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Handheld Metal Laser Welding Machine

Laser welding utilizes high-energy laser pulses to locally heat the material in a tiny area, and the energy of the laser radiation spreads to the interior of the material through heat conduction, melting the material and forming a specific molten pool. It is a new type of welding method, mainly for welding thin-walled materials, precision parts, and various metal materials.
Product Model: ST-FW1500H/ST-FW2000H/ST-FW3000H
Laser power: 1500W/2000W/3000W
Single maximum welding thickness: 0.5-8mm
Single maximum welding thickness: 0.5-8mm

Details         Product Parameters         Samples        Video

handheld metal laser welding machine features-Suntop

Features of handheld metal laser welding machine

1. In the welding process, infrared positioning is used for welding position calibration and position verification. This results in more accurate welding positions and more beautiful weld seams.

2. It is equipped with 10m of imported optical fiber, which allows for flexibility and convenience in outdoor and long-distance welding.

3. Suntop's patented technology includes a water circulation protection system and auxiliary gas detection. These effectively prolong the life of the laser lens and prevent damage to optical components caused by improper operation.

4. The hand-held torch is lightweight and delicate, making it easy to operate and enabling welding at any angle.

5. It comes standard with various welding copper nozzles, such as flat, inside, and outside corners. Different nozzles can be replaced to meet different welding needs.

6. It can achieve welding at any angle, stack welding, butt welding, vertical welding, flat angle welding, internal angle welding, external angle welding, etc. This allows for welding of various complex welding seams on workpieces, including larger workpieces with irregular shapes.

Details of handheld metal laser welding machine

1. The laser cleaning head is lightweight, weighing only 0.8KG. It is flexible and convenient for welding any shape of metal parts. The welding seam width is adjustable, and it can carry out welding at a distance of up to 10 meters. It is also equipped with a safety temperature monitoring system.

2. The operation interface features a multi-language intelligent control panel. It allows for flexible adjustment of welding parameters and has a multi-group welding parameter library. It also includes features such as light output cumulative timing.

3. The automatic wire feeding system has a touch screen design. It automatically fills the wire and is fully digital. It supports stainless steel and aluminum wire with diameters of 0.8mm, 1.0mm, 1.2mm, 1.6mm, and 2.0mm.

4. The laser source we use is customized with a minimum core diameter of 20um for deeper penetration. It has a laser life of up to 100,000 hours and is maintenance-free. It also has Bluetooth capability.

5. The water cooler has a double circulation water cooling system, which helps to keep the laser source and weld head cooler. The temperature control sensor uses an imported brand.

6. The welding connection fiber is designed with a built-in 10 meters long fiber optic cable. This design effectively avoids damage to the fiber and problems caused by moisture, greatly improving the service life of the laser device.

handheld metal laser welding machine detail-Suntop

Advantages of handheld metal laser welding machine

1. The operation is flexible and simple, with no technical threshold requirement. General workers can perform the job after a short training, which allows for multi-angle and multi-position welding.

2. The welding seam is smooth and aesthetically pleasing, eliminating the need for secondary or minimal subsequent grinding after welding.

3. Various welding processes are available, including spot welding, seam welding, lap welding, flat welding, inner fillet welding, outer fillet welding, ring welding, overhead welding, etc.

4. The station can be adjusted at any time, eliminating the need for a fixed station. It offers freedom and flexibility, making it suitable for welding in various working environments.

5. The cost of use is low, including power consumption, gas consumption, and lens usage, all of which are low-cost.

6. The affected area of welding is small, preventing deformation and blackening. The welding depth is significant, ensuring strong and sufficient melting.

Other optional functions of handheld metal laser welding machine

Cleaning function

By replacing the laser nozzle and cleaning lens, the material surface cleaning function can be realized, effectively removing rust spots, oxide layers, oil stains, etc. on the material surface without damaging the surface characteristics. It is non-contact and does not require cleaning fluid, so it can replace professional cleaning equipment.

handheld metal laser welding machine cleaning-Suntop

Cutting function

Simple cutting is possible, welding and cutting can be switched freely, just change the welding copper nozzle to the cutting copper nozzle, which is very convenient.

It can cut stainless steel, carbon steel, aluminum, aluminum alloy, iron and other metal sheets with a maximum cutting thickness of about 2mm.

handheld metal laser welding machine cutting-Suntop

Weld bead cleaning function

It can effectively remove oxides, welding slag, oil, dust and other impurities produced during the welding process, making the weld surface clean. This not only helps improve the quality of the weld, but also enhances its strength and appearance. Laser cleaning is highly precise and controllable, thoroughly cleaning the weld surface without damaging the base material.

handheld metal laser welding machine 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.

Welding method

A variety of welding methods: It can realize welding at any angle, such as stack welding, butt welding, vertical welding, flat angle welding, internal angle welding, external angle welding, etc. It can weld all kinds of workpieces with complex weld seams and non-regular shapes of larger workpieces.

handheld metal laser welding machine welding method-Suntop

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 metal laser welding machine









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 metal laser welding machine welding samples-Suntop




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