2KW 5-in-1 Handheld Laser Welding Machine

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Portable Multi-Function Laser Welder

This portable multi-function laser welder combines welding, cutting, rust removal and weld seam cleaning in one unit. It delivers stable processing results for stainless steel, carbon steel and aluminum with low deformation and easy operation, ideal for various metal fabrication jobs.
※ Product Model: ST-FW1500H/ST-FW2000H/ST-FW3000H
※ Laser power: 1500W/2000W/3000W
※ Single maximum welding thickness: 0.5-8mm

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This portable, multifunctional 5-in-1 laser welding machine integrates five key functions—standard welding, energy-storage welding, cutting, rust/oxide cleaning, and weld seam cleaning—into a single unit, replacing multiple pieces of equipment and significantly reducing procurement costs and space requirements. Its flexible, handheld design handles various metals such as stainless steel, carbon steel, and aluminum alloys, making it ideal for applications ranging from sheet metal fabrication and hardware manufacturing to engineering maintenance.

The machine minimizes thermal deformation, produces aesthetically pleasing weld seams, and reduces the need for post-weld grinding. The energy-storage welding mode is optimized for thin sheets and deformation-prone workpieces, effectively preventing burn-through; the laser cleaning function rapidly removes rust, oxide layers, and oil stains, while the weld seam cleaning feature eliminates weld discoloration, enabling a one-stop solution for metal welding and surface treatment.

With a compact structure that facilitates easy transport and a low learning curve—allowing operators to start production after minimal training—this machine is an excellent choice for small-to-medium-sized processing plants and engineering maintenance sites looking to boost processing efficiency.

True 5-in-1 Function

● Welding

Laser welding has fast speed, small weld width and depth, small thermal shock area, small deformation, smooth and beautiful weld, high welding quality, no pores, accurate control, stable welding quality, no need for treatment or simple treatment after welding.

It can realize welding at any angle, suitable for welding of planes, straight lines, arcs and any shapes, and can complete welding well in various complex environments. It has high production efficiency and has more obvious advantages than traditional argon arc welding, electric welding and other processes.

● Cleaning

By replacing the laser nozzle and cleaning lens, the material surface cleaning function can be realized, and the rust, oxide layer, oil stains, etc. on the surface of the material can be effectively removed without destroying the surface characteristics. It has the characteristics of non-contact, does not require cleaning fluid, and can replace professional cleaning equipment.

● Cutting

Simple cutting can be performed, 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.

● Weld cleaning

It can effectively remove impurities such as oxides, welding slag, oil, dust, etc. generated during welding, making the weld surface clean. This not only helps to improve the quality of the weld, but also enhances the strength and appearance of the weld. Laser cleaning has high precision and controllability, and can thoroughly clean the weld surface without damaging the parent material.

● Energy Storage Welding

It can effectively handle welding tasks with high energy demands, ensuring welding quality and consistency. Because it can release a large amount of energy in a short time, energy storage welding is suitable for processing various metal materials, especially in applications requiring high-strength and precision welding.

Product Technical Features

1. One machine with four functions: rapid switching between four modes: Energy storage welding, cleaning, welding, cutting and weld cleaning.

2. The handheld welding gun replaces the previous fixed light path, which is more flexible and convenient, enables long-distance laser welding, and overcomes the limitations of the workbench travel space.

3. The handheld welding head is light and flexible, easy to operate, and can meet welding at various angles and positions.

4. Use infrared positioning for welding head position calibration and position verification during welding to ensure a more beautiful weld.

5. It has the dual protection function of water path and air path (patented technology), which effectively avoids damage to the laser lens or optical components due to operator misoperation, thus greatly reducing the machine failure rate and effectively extending the service life of the machine. The life of consumables.

6. Use infrared positioning to verify the position of the welding head during the welding process. The welding position is more accurate, the welding seam is smooth and beautiful, and it is easy to grind and polish. No post-welding treatment is required or only simple processing is required.

7. Suntop Laser Cleaning Machine is subjected to strict tests and continuous 24-hour laser beam output before leaving our factory to ensure 100% machine stability.

Advantages of Laser Welding Machine

1. Five-in-One Functionality

Integrates five modes—standard welding, energy-storage welding, cutting, laser cleaning, and weld seam cleaning—into a single unit. This versatility reduces the need for multiple machines and saves factory floor space.

