Stainless Steel Spot Laser Welding Machine

The Stainless Steel Spot Laser Welding Machine is specifically designed for medium and thin plate processing. Utilizing high-performance fiber lasers, it features a high weld aspect ratio and a small heat-affected zone, effectively preventing thin plate deformation and blackening. With fast welding speeds and aesthetic forming, it requires no secondary grinding, making it the ideal choice for kitchen and bathroom appliances, stainless steel doors and windows, and sheet metal processing.

Laser Power: 1100W / 1500W / 2000W / 3000W / 4000W

Welding Thickness: 0.5 – 10 mm

Automatic Wire Feeding: Φ0.8 – 2.0 mm

Price: USD $3357~USD $15000

What is a Stainless Steel Spot Laser Welding Machine?

A Stainless Steel Spot Laser Welding Machine is laser welding equipment specifically designed for stainless steel spot welding applications. It uses high-power-density laser pulses to instantly melt the stainless steel surface within an extremely short time, forming a small and precise circular weld spot. Unlike continuous long welds, spot laser welding features highly concentrated energy and precise “point-to-point” processing, making it suitable for thin metal sheets, precision hardware, electronics, and stainless steel components.

According to different laser output methods, stainless steel laser welding machines are generally divided into pulse laser welding and continuous laser welding systems. Pulse lasers are more suitable for precision spot welding and thin materials, while continuous lasers are commonly used for high-speed, long weld applications. If you want to learn more, you can also read our article: Pulse Laser vs Continuous Laser: What’s the Difference?

Video

Welding Show

  • Precision Positioning and Sealing: Used for “tack welding” of components before formal welding to prevent parts from shifting.
  • Connection of Heat-Sensitive Parts: Processing of ultra-thin stainless steel sheets or precision electronic components without deformation, blackening, or burn-through.
  • Irregular Structure Assembly: Used for narrow spaces where long-distance continuous welding is difficult, or scenarios requiring local strength connections

Types of Stainless Steel Spot Laser Welding Machine

For stainless steel spot laser welding machines, KEMPSON can offer the following models:

Water-Cooled Portable Fiber Laser Welding Machine 1500W/2000W

The water-cooled portable fiber laser welding machine is a laser welding device dedicated to 0.5-3.5mm thin metal plate processing or high-frequency continuous production welding scenarios.

  • Laser Power: 1500W
  • Automatic Wire Feeding: Φ0.8 – 1.6 mm
  • Weld Thickness: 2.5 mm

Air-Cooled Handheld Laser Welding Machine 1500W/2000W

The integrated air-cooled handheld laser welding machine is designed for mobile applications, overcoming the limitations of traditional split-type air-cooled equipment. It is especially suitable for outdoor construction and production environments in narrow spaces.

  • Laser Power: 1200W / 1500W / 2000W
  • Automatic Wire Feeding: Φ0.8 mm – 2.0 mm
  • Welding Thickness: 2.0 – 5.0 mm

Water-Cooled Laser Welding Machine 3000W/4000W

The water-cooled industrial laser welding machine is a high-power laser welding system designed for medium-thick plate or heavy-duty continuous welding applications. It can weld various plates with a thickness of 0.5-12mm.

  • Laser Power: 3000 / 4000W
  • Automatic Wire Feeding: Φ0.8 – 2.0
  • Welding Thickness: 9 – 12 mm

CNC Laser Welding Machine 1100W/1500W/2000W

The CNC laser welding machine is designed for the precise and efficient welding of small metal parts. It is mainly used for welding battery packs, cells, and related components, achieving precise and clean welding results.

  • Laser Power: 1200 / 1500 / 2000W
  • Automatic Wire Feeding: Φ0.8 – 2.0
  • Welding Thickness: 2 – 5 mm

Specifications

All Kempson Stainless Steel Spot Laser Welding Machines can be customized according to specific production needs, material types, and joint requirements to ensure optimal configuration in terms of efficiency, quality, and workflow.

ParameterRangeRemarks / Application
Laser TypeFiber LaserEfficient and stable output
Laser Power1100W – 4000WSelect based on material thickness and production volume
Welding Thickness0.5 – 10 mmDepends on laser power and joint design
Cooling MethodAir-Cooled / Water-CooledAir-cooled for handheld/low-power; Water-cooled for high-power or continuous use.
Operation ModeHandheld / AutomaticManual for flexible workpieces; Automatic for mass production.
Supported MaterialsStainless Steel, Mild Steel, AluminumSuitable for plates, tubes, and metal components
Power Supply220V / 380V, 50/60HzBased on regional requirements
Control SystemDigital InterfacePrecise control of welding speed, power, and weld quality
Warranty3 YearsMachine warranty with global after-sales support

Advantages

High precision, low heat impact, and high efficiency are the advantages of the Stainless Steel Spot Laser Welding Machine, specifically reflected in the following aspects:

Minimal Thermal Distortion, Protecting Original Appearance

Since the laser pulse time is extremely short (millisecond level), the heat is highly concentrated at the center of the weld spot, and the surrounding area hardly heats up. This effectively solves common thin plate welding issues like deformation, discoloration (blackening), and burn-through, maintaining the luster of the stainless steel.

