Heavy Gauge C Purlin Roll Forming Machine

The Heavy Gauge C Purlin Roll Forming Machine converts steel coils into high-strength structural C purlins through continuous roll forming, pre/post-punching, and precision cut-to-length processing. Engineered for thick steel sections requiring higher forming loads, this rigid system processes galvanized, carbon, and cold-/hot-rolled structural steel. Key applications include industrial plants, warehouses, agricultural facilities, multi-story steel framing, and commercial roof/wall support systems.

Heavy-Gauge Capability: Purpose-built for thick, high-tensile structural steel up to 4.0 mm thickness and 550 MPa yield strength.
Rigid Tooling Architecture: Enlarged main shafts (80–100 mm) and HRC 58–62 tool-steel rollers extend overall machine service life.
Integrated Punch & Shear: Eliminates manual secondary drilling and cutting, lowering labor costs.
Flexible Sizing Options: Fast profile adjustment reduces setup downtime during product runs.

Heavy-gauge C purlins are primary load-bearing secondary members across structural engineering projects:
Industrial Plants & Factories: Heavy roof purlins, wall girts, and internal mezzanine supports.
Logistics Warehouses: Large-span secondary structural framing.
Agricultural Buildings: Livestock barns, processing centers, and equipment storage frames.
Pre-Engineered Buildings: Standardized secondary structural profiles for steel building fabrication.

Hydraulic Decoiler: Motorized decoiling with hydraulic expansion and snubber arm for safe coil loading.
Precision Leveler: Multi-roll flattening unit eliminates coil set and stress prior to punching and forming.
Servo Punching Unit: Multi-cylinder hydraulic punch head controlled by AC servo drives for high-accuracy hole placement.
Roll Forming Mill: Heavy-gauge structural stands hold precision-ground tool steel rollers.
Hydraulic Shear: Heavy-duty post-forming shear or flying cut-off system for continuous operation.
Run-Out Table: Automatic stacker or roller conveyor for finished product collection.

Rollers are engineered using specialized CAD/FEA software to optimize bending sequences.
Tooling Craftsmanship: Premium Cr12MoV / SKD11 steel, CNC turned, vacuum heat-treated to HRC 58–62, and surface-polished for extreme wear resistance and longevity.
Bending Progression: Flat Strip → Leveling → Punching → Web Bending → Flange Bending → Lip Forming → Final Section Straightening.
Dimensional Control: Precise tooling geometry ensures consistent profile angles, flat webs, and square lips down the full profile length.

Hydraulic Punching: Flexible configuration for slots, round holes, and flange holes. Single or multi-cylinder systems are programmed via HMI for custom hole pitch and edge distance.
Shearing Mechanism: Non-deforming hydraulic shear dies matched to the purlin profile
Flying Cut-Off Option: Available for high-capacity production lines requiring non-stop continuous cutting.
Cutting Accuracy: Length tolerance within ±1.0 mm on a 6-meter cut length.

Actual operating speed varies based on profile dimensions, coil thickness, material yield strength, and hole density:
2.0–2.5 mm Standard Steel: Moderate load, rapid forming, line speed up to 15–20 m/min.
2.5–3.0 mm Galvanized Steel: Balanced torque and speed, operating speed approx. 12–15 m/min.
3.0–4.0 mm High-Tensile Steel: High load torque, progressive forming focus, operating speed approx. 8–12 m/min.
Complex Hole Patterns: Speed dictated by punching frequency (servo flying punch option available to boost capacity).

Certification: CE Certified and manufactured under ISO 9001 quality management systems.
Warranty: 12 to 24-month comprehensive mechanical and electrical warranty.
Service Support: Remote diagnostic support via PLC connection, factory engineer deployment for global installation/training, and lifetime spare parts supply.

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