Integration of Numerical Modeling and Laser Sintering with Investment Casting

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dc.creatorPintant, T
dc.creatorSindel, M.
dc.creatorGreul, M.
dc.creatorBurblies, A.
dc.creatorWiklening, C.
dc.date.accessioned2018-10-03T15:21:21Z
dc.date.available2018-10-03T15:21:21Z
dc.date.issued1994
dc.description.abstractIndustry has a great demand for metallic prototypes to speed up product development. At present there are several RP-technologies for direct fabrication of metal components in development. Today secondary processing of polymer or wax models, like investment casting or sand casting, is a very common way for the production of metallic prototypes. There are, however, several problems in investment casting resulting from laser sintered models made of wax or polycarbonate. Recently a polymer mixture consisting of nylon material and a second polymer has been tested with the laser sinter process in a newly developed sinter machine (EOSINT 350 - 60). Shells for investment casting could be prepared easily with the models in a conventional assembly-line. Several castings of laser sintered models in Al were successfully realized. In future, integration of modeling based on FEM calculations with RP for castings will become more important. Calculations will support the designer to optimize the structure of components and their processing. A viable method will be presented where a new FEM based calculation method to optimize the structure design of a model is integrated with RP. Optimizing castings with FEM will be supported by integration with RP.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifierdoi:10.15781/T2DZ03M36
dc.identifier.urihttp://hdl.handle.net/2152/68643
dc.language.isoengen_US
dc.relation.ispartof1994 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectInvestment castingen_US
dc.subjectLaser sinteringen_US
dc.subjectRapid prototypingen_US
dc.titleIntegration of Numerical Modeling and Laser Sintering with Investment Castingen_US
dc.typeConference paperen_US

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1994 International Solid Freeform Fabrication Symposium