Purlin Roll Forming Machine
High-Precision C/Z Purlin Roll Forming Solutions for Steel Structure Manufacturing
Our Purlin Roll Forming Machines are engineered for the continuous cold-forming of structural steel coils into high-precision C, Z, U, and customized purlin profiles. Designed for industrial-grade performance, the complete line seamlessly integrates decoiling, leveling, feeding, precision punching, roll forming, straightening, cutting, run-out, and fully automatic stacking.
Purlins serve as vital secondary structural members in modern steel buildings, including warehouses, industrial workshops, agricultural facilities, commercial complexes, and advanced solar mounting structures.
We deliver configurable, robust purlin roll forming solutions for global manufacturers—ranging from standard single-profile lines to automatic C/Z interchangeable systems, high-speed lines, and custom-engineered production plants built precisely to your engineering drawings.
Comprehensive Purlin Roll Forming Machine Solutions
C Purlin Roll Forming Machine
Engineered for continuous production of C-shaped cross-sections, widely utilized for roof and wall purlin systems.
Key Features: Continuous cold-forming, consistent profile geometry, optional inline automatic punching, adjustable/automatic web-height sizing, and high-speed hydraulic or servo-controlled cutting.
Z Purlin Roll Forming Machine
Designed to form structural Z-profiles with specialized overlapping installation capabilities required in large steel building frameworks.
Key Features: Stable Z-profile geometry, adjustable web and flange dimensions, programmable length setting, and flexible C/Z profile interchangeability options.
U Purlin Roll Forming Machine
Tailored for structural framing applications demanding open U-sections with strict dimensional tolerances and clean edges.
Key Features: Customized profile dimensions, specialized material thickness handling (1.5 mm - 4.0 mm), and bespoke punching patterns.
C/Z Interchangeable Purlin Roll Forming Machine
One Production Line, Multiple Profiles: Designed for manufacturers serving diverse construction markets who require high operational flexibility without investing in separate machinery for every profile.
Advantages: Rapid product changeover, reduced capital equipment investment, motorized/automatic size adjustment, and centralized PLC management.
Automatic & High-Speed Purlin Roll Forming Lines
Integrated Production: Automates the entire process from coil loading to finished-product stacking.
High-Speed Technology: Equipped with advanced flying-cutting technology and precision servo-feeding to achieve an optimal balance between line speed (30 - 50 m/min depending on profile complexity), structural stability, and product accuracy.
Main Components of a Purlin Roll Forming Line
Decoiler
Supports heavy steel coils (ranging from 3T to 10T+) with manual, motorized, or hydraulic expansion and brake controls.
Leveling & Feeding System
Removes coil-set memory, eliminates material deviation, and ensures flawless alignment before entering the roll tooling.
Punching System
Integrates hydraulic or pneumatic press stations for web holes, flange slots, and custom connection patterns based on exact CAD drawings.
Roll Forming System (The Core)
Features high-rigidity machine frames, precision-machined GCr15/40Cr alloy steel rollers (with heat treatment and hard-chrome plating), and robust gear-box transmissions.
Straightening System
Corrects potential bowing, camber, twisting, or lateral deviation to guarantee absolute straightness.
Cutting System
Utilizes post-cut hydraulic blades or advanced flying-cut systems to maintain high output rates without deforming profile ends.
PLC Control System
Powered by industrial PLC and touchscreen HMI for automated length measurement, batch counting, and fault diagnosis.
Run-Out & Automatic Stacker
Safely discharges and systematically bundles finished purlins to minimize manual labor and streamline packaging.
Typical Technical Parameters
|
Parameter |
Technical Specification |
|
Product Profiles |
C / Z / U / Customized Structural Purlins |
|
Raw Material |
Galvanized Steel (GI), Hot-Rolled/Cold-Rolled Steel (HR/CR), Q235, Q355, G450 - G550 |
|
Material Thickness |
Typically 1.0 mm - 4.0 mm (Customizable based on yield strength) |
|
Yield Strength |
Up to 550 MPa |
|
Punching System |
Inline Web and Flange Hole Punching (Hydraulic/Pneumatic) |
|
Cutting Method |
Hydraulic Stop-Cut or High-Speed Flying Cut |
|
Control System |
Industrial PLC + Touchscreen HMI |
|
Size Adjustment |
Manual, Motorized, or Fully Automatic (PLC-driven) |
|
Line Speed |
Up to 30 - 50 m/min (Configured per material thickness and complexity) |
|
Automation Level |
Semi-Automatic to Fully Automated (Coil-to-Stack) |
Purlin Roll Forming Machine Quality Considerations
When comparing different suppliers, professional buyers evaluate far beyond the initial equipment tag price:
Forming Accuracy
High-precision engineering to ensure strict cross-section geometric tolerances across long production runs.
Machine Rigidity
Heavy-duty, stress-relieved framework capable of handling high-yield structural steels (350 - 550 MPa) without frame deflection.
Roller Metallurgy & Processing
Premium alloy steels (e.g., GCr15, 40Cr) subjected to professional heat treatment and hard-chrome plating for maximum wear resistance.
Transmission System
Robust gearboxes and drive chains selected specifically to match the torque requirements of thicker gauges.
Punching & Cutting Precision
Synchronized control to eliminate hole-position drift and achieve clean, burr-free end cuts without profile deformation.
Comprehensive After-Sales Support
Detailed technical documentation, remote assistance, quick-wear spare parts availability, and engineering installation support.
For Small to Medium Batch Production: Standard C or Z purlin lines provide a cost-effective, straightforward investment for lower volume requirements.
For Multi-Size Flexibility: Automated, motorized size-adjusting machines drastically cut down manual tooling changeover times.
For Dual Profile Manufacturing: C/Z interchangeable systems maximize factory utility by producing both core profiles on a single chassis.
For High-Volume Industrial Plants: Fully automated lines equipped with flying shears, inline pre/post-punching, and automatic stackers ensure maximum output and minimal labor overhead.
Providing these precise parameters helps engineers recommend a more suitable machine configuration, and prevents unnecessary specifications or equipment costs:
Product Drawings: Complete CAD/PDF drawing of the C, Z, or U purlin profiles with precise web, flange, lip, and thickness dimensions.
Material Data: Steel grade, yield strength, coil width, and maximum coil weight.
Punching Details: Hole positions, shapes (round, slotted, oval), and locations (web vs. flange).
Production Goals: Target monthly output, required speed, and automation preferences (e.g., automatic stacking, flying cut).
Factory Conditions: Local power supply standards (Voltage/Phase/Frequency) and available factory floor space.
As one of the most professional purlin roll forming machine manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy durable purlin roll forming machine made in China here from our factory. Contact us for customized service.
Fully Automatic CU Purlin Roll Forming Machine, Fully Automatic CZ Purlin Roll Forming Machine, purlin roll forming machine