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Solar Mounting Structure Equipment Series
Solar Post Roll Forming Machine
Solar Post Roll Forming Machine
Solar Post Roll Forming Machine
Solar Post Roll Forming Machine
Solar Post Roll Forming Machine
Solar Post Roll Forming Machine

Solar Post Roll Forming Machine

The Solar Post Roll Forming Machine is used to produce column profiles for solar mounting systems and can process various structures such as C-shaped, U-shaped, and Omega-shaped profiles. The equipment supports automatic punching and continuous forming, producing profiles with high load-bearing capacity, easy installation, and wide adaptability, making them widely used in ground-mounted photovoltaic power plants.

Solar Post Roll Forming Machine (6mm Thickness) — Professional manufacturer and expert in heavy-gauge forming; fully automated intelligent production line offering a one-stop solution from steel strip to finished product.

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I. Equipment Introduction

The Solar Post Roll Forming Machine is specialized cold-roll forming equipment designed for the production of solar photovoltaic (PV) mounting posts (6mm thick). These posts serve as the core load-bearing components of the PV mounting system, directly supporting the weight of PV modules as well as wind and snow loads; consequently, their forming precision and structural strength are critical factors determining the safety and service life of the entire PV power plant.
Utilizing a continuous cold-roll forming process, the machine transforms 6mm-thick steel coil stock into finished PV mounting posts. The integrated production line executes a complete, automated workflow—including 3-in-1 decoiling/leveling/feeding, multi-station hydraulic punching, roll forming, straightening, servo-tracking hydraulic cutting, and automatic stacking—in a single pass.
The entire line features fully automatic PLC control, ensuring continuous, automated operation from decoiling to the stacking of finished products. By integrating core functions—such as 3-in-1 decoiling/leveling/feeding, multi-station hydraulic punching, roll forming, straightening, servo-tracking hydraulic cutting, and automatic stacking—the system automates the entire process of converting 6mm-thick raw material into ready-to-install posts. Requiring only 1–2 operators for monitoring, this equipment is essential for PV mounting manufacturers seeking to achieve automated production of heavy-gauge profiles.
The machine is compatible with various materials, including carbon steel (Q235B/Q355B), galvanized steel, and aluminum-magnesium-zinc coated steel. It accommodates material thicknesses ranging from 4.0mm to 8.0mm (with a maximum of 8.0mm), with 6mm being the standard primary specification. It can produce posts with diverse cross-sectional profiles—such as C-shapes, U-shapes, and M-shapes—to meet the specific mounting requirements of different PV power plants.

II. Core Advantages and Selling Points

(1) Cold-roll forming of 6mm thick plate for superior structural strength
This is the core advantage distinguishing this equipment from conventional production lines for thin-gauge photovoltaic (PV) mounting structures.
While standard PV mounting equipment is limited to processing thin sheets (2.5–3.0mm thick), this system is specifically engineered for 6mm thick plates (handling up to 8mm) and processes materials ranging from 4.0mm to 8.0mm in thickness. Thick-plate uprights offer higher yield strength and flexural rigidity, enabling them to withstand greater wind and snow loads; they are particularly suitable for demanding environments such as large-scale ground-mounted power plants, desert/Gobi regions, and high-wind coastal areas. Compared to thin-gauge alternatives, thick-plate uprights provide superior structural stability, greater resistance to deformation, and a longer service life.
Utilizing a cold-roll forming process instead of hot stamping reduces initial equipment investment costs by approximately 30%; it eliminates the need for heating equipment and complex temperature control systems, resulting in lower energy consumption. Cold-roll forming requires no high-temperature heating, thereby maximizing the retention of the metal's original mechanical properties while offering significant advantages such as high material utilization, precise forming accuracy, high production efficiency, and low energy consumption.

(2) Integrated 3-in-1 uncoiling, leveling, and feeding for space and cost savings
The system features an integrated 3-in-1 design that combines uncoiling, leveling, and feeding into a single unit, significantly reducing the factory floor space required and lowering equipment investment costs. The leveling unit employs multi-roll precision leveling to effectively eliminate internal stresses in the 6mm thick plate, ensuring accuracy in subsequent forming stages.

(3) Hydraulic multi-station punching: High force and high precision
Designed specifically for 6mm thick plates, the system utilizes a hydraulic multi-station punching setup that delivers high punching force and precision. The multi-station design allows for the simultaneous punching of various hole types—such as mounting holes, connection holes, and positioning holes—in a single pass, with positional deviation controlled within ±0.2mm. The "punch-before-form" process sequence ensures precise hole placement according to specifications prior to forming, guaranteeing dimensional accuracy and high production efficiency.

