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Apparatus for additive manufacturing of three-dimensional objects

A three-dimensional object, additive technology, applied in additive manufacturing, metal processing equipment, manufacturing tools, etc., to solve problems such as changes, the impact of the quality of manufactured objects, etc.

Active Publication Date: 2018-05-25
CL SCHUTZRECHTSVERW
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has hitherto been common to arrange the illuminating device directly at or on an exposed outer surface of the process chamber, so that the heating up and thus the thermal expansion of the process chamber necessarily leads to a certain degree of positioning of the illuminating device to be precisely positioned or precisely positioned. The change
[0004] This is a state of affairs in need of improvement, since variations in the positioning of the irradiation device can negatively affect the precise irradiation of the individual layers of build material to be selectively irradiated and cured and thus the quality of the object to be manufactured

Method used

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  • Apparatus for additive manufacturing of three-dimensional objects
  • Apparatus for additive manufacturing of three-dimensional objects
  • Apparatus for additive manufacturing of three-dimensional objects

Examples

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Embodiment Construction

[0024] Figure 1 to Figure 3 A schematic diagram of the device 1 according to an exemplary embodiment of the device 1 is shown in each case.

[0025]The device 1 is used to selectively irradiate layer by layer and then selectively cure layer by layer, consisting of a construction material 3 that can be cured by means of laser radiation, or laser beam 4 , that is to say, for example, metal powder. Layers of construction material for the additive production of three-dimensional objects 2 , that is to say in particular technical components or groups of technical components. The selective curing of the individual layers of construction material to be cured takes place on the basis of object-related construction data. The corresponding construction data describe the geometrical or geometrical design of the object 2 to be additively produced in each case and can contain, for example, “sliced” CAD data of the object 2 to be produced. Device 1 can be designed as Equipment, that is ...

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Abstract

An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of a construction material (3) that can be solidified by means of a laser beam (4), comprising a process chamber (7), in which the successive, selective layer-by-layer exposure andthus the successive, selective layer-by-layer exposure of respective construction material layers of a construction material (3) that can be solidified by means of a laser beam (4) is carried out, andan exposure device (6) provided for generating a laser beam (4) for the selective exposure and thus solidification of respective construction material layers, wherein the exposure device (6) is arranged or formed on a housing construction (11) in a heat-decoupled manner spaced apart from the process chamber (7).

Description

technical field [0001] The invention relates to a construction having the features of the preamble of claim 1 for the selective irradiation layer by layer and the subsequent selective curing layer by layer of a construction consisting of a construction material curable by means of a laser beam A device for additively manufacturing three-dimensional objects from layers of material, including a process chamber and an irradiation device. Background technique [0002] Corresponding devices for the additive production of three-dimensional objects are known per se, for example in the form of devices for carrying out selective laser sintering or selective laser melting methods. A corresponding device comprises a process chamber in which the individual build material layers are selectively irradiated successively layer-by-layer and subsequently selectively cured layer-by-layer, said device also comprising an irradiation device which is arranged to produce A laser beam for selective...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F3/003B22F10/00B22F12/49B22F12/38B22F10/28B29C64/264B29C64/25B33Y10/00Y02P10/25
Inventor J·斯坦贝格尔D·维尼亚斯基
Owner CL SCHUTZRECHTSVERW
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