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Method for additive manufacturing of a three-dimensional object

A three-dimensional object, additive technology, applied in manufacturing, additive manufacturing, manufacturing tools, etc., can solve the problems of delay in the construction process, complicated construction process control, etc., and achieve the effect of improved dimensional accuracy and simple design

Active Publication Date: 2018-05-29
CL SCHUTZRECHTSVERW
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This complicates the control of the construction process and delays the construction process

Method used

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  • Method for additive manufacturing of a three-dimensional object
  • Method for additive manufacturing of a three-dimensional object
  • Method for additive manufacturing of a three-dimensional object

Examples

Experimental program
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Embodiment Construction

[0032] first see attached image figure 1 .

[0033] in attached figure 1 The device 1 shown in the figure has a housing 2 , shown only diagrammatically, in which a build chamber 3 and a process chamber 4 are accommodated. A carrier device 5 for carrying an object 6 to be manufactured is arranged in the building chamber 3 . The carrying device 5 has a height-adjustable stand 7 . Arranged next to the building chamber 3 is a metering device 8 from which building material 9 can be applied layer by layer onto the carrier device 5 or onto a previously formed layer by means of, for example, a horizontally displaceable application device 20 .

[0034] Arranged in or above the process chamber 4 is an irradiation device 10 for irradiating the layer of construction material 9 . In an exemplary embodiment, the irradiation device 10 comprises a laser 11 and a scanner 12 , wherein the mirrors of the scanner 12 are based on a data set / data record describing the three-dimensional object 6...

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PUM

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Abstract

A method for additive manufacturing of a three-dimensional object (6) by successive, selective layer-by-layer solidification of layers of a construction material (9) by at least one energy beam, wherein the successive, selective solidification of the construction material (9) is carried out due to a data record describing the three-dimensional object to be additively manufactured (6), wherein construction material sections provided for sintering and / or melting on or melting through are heated in a temperature range lying below the solidification temperature of the construction material (9), wherein the heating of the construction material section(s) is carried out by at least one heating beam (17) either surrounding at least one main beam (18) provided for melting on or melting through insections or going ahead or following the main beam (18), wherein the main beam (18) and the heating beam (17) are together guided synchronously along the surface of the construction material (9).

Description

technical field [0001] The invention firstly relates to a method for the additive manufacturing of objects having the further features of the preamble of claim 1 . Furthermore, the invention relates to a device having the features of claim 14 . Background technique [0002] In particular the technical field of so-called 3D-printing methods, in particular the field of selective laser melting (SLM) or selective laser sintering (SLS), is discussed. However, the invention also includes so-called stereolithography methods and associated devices, in which liquid or pasty building materials are likewise converted into a solidified state by the action of radiant energy, in order thereby to produce three-dimensional objects layer by layer. [0003] In all these methods, the layer of building material is applied to a surface or already cured workpiece surface, or is produced in the building block by lowering the holding device of the already cured part. The layers are cured in a pro...

Claims

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Application Information

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IPC IPC(8): B29C64/153B29C64/268B29C64/277B22F3/105C04B35/622B33Y10/00B33Y30/00
CPCB33Y10/00B33Y30/00C04B35/622B22F10/00B22F12/44B22F12/45B22F10/28B22F10/364B22F10/362B33Y40/10B29C64/295B29C64/153B29C64/268Y02P10/25
Inventor T·德乐P·庞蒂勒-许穆拉A·波普
Owner CL SCHUTZRECHTSVERW
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