Additively manufactured non-contact support
US-2016236277-A1 · Aug 18, 2016 · US
Process of forming a metal part from a metal powder using a laser to melt the metal powder over a support surface that can be easily removed after the metal part has been formed
US9643281B1 · US · B1
| Field | Value |
|---|---|
| Publication number | US-9643281-B1 |
| Application number | US-201614991469-A |
| Country | US |
| Kind code | B1 |
| Filing date | Jan 8, 2016 |
| Priority date | Jan 8, 2016 |
| Publication date | May 9, 2017 |
| Grant date | May 9, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A process of forming a metal part from a metal powder using a laser to melt the metal powder, where a complex part can be formed in which a support structure is formed from lightly bonding metal powder together without melting so that a support structure can be formed, or melting metal powder to form thin ligaments capable of forming a support layer within the metal powder that can be easily broken away when the metal part is finished. The lightly bonded support layer of metal powder can be formed using a ceramic slurry or controlling the laser power or speed so that the metal powder is not melted but lightly bonded together.
First claim
Opening claim text (preview).
We claim the following: 1. A process for manufacturing a metal part from a metal powder using a laser to melt the metal powder comprising the steps of: depositing layers of metal powder on to a platen; using a laser to melt certain areas of the metal powder to form a section of the metal part; lightly bonding together certain areas of layers of metal powder to form a support surface for an overhanging section of the metal part dispensing a slurry of ceramic material capable of withstanding a melting temperature of the metal powder being supported by the ceramic slurry to form the support surface for the overhanging section of the metal part; depositing additional layers of metal powder over the support surface; using the laser to melt certain areas of layers of the metal powder supported on the support surface to form an overhanging section of the metal part; and, removing any unmelted metal powder and the support surface from the metal part.
Assignees
Inventors
Classifications
- B23K26/342Primary
Build-up welding · CPC title
by mechanical means · CPC title
characterised by structural features · CPC title
Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM] · CPC title
Auxiliary operations or equipment · CPC title
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- What does patent US9643281B1 cover?
- A process of forming a metal part from a metal powder using a laser to melt the metal powder, where a complex part can be formed in which a support structure is formed from lightly bonding metal powder together without melting so that a support structure can be formed, or melting metal powder to form thin ligaments capable of forming a support layer within the metal powder that can be easily br…
- Who is the assignee on this patent?
- Memmen Robert L, Pinera Alex, Florida Turbine Tech Inc
- What technology area does this patent fall under?
- Primary CPC classification B23K26/342. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue May 09 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).