Method and device for producing three-dimensional models

A three-dimensional, structural space technology, applied in the field of manufacturing three-dimensional models, can solve problems such as component length limitations, achieve the effects of simplifying implementation, slowing down the tendency of failure, reducing wear and driving force and driving performance

Active Publication Date: 2015-01-07
VOXELJET AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this method the part length is limited by the length of the device used

Method used

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  • Method and device for producing three-dimensional models
  • Method and device for producing three-dimensional models
  • Method and device for producing three-dimensional models

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] figure 1 A prior art device is shown. A coating unit 2 coats a layer comprising particulate material on a build platform 3 . Finally, the granular material is selectively cured with the help of computer-supplied data. exist figure 1 , this area is indicated by the number 4. The vertical direction is here indicated by reference numeral 5 . After curing, the build platform 3 is reduced by one layer thickness and then generates another layer.

[0064] exist figure 2 , a cross-sectional view of the same device is shown. Several layers have been generated. The limiting factor in the course of the prior art method is the construction container indicated by reference number 7 in the figure. After a certain level 6 has been constructed, the container 7 must be emptied or replaced.

[0065] image 3 Shows the feed of granular material that can be made without limitation. Its front side has a certain angle 8 with respect to the horizontal plane 10 . The feed consists...

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Abstract

The present invention relates to a method for producing three-dimensional objects in accordance with computer data by repeated application of layers of a particle-containing medium and selective solidification of said medium, wherein a fill of medium is provided on a construction area and a layer of medium is applied to a fill surface area adjoining the construction area with an angle (ß) by means of a coating unit and solidification takes place according to computer data by means of a solidification unit, characterized in that the fill is not moved during construction of the objects.

Description

technical field [0001] The invention relates to a method for manufacturing a three-dimensional model according to the general concept of claim 1 and an apparatus according to the general concept of claim 8 . Background technique [0002] In European patent application EP 0 431 924 B1 a method for producing three-dimensional model objects from computer data is described. In this method, granular material is deposited in thin layers onto a platform, and a binding material is selectively printed onto the granular material using a print head. The grainy areas of the printing binder stick together and cure under the influence of the binder and, if required, additional hardener. The platform is then lowered a layer thickness distance into the build cylinder and provided with a new layer of particulate material also printed as above. Repeat these steps until the desired height of the object is obtained. Three-dimensional objects are thereby produced from the printing and curing ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): B29C67/00B22F3/105
CPCB22F2003/1056B22F3/1055B29C64/153B29C64/165B29C64/227B29C64/245Y02P10/25B22F10/28B22F12/22B22F10/70B22F12/224B22F12/60B22F12/30B33Y10/00B33Y30/00
Inventor约翰尼斯·冈瑟丹尼尔·冈瑟安德里亚斯·哈特曼
OwnerVOXELJET AG