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Handheld Laser Welding

Suntop handheld laser welding machine, using the latest generation of fiber laser, configured with self-developed WOBBLE welding head, to fill the gaps in the laser equipment industry handheld welding, with simple operation, weld seam beautiful, fast welding speed, no consumables advantages, welding in the thin stainless steel plate, iron plate, galvanized plate and other metal materials, can be a perfect replacement for the traditional argon arc welding, electric welding and other processes.
Product Model: ST-FW1500H/ST-FW2000H/ST-FW3000H
Laser power: 1500W/2000W/3000W
Single maximum welding thickness: 0.5-8mm

Details         Product Parameters         Samples        Video

handheld laser welding features-Suntop

Features of handheld laser welding

1. Infrared positioning is used to check and verify the position of the welding head during welding, resulting in more accurate welding positions and more beautiful weld seams.

2. The self-developed oscillating welding head compensates for the small laser spot's limitation, expanding the tolerance range of the workpiece and the width of the weld, resulting in a better welding effect.

3. The wire feeder utilizes a touch capacitive screen, ensuring high precision wire feeding. With a 220V drive, it provides more powerful wire feeding and prevents wire jamming.

4. It is equipped with a 10m imported optical fiber, overcoming the limitation of table space and allowing for flexible and convenient outdoor and long-distance welding.

5. It features a double protection function for the water circuit and air circuit (patented technology), effectively preventing damage to the laser lens or optical components caused by operator misoperation. This significantly reduces the machine's failure rate and prolongs its service life, as well as the life of the consumables.

6. Various standard welding copper nozzles, such as straight angle, inner angle, and outer angle, are included. Different nozzles can be replaced according to specific welding needs, ensuring versatility for various welding requirements.

Details of handheld laser welding

1. Laser cleaning head

Light weight only 0.8KG, flexible and convenient to weld any shape of metal parts, adjustable welding seam width, can carry out 10 meters long distance welding. Equipped with safety temperature monitoring system.

2. Operation interface

Multi-language intelligent control panel, flexible adjustment of welding parameters, multi-group welding parameter library, light output cumulative timing, etc.

3. Automatic wire feeding system

Touch screen design, automatic wire filling, fully digital design, supporting stainless steel and aluminum wire of 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm diameter.

4. Laser Source

We use customized fiber with minimum core diameter of 20um for deeper penetration, laser life up to 100,000 hours, maintenance-free, with Bluetooth capability.

5. Water Cooler

Double circulation water cooling makes the laser source and weld head cooler, temperature control sensor adopts imported brand.

6. Welding connection fiber

10 meters long fiber optic cable built-in design, effectively avoid damage to the fiber and the problems caused by moisture, greatly improving the service life of the laser device.

handheld laser welding features-Suntop welding-Suntop detail-Suntop

Advantages of handheld laser welding

1. Welding speed is 2-3 times faster than traditional welding speed. It can help you save at least two welders per year.

2. Laser welding consumes less material and has a long life.

3. Easy to operate, no welding operation license is required, novice welders can also weld beautiful products.

4. Smooth and beautiful welded seams, reducing the subsequent grinding process, saving time and cost.

5. No deformation, no welding marks, solid welding.

6. The self-developed oscillating welding head makes up for the shortcomings of small laser spot, enlarges the tolerance range of the processed parts and the width of the weld seam, and obtains better weld seam shaping effect.

The main use of handheld laser welding

1. Welding

The main purpose of the laser welding machine is undoubtedly welding, welding almost all metal materials, welding in a variety of complex environments can be well completed welding, high productivity, more obvious advantages than the traditional argon arc welding, electric welding and other processes. Welding, high productivity, more obvious advantages than the traditional argon arc welding, electric welding and other processes.

