F4 Air-cooled Handheld Fiber Laser Welding Machine

Product Overview

The LNX-F4 is a 1600W air-cooled handheld fiber laser welder designed for metal fabricators, professional workshops, and manufacturers handling deeper and higher-volume 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 and pulse modes support flexible welding applications.

The F4 features a DWT22X-1 welding gun, 0.8–1.6 mm single-wire or 1.2–1.6 mm dual-wire feeding, and a welding speed of 10–30 mm/s, making it suitable for heavy machinery, industrial equipment, structural fabrication, automotive components, pipelines, and general heavy fabrication.

Key Features

1600W Air-Cooled System — High output for deeper-welding applications.
Single & Dual-Wire Feeding — Supports flexible filler wire configurations.
10–30 mm/s Welding Speed — Designed for higher-throughput welding applications.

The LNX-F4 is a practical choice for businesses seeking a high-output laser welding solution for deep-penetration fabrication and heavy-duty production.

Technical Specifications

Parameter Specification
Model No. LNX- F4
Rated Output Power 1600W
Welding Gun DWT22X-1
Wire Feeder Single-wire
Software Functions Continuous / Pulse
Wire Feeding Range Single 0.8-1.6 / Dual 1.2-1.6mm
Welding Speed 10-30mm/s
Function Description Welding within 4mm width
Common Welding Materials Stainless Steel / Aluminum / Carbon Steel
Power Consumption 1.0 kWh/hour
Fiber Interface Type MiniQBH
Operating Temperature -40°C to 45°C
Wavelength Range 1080±10nm
Fiber Core Diameter 20μm
Output Fiber Length 5m
Welding Depth 4mm
Power Supply AC220V 50/60Hz
Cooling Method Air-cooled
Total Power Consumption ≤4800W
Dimensions 547mm × 319mm × 640mm
Weight ≤55kg

Application Areas

The LNX- F4 Handheld Laser Welder is purpose-built for 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- F4 represents the ultimate industrial-grade handheld laser welder in the F-series, delivering 100% more power than the LNX- F2 and 3.6x the power of the LNX- F1. With 4mm welding depth capability, dual-wire feeding support (1.2-1.6mm), and the fastest welding speeds (10-30mm/s), the LNX- F4 is engineered for high-volume heavy fabrication where maximum penetration and productivity are critical. The upgraded 20um fiber core diameter ensures superior beam quality for deep penetration welding on thick materials.

Technical Resources

Not sure which machine fits your workshop? Explore our laser welding guides and industry insights to make the right choice.

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