Against the backdrop of sustained growth in demand for industrial plants, logistics warehousing, and commercial building enclosure systems, roofing material manufacturers are facing increasing cost and delivery pressures. How to produce more types of roof panels with lower equipment investment in limited factory space has become the key to enhancing the competitiveness of enterprises. Automatic Double Layer Roof Sheet Roll Forming Machine for Color Coated Steel Integrating two types of roof panels onto the same rack provides an efficient solution for manufacturers of color steel roofing materials with a one machine dual panel design.
What is a double-layer color steel roof panel forming machine?
The double-layer color steel roof panel forming machine is a highly integrated automated cold bending forming equipment, and its core design is to configure two independent forming stations on a single rack. The upper workstation is used to produce one type of roof panel (such as corrugated board), while the lower workstation is used to produce another type of panel (such as trapezoidal board). The operator can select which layer to run through the PLC touch screen.
The standard production process is: uncoiling → feeding guidance → roll forming → hydraulic fixed length cutting → finished product output. The entire production line is coordinated by a PLC control system to achieve full automation of the entire process from coil loading to finished board output.
Core Advantages：
1. One machine dual board type, significantly reducing investment costs
This is the core competitiveness of double-layer molding machines. Compared to purchasing two single-layer devices separately, the procurement cost of one double-layer forming machine is only 60% -70% of the total cost of the two single-layer devices, which can save 30% -40% of equipment investment. For newly entered roofing material manufacturers, this means lower entrepreneurial barriers; For manufacturers with existing production lines, this means a faster investment return cycle.
2.Save factory space by 40% -50%
A standard single-layer cold bending forming line usually occupies a relatively long straight factory space. A double-layer forming machine vertically stacks two forming stations on the same rack, occupying only about half the area of two independent production lines. In an environment where industrial land and factory rents continue to rise, this advantage is particularly crucial.
3. Fully automatic PLC control, easy to operate
The equipment is equipped with an industrial grade PLC control system and a touch screen human-machine interface to achieve intelligent production management. The operator only needs to input parameters such as the length of the board and the production quantity, and select the upper or lower workstation through the screen. The system can automatically complete the full process control of forming and cutting. Using an encoder to accurately measure the length of the board, supporting automatic counting and preset quantity production. In fully automatic operation mode, only one operator is needed to manage the entire production line.
4. High precision molding, stable quality
The equipment adopts 45 # high-quality steel rollers, which are processed by CNC precision machining and heat treatment, and then coated with hard chromium on the surface to ensure precise and wear-resistant forming contours. The cutting tool is made of Cr12MoV material and has a hardness of HRC58-62 after quenching treatment. The incision is smooth and free of burrs, and the cutting tolerance can be controlled within ± 1-2mm. The typical number of molding passes is 16+28, which gradually deforms the board and ensures uniform stress, ensuring consistent board shape and smooth surface.
Application Areas：
The panels produced by the double-layer color steel roof panel forming machine are widely used in various building scenarios:
• Industrial buildings:
Roofing and wall systems for steel structure factories, logistics warehouses, and manufacturing workshops
• Commercial buildings:
enclosure structures for supermarkets, farmers' markets, and simple venues
• Agricultural buildings:
roof coverings for livestock farms, grain warehouses, and agricultural greenhouses
• Civil buildings:
residential roofs, garages, canopies, and prefabricated houses
• Other uses:
noise barriers, composite sandwich panel substrates
Pattern diagram:
Product Attributes :
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1.Formed Material
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PPGI,GI,AI
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Thickness（0.3-0.6mm） Width（customized）
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2.Decoiler
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Hydraulic automatic decoiler
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Ordinary decoiler(will give you as free）
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3.Main body
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Roller station
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16+18rows(As your requirement)
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Diameter of shaft
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80mm solid shaft
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Material of rollers
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45# steel, hard chrome plated on the surface
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Machine body frame
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350 H steel
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Drive chain
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1.2inch(As your requirement)
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Dimension(L*W*H)
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8500*1400*1300（customize）
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Weight
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4-6T
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4.Cutter
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Automatic
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cr12mov material, no scratches, no deformation
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5.Power
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Motor Power
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7.5KW
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Hydraulic system power
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5.5KW
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6.Voltage
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380V 50Hz 3Phase
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As your requirement
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7.Control system
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Electric Box
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Customized（famous brand）
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Language
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English（Support multiple languages）
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PLC
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Automatic production of the whole machine. Can set batch, length, quantity, etc.
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8.Forming Speed
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12-35m/min
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The speed depends on the shape of the tile and the thickness of the material.
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Machine image:
Frequently Asked Questions (FAQ)：
Q1: What types of plate combinations can be produced by a double-layer forming machine?
Common combinations of board types include corrugated board+trapezoidal board, two different specifications of trapezoidal board, etc. We can also customize the production of other board combinations according to customer needs. We can design customized rolling mill molds for customers by providing plate drawings or samples.
Q2: Is the production efficiency of the double-layer molding machine lower than that of two single-layer machines?
The double-layer forming machine can only run one layer at a time, so the single-layer production capacity is equivalent to that of a single single-layer machine. However, considering that a double-layer machine can cover two types of board types, for manufacturers who need to flexibly switch products, the overall production efficiency is actually higher - there is no need to stop and replace equipment due to board type switching.
Q3: How long does it take to switch board types?
Board type switching can be completed by selecting the operating layer through the PLC touch screen, usually taking only a few minutes. The operator does not need to disassemble or replace the rolling mill set, and the two sets of forming stations are permanently installed on the frame.
Q4: How to ensure the forming accuracy of the equipment?
Accuracy assurance comes from three aspects: the rolling mill is made of high-quality 45 # steel, which is processed by CNC precision machining and hard chrome plating to ensure accurate forming contours; PLC closed-loop control system with encoder for real-time monitoring of production parameters; The hydraulic shearing system, in conjunction with the sizing device, achieves a cutting tolerance of ± 1-2mm.
Contact Us：
From the roof enclosure of industrial plants to the covering materials of agricultural buildings, from the wall systems of commercial buildings to the roof decoration of residential buildings, color steel roof panels are serving an increasing number of construction projects worldwide with their excellent structural performance and economic benefits. A reliable performance, one machine dual board type Automatic Double Layer Roof Sheet Roll Forming Machine for Color Coated Steel， It is the core equipment for roof material manufacturers to expand their product line and enhance market competitiveness with limited investment. If you need equipment solutions and quotations tailored to your specific needs, please feel free to contact us at any time.