2. Energy-Storage Welding Mode for Stable Thin-Sheet Processing

Features a specialized energy-storage welding process optimized for thin metal workpieces; it effectively lowers heat input to minimize burn-through and deformation, making it ideal for precision thin-sheet welding.

3. Excellent Welding Quality with Reduced Post-Processing

Produces smooth, aesthetically pleasing weld seams with a minimal heat-affected zone. The integrated weld seam cleaning function quickly removes oxidation and discoloration, significantly reducing the need for grinding and polishing.

4. Powerful Laser Cleaning Capability

Efficiently removes rust, oxide layers, oil, and coatings from metal surfaces. As a non-contact process, it leaves the base material undamaged and meets pre-welding preparation requirements.

5. Flexible Handheld Operation

Equipped with a lightweight handheld welding gun, the system is not restricted by workpiece positioning, making it suitable for large workpieces, on-site outdoor repairs, and the processing of complex, irregularly shaped components.

6. Compatible with Various Metals

Supports common metals such as carbon steel, stainless steel, aluminum alloy, and galvanized sheet; suitable for industries including sheet metal fabrication, hardware manufacturing, construction machinery, and door/window production.

7. Simple Operation and Quick Learning Curve

Features an intuitive user interface and easy parameter adjustment; operators can get up to speed with minimal training, reducing labor-related learning costs.

FAQ

1. How can i place an order?

Please provide the details of your requirements as clear as possible. So we can send you the offer at the first time.

For further discussion, it is better to contact us with WhatsApp / WeChat / email / phone, in case of any delays.

2. What kind of display we provide?

We have laser marking machine / laser welding machine / laser cutting machine / laser cleaning / CO2 laser cutting and engraving machine / laser accessories for you choose.

3. How about the warranty?

We have 2 years warranty and lifelong maintenance.

4. What is your terms of delivery?

We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the one which is the most convenient or cost effective for you.

5. What functions does this 5-in-1 laser welder support?

It integrates standard welding, energy storage welding, cutting, surface cleaning, and weld seam cleaning in one machine. It realizes full-process metal processing from cutting, welding to post-weld cleaning.

6. What is the advantage of energy storage welding mode?

Energy storage welding adopts low heat-input technology, which effectively prevents thin metal sheets from burning through and deformation. It is perfect for precision welding of thin stainless steel, aluminum and galvanized sheets.

7. Does the laser welding leave ugly weld marks?

No. The machine provides smooth and narrow weld seams with minimal deformation. Equipped with a dedicated weld cleaning function, it can remove welding black oxide and scorch marks, greatly reducing polishing work.

8. Is this machine easy to operate for new workers?

Yes. The handheld design and intelligent system make operation simple. Workers can master the operation after short training, no professional welding experience required.

9. What cleaning effects can the laser cleaning mode achieve?

It can efficiently remove rust, oxide layer, oil stains, paint and dirt on metal surfaces. Non-contact cleaning will not damage the base material.

10. Is the portable laser welder suitable for outdoor and on-site work?

A: Absolutely. Lightweight handheld design, flexible movement, suitable for on-site installation, engineering repair and large workpiece processing.

| Welding Capacity (Material/Thickness)

Single side weld thickness

Maximum melting	1500W	2000W	3000W
Stainless steel (mm)	0.5-4	0.5-5/6	0.5-7
Mild steel (mm)	0.5-4	0.5-6	0.5-7/8
Aluminum (mm)	0.5-3	0.5-4	0.5-6
Brass/copper (mm)	0.5-1.5	0.5-2	0.5-3
Galvanized sheet (mm)	0.5-3	0.5-4	0.5-6
Iron (mm)	0.5-4	0.5-6	0.5-7/8

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

| Product Specification

Model	ST-FW1500H	ST-FW2000H	ST-FW300H
Power	1500W	2000W	3000W
Welding gun weight	0.8	0.8	0.75
Max. welding thickness (mm)	≤3	≤5	≤8
Max. welding seam width (mm)	5	5	8
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)	1064+5
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 (%)	10-100
Cooling method	Advanced water-cooling, dual temperature control and automatic control
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)	1.2	1.5	2
Max. cleaning width (mm)	40	40	120
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	Yes	Yes	Yes
Main machine consumables	Laser protective lenes, welding nozzles, welding wires
Machine size (MM)	686425611	75010801000	75010801000
Machine net weight (KG)	110	220	240
Power supply requirement	110V / 220V±10%, single phase		380V±10%, three phase
Total power consumption (Maximum)	3500W	4500W	7000W