LAYER ORIENTATION CONTROL FOR PIXEL-BASED ADDITIVE MANUFACTURING

A method of making a workpiece in an additive manufacturing process includes determining a preferred angular orientation of the grid array about a build axis extending perpendicular to a layer to be built for a first layer of a workpiece. The preferred angular orientation is selected to align an edg...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Deak, Stephen Michael, Sands, Travis Gene
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of making a workpiece in an additive manufacturing process includes determining a preferred angular orientation of the grid array about a build axis extending perpendicular to a layer to be built for a first layer of a workpiece. The preferred angular orientation is selected to align an edge of one or more pixels with an edge of the layer of the workpiece being built. The method further includes orienting a patterned image of radiant energy to the preferred angular orientation by rotating a projector before solidifying a portion of a resin that forms the first layer of the workpiece.