Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of oversized fiber laser cutting machineine 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.
Product meaning
An Oversized Fiber Laser Cutting Machineine is a gantry-style CNC system designed for working with exceptionally large metal sheets. These typically range from 4 to 6 meters wide and 6 to 12 meters long, though some can reach up to 30 meters. The machine uses a fiber laser, fed by a cable, to a cutting head that travels on a gantry positioned above the metal. A CNC controller automatically handles movement, laser power, assist gas, and focus. The 'oversized' label applies to both the machine's size and its purpose. Unlike typical flatbed lasers with smaller work areas (around 3,000×1,500mm), these larger machines have a modular, segmented frame and workbench to fit custom-sized materials. The frame itself is made from welded structural steel and then stress-relieved by heating it to roughly 600°C and cooling it slowly, which removes any stress from the welding process.
Why Oversized Instead of Standard Format?
The distinction between oversized laser cutting systems and conventional flatbed lasers extends well beyond mere dimensional differences-it fundamentally reshapes operational methodology and production workflow.
A typical flatbed system with a 3,000 mm × 1,500 mm work envelope necessitates segmental processing for plates exceeding 3 meters in length. Every manual repositioning step introduces positional deviation-commonly ranging from 0.5 to 1 mm per adjustment. With repeated relocations, these deviations compound, potentially resulting in cumulative inaccuracies of several millimeters. Such discrepancies often trigger costly corrective actions, including re-machining or outright part rejection. In contrast, an oversized platform-equipped with a 6,000 mm × 2,500 mm processing area-enables complete, uninterrupted cutting of full-size sheets in a single clamping cycle.
Structurally, oversized machines employ a modular, segmented bed architecture that ensures mechanical rigidity even at extended lengths. Base configurations may start at 10 meters, with scalable expansion in 4-meter increments-supporting final bed lengths up to 40 meters. This modular scalability allows precise alignment of machine specifications with the actual plate dimensions handled in daily operations.
From a productivity standpoint, transitioning from a 3-meter to a 6-meter bed yields substantial time savings: no plate relocation or realignment is required between cutting zones, minimizing non-cutting handling time and eliminating inter-cut registration errors. For high-volume facilities routinely handling plates longer than 6 meters-such as shipbuilding yards, integrated steel service centers, and manufacturers of large-scale industrial equipment-this capability is not merely advantageous; it is operationally indispensable.
Large Format vs. Oversized: What's the Difference?
Large format machines typically have working areas up to 6,000×2,500mm. Anything larger, like machines 8 or 12 meters long, is considered oversized. The distinction isn't just size; oversized machines are built differently. Their segmented frame design ensures structural integrity for longer beds, and the split-type elevated beam gantry design keeps guide rails accurate and transmission stable over extended travel. Foundation needs are greater too. Oversized Fiber Laser Cutting Machineine require a solid, steel bar-reinforced concrete slab, prepared before delivery. The longer the bed, the more crucial the foundation; even slight deviations can lead to errors across the entire cut length.
Their modular workbench design simplifies waste removal and allows for custom, non-standard formats, which is a big plus for shops handling unusual plate sizes or specialized jobs.
CE certificate
FAQ
Oversized 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. Some oversized configurations extend to 30 meters in length.
With a 6kW laser, mild steel up to about 20mm in production. With 12kW, carbon steel up to 35mm, stainless steel up to 30mm, and aluminum up to 25mm. Higher power systems handle thicker material.
3 to 5 working days from delivery. The machine requires a prepared foundation with adequate load-bearing capacity. Mechanical assembly takes about 2 days, electrical and gas connections take another day, and test cutting takes the remainder.
Daily lens and nozzle checks. Weekly coolant and filter checks. Monthly rail and drive inspections. No mirrors to align, no laser gas to replace - maintenance is simpler than CO₂ lasers.
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