08-30-2016: EOS presented the M 400-4 metal 3D printer
Up to this day it is the largest and fastest 3D printing system for metal in EOS offer portfolio
On August 30, 2016, EOS announced the unveiling of its largest and fastest additive manufacturing system at the IMTS 2016 trade show in Chicago, which took place in mid-September. The EOS M 400-4 was designed for industrial applications, and the ultra-fast system with four lasers was based on EOS’s Direct Metal Laser Sintering (DMLS) technology. The machine offered increased productivity, part quality, and scalability compared to its predecessors.
The EOS M 400-4 was an extension of the EOS M 290 technology and offered a build volume of 400 x 400 x 400 mm. The 3D printer was equipped with four 400 W lasers, each operating independently in 250 x 250 mm squares, with a 50 mm overlap. The exceptional stability of the beam and power ensured four times the work efficiency.
The patented EOS ClearFlow process gas management technology, part of the EOS M 400-4 system, provided consistent processing conditions. It distributed the process gas intelligently to avoid laser disruptions from the by-products of the melting process. Additionally, the integrated industrial-grade recirculating filter system with long filter life significantly reduced operational time and costs.
Initially, the machine could work with NickelAlloy HX and MaragingSteel MS1, but it now uses a significantly wider range of metal alloys (including among others stainless steel, aluminum, and copper). Parameters can be modified to meet individual application requirements using the EOS ParameterEditor.
Source: www.metal-am.com
I leant that having patent does not mean “technically advanced” from the gas flow