Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of large format fiber laser cutting machine in China. Please feel free to buy CE approved machinery made in China here from our factory. All customized machines are with high quality and competitive price.

What Is a Large Format Fiber Laser Cutting Machine?

A large format fiber laser cutting machine is a gantry-style CNC system built for cutting oversized metal sheets, usually 3 to 6 meters wide and up to 12 meters or more. It features a fiber laser source, channeled via a fiber optic cable to a cutting head that moves on a gantry spanning the metal's width. A CNC controller automatically handles movement, laser power, gas, and focus. The 'large format' description applies to both the machine's dimensions and its cutting area. It's constructed with a segmented frame and an elevated beam. The frame, welded from structural steel, undergoes heat treatment (around 600°C, followed by slow cooling) to relieve stress from welding. The cutting size can be tailored to user needs, with some setups accommodating up to 12,000mm x 3,000mm.

Large Format vs. Standard Format: What's the Difference?

The difference is not just the working area. Large format machines are built differently because of the scale.

The frame - A 6-meter bed cannot be built the same way as a 2-meter bed. The frame must be stiffer to prevent deflection under the weight of the plate. The segmented frame design allows for longer beds while maintaining structural integrity.

The gantry - The gantry travels on precision linear guide rails mounted on machined surfaces. The split-type elevated beam design ensures guide rail installation accuracy and transmission stability. The Z-axis can move independently or in linkage with the X and Y axes to precisely control the vertical movement of the cutting head.

The drive system - The electrical control unit is equipped with a high-end bus system with fast interpolation calculation speed, combined with AC servo motors for rapid drive response. This ensures precise cutting trajectories across the full travel length.

application scenarios

Shipbuilding: We cut hull plate sections and structural parts. Our machine works with plates up to 12 meters long. The laser cutting is so precise, you'll need less edge grinding before welding, which saves a lot of labor.

Steel Service Centers: We process plate for our clients. The machine can run batches, cutting many different shapes from a single sheet. You can save 5–8% on material compared to plasma cutting, which really adds up with high volume.

Heavy Equipment Manufacturing:We cut parts for mining gear, construction machines, and farm tools. The machine handles various thicknesses, from 6mm to 30mm, all in the same project.

Structural Steel Fabrication: We cut plates for building frameworks, bridges, and other structural elements. The machine can create bevels for welding preparation right on the plate edges.

Customer Cases

In Guangdong, a client who fabricates hull plate sections for ships (12mm to 25mm carbon steel) was using plasma cutters. The edges produced were rough and required grinding, which accounted for about a fifth of their production time.

We equipped them with a large fiber laser system, boasting a 6kW power source and a 2,500x6,000mm cutting bed. This machine can process 20mm carbon steel at about 1.5 meters per minute, leaving a smooth edge that eliminates the need for grinding. According to their production manager, they've cut grinding labor by about 80% and boosted their output by around 30% without hiring more staff.

Frequently Asked Questions

What is the difference between a large format fiber laser and a standard fiber laser?

Large format machines have longer beds (typically 6 meters or more) and wider spans (2.5 meters or more). They are built with segmented frames and elevated beam designs to maintain accuracy over longer travel distances. Standard machines are sized for smaller plates, typically 3×1.5m.

What industries typically use large format fiber laser cutting machines?

Shipbuilding, steel service centers, heavy equipment manufacturing, structural steel fabrication, and pressure vessel shops. These industries process large plates that require the cutting envelope of a large format machine, and the precision of laser cutting reduces downstream labor costs significantly.

What is the maintenance cost of a fiber laser compared to CO₂?

Fiber lasers have no mirrors to align and no laser gas to replace. The maintenance cost of a fiber laser is about 30–40% lower than CO₂. The only routine maintenance is cleaning the protective lens and checking coolant. There are no complex optical paths to maintain.

Can the machine cut multiple parts from a single large sheet?

Yes. The nesting software optimizes part placement across the sheet, arranging parts to minimize waste. A 12,000mm sheet can hold hundreds of parts in a single run. The machine cuts continuously until the program is complete.

How does the machine handle thermal distortion on large sheets?

The cutting process heats the material locally. Thermal expansion is managed through the CNC control system, which compensates for thermal effects. The bed is stress-relieved during manufacturing to prevent warping. The machine maintains accuracy across the full sheet length.