Farsoon FS621M Pro

Specs verified 2026-10-03 · farsoon-gl.com Updated 2026-10-03

Image: farsoon-gl.com, Farsoon

Key Specifications

variant

FS621M Pro-6

external dimensions

6300×4050×4330 mm (248.0×159.9×170.5 in)

build cylinder size

620×808×1200mm (24.4×31.8×47.2 in) (Height incl. build plate)

effective build size

612×800×1200mm (24.1×31.5×47.2 in) (Height incl. build plate)

machine weight

Approx. 13000 KG (28660.1 lb)

layer thickness

0.02~0.1 mm (0.0008-0.0039 in)

How much does the Farsoon FS621M Pro cost?

Price estimate

Uncertain

We do not have a price for the Farsoon FS621M Pro that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.

Overview

The Farsoon FS621M Pro is a six-laser metal additive manufacturing machine for long and tall parts: the FS621M Pro-6 version in Farsoon's table has an effective build size of 612×800×1200mm (24.1×31.5×47.2 in). Few components need all three of those dimensions at once. The envelope is better read as room for a part over a metre long stood on end, or for a deep stack of nested parts on a 612 by 800 mm plate.

The build cylinder is 620×808×1200mm (24.4×31.8×47.2 in), and the 1200mm height includes the build plate. The table does not give the plate thickness, so the net part height should be confirmed before a design is committed to the full Z.

Six beams cover the bed. The table lists 6×500W fiber lasers, or 6x1000W with Beam Shaping. Layer thickness is 0.02~0.1 mm (0.0008-0.0039 in) and scanning speed is max. 10 m/s (32.8 ft/s). A full-height build at those layer thicknesses means a very large number of layers whatever the laser set, so uninterrupted gas and power matter more here than on a small machine. Inert gas consumption is 8 - 10 L / min of argon or nitrogen.

This is heavy plant. The machine weighs approx. 13000 KG (28660.1 lb) and measures 6300×4050×4330 mm (248.0×159.9×170.5 in). The 4330 mm height rules out a standard low-bay shop. In the range it sits between the FS422M at approx. 3700 KG (8157.1 lb) and the FS1521M at approx. 65000 KG. Supply for Europe and China is 400V±10%, 3~/N/PE, 50Hz at 60A/80A, and the table does not tie the two currents to the two laser sets. A transformer is sold with the machine for the US. Ambient temperature must be 22-28°C (71.6-82.4℉).

The material list leans towards high-temperature alloys: HX, IN718 and HAYNES 230 are listed with 316L, 304L, Ti6Al4V, TA15 and AlSi10Mg. GH4099, CuCrZr and IN625 carry an asterisk without a key.

Full Specifications

Parameter	Value
Variant	FS621M Pro-6
External Dimensions	6300×4050×4330 mm (248.0×159.9×170.5 in)
Build Cylinder Size	620×808×1200mm (24.4×31.8×47.2 in) (Height incl. build plate)
Effective Build Size	612×800×1200mm (24.1×31.5×47.2 in) (Height incl. build plate)
Machine Weight	Approx. 13000 KG (28660.1 lb)
Layer Thickness	0.02~0.1 mm (0.0008-0.0039 in)
Scanning Speed	Max. 10 m/s (32.8 ft/s)
Laser Type	Fiber Laser, 6×500W; Fiber Laser, 6x1000W (Beam Shaping)
Scanner	F theta lenses
Inert Gas Protection	Argon/Nitrogen
Inert Gas Consumption	8 - 10 L / min
Operating System	64 bit Windows 10
Comprehensive Software	BuildStar, MakeStar®
Power Supply	EUR/China: 400V±10%, 3~/N/PE, 50Hz, 60A/80A US: transformer sold with machine
Operating Ambient Temperature	22-28°C (71.6-82.4℉)
Materials	HX, IN718, HAYNES 230, 316L, 304L, Ti6Al4V, TA15, AlSi10Mg,GH4099, CuCrZr, IN625*, more materials to come

Specifications sourced from farsoon-gl.com — verified 2026-10-03

Strengths & Limitations

Strengths

Effective build size of 612×800×1200mm (24.1×31.5×47.2 in), with 1200mm of Z for parts built on end
Six lasers as listed: 6×500W, or 6x1000W with Beam Shaping
HX, IN718 and HAYNES 230 are on the material list without an asterisk, with 316L, 304L, Ti6Al4V, TA15 and AlSi10Mg
Layer thickness from 0.02 to 0.1 mm (0.0008-0.0039 in) at up to 10 m/s (32.8 ft/s)
Works under argon or nitrogen at 8 - 10 L / min

Limitations

Machine height of 4330 mm (170.5 in) and a weight of approx. 13000 KG (28660.1 lb) need a high bay and a prepared floor
The 1200mm (47.2 in) build height includes the build plate, so net part height is lower
GH4099, CuCrZr and IN625 are listed with an unexplained asterisk
The table shows the FS621M Pro-6 with six lasers only; no other laser count is given

Best For

Long parts built upright, up to 1200mm (47.2 in) including the build plate Nickel-alloy work in HX, IN718 or HAYNES 230 Deep nested batches on a 612 by 800 mm plate Halls with clearance for a machine 4330 mm (170.5 in) high

Frequently Asked Questions

01 How large a part fits in the Farsoon FS621M Pro?

The effective build size of the FS621M Pro-6 is 612×800×1200mm (24.1×31.5×47.2 in), inside a build cylinder of 620×808×1200mm (24.4×31.8×47.2 in). The height figure includes the build plate, so subtract the plate thickness, which the table does not state, to get the tallest part.

02 How many lasers does the FS621M Pro have?

Six. The table lists a fiber laser set of 6×500W and a Beam Shaping set of 6x1000W. Both work through F theta lenses at a scanning speed of max. 10 m/s (32.8 ft/s).

03 What building does the FS621M Pro need?

One with height and floor capacity for a machine of 6300×4050×4330 mm (248.0×159.9×170.5 in) weighing approx. 13000 KG (28660.1 lb). Add clearance above the 4330 mm for lifting, which the table does not specify. The room has to be kept at 22-28°C (71.6-82.4℉).

04 What are the power and gas requirements of the FS621M Pro?

Europe and China: 400V±10%, 3~/N/PE, 50Hz, listed at 60A/80A without saying which laser set draws which. US: a transformer is sold with the machine. Inert gas is argon or nitrogen at 8 - 10 L / min.

05 Which alloys does Farsoon list for the FS621M Pro?

HX, IN718, HAYNES 230, 316L, 304L, Ti6Al4V, TA15 and AlSi10Mg are listed plainly. GH4099, CuCrZr and IN625 are followed by an asterisk for which the table gives no key. More materials are stated to be on the way.