Product Specification

Multi-Head Press Welding Machine for Industrial Steel Grating Production

A multi-head press resistance welding machine purpose-built for industrial steel grating manufacturing. This equipment is engineered to weld bearing bars and cross bars with consistent penetration and uniform joint strength — the defining quality requirement for load-bearing grating used in factory walkways, industrial platforms, trench covers, and drainage grating. With 40-200KVA configurable power, multi-head simultaneous press welding, and automatic pneumatic electrode control, it delivers the production throughput and weld consistency that professional grating manufacturers require for high-volume orders.

Multi-head press resistance welding machine for industrial steel grating and walkway grating production.

Watch It Working

Key Advantages for Grating Manufacturers

1. Multi-Head Press Welding for Load-Bearing Joints
The press-type welding mechanism applies uniform downward force across all bearing bar-to-cross-bar joints simultaneously, ensuring each intersection receives identical electrode pressure and current. This is critical for steel grating where every weld point contributes to load-bearing capacity — a single weak joint can compromise the entire panel. The press design eliminates the alignment drift common in sequential welding, producing grating that consistently meets load-rating specifications.

Close-up of press-type multi-head welding producing consistent cross-bar joints on industrial steel grating.

2. 40-200KVA Power for Full-Range Grating Production
From light-duty walkway grating (40-80KVA, 3-4mm bearing bars) to heavy-duty industrial platform grating (160-200KVA, 5-6mm bars), the configurable power range covers the complete spectrum of grating product specifications. PLC-stored presets allow quick changeover between different grating types without manual transformer adjustments — maximizing machine utilization across your product catalog.

3. Automatic Pneumatic Pressure Control
Each welding head features independent pneumatic pressure regulation, maintaining stable electrode force throughout the weld cycle. Uniform pressure per joint means uniform weld quality per panel — no weak spots, no over-welded burn-through, consistent results from the first panel of the shift to the last.

Finished industrial steel grating panels — walkway grating, trench covers and platform grating — produced by multi-head press welding machine.

Technical Specifications

Steel Grating Products

Industrial Walkway & Platform Grating — Factory floors, mezzanine platforms, catwalks, and maintenance access walkways requiring consistent load-bearing weld joints.

Drainage Grating & Trench Covers — Municipal drainage covers, trench gratings, and channel covers for pedestrian and light vehicle traffic areas.

Heavy-Duty Industrial Grating — Mining platforms, petrochemical plant flooring, offshore deck grating, and power plant access grating requiring maximum load capacity and corrosion resistance.

Why Choose Xinwei Welding

FAQ

Q: What types of steel grating can this machine produce?
A: Industrial walkway grating, platform grating, trench covers, drainage grating, stair treads, and heavy-duty grating for mining and petrochemical applications. Bearing bar thickness from 3mm to 6mm.

Q: How does press welding ensure consistent joint strength?
A: The press-type mechanism applies uniform downward pressure simultaneously across all cross-bar joints, ensuring identical electrode force and current per weld point. This eliminates the variation inherent in sequential welding and produces grating panels with consistent load-bearing capacity.

Q: Can I switch between different grating specifications easily?
A: Yes. PLC presets store multiple grating configurations — different bearing bar spacing, cross-bar pitch, and bar thickness. Changeover between stored presets takes under 30 minutes.

Q: What is the delivery and installation timeline?
A: Standard delivery is 25-45 working days. On-site installation and commissioning takes 5-7 working days including PLC programming for your grating specifications, production trial runs, and operator training.

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