Large Format CNC Fiber LASER Cutting Machines
Production cutting for large plate. Eight bed sizes from 10' x 20' to 20' x 40', extendable past 100', with 12 to 60 kW resonators that cut carbon and stainless steel up to 3-1/8".
The LF lineup: 8 models + custom sizes
Prefer to talk? Call 800-338-5471
Get introductory pricing
Pick a bed and power if you know them. A Piranha rep sends a written proposal.
We'll also email you the LF spec sheet. Privacy policy. Protected by reCAPTCHA; Google's Privacy Policy and Terms apply.
Pick a width, then a length
Four cutting widths, each at 20' or 40' long. The 40' beds extend in 20' sections, and every bed runs 12, 20, 30, 40 or 60 kW. Beds are drawn to the same scale; the dashed outline is 20' x 40'.
10' x 20'
3.05 x 6.10 m · 12 to 60 kW
LF 1020
View details →10' x 40'
3.05 x 12.19 m · 12 to 60 kW
LF 1040
View details →13' x 20'
3.96 x 6.10 m · 12 to 60 kW
LF 1320
View details →13' x 40'
3.96 x 12.19 m · 12 to 60 kW
LF 1340
View details →16' x 20'
4.88 x 6.10 m · 12 to 60 kW
LF 1620
View details →16' x 40'
4.88 x 12.19 m · 12 to 60 kW
LF 1640
View details →Machine footprint, weight and electrical requirements are provided with your quote.
The Piranha LF Large Format CNC Fiber LASER, inside and out
Renderings of the LF 2040, plus photos of the Piranha cutting head cutting steel plate under HypCut 8000 control.






Large plate. Full-length parts. One setup.
Large plate is the job. Hull panels, ship frames, rail sills, boom plates and structural members run 20' to 40' and longer. On a standard bed, that plate gets sheared down, re-fixtured, cut in pieces and spliced back together. The LF cuts it the way it arrives.
Full-size nests run across the whole plate, so yield goes up and the remnant rack shrinks. Long parts come off in one piece, with no splice welds and no second setup. With the 3D bevel head, weld-prep bevels are cut in the same program as the part, so plate moves from the bed to fit-up without another operation.
At 60 kW the LF cuts carbon and stainless steel up to 3-1/8" and aluminum up to 2-3/8", at fiber LASER tolerances: ±0.0006"/ft positioning and 0.004" repeatability.
Pick a width, a length and a power
Every LF starts from one of eight bed sizes and five power levels. Set the build your production calls for and send it straight to a Piranha rep for a written proposal.
1 Cutting width
2 Cutting length
3 LASER power
4 Options to include in the quote
Production cutting thickness by LASER power
Same chart for every LF bed size. Size the resonator to the plate you run every shift, not the occasional one-off. Where two power levels list the same maximum thickness, the higher kW cuts that plate faster.
| Power | Carbon steel | Stainless steel | Aluminum | Cutting speed |
|---|---|---|---|---|
| 12 kWFast | 1-3/8"35 mm | 1-3/8"35 mm | 1-3/16"30 mm | Fast |
| 20 kWFaster | 2"50 mm | 1-3/8"35 mm | 1-3/16"30 mm | Faster |
| 30 kWVery fast | 2"50 mm | 1-3/8"35 mm | 1-3/16"30 mm | Very fast |
| 40 kWUltra fast | 2"50 mm | 2"50 mm | 1-9/16"40 mm | Ultra fast |
| 60 kWFastest | 3-1/8"80 mm | 3-1/8"80 mm | 2-3/8"60 mm | Fastest |
Production thickness with the standard assist-gas setup. Cutting speed is a relative comparison between LF power levels on the same plate. Ask your rep for cut-time estimates on your own parts.
What's in the base machine
- Piranha cutting head
- Fiber LASER resonator, 12 to 60 kW
- Graphical CNC control with HypCut 8000 software
- Helical rack and pinion drive system
- 2,362 IPM (60 m/min) rapid travel
- TopSinn dust collector for steel and stainless
- Class 1 laser-safe interlocked enclosure
Customize it for your line
3D bevel cutting head
Weld-prep bevels cut in the same program as the part. No second operation.
All LF models20' bed extensions
Extend a 40' bed in 20' sections for ship frames, beams, rail sills and plate runs past 100'.
40' modelsAssist gas systems
On-site nitrogen generation up to 8,000 SCFH and air assist up to 12,000 SCFH at 400 PSI, so multi-shift cutting is not tied to bulk gas deliveries.
All LF modelsDust collector upgrades
Aluminum-rated collector with explosion vent, a second collector, or HEPA filtration.
All LF modelsAdditional CypNest nesting seats
DWG/DXF import, automatic and common-line nesting across large plate, with production and cost reports.
All LF modelsPreventive Maintenance Program
1-, 2- or 3-year programs with two visits a year: full system inspection, on-site calibration and documentation, priority scheduling. Extended warranty available.
All LF modelsHeavy plate production
For plants that move plate by the ton every shift and build parts too big for a standard LASER bed.

Shipbuilding and marine
Hull plate, bulkheads, frames and deck panels cut at full panel size, with weld-prep bevels cut in the same program.

