The Automated H-Beam Production Line from Sichuan Shunyao is an all-in-one, high-efficiency turnkey solution designed for the modern steel structure and Pre-Engineered Building (PEB) fabrication industry. This synchronized manufacturing line integrates the entire structural steel workflow into a seamless, high-output operation—moving from raw steel plate cutting to final inspection-ready H-beams.

By combining computer-controlled CNC cutting, intelligent hydraulic centering, heavy-duty submerged arc welding (SAW), and precise thermal distortion correction, this production line maximizes workshop productivity, guarantees strict structural accuracy, and drastically minimizes manual labor costs.

A complete standard H-beam manufacturing line consists of four core industrial processing stages: Cutting → Assembling → SAW Welding → Straightening

The line begins with high-capacity flame cutting machines designed to strip raw steel plates into precise widths for the web and flange components.

• QC Series Multi-Head Flame Cutting Machine: Designed for high-volume, continuous straight-line strip cutting. Features a rigid box-structure gantry with multiple torches for synchronized mass production.
• SQG Series CNC Flame Cutting Machine: Upgraded with an advanced Delta AC servo driving system and computer control interfaces. It effortlessly handles both parallel straight strips and complex, multi-angle profiling according to programmable blueprints.

Once cut, the web and flange plates are loaded into the assembly unit to form the standard "H" profile.

• HZZ Series H-Beam Assembly Machine: Features a twin-direction automatic hydraulic centering unit that eliminates manual alignment. The machine automatically clamps the flange and web plates, resolves any tail-wigging issues via a heavy-duty hydraulic grip structure, and applies synchronized twin-torch CO2 spot welding simultaneously.

The tacked H-beam then undergoes continuous, high-penetration structural welding.

• LMZ Series Gantry Submerged Arc Welding Machine (SAW): Utilizing two heavy-duty welding heads powered by robust DC arc welding power sources and MZ9 type wire feeding heads. It features a mechanical two-way floating arc guide device that tracks seams perfectly in the flat (boat) position. Includes automatic gravity flux feeding and vacuum recycling systems to minimize material waste.
• T-Type Gantry Welding Machine: Optimized with a suspended gantry structure for flexible, variable-speed travel control during continuous structural welding operations.

The extreme heat from SAW welding naturally warps steel. The final stage restores absolute structural flatness.

• HYJ Series H-Beam Hydraulic Straightening Machine: Employs a rugged lever-principle rolling mechanism to apply massive mechanical pressure exceeding the steel's yield point, correcting the "mushroom" wing deformation on the flange plates perfectly.
• 15-Ton Chain Turning Machine: A vital material handling system that quickly and safely rotates heavy steel beams 180 degrees, allowing the welding line to finish the remaining seams without relying on dangerous, time-consuming overhead factory cranes.