Chengdu Xinwei Welding Technology Co., Ltd.
| rated capacity | 100/160/200/250KVA |
| warranty | 1 YEAR |
| Max Welding Thickness | 3.0+3.0 to 6.0+6.0 mm |
| rated duty cycle | 50% |
| Video outgoing-inspection | Provided |
| Working Stroke | 80 mm |
| After Warranty Service | Video technical support, online support, and spare parts |
| Input Voltage | 380V/220V 3-Phase AC |
| Max Short Circuit Current | 30/35/40/45 KA |
| Delivery Time | 25-45 working days |
| Machinery Test Report | Provided |
| Product Name | CNC Multi Head Multi Electrode Resistance Spot Welder for Stainless Steel |
| Showroom Location | Philippines, Brazil, Indonesia, Pakistan |
| Rated Capacity | 100/160/200/250 KVA |
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 100 sets per month |
| voltage | 380V/220V |
| Packaging Details | wooden box |
| condition | New |
| Duty Cycle | 50% |
| Place of Origin | Sichuan, China |
| Brand Name | Xinwei |
| Certification | CE |
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Product Specification
| rated capacity | 100/160/200/250KVA | warranty | 1 YEAR |
| Max Welding Thickness | 3.0+3.0 to 6.0+6.0 mm | rated duty cycle | 50% |
| Video outgoing-inspection | Provided | Working Stroke | 80 mm |
| After Warranty Service | Video technical support, online support, and spare parts | Input Voltage | 380V/220V 3-Phase AC |
| Max Short Circuit Current | 30/35/40/45 KA | Delivery Time | 25-45 working days |
| Machinery Test Report | Provided | Product Name | CNC Multi Head Multi Electrode Resistance Spot Welder for Stainless Steel |
| Showroom Location | Philippines, Brazil, Indonesia, Pakistan | Rated Capacity | 100/160/200/250 KVA |
| Payment Terms | L/C,D/A,D/P,T/T | Supply Ability | 100 sets per month |
| voltage | 380V/220V | Packaging Details | wooden box |
| condition | New | Duty Cycle | 50% |
| Place of Origin | Sichuan, China | Brand Name | Xinwei |
| Certification | CE | ||
| High Light | Multi Head Spot Projection Welding Machine ，Multi Electrode Spot Projection Welding Machine ，CNC projection welder | ||
The CNC Multi Head Multi Electrode Resistance Spot Welder Stainless Steel is an automated gantry-based welding system engineered for precision and high-volume production of stainless steel components. It integrates programmable CNC control with a robust multi-electrode framework, featuring a heavy-duty main chassis, synchronized pneumatic actuation, independent welding heads, dedicated transformers, and integrated cooling and gas systems for consistent, repeatable weld quality.
This resistance spot welder enables programmable simultaneous or sequential operation of multiple electrodes, allowing complex weld patterns with exceptional repeatability and drastically reduced cycle times. It is ideally suited for demanding applications in automotive sub-assemblies, industrial sheet metal fabrication, appliance manufacturing, and precision wire mesh production where weld integrity and throughput are critical to operational success.
The CNC controller allows individual or synchronized programming of each welding head's timing, sequence, and pressure. This enables complex multi-spot patterns and adaptive welding sequences, ensuring consistent, repeatable results across stainless steel workpieces while minimizing setup time between production runs.
Built from a single massive steel frame with internal rib reinforcement, the machine offers exceptional resistance to vibration and flexing during operation. This rigid architecture maintains perfect electrode alignment across all heads, which is fundamental for achieving uniform spot weld quality and reducing rework rates.
Each electrode is driven by a precision air cylinder with aluminum barrel, low-friction seals, and high-flow pilot valves. This configuration delivers rapid, smooth electrode travel with minimal impact, enabling very high cycling speeds that directly increase production output per shift.
Electro-pneumatic proportional valves provide accurate, digitally adjustable welding pressure for each head, ensuring optimal nugget formation. Capacitive discharge power delivers ultra-fast concentrated energy that minimizes thermal distortion on stainless steel, while micro-adjustable stroke allows fine electrode alignment with the workpiece surface.
The main power circuit uses a fully water-cooled transformer and solid-state rectifier package, ensuring stable high power output for multi-head operation. This design improves energy efficiency and delivers reliable performance during extended production runs, reducing downtime from thermal overload.
Full-circuit insulation on the secondary welding circuit permits safe operation on conductive fixtures without short-circuit risks. Built-in air and water supply sensors continuously monitor parameters and automatically halt processes with alarms if levels fall outside safe limits, protecting tooling and workpieces from damage.
| Industry | Typical Workpiece | Welding Mode |
|---|---|---|
| Automotive Industry | Sub-assemblies, brackets, mounting plates | Multi-spot simultaneous welding |
| Sheet Metal Fabrication | Panels, enclosures, frames | Sequential multi-electrode welding |
| Appliance Manufacturing | Housings, liners, structural parts | Programmable pattern welding |
| Wire Mesh Production | Precision wire mesh panels, screens | High-speed multi-point welding |
| Stainless Steel Fabrication | Food equipment, chemical containers | Capacitive discharge spot welding |
The CNC Multi Head Multi Electrode Resistance Spot Welder operates by delivering controlled electrical current through copper electrodes to create resistance heat at the workpiece interface, forming a molten nugget that fuses metal sheets together. The CNC controller manages each electrode head independently, coordinating vertical movement via precision linear guides and pneumatic cylinders. Welding pressure is regulated by electro-pneumatic proportional valves, while capacitive discharge power supplies provide rapid energy release for stainless steel applications. The integrated cooling system circulates water through transformers and electrodes to maintain stable operating temperatures during continuous multi-head cycling, while the back-up gas storage tank reduces pressure fluctuations to ensure consistent welding force throughout the production process.
| 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 |
Standard delivery time typically ranges from 30 to 45 days depending on the specific configuration and current production schedule. Customized machine layouts may require additional lead time for engineering and assembly. Please contact our sales team with your requirements to receive an accurate delivery schedule.
Yes, our factory supports customization based on customer requirements. This includes adjustments to the number of welding heads, electrode configurations, platen size, automation integration, and control system programming. Our engineering team will work with you to configure the optimal solution for your application.
We provide machinery test reports and video inspection documents prior to shipment. On-site installation supervision and operator training can be arranged upon request, and video-based technical support is available throughout the equipment lifecycle to assist with setup, programming, and troubleshooting.
Yes, the machine is specifically designed for stainless steel and other alloys. The capacitive discharge power option provides ultra-fast energy delivery that minimizes thermal distortion and is ideal for stainless steel properties. For coated materials, we recommend conducting sample weld tests to confirm optimal parameters and electrode selection for your specific application.
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
Precision Resistance Welding Solutions for Global Manufacturing Chengdu Xinwei Welding Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, sales, and service of resistance welding equipment. We provide reliable, efficient, and customized welding solutions, fr... Precision Resistance Welding Solutions for Global Manufacturing Chengdu Xinwei Welding Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, sales, and service of resistance welding equipment. We provide reliable, efficient, and customized welding solutions, fr...
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