Aerospace and space
Large aluminum and stainless plate for structures, tooling, fixtures and ground support equipment, nested at full size.

Defense and government
Hulls, chassis rails and structural plate for military vehicle and government programs.
Industry page →
Heavy equipment and mining
Booms, frames, buckets and counterweight plate cut from 1" to 3" carbon steel.
Industry page →
Energy and power
Transformer tanks, wind tower components and heavy plate for power generation and distribution equipment.
Industry page →
Rail car
Sills, side sheets and underframe components cut at car length from one plate.
Industry page →
Trucking
Frame rails, crossmembers and dump-body floors cut full length, with no splices.
Industry page →
Structural and bridge
Gussets, base plates, splice plates and girder stiffeners nested together on large plate.
Industry page →
Plate processors and service centers
Large plate cut to customer drawings without shearing it down first.
Backed for production
Application review
Send your part files and nests. Piranha reviews them against the bed and power you are considering before you commit.
U.S. install and service
Site requirements in your proposal, then installation, operator and programmer training, parts and field service from Piranha's own U.S. team in Belvidere, Illinois.
Long-term value
Preventive Maintenance Program visits with full system inspection, on-site calibration and documentation, and priority scheduling.
No waiting on gas
Nitrogen generation and high-pressure air assist sized to your power and duty cycle, quoted with the machine, so multi-shift cutting is not tied to bulk deliveries.
One platform across your LASERs
The LF shares the HypCut 8000 control and Piranha cutting head with the FLEX series, so programming and training carry across a mixed fleet.
Made by people who know fabrication
Piranha builds fabrication equipment in Belvidere, Illinois, alongside Bertsch, whose plate rolls trace back to 1879.
Large format CNC fiber LASER cutting machine FAQ
What should we ask any large format laser supplier before we buy?
Five questions worth asking every supplier, and how Piranha answers them:
- Who installs it and trains your crew? Piranha's own U.S. team.
- Where does service come from? Belvidere, Illinois.
- Will they review your parts before you buy? Piranha reviews your part files and nests against the bed and power you are considering.
- Is maintenance scheduled and documented? The Preventive Maintenance Program covers two visits a year with on-site calibration and documentation.
- Will it match the rest of your fleet? The LF runs the same HypCut 8000 control and Piranha cutting head as the FLEX series.
How big a plate can the Piranha LF Large Format CNC Fiber LASER cut?
Up to 20' wide and 40' long on the standard LF 2040 bed. The 40' models accept 20' bed extensions, so cutting lengths past 100' are available for ship frames, beams, rail sills and long plate runs.
What thickness can a 60 kW fiber LASER cut?
In production, the 60 kW LF cuts carbon steel and stainless steel up to 3-1/8" (80 mm) and aluminum up to 2-3/8" (60 mm). At 12 kW, the LF cuts 1-3/8" carbon and stainless and 1-3/16" aluminum. The full chart is above.
Can the LF take work off our plasma or oxy-fuel tables?
For plate within its range, yes. Many plants run a large format fiber LASER alongside plasma or oxy-fuel: the LASER takes the plate up to 3-1/8" at 60 kW, with tighter tolerances, smaller holes and less cleanup, and the thicker plate stays on the processes already in place.
Which LF models can be extended?
The four 40' models: LF 1040, LF 1340, LF 1640 and LF 2040. Extensions are added in 20' sections at the time of order. The 20' models are fixed-length beds.
Can the LF cut weld-prep bevels?
Yes. The 3D bevel cutting head is an option on every LF model and cuts weld-prep bevels in the same program as the part.
What does installation require?
Your proposal lists footprint, weight and electrical service sizing (460 V, 3-phase, 60 Hz), along with gas and dust collection requirements. Piranha installs the machine and trains your operators and programmers.
How is the LF supported after installation?
By Piranha's U.S. service team in Belvidere, Illinois. The Preventive Maintenance Program adds 1, 2 or 3 years of scheduled visits, two a year, with full system inspection, on-site calibration and documentation, and priority scheduling.
How do I get pricing?
Request a quote with your bed size, power and production details. Piranha returns a written proposal covering the machine, options, site requirements, installation and service. Introductory pricing is available on the LF line now.
What is the difference between the LF and the FLEX series?
Bed size. The FLEX series runs from 5' x 10' to 8' x 20'; the LF starts at 10' x 20' and goes to 20' x 40' and beyond. Both use the Piranha cutting head and HypCut 8000 control.
Get introductory pricing on the Piranha LF Large Format CNC Fiber LASER
Pick the bed and power, add your contact details, and a Piranha rep sends a written proposal.
Prefer to talk? Call 800-338-5471
We'll also email you the LF spec sheet: every model, cutting capacity, standard equipment and options.
We use your details only to respond to this request. Privacy policy. This form is protected by reCAPTCHA; Google's Privacy Policy and Terms apply.

FLEX series LASERs
5' x 10' to 8' x 20' beds, 6 to 40 kW, for sheet and plate that fits a standard bed.
FLEX series →
All CNC fiber LASERs
SP404, SP510, FLEX and LF side by side.
Compare lineups →
LASER automation
Automated loading and unloading for Piranha fiber LASERs.
Automation →
LASER support
Training, parts, consumables and field service from Belvidere, Illinois.
Support →