maximizes workshop space utilization and reduces equipment investment while maintaining high forming precision and efficiency.
The machine adopts advanced PLC control system, electric cutting device, and precision processed rollers to ensure stable operation, smooth sheet surface, and accurate length cutting. It is widely used in steel structure buildings, industrial roofing projects, and construction material factories.
1. Machine Model: 840/850 Double Layer Roll Forming Machine
2. Profile Type: Corrugated roofing sheet
3. Layer Quantity: Two layers (double profile design)
4. Forming Method: Cold roll forming
5. Applicable Material: GI, PPGI, PPGL, Aluminum coil
6. Material Thickness: 0.3–0.8 mm
7. Coil Width: According to 840/850 profile
8. Forming Stations: 13–16 stations per layer
9. Roller Material: 45# forged steel
10. Roller Surface: Hard chrome plated
11. Shaft Material: High-strength 45# steel
12. Shaft Diameter: 70 mm
13. Transmission Type: Chain drive system
14. Gearbox: High precision reducer
15. Main Motor Power: 5.5 kW
16. Cutting System: Electric cutting device
17. Blade Material: Cr12 heat-treated steel
18. Cutting Tolerance: ±2 mm
19. Control System: PLC automatic control
20. Operation Screen: Touch screen panel
21. Length Measurement: Encoder measurement
22. Production Speed: 8–15 m/min
23. Voltage: 380V / 50Hz / 3 Phase (customizable)
24. Decoiler Type: Manual or hydraulic optional
25. Decoiler Capacity: 5T–10T
26. Feeding Guide Device: Adjustable
27. Leveling System: Integrated leveling rollers
28. Frame Structure: Heavy-duty welded steel frame
29. Base Frame Thickness: Thick steel plate support
30. Machine Color: Blue and yellow (customizable)
31. Lubrication Method: Manual lubrication
32. Safety Device: Emergency stop button
33. Protection Cover: Optional
34. Noise Level: Low noise operation
35. Operation Mode: Fully automatic continuous production
36. Space Requirement: Compact double layer design
37. Panel Surface Quality: Smooth and uniform
38. Application: Factory buildings
39. Application: Warehouses
40. Application: Workshops
41. Application: Commercial buildings
42. Application: Residential roofing
43. Application: Agricultural sheds
44. Machine Weight: Approx. 8–10 tons
45. Customization: Profile drawing customization available
Compared with two single-layer machines, this double layer design saves installation space and reduces overall investment cost. The electric cutting system ensures fast response and clean cutting edges without damaging the sheet surface.
All rollers are CNC machined and chrome plated for long service life and high forming precision. The PLC system allows easy parameter setting for production length and quantity, improving automation level and reducing labor cost.
We provide professional installation guidance, commissioning support, and complete after-sales service to ensure smooth operation for customers worldwide.
