High-Precision Durable C8 C21 Double Layer Trapezoidal Roll Forming Machine
The C8 / C21 double layer trapezoidal roll forming machine is engineered to produce two distinct trapezoidal roofing profiles (C8 and C21) on a single, space-saving unit. By merging two independent forming layers into one compact structure, this equipment delivers a practical solution for manufacturers looking to cut operational costs, save valuable factory floor space, and boost production flexibility without investing in two separate machines.
Constructed with a heavy-duty welded frame and high-precision forming rollers, the machine ensures long-term stable operation and consistent, accurate profile dimensions even during continuous high-speed production. Its intuitive switching system allows for fast, seamless transitions between C8 and C21 profiles, making it perfect for factories that handle multiple roofing sheet orders and need to adapt quickly to changing project demands.
This versatile production line supports a wide range of raw materials, including galvanized steel, color-coated steel, and cold-rolled steel, with fully customizable sheet thickness and width to match specific project specifications. Whether for residential roofing, commercial construction, or industrial building projects, the machine can be tailored to meet diverse production requirements with ease.
Equipped with an advanced PLC control system and a user-friendly touch screen interface, the machine enables one-button operation, automatic length and quantity setting, and precise control over the cutting process. This intelligent system minimizes manual intervention, reduces material waste, and ensures reliable, efficient production, helping businesses streamline their workflow and improve overall output quality.
Technical Specifications
| Model NO |
C8 C21 Double Layer Trapezoidal Roll Forming Machine |
| Condition |
New |
| Feeding Width |
1250±5mm |
| Machine frame |
350H steel frame |
| Forming Speed |
0-40M/min |
| Type of Driven |
1.2-inch hardened chain |
| Transmission Method |
Electric |
| Number of rolling mill sets |
Type C8: ≥ 18 pairs; Type C21: ≥ 21 pairs |
| Spindle diameter |
Φ80mm(Solid shaft) |
| Customized |
Customized |
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Frequently Asked Questions
How many people are required to operate the machine?
It requires just one operator plus one person to handle the output; for highly automated models, a single person is sufficient.
How long is the warranty period?
The entire machine comes with a 12-month warranty, excluding wear parts.
Can it be connected to an automatic stacker?
Yes, optional systems for automatic material collection, automatic stacking, and automatic counting are available.
Is the length of the discharge rack adjustable?
Yes, our standard telescopic discharge rack can be adjusted to accommodate sheet materials of varying lengths.
How should the machine be stored when not in use for an extended period?
Disconnect the power, clean the machine, apply anti-rust oil, cover it with a dust cover, and store it in a dry environment.
