380V 220V Industrial Gantry Multi Point Head Resistance Spot Projection Welding Machine
Maximize your production throughput with the Industrial Gantry Multi Point Head Resistance Spot Welder, a powerhouse system engineered for high-volume, precision joining. This robust multi-head welder integrates five independent welding stations within a single, rigid gantry frame, comprising a heavy-duty steel structure, precision pneumatic actuators, individual upper electrodes, dedicated transformers, a central programmable controller, and integrated utility systems.
The Industrial Gantry Multi Point Head Resistance Spot Welder provides exceptional operational flexibility: all five welding heads can fire simultaneously for maximum speed, in a programmed sequence for complex assemblies, or be operated independently. This capability delivers consistent, high-quality welds at remarkable efficiency, making it an indispensable asset for demanding applications in automotive parts manufacturing, sheet metal fabrication, appliance production, and welded mesh creation.
| Items Models | DN(B)-100 | DN(B)-160 | DN(B)-200 | DN(B)-250 |
|---|---|---|---|---|
| Rated power (KVA) | 100 | 160 | 200 | 250 |
| Power input(V) | 3φAC 380V | 3φAC 380V | 3φAC 380V | 3φAC 380V |
| Max. short circuit current (KA) | 30 | 35 | 40 | 45 |
| Duty cycle(%) | 50 | 50 | 50 | 50 |
| Max. force(N) | 6000 | 6000 | 10000 | 15000 |
| Electrode length( MM) | 450 | 450 | 450 | 500 |
| Working stroke( MM) | 80 | 80 | 80 | 80 |
| Cooling consumption(L/min) | 20 | 20 | 20 | 20 |
| Max. welding capacity(MM) | 3.0+3.0 | 4.0+4.0 | 5.0+5.0 | 6.0+6.0 |
- Heavy-Duty Monolithic Gantry Frame: The machine is built with a single-tree style, high-rigidity steel frame. Internally welded reinforcement ribs and precision machining ensure exceptional resistance to impact, vibration, and operational flex, guaranteeing alignment stability, consistent weld quality, and long-term durability in industrial environments.
- High-Speed, Precision Pneumatic System: Each welding head features a rapid-response pneumatic pressurization system. Utilizing aluminum alloy cylinders with low-friction seals and pilot-operated high-flow valves, it ensures smooth, fast electrode action with minimal bounce, enabling a high dot-per-minute rate and clean workpiece contact.
- Capacitive Discharge Welding with Programmable Control: The system employs fast Capacitive Discharge (CD) technology for short, efficient weld times with concentrated heat input. Coupled with a programmable controller, it allows for precise management of the welding sequence (simultaneous or staggered) and individual head parameters, optimizing quality and speed.
- Advanced Process Control & Adjustment:
- Electro-Pneumatic Pressure Regulation: An integrated electrical proportional valve provides accurate, digital control over welding force for consistent nugget formation across all heads.
- Micro-Adjustable Electrode Stroke: Auxiliary cylinders on each head allow for fine, continuous stroke adjustment, ensuring perfect electrode alignment and pressure for varying material thicknesses and die heights.
- High-Efficiency Power & Cooling System: The main welding circuit is centered on a fully water-cooled resistance welding transformer and rectifier. This design ensures stable, high-power output for multi-point welding, superior thermal management during continuous operation, and enhanced energy efficiency.
- Comprehensive Safety & Protection Features:
- Full-Circuit Insulation Design: The secondary circuit, including cylinder mounts and upper arms, is fully insulated. This allows for safe installation and operation on standard conductive lower fixtures without short-circuit risks.
- Integrated Utility Monitoring: Equipped with air pressure and water flow switches, the system provides automatic monitoring and alarms to prevent operation during utility failure, protecting valuable tooling and workpieces from damage.
- Ergonomic Industrial Operation: Designed for productivity, the system supports standard foot switch control, allowing for hands-free operation that reduces operator fatigue, maintains high efficiency, and aligns with common workshop practices.





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