K4 Air-cooled Handheld Fiber Laser Welding Machine
Product Overview
The LNX-K4 is a 1600W air-cooled handheld fiber laser welder designed for professional workshops, metal fabricators, and manufacturers handling deep-penetration and high-throughput welding applications.
It welds stainless steel, aluminum, and carbon steel with a rated welding depth of up to 4 mm. The air-cooled design requires no separate water chiller, while continuous, pulse, and fish scale welding modes provide flexible options for different fabrication requirements.
The K4 features a BWS20 welding gun, 0.8–1.6 mm single-wire or 1.2–1.6 mm dual-wire feeding, a 20 μm fiber core, and a welding speed of 10–30 mm/s. It is suitable for pressure vessels, heavy machinery, structural fabrication, automotive components, pipelines, shipbuilding, metal furniture, and other heavy-duty fabrication applications.
Key Features
1600W Air-Cooled System — High output for deep-penetration welding applications up to 4 mm.
Single & Dual-Wire Feeding — Supports flexible filler wire configurations from 0.8–1.6 mm.
Fish Scale Welding — Supports controlled weld patterns with welding widths up to 8 mm.
The LNX-K4 is a practical choice for businesses seeking a high-output laser welding solution with flexible wire feeding and fish scale welding capability for heavy fabrication.
Technical Specifications
Application Areas
The LNX- K4 Handheld Laser Welder is purpose-built for ultra-heavy industrial welding applications requiring maximum power and penetration depth. Ideal applications include: heavy-gauge stainless steel tank and pressure vessel manufacturing, thick aluminum alloy structural framework welding, carbon steel heavy machinery and equipment fabrication, automotive chassis and frame assembly, industrial pipeline and conduit construction, shipbuilding hull plate welding, bridge and infrastructure metalwork, metal furniture and architectural fixture manufacturing for commercial spaces, and any application requiring deep penetration welding up to 4mm on ferrous and non-ferrous metals at production-line speeds.
Note: The LNX- K4 represents the pinnacle of the K-series handheld laser welders, With a power output of 1600W, it is perfectly suited for various welding scenarios.. With 4mm welding depth capability, dual-wire feeding support (1.2-1.6mm), fish-scale welding mode, and the fastest welding speeds (10-30mm/s), the LNX- K4 is engineered for high-volume heavy fabrication. The upgraded 20um fiber core diameter and advanced BWS20 welding gun ensure superior beam quality for deep penetration welding on thick materials, all within a remarkably compact footprint.
Technical Resources
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