With the laser welding machine, the weld width is small, the depth is large, the thermal shock area is small, the deformation is small, the weld is flat and beautiful, the welding quality is high, no air holes, can be precisely controlled, the welding quality is stable, and there is no need to deal with it after welding or it can be simply dealt with.

handheld laser welding features-Suntop welding-Suntop

2. Cleaning

With the continuous reform and replacement of the laser welding machine, more and more functions, not only welding and cutting, but also cleaning and rust removal, laser welding machine using the laser beam emitted, so that the surface of the workpiece to be processed by the elimination of the contamination layer. The use of laser welding machine for cleaning, with no contact characteristics, do not need cleaning fluid, can replace the professional cleaning equipment.

handheld laser welding features-Suntop cleaning-Suntop

3. Cutting

Laser cutting is a new type of cutting, the use of laser welding machine can cut stainless steel, carbon steel, aluminum, aluminum alloy, iron and other metal sheet, the maximum cutting thickness of about 2mm.

handheld laser welding features-Suntop cutting-Suntop

4. Welding seam cleaning

In addition to the above three functions, our laser welding machine can also clean the weld seam. Through laser cleaning, it can effectively remove oxides, welding slag, oil, dust and other impurities generated during the welding process, making the surface of the weld seam clean. This not only helps to improve the quality of the weld, but also enhances the strength and appearance of the weld. Laser cleaning is highly accurate and controllable, allowing the weld surface to be thoroughly cleaned without damaging the base metal.

handheld laser welding features-Suntop welding seam cleaning-Suntop

Single side weld thickness

Maximum melting




Stainless steel   (mm)




Mild steel (mm)




Aluminum (mm)




Brass/copper (mm)




Galvanized sheet   (mm)




Iron (mm)




Remark: Double weld thickness can be achieved if the material is welded from both sides in two times.

Application materials

It can be used for welding stainless steel, carbon steel, copper, aluminum, gold, chromium, silver, titanium, nickel and other metals or alloys. It can also be used for various welding between different materials, including copper – brass, titanium-molybdenum, titanium- gold, nickel-copper, etc.

Application industry

Widely used in sheet metal processing, chassis, water tanks, distribution boxes and other cabinets, door and window guardrails, advertising signs, battery components, steel furniture, electronic appliances, metal molds, auto parts, instruments, mobile communications, medical equipment and other industries.

Parameters of handheld laser welding









Welding   gun weight




Max.   welding thickness (mm)




Max. welding   seam width (mm)




Laser type

Fiber laser   (Suntop custom 20um welding exclusive)

Laser detection method

Bluetooth wireless   connection, Mobile App Monitoring

Control panel language support

English,   Spanish, German, French, Turkish, Italian, Russian,

Vietnamese, Thai, Korean, Japanese, etc.

Laser wavelength (nm)


Suitable welding materials

Carbon   steel, stainless steel, aluminum, galvanized sheet metal,

brass, iron and other metal materials

Adapted welding methods

Spot   welding, overlap welding, splice welding, fillet welding,

lap welding etc.

Laser power adjustment range (%)


Cooling method

Advanced   water-cooling, dual temperature control and automatic


Welding aiming preview method

Built-in Red-Light pointer

Protection systems

Air pressure sensor and solenoid valve   control

Length of fiber optic cable (meter)

Standard 10 (can be customized 15)

Welding shielding gas

Argon or nitrogen (air pressure approx. 6-8   bar)

Working environment

Temperature 5-45 °C /humidity 10-90%

Other   optional support functions

Cleaning   + cutting

Cleaning   + cutting

Cleaning   + cutting + weld bead cleaning

Max.   Cutting thickness (mm)




Max. cleaning width (mm)




Automatic wire   feeder type

(Universal   with TIG wire)

Single wire feed

Single wire feed

Support both the double wire feed and single wire feed

Solid wire type (SS, Iron, AL, Brass)

0.8, 1.0, 1.2, 1.6

0.8, 1.0, 1.2, 1.6

0.8, 1.0, 1.2, 1.6, 2.0, 2.5

Temperature control monitoring alarm




Main machine consumables

Laser protective lenes, welding nozzles, welding wires

Machine size (MM)




Machine net weight (KG)




Power supply requirement

110V / 220V±10%, single phase

380V±10%, three phase

Total power consumption (Maximum)




handheld laser welding samples-Suntop





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