Optimizing of selective laser sintering method
- Beijing Long Yuan Automatic Fabrication System Co. Ltd. (China)
In a SLS process, a computer-controlled laser scanner moves laser beam spot on flat powder bed and the laser beam heat the powder to cause sintering in the specific area. A series of such flat planes is linked together to construct a 3D object. SLS is a complex process which involves many process parameters. The laser beam properties, such as laser beam profile, intensity, and wave length, as well as its scanning speed and scanning path, are very important parameters. Laser properties, powder properties and sintering environment work together in a SLS process to determine whether SLS is successful. The objective of SLS is to make a part which has the same size as the CAD data. The accuracy of the final part from SLS is affected by a lot of parameters as mentioned above. How to control these parameters is a key to produce an acceptable final part. Laser parameters, powder material properties and processing environment can all affect the quality of SLS part. A lot of effort has been made in parametric analysis, material properties and processing environment for SLS by other researchers. The focus of this paper is to optimize laser parameters and scanning path to improve quality of SLS part and the processing speed. A scanning method is discussed to improve the quality and speed together.
- OSTI ID:
- 536373
- Report Number(s):
- CONF-9611124-; ISBN 0-8194-2289-4; TRN: IM9745%%212
- Resource Relation:
- Conference: SPIE photonics China `96, Beijing (China), 3-7 Nov 1996; Other Information: PBD: 1996; Related Information: Is Part Of Laser processing of materials and industrial applications; Deng, S.S.; Wang, S.C. [eds.]; PB: 437 p.; Proceedings/SPIE, Volume 2888
- Country of Publication:
- United States
- Language:
- English
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