Atomization device

Pending Publication Date: 2022-11-03
FUNDACIO EURECAT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Then, when the metal reaches the edge of the disc, the surface tension is insufficient to maintain the bulk liquid mass and accordingly turns into a spray of small droplets which solidify and form a powder.
To that end, t

Method used

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  • Atomization device

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Embodiment Construction

[0020]The atomization device of the invention solves the mentioned drawbacks and presents other advantages that will be described below.

[0021]The atomization device according to the present invention comprises a motor rotatably driving a spinning disc by means of a rotating shaft, and cooling means for cooling said spinning disc, wherein said cooling means comprise a cooling circuit extending around at least one portion of the rotating shaft and below at least one portion of said spinning disc.

[0022]Because the cooling circuit is not located in the actual rotating shaft, it is possible for the drive system of the disc to be simpler, enabling perfect alignment of the rotating shaft of the motor with the spinning disc. This minimizes rotating moving parts, which prevents vibrations from being produced.

[0023]According to a preferred embodiment, said cooling circuit is located in a stationary base in turn acting as a collector for the cooling circuit, comprising at least one inlet and o...

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Abstract

The atomization device comprises a motor (1) rotatably driving a spinning disc (2) by means of a rotating shaft (3), and cooling means for cooling said spinning disc (2), wherein said cooling means comprise a cooling circuit (4) extending around at least one portion of the rotating shaft (3) and below at least one portion of said spinning disc (2). The invention allows providing an atomization device in which the rotating shaft of the motor is perfectly aligned with the spinning disc, thereby avoiding the use of mechanical transmission elements.

Description

[0001]The present invention relates to a metal powder atomization device, particularly to a centrifugal atomization device in which molten metal is dispersed in the form of particles due to centrifugal force upon contact with a spinning disc.BACKGROUND OF THE INVENTION[0002]Atomization is a process of breaking up a bulk liquid into small droplets. Any material existing in liquid state can be atomized into micrometer-sized particles. This technique is used to produce elemental metal powder or alloys.[0003]Metal powder has a number of industrial applications, among which conventional powder metallurgy for the manufacture of parts by compaction and powder sintering, the formation of coatings by means of spray techniques, or the manufacture of components by means of additive manufacturing techniques stand out.[0004]There are different atomization processes distinguished from one another by the techniques used for breaking up the fluid being used. These can be classified as:[0005]Atomiza...

Claims

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Application Information

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IPC IPC(8): B22F9/10
CPCB22F9/10
Inventor PIJUAN CASES, JORDIGRANÉ VILASECA, MARCHERNÁNDEZ ROSSI, RICARDORIERA COLOM, MARÍA DOLORES
Owner FUNDACIO EURECAT
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