Chengdu Xinwei Welding Technology Co., Ltd.
| max. welding thickness | 6+6 |
| Warranty | 1 Year with Video Technical Support and Spare Parts |
| warranty | 1 YEAR |
| Max Welding Thickness | 6.0+6.0 mm (Stainless Steel) |
| Cooling Water Consumption | 20 L/min |
| rated duty cycle | 50% |
| Video outgoing-inspection | Provided |
| Max Short Circuit Current | 30-45 KA |
| Max Electrode Force | 6000-15000 N (Model Dependent) |
| After Warranty Service | Video technical support, Online support and Spare parts |
| Duty Cycle | 50% |
| Machinery Test Report | Provided |
| Power Input | 3-Phase AC 380V |
| Delivery Time | 25-45 working days |
| voltage | 380V/220V |
| Supply Ability | 5 sets/month |
| Electrode Stroke | 80 mm Working Stroke |
| Payment Terms | L/C,D/A,D/P,T/T |
| Packaging Details | wooden box |
| Product Name | Multi Point Resistance Spot Welder Head for SS Sheet 6+6mm |
| Rated Power | 100-250 KVA (Model Dependent) |
| Place of Origin | Sichuan, China |
| Brand Name | Xinwei |
| Certification | CE |
View Detail Information
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Product Specification
| max. welding thickness | 6+6 | Warranty | 1 Year with Video Technical Support and Spare Parts |
| warranty | 1 YEAR | Max Welding Thickness | 6.0+6.0 mm (Stainless Steel) |
| Cooling Water Consumption | 20 L/min | rated duty cycle | 50% |
| Video outgoing-inspection | Provided | Max Short Circuit Current | 30-45 KA |
| Max Electrode Force | 6000-15000 N (Model Dependent) | After Warranty Service | Video technical support, Online support and Spare parts |
| Duty Cycle | 50% | Machinery Test Report | Provided |
| Power Input | 3-Phase AC 380V | Delivery Time | 25-45 working days |
| voltage | 380V/220V | Supply Ability | 5 sets/month |
| Electrode Stroke | 80 mm Working Stroke | Payment Terms | L/C,D/A,D/P,T/T |
| Packaging Details | wooden box | Product Name | Multi Point Resistance Spot Welder Head for SS Sheet 6+6mm |
| Rated Power | 100-250 KVA (Model Dependent) | Place of Origin | Sichuan, China |
| Brand Name | Xinwei | Certification | CE |
| High Light | Multi Point Resistance Spot Projection Welding Machine ，SS Sheet Spot Projection Welding Machine ，220V projection welders | ||
The Multi Point Resistance Spot Welder Head for SS Sheet is a heavy-duty gantry-style resistance welding system engineered for high-productivity stainless steel fabrication. This multi-head spot welding machine integrates five independently controlled welding heads within a single rigid frame, enabling simultaneous, sequential, or individual welding operations to meet diverse production demands. Built with precision pneumatic actuators, programmable controls, and high-capacity water-cooled transformers, it delivers consistent weld quality across stainless steel sheet metal, automotive components, appliance panels, and expanded metal mesh.
Designed for 6+6 mm maximum welding thickness on stainless steel sheets, this multi-point resistance spot welder combines capacitive discharge technology with electro-pneumatic proportional pressure control to minimize heat-affected zones while maximizing throughput. The system features a monolithic tree-style construction with internal reinforcement ribs, ensuring minimal deflection during continuous operation. Ideal for fabricators seeking to reduce cycle times and improve weld repeatability, this spot welding head upgrades manual or single-point operations into a semi-automated, multi-electrode production solution suitable for high-volume manufacturing environments.
The single-body tree-style structure with internal reinforcement ribs resists impact and vibration, minimizing structural deflection under load. This ensures electrode alignment remains stable during continuous production, allowing fabricators to hold tight weld tolerances over extended runs and reduce rework caused by weld drift.
All five upper electrodes can operate simultaneously for high-speed multi-point welding, sequentially for complex assemblies, or individually for custom patterns. This flexibility allows manufacturers to switch between production modes without retooling, delivering faster changeovers and higher throughput for mixed-batch stainless steel sheet jobs.
