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Laser Welding Aluminum

Mainly for welding of thin-walled materials and parts, spot welding, butt welding, stack welding, seal welding, etc., high depth to width ratio, small weld width, small heat affected zone, small deformation, fast welding speed, flat and beautiful weld seam, no treatment or only simple treatment after welding, high quality weld seam, no porosity, can be effectively controlled, small focusing spot, high positioning accuracy, easy to realize automation.
Product Model: ST-A300/ST-A400/ST-A500/ST-A600
Laser power: 300W/400W/500W/600W
Working area: 600*3000mm

Details       Product Parameters       Samples       Video

laser welding aluminum features-Suntop

Features of laser welding aluminum

1. Equipped with precision X and Y axes, two moving stages and high incremental lifts for manual and automatic focusing.

2. The four-axis triple linkage CNC system can be realized, which is simple and convenient to program, stable and reliable.

3. Adopt different process of laser welding, can weld different products. It can complete automatic or semi-automatic spot welding, butt welding, lap welding, seal welding, as well as complex plane linear, arc and arbitrary trajectory welding.

4. Also equipped with CCD monitoring, integrated infrared sensor, precise positioning, and can observe the welded products at any time.

5. It can be combined with assembly line, photoelectric sensor, pneumatic clamp and other combinations for fully automatic unattended processing.

Details of laser welding aluminum

1. Fiber laser source

Original imported fiber laser generator with a life span of 100,000 hours, good spot quality and stable output power to achieve high quality welding effect.

2. Laser welding head

Continuous precision laser welding is possible with high welding intensity, high precision and high speed.

3. Motion axis

High positioning accuracy, sensitive response, shockproof design, no need to manually move the product, automatic movement for welding.

4. CCD monitoring and positioning system

High-definition CCD display, better observation of the welding process, beautiful solder joints. Industrial computer, control system, welding special software, can guarantee the parameter set, multi-level waveform can be adjusted.

5. Water cooling system

The intelligent dual-temperature dual-control mode provides an effective solution for all-round temperature control of fiber lasers.

Advantages of laser welding aluminum

1. Fast welding speed, spot welding, butt welding, stack welding, seal welding, etc. on metal materials and precision parts.

2. 360° rotating welding, large welding range, flexible welding in difficult positions.

3. High-strength structure of the machine body, stable performance, to meet the 24-hour mass production.

4. High electro-optical efficiency, up to 30% or more, 10 times more than YAG laser, very low energy consumption.

5. Stable performance of the whole machine, service life up to 100,000 hours, high efficiency, energy saving, low cost, maintenance-free.

6. Weld pool depth up to 10mm, smooth and beautiful weld seam, no need for post-weld treatment or just a simple treatment procedure.

Laser welding aluminum application

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

Applied to 3C, medical instruments, electronics, batteries, automobile, hardware, kitchen products and other kinds of metals products high precision laser welding. It's widely used in the cell phone battery metal shells, advertisement industry, glass frame welding, stainless steel frame welding, the keyboard welding, silicon steel welding and stainless steel at welding, furniture and vacuum ,cup, bowl, the door - handle and the spark plugs, filter, grease, a heating tube, support metal tube etc.

Parameters of laser welding aluminum





Pump sources

Two Xe-lamp (imported), Gold plating chamber


300W (400W,500W and 600W optional)

working desk size


Max. single pulse energy


Pulse width


Sequence frequency


Welding spot size


Welding depth


Sequence welding


Observe system

CCD monitor


Red light indication

Cooling system

Water cooling

Repeatability precision


Electricity requirement

12-15KW,three phase

Power supply requirement


Machine total Gross weight (KG)


Machine size

770mm*1350mm*1200mm (L*W*H)

Water chiller size

600 * 880 *1450mm

laser welding aluminum samples-Suntop


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