Purlin Roll Forming Machine With Hydraulic Cutting

The Purlin Roll Forming Machine continuously processes steel coil into precision C or Z purlins, featuring an integrated hydraulic unit for high-accuracy, fixed-length cutting. The production sequence encompasses decoiling, strip guiding, leveling, pre-punching (optional), cold roll forming, encoder length measurement, and hydraulic cutting. All core tooling-including forming rollers, main shafts, punching dies, and cutting blades-is customized according to approved section drawings, material grades, and production capacity targets.

Pre-Engineered Metal Buildings (PEB): Primary roof purlins, wall girts, and structural framing.
Commercial Warehouses & Factories: Secondary framing support for insulated panels and sheet cladding.
Solar Racking Systems: Custom-punched structural C-channels for ground-mount solar structures.
Agricultural Buildings: Heavy-duty structural framing components for long-span sheds.

Forming Rollers: Machined using high-precision CNC lathes and heat-treated to HRC 58-62. Hard-chrome plating (0.05 mm) is applied to prevent surface scratching on galvanized coatings.
Main Shafts: Manufactured from solid 40Cr steel, precision ground to ensure zero vibration and long bearing life during heavy continuous loads.
Machine Base & Frame: Heavy-duty welded H-beam structure stress-relieved to eliminate deformation under continuous operation.
Drive System: Powered by premium electric motors paired with hard-tooth speed reducers for steady torque distribution across all forming passes.

Encoder Feedback: Closed-loop rotary encoder measures feeding distance in real time, transmitting pulse data to the PLC.
Non-Stop/Stop Cutting: Automated hydraulic shearing operates precisely according to preset batch quantities and lengths.
Profile-Matched Cutting Dies: Interlocking hydraulic blades contour to the exact purlin shape, ensuring clean, burr-free cuts without profile distortion.

When connection bolt holes are required, high-speed hydraulic punching stations are synchronized directly into the line.
Flexible Hole Patterns: Supports single-hole, double-hole, web punching, and flange punching.
Servo-Guided Positioning: Punching unit coordinates directly with line feed control to maintain hole-to-end and hole-to-hole spacing accuracy within +/- 0.5 mm.
Multi-Profile Punching: Accommodates multiple hole patterns across varying purlin sizes via quick-change punch dies.

Flange & Web Straightness: Precise roller pass design prevents twisting, bowing, or camber along 12m finished purlins (Straightness <= 1.5 mm per 10m).
Galvanized Coating Protection: Polished roller surfaces protect zinc coating from peeling or scratching during forming.
Shaft Rigidity: Oversized shaft diameters limit deflection under high yield material processing.
Centerline Alignment: Laser-aligned forming stands ensure symmetrical profile geometry from strip entry to cutting exit.

To select the appropriate line configuration and receive a technical proposal, provide the following parameters:
Profile Drawings: Dimensioned PDF or CAD drawings showing web, flange, lip, and thickness.
Material Specifications: Material grade, yield strength (MPa), thickness range, and coil weight.
Punching Detail: Hole diameter, edge distance, and spacing configurations.
Capacity Requirements: Target forming speed (m/min) and required daily output.
Electrical Standard: Operational voltage, frequency, and phase (380V/50Hz/3P).

• 12-Month Quality Warranty covering all major mechanical components, PLC, and hydraulic systems.
• Factory Pre-assembly Video Inspection provided prior to shipment loading.
• Lifetime Remote Technical Support and quick-dispatch spare parts supply.

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