Fast capacitive charging and discharging delivers extremely short weld times, which narrows the heat-affected zone and reduces thermal distortion on thin stainless sheets. This feature improves weld appearance, requires less post-weld finishing, and supports higher energy efficiency compared to conventional AC spot welding.
Each upper electrode has an auxiliary pneumatic cylinder for fine stroke adjustment, while an electronic proportional valve provides real-time digital control of welding force. Operators can set consistent pressure per weld schedule, ensuring uniform nugget formation across the entire workpiece and lowering the risk of weak or inconsistent spot welds.
The secondary circuit uses fully insulated cylinder mounts and upper arms, allowing direct installation onto common lower fixtures without short-circuit risk. This simplifies machine setup, enhances operator safety, and shortens installation downtime when configuring jigs for new weld jobs.
Air pressure and water flow sensors trigger immediate alerts when utility supply fails, preventing dry welding or component damage. This built-in diagnostics feature reduces unplanned downtime and protects both the tooling and workpieces, supporting consistent production output over long duty cycles.
| Industry | Typical Workpiece | Welding Mode |
|---|---|---|
| Stainless Steel Sheet Metal Fabrication | Sheet metal enclosures, cabinets, panels up to 6+6 mm thickness | All five heads simultaneous or sequential welding |
| Automotive Components | Brackets, mounting plates, structural reinforcements | Individual head control for custom spot patterns |
| Appliance Manufacturing | Control panels, door frames, internal support frames | High-speed simultaneous welding for cycle-time reduction |
| Expanded Metal Mesh Production | Stainless steel expanded mesh sheets for filtration and guards | Sequential welding along mesh nodes |
The Multi Point Resistance Spot Welder Head operates on the principle of localized resistance heating. High current passes from the copper alloy upper electrodes through the stacked stainless steel sheets to the lower electrode, generating heat at the interface due to electrical resistance. Simultaneously, the pneumatic system applies controlled force through the upper electrode, forging the heated material into a solid nugget. The capacitive discharge unit delivers short, intense current pulses that complete the weld in milliseconds, while the electro-pneumatic proportional valve maintains precise pressure throughout the cycle. Each electrode can be triggered simultaneously, sequentially, or individually via the programmable controller, allowing the system to match force and current to the specific material thickness and weld pattern. After the weld is formed, the electrode retracts and advances to the next spot, repeating the cycle at high speed for continuous multi-point production.
| Parameter | Unit | 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 |
The maximum welding capacity depends on the model you select. The DN(B)-250 model welds up to 6.0+6.0 mm stainless steel sheets, while the DN(B)-100 supports up to 3.0+3.0 mm. The 6+6 mm specification refers to the DN(B)-250 configuration designed for thicker stainless steel fabrication jobs.
Yes, each of the five welding heads can be controlled individually, sequentially, or simultaneously through the programmable controller. This flexibility allows you to weld different patterns, handle complex assemblies, or run all heads at once for maximum throughput on long sheet metal runs.
The welding pressure is controlled by an electro-pneumatic proportional valve that enables real-time digital adjustment of welding force. Each upper electrode also has an auxiliary pneumatic cylinder for fine stroke calibration. This combination ensures accurate pressure per weld schedule, contributing to consistent weld quality.
The factory can customize the machine according to your workpiece requirements. Standard models are typically shipped promptly, while customized configurations take additional time for engineering and fabrication. Please contact our team with your drawings to receive an accurate delivery schedule.
The main welding circuit uses a fully water-cooled transformer and rectifier assembly that maintains stable output and thermal management during continuous high-duty cycles. The integrated water flow monitoring switch triggers an alarm if coolant flow drops, preventing overheating and protecting the equipment from damage.
Send us your workpiece drawings and production requirements. Our engineering team will evaluate your application, configure the optimal solution, and provide a detailed proposal with electrode design and automation integration options.
Send Drawing | Request Welding Test | Get Custom Solution
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Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
$35000000-$50000000
Employee Number:
70~95
Ecer Certification：
Verified Supplier
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