(4) Multi-pass roll forming: An expert in heavy-gauge plate forming
Utilizes a multi-pass, progressive cold-roll forming process with precisely engineered cross-sectional transitions. Key factors—such as the deformation characteristics of 6mm thick plate, roll parameters, cross-sectional stability, and torsional effects caused by asymmetric stress release—are comprehensively addressed. Fully automated, high-precision forming with a multi-pass roller design ensures dimensional accuracy and structural stability. Forming speeds reach 20–30 meters per minute, meeting high-volume production demands. The scientifically optimized pass layout accommodates a wide range of galvanized strip steel hardness levels and preserves the integrity of the zinc coating during rolling.

(5) Straightening + servo-tracking hydraulic shearing for precise dimensions
An in-line straightening unit ensures the straightness and dimensional accuracy of the uprights, achieving a precision of ±0.5mm.
A servo-tracking hydraulic shearing system automatically matches the moving speed of the continuously running uprights to perform synchronized, fixed-length cutting. This eliminates the need to slow down or stop the line, ensuring high cutting precision and clean, smooth edges. Advanced cold-roll forming requires high-efficiency servo-tracking shearing to prevent the productivity gains of high-speed forming from being lost to downtime during cutting. Lengths are cut to drawing tolerances in a single pass, eliminating the need for secondary processing. The system produces various profiles, including C-sections and U-sections.

(6) Automatic palletizing for neat finished product output
Equipped with a fully automatic palletizer, the system automatically conveys finished uprights to the palletizing station. Products are stacked neatly and systematically according to programmed settings. Manual handling is eliminated, significantly reducing labor intensity and enabling a seamless transition from production to warehousing.

(7) Intelligent control and user-friendly operation
Features full PLC automation and an intuitive touchscreen HMI for easy parameter setup. The entire line—from uncoiling to palletizing—is fully automated, requiring only 1–2 operators for monitoring. Supports fully automatic, one-touch profile changes, allowing for rapid switching between specifications. Multiple production tasks can be pre-programmed for continuous automated operation. Includes automatic fault diagnosis and alarm functions to facilitate quick troubleshooting and maintenance; the entire line can be operated by a single person. 8. Robust, durable, stable, and reliable
The machine base is a welded steel structure that has undergone tempering to eliminate internal stress and prevent deformation.
The forming stands feature a cast-iron structure that has been tempered to ensure high strength and a long service life.
The forming rollers are made of Cr12MoV steel and have been quenched to achieve a hardness of HRC 56–62.
The drive system utilizes gearboxes; each forming stand is equipped with an independent gearbox, ensuring stable, high-intensity, long-term operation with 6mm-thick plates.
Key electrical components are sourced from internationally renowned brands, such as Siemens (PLCs) and Schneider Electric.


III. Technical Parameters

Item Parameter
Applicable materials: Carbon steel (Q235B/Q355B), galvanized sheet, Al-Mg-Zn coated sheet, etc.
Material thickness: 4.0–8.0 mm (6 mm is the standard specification; customizable)
Production line speed: 10–20 m/min
Forming accuracy ≤±0.5 mm
Punching method: Hydraulic multi-station punching
Punching accuracy ≤±0.2 mm
Roll material: GCr15 / Cr12MoV (HRC 56–62)
Cutting method: Servo-tracking hydraulic shearing
Straightening method: Inline straightening
Stacking method: Fully automatic stacking
Control system: Fully automatic PLC control
Operators: 1–2 persons

IV. Production Process

3-in-1 Uncoiling, Leveling, and Feeding → Hydraulic Multi-station Punching → Roll Forming → Straightening → Servo-tracking Hydraulic Shearing → Automatic Stacking

Process Step Description
3-in-1 Uncoiling, Leveling, and Feeding: Integrated uncoiling, leveling, and feeding saves space and eliminates internal stress in 6mm thick plates.
Hydraulic Multi-station Punching: High-force hydraulic punching; multiple hole types are punched in a single pass across various stations.
Roll Forming: Multi-pass progressive cold-roll forming; gradually shapes the 6mm thick plate into the upright profile.
Straightening: In-line straightening ensures the straightness and dimensional accuracy of the uprights.
Servo-tracking Hydraulic Shearing: Servo-controlled synchronous cutting; performs fixed-length cutting in-line without stopping the machine.
Automatic Stacking: Automatically stacks finished products for neat output.

