AMCM M 4K-1/4K-4 3D Printer


AMCM, an EOS Group company, announced the serial production of its AMCM M 4K-1 (single laser) and AMCM M 4K-4 (four laser) industrial DMLS metal 3D printing platforms.


Built on the EOS M 400 platform, the AMCM M 4K is tailored to produce large applications, with a height up to one meter (39.37 in.). Additional features include a robust frame design, a filter system (RFS 2.0), and optional soft recoating. Out-of-the-box, the AMCM M 4K can produce applications from a wide range of materials, including aluminum, nickel alloy, and copper alloy.


Powder bed DMLS 3D printing is used for the most demanding applications—high-performance, sophisticated, mission-critical parts. With the help of AMCM, Launcher was one such organization that realized very early in the AMCM M 4K’s development that it could now produce—using the preferred DMLS method—its copper alloy E-2 combustion chamber, the world’s largest 3D printed liquid rocket engine. “The AMCM M 4K solved for both our desire to 3D print a tall combustion chamber in a single piece, and produce it in a copper material,” said Launcher CEO, Max Haot. “Printing in a single piece reduces cost and enables the highest-performance regenerative cooling design.” Launcher will be testing E-2 at NASA Stennis as part of an Air Force Phase II SBIR later this year.


  • Large building volume of 450 x 450 x 1,000 mm
  • Laser Type: Yb Fiber laser: 1 x 1,000 watt, 4 x 400 watt or 4 x 1,000 watt, optional
  • Wave length: 1,070 nm
  • Precision Optics: F-theta-lens
  • Scan Speed during build process: up to 7.0 m/s (23 ft./sec)
  • Process Gas Cooling: additional gas cooling unit (optional)
  • Dimensions of complete system: (W x D x H): 193 x 83 x 122 in.
  • Compatible with legacy EOS M 400 Series process parameter sets
  • Powder handling option for manual or semi-automatic operation
  • Open software for process optimization with high power laser
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