High-Speed Curtain Recoating for Stereolithography

dc.creatorGillo, M.
dc.creatorKruth, J.-P.
dc.creatorVanherck, P.
dc.date.accessioned2019-10-09T16:02:39Z
dc.date.available2019-10-09T16:02:39Z
dc.date.issued2001
dc.description.abstractThe University of Leuven uses a liquid curtain recoating system for resin deposition in stereolithography. This system deposits new liquid layers of photo-polymer by means of a liquid curtain travelling over the build vat. Experiments have been carried out to increase the speed of the liquid curtain while depositing a layer. Speeds up to 1.2 m/s, and accelerations up to 1 g have been tested successfully, meaning that it is possible to coat high-quality layers of 75 µm thickness with this recoating technique. However, the curtain restores too slowly after acceleration. This paper discusses possible reasons and tries to formulate adequate solutions. Possible solutions consist in controlling small pressure differences in the curtain’s neighbourhood. A solution to this problem is necessary, as to make the travelling length of the curtain, and so the machine length acceptable with respect to the dimensions of the build vat.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/76146
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/3235
dc.language.isoengen_US
dc.relation.ispartof2001 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectRecoatingen_US
dc.titleHigh-Speed Curtain Recoating for Stereolithographyen_US
dc.typeConference paperen_US

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