Eos Gmbh Electro Optical Systems

Gerd Cantzler

Jochen Philippi

Stephan Gronenborn

Stefan Paternoster

Hans Perret

Thomas Mattes

Peter Keller

Thomas Halder

Gero Heusler

Michael Göth

Ralf Conrads

Holger Joachim Moench

Siegfried Schimitzek

Andrea Weichselbaumer

Holger Moench

Andreas Baumann

Rainer Salzberger

Robert Jelin

Siegfried Schmitzek

Andrë Danzig

André Danzig

Michael GÖTH

The invention describes a laser printing system () for illuminating an object moving relative to a laser module of the laser printing system () in a working plane (), the laser module comprising at least two laser arrays of semiconductor lasers and at least one optical element, wherein the optical element is adapted to image laser light emitted by the laser arrays, such that laser light of semiconductor lasers of one laser array is imaged to one pixel in the working plane of the laser printing system, and wherein the laser printing system is a 3D printing system for additive manufacturing and wherein two, three, four or a multitude of laser modules () are provided, which are arranged in columns (c, c) perpendicular to a direction of movement () of the object in the working plane (), and wherein the columns are staggered with respect to each other such that a first laser module () of a first column of laser modules (c) is adapted to illuminate a first area (y) of the object and a second laser module () of a second column (c) of laser modules is adapted to illuminate a second area (y) of the object, wherein the first area (y) is adjacent to the second area (y) such that continuous illumination of the object is enabled.

Laser printing system

A method of manufacturing an object comprises applying a layer of building material in powder form having a predetermined thickness onto a layer of the building material already previously applied which has been solidified in a region corresponding to a cross section of the object. A recoater is moved in a direction across the layer already previously applied, and the building material is solidified in a shape corresponding to a cross section of the object. Prior to the application of a layer, for a solidified region having a thickness in the layer applied before, the maximum of the product of the extension of this region in movement direction of the recoater and the thickness is determined and during the application of the layer, at least an additional powder amount proportional to the value of the maximum is additionally provided.

Method and device for metering building material in a generative production method

A device () for manufacturing a three-dimensional object by a layer wise solidification of a building material at positions in the respective layers that correspond to the object is provided. A feed () that supplies the building material to a building space () in the device () and at least two filler portions () that are provided at the feed () and are independent from one another are provided, wherein one connector () is provided for each building material supply container () in order to supply the building material from outside of the device ().

Method for supplying a building material

Device for a layerwise manufacturing of a three-dimensional object

A device for manufacturing a three-dimensional object by a layer-wise solidification of a building material in powder form at positions in the respective layers corresponding to the object is disclosed. The device comprises: a container () arranged in the device; a support device (), which can be vertically moved in the container, wherein the upper side of the support device () forms a building platform (), on which the three-dimensional object is generated layer-wise; an application device () for applying building material in powder form onto the building platform and a previously solidified layer, respectively; and an energy source () that provides a beam () for solidifying the building material in powder form. In a region below the container () in the device () outlets () are provided, wherein from each of the outlets () a directed flow of a fluid medium escapes in a directed manner to peripheral regions of the container ().

Device and method for a layerwise manufacturing of a three-dimensional object

A device () for applying layers or a powder material () by means of an application device () is described, wherein the application device () can be moved back and forth between two end positions in order to apply a layer of material () and the application device () comprises a blade () for removing excess material during the application of a layer of material (). The device () is characterized by a material transport device (), by which the material can be transferred from one side of the blade () to the other side of the blade. The device has the particular advantage that layers of material () can be applied without any loss of material and is particularly applicable in a laser sintering device.

Device and method for applying layers of a powder material onto a surface

Growing community of inventors

Neuried, Germany

Gerd Cantzler