A dry powder jet printer for dispensing and combinatorial research
A dry powder jet printer for dispensing and combinatorial research
In this letter we describe a simple device built from a laboratory ultrasonic generator and a glass capillary that can ‘jet’ samples of dry powder of mass down to 0.05 mg. Placed over a three-axis table, it provides an ink-jet printer for powders. It can be used for any application requiring precise placement of powder samples but our primary interest is its use in so-called second generation solid freeforming (SFF). Particularly useful in selective laser sintering, the method allows each layer of powder to be patterned with different compositions so that both shape and composition of an entire engineering component can be downloaded from a computer file.
powder printer, powder dispensing, rapid prototyping
219-222
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Evans, Julian R.G.
4eee463a-4dd3-4ef2-b9bc-784246b68ad2
30 April 2004
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Evans, Julian R.G.
4eee463a-4dd3-4ef2-b9bc-784246b68ad2
Yang, Shoufeng and Evans, Julian R.G.
(2004)
A dry powder jet printer for dispensing and combinatorial research.
Powder Technology, 142 (2-3), .
(doi:10.1016/j.powtec.2004.05.005).
Abstract
In this letter we describe a simple device built from a laboratory ultrasonic generator and a glass capillary that can ‘jet’ samples of dry powder of mass down to 0.05 mg. Placed over a three-axis table, it provides an ink-jet printer for powders. It can be used for any application requiring precise placement of powder samples but our primary interest is its use in so-called second generation solid freeforming (SFF). Particularly useful in selective laser sintering, the method allows each layer of powder to be patterned with different compositions so that both shape and composition of an entire engineering component can be downloaded from a computer file.
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Published date: 30 April 2004
Keywords:
powder printer, powder dispensing, rapid prototyping
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 165083
URI: http://eprints.soton.ac.uk/id/eprint/165083
ISSN: 0032-5910
PURE UUID: 0289c995-48e6-4b72-bcfb-1516fadf805c
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Date deposited: 07 Oct 2010 10:13
Last modified: 14 Mar 2024 02:09
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Author:
Julian R.G. Evans
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