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 |
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| Condition | New |
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| Feeding Width | 1250±5mm |
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| Machine frame | 350H steel frame |
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| Forming Speed | 0-40M/min |
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| Type of Driven | 1.2-inch hardened chain |
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| Transmission Method | Electric |
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| Number of rolling mill sets | Type C8: ≥ 18 pairs; Type C21: ≥ 21 pairs |
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| Spindle diameter | Φ80mm(Solid shaft) |
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| Customized | Customized |
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Product Gallery
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.
