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Apparatus for additively fabricating three-dimensional objects

A three-dimensional object and additive technology, which is applied in the direction of manufacturing auxiliary devices, processing manufacturing, additive manufacturing, etc., can solve problems such as time-consuming, troublesome processing, etc.

Active Publication Date: 2022-02-18
CONCEPT LASER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This determination process is cumbersome and time-consuming because the corresponding metal sheet has to be prepared and installed in the processing chamber, wherein the focus position determination process has to be performed before the additive manufacturing process
Further, the determination of the actual focus position can only be performed before and not during the additive manufacturing process

Method used

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  • Apparatus for additively fabricating three-dimensional objects
  • Apparatus for additively fabricating three-dimensional objects

Examples

Experimental program
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Embodiment Construction

[0041] figure 1 Shown is a method for additively manufacturing a three-dimensional object 2 by means of successive layers of selectively irradiating and solidifying layers of a building material 3 ( figure 2 ) means 1. The device 1 further comprises an irradiation device 4 adapted to generate an energy beam 5 , wherein the building material 3 can be selectively irradiated and thus consolidated by means of the energy beam 5 . In other words, it is possible to selectively determine the plane 6 (such as the construction plane 17 ( figure 2 )) An energy beam 5 is directed on which the build material 3 is applied to be irradiated via the energy beam 5 in a defined plane 6 .

[0042] exist figure 1 In the exemplary embodiment depicted in , the build plate 7 is arranged in a defined plane 6 . Thus, the energy beam 5 can be directed onto the build plate 7 to produce an irradiation area 8 by irradiating a part of the build plane 7 arranged in the defined plane 6 . The irradiatio...

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Abstract

A device (1) for the additive manufacturing of three-dimensional objects (2) by means of sequential layered selective irradiation and solidification of layers of building material (3) which can be consolidated by means of energy beams (5) , the device comprises an irradiating device (4) and a determining device (10), the irradiating device is adapted to generate an energy beam (5) and guide the energy beam (5) on a determined plane (6), in particular, the determined plane is the building material (3) applied to an irradiated build plane (17), wherein the irradiating device (4) is adapted to generate at least one irradiated area (8), in particular at least one irradiated area (8) in the determined plane (6) ) is a molten pool, wherein the determination device (10) is adapted to determine the focus position of the energy beam (5) and / or the reference of the energy beam (5) based on the radiation (9) emitted from at least one irradiation area (8) The difference between the focus position and the actual focus position.

Description

technical field [0001] The invention relates to a device for the additive manufacturing of three-dimensional objects by means of sequential layered selective irradiation and solidification of layers of building material which can be consolidated by means of energy beams, the device comprising irradiation equipment, irradiation The device is adapted to generate an energy beam and to direct the energy beam on a defined plane, in particular the build plane where the build material is applied to be irradiated, wherein the irradiation device is adapted to generate at least one irradiation region in the determined plane (in particular , molten pool). Background technique [0002] Devices are generally known from the prior art for the additive manufacturing of three-dimensional objects, for example using energy beams such as laser beams or electron beams, for example via successive layered selective solidification of layers of building materials. In order to selectively consolidat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/153B29C64/264B22F3/105B28B1/00B33Y30/00
CPCB29C64/153B29C64/264B28B1/001B33Y30/00B22F10/00B22F12/90B22F10/28B22F12/49B33Y10/00B33Y50/00B29C64/214B29C64/245B29C64/268B29C64/386Y02P10/25B33Y50/02B23K26/342B23K26/034B23K26/0643B23K26/0665B28B17/0081
Inventor 杰耿·维尔纳莫利茨·贝克多米尼克·格拉夫
Owner CONCEPT LASER