High Welding Precision, Adapting to Tiny Parts

The weld spot diameter can be precisely controlled between 0.1mm – 2.0mm. Through a microscope or CCD monitoring system, welding in narrow spaces for precision electronic parts and medical devices can be easily handled.

Non-Contact Processing, No Pollution

The laser head does not touch the workpiece during the welding process, avoiding physical indentations or impurity pollution caused by traditional electrode welding, ensuring the cleanliness and chemical stability of the stainless steel surface.

Stable Process, Strong Consistency

The digital control system can accurately set the energy, width, and frequency of each pulse, ensuring the specifications of thousands of weld spots are completely consistent, greatly improving the product qualification rate.

The Stainless Steel Spot Laser Welding Machine‘s features of low material damage and high welding precision make up for the deficiencies of traditional welding in fine processing. Using technical means to complete the connection strength and stability of complex precision components enhances the visual beauty of the product.

Application

Electronics and Batteries

Stainless steel middle frames for mobile phones, lithium battery tabs, sensor housings.

Medical devices

Medical Devices

Stainless steel surgical instruments, dental aligners.

Stainless Steel Furniture

Kitchen and Bathroom Hardware

Filter mesh assembly, pre-fixation of handles for high-grade stainless steel vessels.

Stainless Steel Spot Laser Welding Machine Manufacturer and Supplier

Kempson holds CE/ISO/CNAS international certifications, a global supply chain covering 117 countries, and professional OEM/ODM customization capabilities, providing global customers with excellent Stainless Steel Spot Laser Welding Machine solutions. We promise a 3-year machine warranty supplemented by after-sales support in 22 countries, ensuring your production is efficient, stable, and worry-free. Contact us now to start a new chapter in your intelligent production.

  • Technological Leadership: Possessing industry-leading air laser welding technology to achieve gas-free welding, significantly reducing usage costs.
  • Reliable Quality: Core components all adopt globally renowned brands to ensure stable operation of the equipment in high-intensity industrial environments.
  • Simple Operation: Equipped with an independently developed intelligent control system, even beginners can master fine operations in a short time.
  • Comprehensive Functions: Multi-functional design integrating welding, cutting, and cleaning to meet the flexible production demand of one machine for multiple uses.
  • Efficient Service: Providing globalized after-sales support and technical consultation to ensure rapid response to customers’ production line issues.
  • High Cost-Performance: The factory-direct supply model eliminates intermediate links, providing highly competitive pricing solutions from 1500W to 4000W.

FAQs

How thick can the laser welding machine weld stainless steel?

Depending on the power (1500W-3000W), handheld laser welding can typically weld 0.5mm to 8mm stainless steel. For plates over 10mm, it is recommended to use beveling or higher power equipment to achieve full penetration.

Why does the Kempson air laser welding machine not require external shielding gas?

This is our patented technology. The equipment has a built-in high-efficiency purification system that can directly separate and purify the shielding gas required for welding from the air. This not only reduces the cost of purchasing nitrogen or argon but also significantly improves the portability of the device.

Will the stainless steel surface turn black or deform after welding?

No. The laser welding energy is highly concentrated, and the heat-affected zone is extremely small, effectively solving the thermal deformation and oxidative discoloration issues common with traditional TIG welding. The weld is beautiful and usually requires no secondary grinding.

How long does it take for a novice to operate a handheld laser welding machine?

Very fast. Thanks to Kempson’s intelligent control system, an average worker can master basic operations within 30 minutes to 1 hour, with a learning threshold much lower than TIG welding, which requires high technical experience.

What does the 3-year warranty cover?

Kempson provides a 3-year full-machine warranty that exceeds industry standards. This covers the laser, the chiller (or air-cooling system), and the main control circuits. We have support points in 22 countries to ensure worry-free after-sales.

Can the laser welding machine handle cutting and cleaning functions?

Yes. Kempson offers 3-in-1 or 5-in-1 multi-functional models. By changing the nozzle and switching system modes, you can easily transition between welding, cutting, and weld cleaning functions.

How do you provide technical support for the 117 export countries?

We provide support through 24/7 online remote diagnosis and a global maintenance network. The equipment complies with CE and ISO international standards and comes with multi-language operation manuals and video tutorials.

What does OEM/ODM customization include?

We support deep customization from machine exterior color and brand Logo labeling to specific power configurations and automated fixture integration, aiming to provide global B2B customers with exclusive solutions that best fit their production lines.

Looking for Stainless Steel Spot Laser Welding Machine?

Check our Laser Welding Machine

(1100W–4000W).

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