Eos Gmbh Electro Optical Systems

Kevin Minet

Robert Achim Domröse

Dominik Wolf

Tatu Syvänen

Alexander Schilling

Pilvi Ylander

Jörg Hamann

Katri Kakko

Olli Nyrhilä

Disclosed is a method of determining a quality indicator of an object that has been manufactured by layer-wise additive manufacturing. The method includes providing a first dataset that is assigned to a process monitoring device, detecting a relative frequency of occurrence of a process irregularity in a layer and of assigning a grade indicator value to the solidified object cross-section in a layer according to the detected relative frequency, generating a second dataset, in which a grade indicator value is assigned to the object cross-section in each of said several layers following upon one another, and determining a quality indicator by using the second dataset (or several further datasets).

Method and device of detecting part quality of a three dimensional manufacturing object

A device is disclosed for producing a three-dimensional object by layerwise construction. The device contains a flow device for generating a gas flow above an applied layer of the building material by means of a nozzle element for introducing the gas into the device. The nozzle element includes a body with a gas inlet side and a gas outlet side, and channels which penetrate the body from the gas inlet side to the gas outlet side, provided with inlet openings on the gas inlet side and gas outlet openings on the gas outlet side, and which are separated by walls. The length of the channels is selected such that a laminar flow is formed at the gas outlet side.

Device and method for producing a three-dimensional object layer-by-layer

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Turku, Finland

Kevin Minet