Chandan Deep Singh
Effect of Laser Power on Component Strength in Laser Sintering
Buch
Prototyping or model making is one of the important steps to finalize a product design. It helps in conceptualization of a design. Before the start of full production a prototype is usually fabricated and tested. RP processes namely Stereo-lithography (SL), Selective Laser Sintering (SLS), Fused Deposition Modelling (FDM) and Laminated Object Manufacturing (LOM) are described. In Selective Laser Sintering (SLS) process, fine polymeric powder like polystyrene, polycarbonate or polyamide etc. (20 to 100 micrometer diameter) is spread on the substrate using a roller. Before starting CO2 laser scanning for sintering of a slice the temperature of…
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Beschreibung
Prototyping or model making is one of the important steps to finalize a product design. It helps in conceptualization of a design. Before the start of full production a prototype is usually fabricated and tested. RP processes namely Stereo-lithography (SL), Selective Laser Sintering (SLS), Fused Deposition Modelling (FDM) and Laminated Object Manufacturing (LOM) are described. In Selective Laser Sintering (SLS) process, fine polymeric powder like polystyrene, polycarbonate or polyamide etc. (20 to 100 micrometer diameter) is spread on the substrate using a roller. Before starting CO2 laser scanning for sintering of a slice the temperature of the entire bed is raised just below its melting point by infrared heating in order to minimize thermal distortion (curling) and facilitate fusion to the previous layer. The laser is modulated in such a way that only those grains, which are in direct contact with the beam, are affected. Once laser scanning cures a slice, bed is lowered and powder feed chamber is raised so that a covering of powder can be spread evenly over the build area by counter rotating roller.
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Produktdetails
Weitere Autoren: Singh, Daler / Singh, Sukhjinder
- ISBN: 978-3-330-05486-8
- EAN: 9783330054868
- Produktnummer: 37541644
- Verlag: LAP Lambert Academic Publishing
- Sprache: Englisch
- Erscheinungsjahr: 2017
- Seitenangabe: 84 S.
- Masse: H22.0 cm x B15.0 cm x D0.5 cm 143 g
- Abbildungen: Paperback
- Gewicht: 143
Über den Autor
Dr. Chandan Deep Singh is working as an assistant professor in deptt. of mechanical engg., Punjabi University, Patiala. He has completed his Ph.D. in mechanical engg. in 2016. He has around 60 publication in various international journals to his name and has guided around 30 students for M.Tech. thesis.
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