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Tactile Laser Welding

The newly developed handheld laser welding machine optimizes the wire feeding function, reducing wire feeding jams and lens burn. And a double-layer protective lens is added to ensure the safety of the focusing lens. The laser intensity has been increased by 20%, the body is smaller and the weight of the whole machine is lighter.
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

tactile laser welding features-Suntop

Features of tactile laser welding

1. Infrared positioning is utilized for calibrating and verifying the welding position in the welding process, resulting in increased accuracy and a more aesthetically pleasing welding seam.

2. The beam quality is excellent, allowing for precise control and creating fine weld joints. It has a small focusing spot, enabling high-precision positioning and facilitating automation.

3. The wire feeder features a high-precision touch capacitive screen, operates on a 220V drive, and provides automatic wire feed. It offers a more powerful wire feed and prevents wire jamming.

4. Our self-developed handheld welding head is equipped with various safety alarm devices, ensuring easy and flexible operation.

5. We offer a range of welding copper nozzles to cater to different needs, including external welding, internal welding, right angle welding, narrow edge welding, and large spot welding. Customers can select the appropriate welding copper nozzle for their specific requirements.

6. Suntop's patented technology water circulation protection system and auxiliary gas detection effectively prolong the lifespan of the laser lens. It also prevents damage to optical components caused by improper operation.

Details of tactile laser welding

1. Laser welding 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.

tactile laser welding detail-Suntop

Advantages of tactile laser welding

1. The machine parts have an ergonomic design, a more reasonable structure, are dustproof, have good heat dissipation, and effectively prolong the service life.

2. The weld seam is flat, beautiful, and free of pores, reducing and optimizing base metal impurities. The structure can be refined after welding, and the strength and toughness of the weld seam are at least equal to or even exceed that of the base metal.

3. A wide range of welding materials allows for welding between dissimilar materials. It has a high depth-to-width ratio, small weld width, small heat-affected zone, small deformation, and requires less secondary processing.

4. The welding speed is fast, 5-10 times faster than traditional argon arc welding, resulting in a reduction of about 30% in processing costs.

5. The interactive human-machine interface makes it easy to operate, and no professional welders are required. Ordinary people can easily master it in half an hour.

6. It has a high anti-reflection ability, high efficiency for thin plate welding, deep penetration of thick plate without spatter, requires no maintenance, and has a wide operation and frequency modulation range.

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.

Other optional functions

Cutting: Welding and cutting are often inseparable. Laser welding machines combine the functions of the two. Laser welding machines can be used to laser cut metal materials, such as copper plates, aluminum plates, stainless steel plates, carbon steel plates, galvanized plates, etc. Meet the cutting needs of conventional thin plates.

tactile laser welding cutting-Suntop

Cleaning: Cleaning with a laser welding machine is easy and flexible, and can remove rust, oxides, grease, dirt, etc. on the surface of various workpieces. When using a handheld laser welding machine for cleaning, it is necessary to avoid harm to the human body caused by the laser beam.

tactile laser welding cleaning-Suntop

Weld bead cleaning: 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.

tactile laser welding welding seam cleaning-Suntop

Welding method

A wide range of welding methods are available for welding at any angle, including overlay, butt, vertical, fillet, internal, external, etc. These methods can be used for a variety of workpieces, including complex welds and irregularly shaped workpieces, especially larger ones. These methods can be used to weld a wide variety of workpieces, including complex weld seams and irregularly shaped workpieces, especially larger workpieces.

tactile laser welding 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 tactile 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)




tactile laser welding samples-Suntop





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