FS301M

The FS301M is a DMLS 3D printer from Farsoon Technologies with a 305 x 305 x 400 mm build volume.

Specifications

Farsoon FS301M: Technical Specifications

Laser

Yb-fiber laser, single or dual configuration, 500 W per laser, ~1070 nm. Minimum laser spot diameter ~80–100 µm; maximum scan speed 10 m/s.

Scanner / Optics

Galvanometric scanners with F-theta objective lens for constant focus across the full XY area of the cylindrical build volume.

Build Volume

305 × 305 × 400 mm: cylindrical build platform. Machine weight in the same class as the FS273M (~2,000 kg); footprint suitable for standard factory floor.

Chamber and Shielding Gas

Sealed chamber purged with argon or nitrogen to < 1,000 ppm O₂. Integrated powder recycling and filtration.

Calibration

FS301M Calibration

Galvanometric XY Correction

Especially important for the cylindrical build volume: corner areas of the square scanner FOV must be precisely calibrated for the round working area. Use a grid artifact and the Farsoon Build Processor.

Laser Power

Measure monthly with a calibrated power meter. Target: ±5% of 500 W.

Cylindrical Build Plate

Level with a dial gauge at a minimum of 8 peripheral points and 1 centre point; parallelism < 50 µm across the full diameter.

Common defects

FS301M Common Defects

Porosity

Low VED, moisture or O₂ contamination. Fix: optimise VED = P/(v·h·t); dry powder; verify O₂ and gas-flow uniformity.

Balling

Unstable melt pool from excessive speed or low power. Fix: reduce scan speed; increase power until stable scan track achieved.

Delamination / Recoater Crash

Thermally warped layer blocks recoater: risk at the circular perimeter of parts with insufficient peripheral supports.

What it is used for

FS301M Use Cases

Turbine Disks and Impellers

Cylindrical build volume is architecturally optimal for turbine components: uniform thermal profile and symmetric powder distribution.

Orthopaedic Implants with Circular Symmetry

Hip acetabular cups and spinal implants fit efficiently in the cylindrical build zone.

Batch Production of Aerospace Fasteners.