Model reference
FDM Fused Deposition Modeling

Markforged FX20 — Technical data

The FX20 is the largest composite machine in Markforged's line-up and is designed for high-performance plastics. In its heated 525 × 400 × 400 mm build volume it processes ULTEM 9085 and Vega as well as the Onyx variants, reinforcing parts with continuous carbon, high-temperature carbon or glass fibre. The head carries three nozzles – two for plastic, one for fibre –, the axes are controlled via linear encoders, and a material cabinet keeps XL spools dry. It is intended for users who need large flame-retardant or heat-resistant parts from their own production.

A used FX20 needs a suitable high-current supply, single- or three-phase depending on the version, and an accessible site that can carry over half a tonne. Check operating hours, the condition of print head, vacuum bed and moisture control, the calibration history and which materials are enabled on the machine. Also clarify whether Eiger access and premium options can be transferred.

525 mm400 mm400 mm
MaterialsPEI (ULTEM 9085)PA CF (Onyx, Onyx FR, Onyx ESD)Continuous carbon fibreContinuous glass fibreContinuous aramid fibre (Kevlar)

How many fit in one build job?

Material
Part (bounding box)
××mm
One layer on the build platform.
–Parts per build job
–Build jobs for the quantity
–Build volume utilisation
525 mm400 mm400 mm
Approximation using the bounding box and 0.5 mm spacing. Real nesting of free-form parts usually fits more.

1 · Buy

Matching used machines for this material and build volume.

2 · Let us search

Nothing suitable? We will search for you – or get an e-mail as soon as a matching machine comes in.

3 · Have parts printed

Not worth your own machine? We produce your parts – request from the LayerByLayer 3D printing service.

Buy or have it printed? For small or changing quantities, having parts printed is often cheaper than your own machine. If you regularly fill many build jobs, your own machine pays off.

Specifications

Weight530 kg
Dimensions1325 × 900 × 1925 mm
Equipmentclosed-loop linear encoders, 7-inch touchscreen, material cabinet with two active XL spools and two humidity-controlled storage bays
Print Headdirect drive with three nozzles (two plastic, one fiber)
ConnectivityEthernet, over-the-air updates
MaterialsPlastics: ULTEM 9085, Vega, Onyx, Onyx GF, Onyx FR, Onyx ESD; continuous fibers: Carbon, Carbon HT, Carbon FR, fiberglass; aramid (Kevlar) announced, per manufacturer not yet compatible
Layer Resolution50–250 µm
Temperatureup to 200 °C (continuous operation)
Build Envelope in mm (x/y/z)525 × 400 × 400 mm (single nozzle); 500 × 400 × 400 mm (multiple nozzles); heated chamber 84 l
Print Bedprecision-machined aluminium, vacuum bed with print sheets
Precision± 125 µm or ± 0.0015 mm/mm (whichever is greater)
SoftwareEiger (library, slicer, printer management; premium options at extra charge)
Power Supply200–240 V AC 2W+PE 40 A, 200–240 V AC 3~+PE 24 A or 347–415 V AC 3~+N+PE 14 A; 50–60 Hz

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All information according to manufacturer specifications, errors excepted.

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