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Diy Welding Project 1.5 Kw

The handheld laser welding machine, using the new generation of fiber laser, fills the blank of handheld welding in the laser equipment industry, with the advantages of simple operation, beautiful welds, fast welding speed and no consumables. It can perfectly replace the traditional argon arc welding and electric welding process in thin stainless steel plate, iron plate, aluminum plate and other metal materials.
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

diy welding project 1.5 kw features-Suntop

Features of diy welding project 1.5 kw

1. The self-developed handheld welding head has various safety alarm devices and is easy and flexible to operate.

2. The focused light spot is small, which can accurately control and accurately locate, and is easy to realize automation.

3. It can be used for spot welding, butt welding, overlap welding and sealing welding.

4. It is equipped with double protection functions of water and air (patented technology), which can effectively avoid the damage of laser lens or optical components caused by misoperation of operators, thus greatly reducing the failure rate of the machine and effectively prolonging the service life of consumables.

5. The machine has multiple safety alarm functions. The switch of the welding copper nozzle is only effective when it touches the metal and the safety clip clamps the metal plate. After the welding copper nozzle moves away from the workpiece, the light will be automatically locked. The machine has high safety, which can guarantee the absolute safety of the operator during the work.

Details of diy welding project 1.5 kw

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.

diy welding project 1.5 kw detail-Suntop

Advantages of diy welding project 1.5 kw

1. The whole machine has an integrated structure design, the equipment occupies a small space, and is equipped with large swivel casters, making it easy to carry and transport.

2. The welding speed is fast and the efficiency is high, which is 5-10 times that of traditional argon arc welding. It saves labor and reduces processing costs by about 30%.

3. Interactive human-machine interface, easy to operate, no professional welder required, ordinary people can easily master it in half an hour.

4. It has the advantages of strong anti-reflection ability, high thin plate welding efficiency, thick plate penetration without spatter, maintenance-free, and wide operation and frequency modulation range.

5. Emphasis on safety, non-direct radiation, low radiation, no harm to the human body, only protective glasses are needed to filter the strong light.

6. Concentrated energy, small heat-affected zone, no deformation, no blackening, large welding depth, firm welding, fine and beautiful welds without bubbles, and no need for polishing.

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.

Automatic wire feeder

diy welding project 1.5 kw detail-Suntop wire feeder-Suntop

● Our wire feeder with touch capacitive screen, high precision wire feeder.

● 220V drive, more powerful wire feeding, no wire jamming.

Suntop wire feeder specifications

Wire feeding type


Wire feed delivery length

3m/5m optional (9.8ft/16.4ft)


Low voltage enable signal line

Wire feeding speed range

40-600 cm/min (15- 230 ipm)

Compatible wire diameter

0.8 mm (0.031 inch), 1.0 mm (0.039 inch), 1.2 mm   (0.047 inch), 1.6 mm (0.063 inch), 1.8 mm (0.071 inch), 2.0 mm (0.079 inch)

Wire reel capacity

1 kg (2 lbs), 5 kg (10 lbs) or 10 kg (25 lbs) by   shaft change

Compatible wire materials

Steel, stainless steel, aluminum

Power requirement

220V 50/60Hz

Wire feed unit weight

22 kg (48.4 lb)

Wire feeder unit dimensions (L*W*H)

560mm (22.0 inches) x 250mm (9.8 inches) x 360mm   (14.2 inches)

Safety features

ST-FW1500H/2000H/3000H is a Class IV laser system and routine precautions are required for the safe operation of the equipment.

Built-in features include:

● Key switch control of laser source and Emergency-stop button ensure deliberate operation.

● Fiber laser interlock verifies integrity of laser delivery to the welding gun.

● Laser weld gun trigger, enable and then fire, for intentional operation.

● Part contact electrical interlock turns off the laser power if the welding head is not in contact with the welded parts.

Operators must wear all recommended personal protective equipment (PPE), including laser safety glasses, laser and heat resistant gloves, hats, leather aprons, etc., and other laser and heat resistant clothing.

Application materials

Suitable for stainless steel, carbon steel, copper, aluminum, gold, silver, chromium, nickel, titanium and many other metals and alloys; also can be used for welding between a variety of dissimilar materials.

Application industry

Suitable for all kinds of sheet metal, moulds, chassis, power distribution cabinets, kitchen and bathroom products, all kinds of hardware lighting, advertising signs, door and window frames, handicrafts, household products, food machinery, medical equipment, auto parts and other industries.

Parameters of diy welding project 1.5 kw









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)




diy welding project 1.5 kw samples-Suntop





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