Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of extra large fiber laser cutter 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 This Machine Is

An Extra Large Fiber Laser Cutter is a CNC cutting system built to handle sheet metal that won't fit on a standard table. While conventional machines max out around 1500×3000mm, these systems handle widths up to 5 meters and lengths of 12, 20, 30 meters or more. Some modular designs can be extended to 40 meters or beyond.

This isn't for a small fab shop cutting brackets. This is for steel service centers, shipyards, structural steel fabricators, and heavy equipment manufacturers-operations where parts are measured in meters, production runs in tons, and downtime in lost revenue.

Unlike standard machines that require repositioning for long parts, an Extra Large Fiber Laser Cutter handles full sheets in one pass. No repositioning errors. No cumulative tolerance drift. One clean cut from start to finish.

Here's how larger machines handle common manufacturing hurdles

1. Repositioning Errors: Cutting a 12-meter piece on a standard 3000mm table means moving the plate several times, and each move risks errors. An extra-large machine does away with this need.

2. Ill-Fitting Parts:Normally, if parts exceed your table's length, you'd splice them. Splicing adds weld joints, which means extra work and potential weak points. Extra-large format machines cut entire long parts in one piece, avoiding splices and welds.

3. Time-Consuming Setups:Moving, aligning, and clamping materials all take time. With extra-large format, you only set up once for a single, finished part.

4. Inefficient Material Use:Nesting parts on a full 12-meter sheet is much more efficient than using smaller pieces. The extra-large format lets you use the whole sheet.

5. Thick Plate Challenges: These larger machines typically feature high-power lasers (6000W+), letting them cut through a wide variety of material thicknesses, from thin sheets up to 80mm or more.

Applications

Steel service centers: Processing large plates for clients.

Shipbuilding: Used for hull plates, deck components, and bulkheads. Shipyards often work with massive plates that exceed standard table sizes. One large machine can cut an entire hull section in a single operation.

Structural steel fabrication: Suitable for beams, columns, connection plates, and bridge components – large parts that need to be cut as a single piece.

Heavy equipment manufacturing: Essential for mining trucks, excavators, and bulldozers, which are constructed from large steel plates that standard machines cannot process.

Wind power equipment: Used for tower sections and turbine components. The large, circular sections of wind towers demand cutting on a machine capable of handling their diameter and length.

Container manufacturing: Shipping containers are made from large steel sheets requiring extra-large format cutting.

Railway and transportation: Applications include train car bodies, rail components, and other large structural parts.

Construction machinery: Used for crane components, earthmoving equipment, and concrete pumps.

Every Extra Large Fiber Laser Cutter undergoes these checks

Bed Alignment: We ensure the modular bed is level and straight, thanks to its segmented design with independent supports for lasting stability.
Gantry Squareness: The dual-drive system is precisely calibrated to keep the gantry perfectly square to the table.
Laser Calibration: We measure and confirm laser power output across various settings, and check positioning accuracy to within ±0.3mm/m.
Cut Quality Test: We cut sample materials of different thicknesses, inspecting edge quality, squareness, and dross.
Burn-in: Each machine runs for over 8 hours straight to identify any potential early issues.
System Integration: We test all parts-CNC, laser source, cooling, and gas system-working together seamlessly.

Frequently Asked Questions

What's the typical time to switch between different material thicknesses?

About 15-30 minutes. You need to change the focus setting, gas pressure, and cutting speed parameters. The machine stores profiles for different materials and thicknesses, so once you've set up a profile, you just load it. One customer runs 6 profiles daily and switches between them without issues.

How do I handle the weight of large plates during loading and unloading?

You need proper material handling equipment-overhead cranes, vacuum lifters, or magnetic lifters. The machine itself doesn't lift material.

What happens if the laser source fails during a critical production run?

The machine includes fault detection that shuts down the laser if it detects issues. You'll need a replacement source or a service call. We recommend keeping a spare laser module for critical production. One customer running 24/7 has a backup source ready to swap in-it takes about 4 hours to replace and recalibrate.

What's the procedure for cleaning the protective lens on a high-power machine?

Power down the machine. Wait for the lens to cool-it can be hot from the beam. Use lens tissue and approved cleaning solution. Wipe gently in a circular motion. Never use compressed air-it can damage the coating.