V. Application Areas

The 6mm-thick support posts produced by the cold-roll forming machine are widely used in the following sectors:
Large-scale ground-mounted PV power plants: Installations in deserts, Gobi regions, and tidal flats—the 6mm-thick posts withstand higher wind and snow loads, ensuring structural stability and reliability.
High-wind coastal areas: Coastal regions and islands prone to typhoons—the thick-plate posts offer superior wind resistance, safeguarding the power plant.
Solar tracking systems: Horizontal single-axis and tilted single-axis trackers—the 6mm-thick posts meet stringent precision requirements and ensure the long-term, stable operation of tracking systems.
Agrivoltaics and Fishery-PV systems: PV mounting structures installed over agricultural greenhouses or fish ponds—the thick-plate posts provide excellent corrosion resistance and high load-bearing capacity.
Commercial and industrial distributed PV: Large industrial rooftops—the 6mm-thick posts ensure the structural safety of wide-span mounting systems.
BIPV (Building-Integrated Photovoltaics): Integrated PV-building projects—the thick-plate posts allow for tighter integration with the building structure.


VI. Service & Support

Solution Design: Personalized equipment selection and production line layout based on customer product drawings, capacity requirements, and target markets.
Custom Manufacturing: Support for non-standard customization, with full control over the entire process—from roll design to complete line manufacturing.
Installation & Commissioning: On-site installation, commissioning, and operator training provided by engineers to ensure rapid production startup.
After-Sales Support: Long-term technical consultation and spare parts supply; engineers hold valid visas and are available for on-site service worldwide at any time.
Continuous Optimization: Equipment modification and capacity upgrade services available to adapt to changing production needs.


VII. Why Choose Us

Nearly 20 years of manufacturing experience: Mature technology, refined processes, and reliable quality
Heavy-gauge forming experts: Specifically designed for 4.0–8.0mm thick plates; proven technology for 6mm plate forming
Full-process integration capabilities: One-stop delivery covering uncoiling, punching, forming, leveling, cutting, and stacking
3-in-1 uncoiling, leveling, and feeding: Saves space and investment while reducing overall costs
Hydraulic multi-station punching: High force and precision, purpose-built for heavy-gauge plates
Servo-tracking cutting: Continuous online cutting without stopping the line; ensures both efficiency and precision
Direct manufacturer: No middlemen, offering excellent value for money
Global service network: Engineers with ready visas and rapid response capabilities

Item Specification
Forming machine structure Cast-iron arch-style frame with gearbox drive (through-shaft lateral shifting structure)
Shaft material 40Cr, quenched and tempered (HB 220–260)
Shaft diameter Φ100mm/Φ140mm (Harbin Bearings)
Forming machine motor power 45kW x 2 units
Lateral shifting motor power 2.2kW x 2 units + 3kW x 1 unit
Forming line speed 0–20 m/min
Number of forming stations 20
Rolling thickness 5–6mm
Roller tooling 1 set (automatic lateral shifting of the machine frame accommodates different specifications)
Roller material Cr12MoV, quenched (HRC 58–60)
Roller machining method CNC turning to ensure precision regarding circular runout and radial runout.
Spacers Machined from thick-walled tubing to minimize shaft runout and ensure geometric tolerances; increased contact surface area with rollers; clearance fit between inner bore and shaft.
Straightening mechanism Turkish-style straightening head (requires spacer adjustment and roller replacement for different specifications)
Safety device Protective cover installed on the drive side
Cutting method Post-forming hydraulic cut-off with servo-tracking mechanism
Shear die base High-quality carbon steel, welded and tempered
Shear dies 2 sets (requires blade replacement for different specifications)
Shear die material Cr12MoV (HRC 58–62)
Servo motor power 7kW
Hydraulic system power 15kW
Solenoid valve voltage 24V (safety voltage)

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3-in-1 decoiling, leveling, and feeding — Hydraulic multi-station punching — Roll forming — Straightening — Servo-tracking hydraulic cutting — Automatic stacking

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About
Wuxi Yanwu Xinhui Technology Co., Ltd.

Established in 2012, Wuxi Yanwu Machinery Co., Ltd., is a professional manufacturer specializing in the R&D, design, manufacturing, and servicing of cold roll forming equipment. The company is dedicated to providing global customers with integrated solutions for automated cold roll forming production lines.

Our main products include cable tray forming machines, racking forming machines, C/Z purlin machines, solar mounting bracket forming machines, floor deck machines, door frame machines, automotive profile equipment, and cut-to-length/slitting lines.

These products are widely used in the construction, electrical power, logistics and warehousing, automotive manufacturing, new energy, and infrastructure sectors.

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