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Screening device for the generative manufacturing of components

A generative and screening technology, applied in the direction of additive manufacturing, processing manufacturing, manufacturing tools, etc., can solve problems such as prolonging preparation time

Active Publication Date: 2018-02-16
CONCEPT LASER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This oversize fraction then has to be re-sieved during the preparation time of the plant, some also several times, which on the one hand is laborious and on the other hand prolongs the preparation time

Method used

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  • Screening device for the generative manufacturing of components
  • Screening device for the generative manufacturing of components
  • Screening device for the generative manufacturing of components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] See first illustration 8 of the accompanying drawings.

[0017] exist Figure 8 A device 1 for producing a component 2 by successively solidifying individual layers 3 of a powdery curable construction material 4 is schematically shown in , wherein the construction material 4 is melted or melted by laser radiation 5 and is cooled are then connected into solid components. Such a device 1 comprises a coating device 6 for applying a powder layer 3 onto a preferably height-adjustable carrier 7, a metering device 8 for supplying the coating device with building material 4, a An overflow container 9 for unneeded construction material 4 and a sieve device 10, which is designed according to FIG. feature. In the prior art, the sieving device 10 comprises a powder inlet 11, whereby excess building material 4 from the overflow container 9 is fed into the sieving process. The sieving material consisting of particles of different sizes falls onto the sieve 12 of the sifting devic...

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PUM

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Abstract

The invention relates to a screening device (10) for use in an apparatus (1) for the generative manufacturing of components (2) by successive solidification of individual layers (3) of pulverulent solidifiable construction material (4) by action of radiation, comprising a coating device (6) for applying the layers (3) to a carrier (7), a metering device (8) for providing the pulverulent construction material (4), an overflow container (9) for receiving construction material (4) that is not required in the coating operation, said construction material (4) being able to be fed to the screening device (10) for screening the powder material discharged into the overflow container (9) during the construction process, wherein a screen (12) of the screening device (10) is configured at least regionally in an inclined manner such that, after striking the screen (12), the construction material (4) to be screened is first of all guided at an initial speed over the surface of the screen (12) and then the transport speed of the construction material (4) over the screen surface decreases or is reduced to a lover speed.

Description

technical field [0001] The invention relates to a sieve device for use in a device for the generative production of components by successively solidifying layers of powdery construction material. In such generative construction devices, a powdery construction material is applied layer by layer to the base, the layers are melted or fused in partial regions by means of radiation—in particular laser radiation—and thus joined to form a solid body . A known generative construction device comprises a cladding device for applying a powder layer onto a carrier body, a metering device for supplying the cladding device with construction material, an overflow container for containing the construction material, which is It is not required during the cladding process and can be fed to a screening device for screening construction material that is discharged into an overflow container during the construction process. Background technique [0002] Known sieve devices used in generative c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/314B29C64/153B33Y40/00B07B1/46B29B13/10
CPCB07B13/16B07B2201/04B29C64/35B33Y30/00B29C64/153B07B1/4609
Inventor F·赫尔佐克F·贝希曼F·舒德尔
Owner CONCEPT LASER
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