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CNC Multi Head Multi Electrode Resistance Spot Welder for Stainless Steel

Basic Properties

Place of Origin:Sichuan, China
Brand Name:Xinwei
Certification:CE

Trading Properties

Minimum Order Quantity:1 set
Price:$13,000-15,000 / set
Standard Packaging:wooden box
Delivery Time:25-45 working days
Payment Terms:L/C,D/A,D/P,T/T
Supply Ability:100 sets per month
Specifications
Product Name: CNC Multi Head Multi Electrode Resistance Spot Welder For Stainless Steel Rated Capacity: 100/160/200/250KVA
Voltage: 380V/220V Condition: New
Rated Duty Cycle: 50% Warranty: 1 YEAR
After Warranty Service: Video Technical Support, Online Support, And Spare Parts Showroom Location: Philippines, Brazil, Indonesia, Pakistan
Video Outgoing-inspection: Provided Machinery Test Report: Provided
Rated Capacity: 100/160/200/250 KVA Input Voltage: 380V/220V 3-Phase AC
Max Welding Thickness: 3.0+3.0 To 6.0+6.0 Mm Duty Cycle: 50%
Max Short Circuit Current: 30/35/40/45 KA Working Stroke: 80 Mm
Highlight

Multi Head Spot Projection Welding Machine

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Multi Electrode Spot Projection Welding Machine

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CNC projection welder

Product Description

CNC Multi Head Multi Electrode Resistance Spot Welder Stainless Steel

Video Demonstration



Product Overview

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.

Key Technical Advantages

Programmable CNC Multi-Head Control

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.

Monoblock High-Strength Frame Construction

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.

Advanced Pneumatic Actuation System

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.

Precision Force and Process Control

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.

High-Capacity Cooling and Electrical System

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.

Integrated Safety and Utility Monitoring

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.

Applications

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

Working Principle

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.

Technical Specifications

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

After-Sales and Support

  • Warranty Coverage — 1 year comprehensive warranty covering manufacturing defects and workmanship issues on all standard components.
  • Video Technical Support — Remote video-based troubleshooting and guidance provided by experienced engineers to minimize downtime.
  • Online Support — Dedicated online support channel for quick resolution of operational issues and technical inquiries.
  • Spare Parts Supply — Reliable availability of genuine replacement parts to ensure continuous machine operation.
  • Customization Service — Factory-supported customization of machine configuration based on customer-specific production requirements.

Frequently Asked Questions

What is the delivery time for the CNC multi-head spot welder?

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.

Can the machine be customized for specific production requirements?

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.

What installation and operator training support is provided?

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.

Is this resistance spot welder suitable for welding stainless steel with coated surfaces?

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.

Request Your Welding Solution

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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CNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless SteelCNC Multi Head Multi Electrode Resistance Spot Welder for Stainless Steel
Contact Details
Chengdu Xinwei Welding Technology Co., Ltd.

Contact Person: Mr. Wang

Tel: 86-28-84208558

Send your inquiry directly to us
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