Our DMP Factory 500 metal 3D printer with a build size of 500 x 500 x 500 mm being showcased at Formnext 2019 in Frankfurt, Germany. This mammoth machine has three lasers placed in a line. The left and right laser can cover 80% of the build plate and the center laser can cover the entire build plate. The benefit is higher productivity due to faster simultaneous melting but without compromising surface finish. This is accomplished with the left and right lasers printing the interiors of the part while the center laser printing the boundaries. This is crucial in large critical moving aerospace parts where seams on the surface could lead to lesser fatigue strength. If you want to control things even further you can set up the printing strategy such that a particular section of the part is built with only a single laser, the interior as well as the boundary, so that the part is completely uniform even from the inside. This is accomplished by a feature in 3DXpert, our metal additive part preparation software, called 3D zoning. For example the part with the four cones seen at the end of the video was printed such that a single laser printed each cone completely from start to finish.
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