A 3000W laser welding machine is an industrial welding system that uses a 3000-watt fiber laser to join metal parts with high speed and deep penetration. It is commonly used for welding stainless steel, carbon steel, aluminum, and galvanized steel with material thicknesses ranging from 0.5 mm to 10 mm. Compared with traditional TIG and MIG welding, it produces a smaller heat-affected zone, lower deformation, and cleaner weld seams. A 3000W laser welder is widely used in sheet metal fabrication, machinery manufacturing, metal furniture production, and automated welding applications.













An air-cooled laser welding machine for welding stainless steel, carbon steel, aluminum, and galvanized steel up to medium thickness. It features a compact structure, no external water chiller, and simple installation. Commonly used in sheet metal fabrication, metal furniture, doors and windows, and hardware manufacturing.
A high-power fiber laser welding machine for thicker metal materials and higher production output. It provides deep penetration, fast welding speed, and stable weld quality. Widely used in heavy fabrication, machinery manufacturing, steel structures, automotive components, and industrial metal processing.


A water-cooled laser welding system for continuous production and demanding welding applications. The cooling system supports long operating hours and stable laser output. Suitable for stainless steel products, machinery parts, electrical cabinets, metal fabrication workshops, and industrial manufacturing lines.
A CNC laser welding platform for automated welding of repetitive and precision parts. It offers accurate positioning, consistent weld quality, and reduced manual operation. Commonly used for metal enclosures, automotive parts, hardware products, kitchen equipment, and batch production applications.

| Parameter | Air Laser Welding Machine | 4000W Laser Welding Machine | Water Cooling Industrial Laser Welding Machine | CNC Laser Welding Machine Platform |
|---|---|---|---|---|
| Model | KPS-ALW3000 | KPS-DALW3000 | KPS-XLHW3000 | KPS-PASC2000* |
| Laser Power | 3000W | 3000W × 2 | 3000W | 2000W |
| Stainless Steel Thickness | 9 mm | 9 mm | 9 mm | 5.0 mm |
| Carbon Steel Thickness | 10 mm | 10 mm | 10 mm | 5.5 mm |
| Aluminum Thickness | 8.5 mm | 8.5 mm | 8.5 mm | 4.5 mm |
| Wire Diameter | Φ0.8–2.0 mm | Φ0.8–2.0 mm | Φ0.8–2.0 mm | Φ0.8–1.6 mm |
| Wire Feeding Mode | Automatic, Single/Double/Triple Wire | Automatic Wire Feeding | Automatic, Single/Double Wire | Automatic Wire Feeding |
| Weld Bead Width | 1.5–8.0 mm | — | Up to 8.0 mm | 1.5–6.0 mm |
| Power Consumption | ≤3 kW | ≤6 kW | ≤3 kW | ≤3.5 kW |
| Cooling Method | Built-in Water Cooling | Built-in Water Cooling | Built-in Water Cooling | External Chiller |
| Power Supply | 380V | 380V | 380V | 220V / 380V Optional |
| Dimensions | 1.3 × 1.05 × 1.15 m | 1.2 × 1.3 × 1.3 m | 0.7 × 1.1 × 1.3 m | 1.5 × 1.2 × 1.0 m |
| Weight | ≈410 kg | ≈720 kg | ≈235 kg | ≈210 kg |
| Special Feature | Self-Generated 99.99% Argon-Nitrogen Gas | Dual Laser System | 24-Hour Continuous Welding | X/Y/Z CNC Motion Platform |

Our 3000W laser welding machine can be equipped with a high-purity nitrogen generator upon customer request, producing argon-nitrogen inert shielding gas with a purity as high as 99.99%. (Understanding the Role of Welding Shielding Gas: Do Laser Welders Need Gas?)We offer global after-sales support covering 22 countries and regions, with spare parts sold at factory prices without any additional profit. All equipment is sold directly from the factory, ensuring reliable performance and highly competitive pricing. Distributors and buyers are welcome to contact us for quotations and further information.
Kempson laser welding gun features a multi-rotor protection design, high-temperature alarms, and splash-proof components that reduce lens and nozzle consumption during welding and support long operating hours. lowering maintenance and consumable costs.







Welding of body structural parts, brackets, exhaust systems, and chassis components.

Welding of cabinet enclosures, equipment frames, boxes, and extrusions.

Welding of structural supports, stiffeners, and medium-thick plate connections.

Welding of angle steel, gusset plates, supports, and assembly joints.

Batch welding and forming of housings, brackets, and hardware components

Joining and fillet welding of aluminum alloy and stainless steel profiles.
A 3000W laser welding machine typically costs between $5,500 and $22,286+. The final price depends on the machine type, laser configuration, cooling system, and automation level.
Handheld laser welders have a lower purchase cost. CNC welding platforms and automated welding systems include motion control components and have higher equipment costs.
Air-cooled and water-cooled machines use different structures and configurations. Water-cooled models are often selected for thicker materials and longer operating hours.
Functions such as automatic wire feeding, dual-wire welding, oscillation welding, and laser cleaning increase equipment cost.
Material type, welding thickness, daily output, and working hours all influence machine selection and project cost.
The lowest price is not always the best option. Machine selection should match material thickness, production volume, and welding process requirements.
For detailed pricing, configuration comparisons, and purchasing information, read: Laser Welding Machine Price
Kempson Laser is a professional laser welding machine manufacturer with a dedicated R&D team. Committed to technological innovation as its foundation, the company specializes in developing and manufacturing laser welding solutions. Investing over 30% of its annual revenue into R&D, Kempson has secured more than 30 core patents and obtained international certifications including ISO9001, CE, and FDA.
Kempson maintains a comprehensive service network with after-sales service centers in over 20 countries worldwide, providing customers with thorough after-sales support. Every laser equipment unit comes with a 3-year full warranty. If you are interested in our water-cooled laser welding machines, please contact us. We will provide the most suitable customized solutions based on your requirements.


Typically suitable for welding metals within the 0.5–12mm range. Air-cooled laser welding is ideal for medium-thin sheets (0.5–10mm), enabling high-speed, low-distortion welding. Water-cooled laser welders are suited for medium-thick sheets (0.5–12mm), providing a stable molten pool and greater welding allowance. Specific weldable thicknesses also depend on material type, welding method, and wire feeding configuration.
Air laser welding integrates an inert gas self-generation system, eliminating the need for an external gas source. It offers flexible deployment and low operating costs, making it suitable for medium-thin plates and multi-station applications. Water-cooled laser welding is ideal for thick plate welding and high-load, long-duration continuous production in standardized industrial environments.
This depends on the equipment type. Kempson’s 3000W air laser welder incorporates an internal inert gas self-generation system with 99.99% purity, eliminating the need for external gas cylinders. Certain water-cooled laser welding solutions may optionally use external high-purity gas or configure a gas generator based on process requirements.
It supports single-wire, dual-wire, and triple-wire feeding modes. Multi-wire configurations enable wider weld beads and greater build-up heights, making them suitable for filling welds on medium-to-thick plates and structural component welding. This enhances welding efficiency and joint strength.
Compared to MIG, TIG, or arc welding, this equipment delivers advantages including minimal heat-affected zones, narrow welds, low distortion, and reduced spatter. It also minimizes post-weld grinding, correction, and rework processes, boosting overall production efficiency.
Overall maintenance costs are relatively low. Routine maintenance primarily involves inspecting optical protective lenses, checking the water cooling system, and basic cleaning. Compared to traditional welding equipment, it has fewer wear parts and higher stability, resulting in controllable long-term operating costs.
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