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Method and apparatus for 3d printing with climate controlled processing

A kind of equipment, 3D technology, applied in the direction of metal processing equipment, chemical instruments and methods, 3D object support structure, etc., can solve the problems of negative impact and limitation of economic feasibility

Active Publication Date: 2020-06-19
VOXELJET AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount that can be added is technically limited and the economic viability of the method is also negatively affected

Method used

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  • Method and apparatus for 3d printing with climate controlled processing
  • Method and apparatus for 3d printing with climate controlled processing
  • Method and apparatus for 3d printing with climate controlled processing

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0072] Other preferred specific embodiments are described below.

[0073] The basic components correspond to systems for layer-by-layer construction of models by means of inkjet printing technology, as known to those skilled in the art, and therefore need not be repeated here in great detail.

[0074] The sequence is preferably organized as follows: A layer of granular material is applied to the build platform and smoothed out. The printing liquid is then printed onto layers according to the layer data of the 3D model. A substantial part of the material used to bind the granules is provided in the powder in the form of dry granules. The dissolution process can now be accelerated by heating with IR lamps. After printing and heat treatment, the build platform is lowered and the process begins again.

[0075] These steps are repeated until the part is fully present in the constructed cake.

[0076] The quality of components produced in this way is evaluated on the basis of di...

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PUM

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Abstract

A method for producing 3D parts (103), wherein, layer by layer, particulate material is applied to a build platform (102) in a closed build chamber and optionally a printing liquid is applied, and the steps are This is repeated until a three-dimensional part is obtained (103), the relative air humidity or relative solvent fraction of the atmosphere in the build chamber is set to a selected value and / or the temperature within the build chamber is set to a selected temperature.

Description

technical field [0001] The invention relates to a method and a device for producing three-dimensional models by means of settable method parameters. Background technique [0002] A method for producing three-dimensional objects from computer data is described in European patent specification EP 0 431 924 B1. In this method, granular material is applied to a platform in a thin layer, and a binder material is selectively printed onto the granular material using a print head. The areas of the particles onto which the binder is printed stick together and cure under the influence of the binder and, if necessary, an additional hardener. The platform is then lowered a layer thickness distance into the build cylinder and coated with a new layer of granular material, which is also printed as described above. These steps are repeated until an object of a certain desired height is achieved. A three-dimensional object (also called a molded part or model) is thus produced from the pri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/165B29C64/20B29C64/393B33Y10/00B33Y30/00B33Y50/02
CPCB33Y10/00B33Y30/00B33Y50/02B33Y40/00B29C64/165B29C64/393B29C35/0288B29C2037/90B29C64/153B29C64/40B33Y70/10B33Y40/20B29C37/0025B29C35/045B29C67/0003B32B27/302B32B27/306B32B27/308B29C2071/0027B29K2105/251B29K2509/02B23K2103/36B23K2103/42
Inventor D·冈瑟J·冈瑟I·格努奇特尔M·拉索
Owner VOXELJET AG
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