公开(公告)号：US10821717B2

公开(公告)日：2020-11-03

申请号：US15217548

申请日：2016-07-22

Applicant: General Electric Company

Inventor： Travis Gene Sands ,  Stephen Michael Deak

IPC: B33Y10/00 ,  B29C64/282 ,  B29C64/129 ,  B29C64/241 ,  B29C64/273 ,  B33Y80/00 ,  B29C64/386 ,  B29C64/40 ,  B33Y30/00 ,  B33Y50/02

Abstract: A method is provided for making a workpiece in an additive manufacturing process in which a starting material is solidified in a layer by layer fashion, with each layer of the workpiece being solidified using a patterned image of radiant energy configured as a two-dimensional grid array of pixels. The method includes: for each layer of the workpiece, determining a preferred angular orientation of the grid array, relative to the layer; and orienting the patterned image to the preferred angular orientation before solidifying the starting material for that layer.

公开(公告)号：US10434759B2

公开(公告)日：2019-10-08

申请号：US15236102

申请日：2016-08-12

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Travis Gene Sands ,  Jerod Curtis Kruse ,  Johnny Deleon ,  Cory Riffe

IPC: B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00 ,  B33Y50/00 ,  B29C64/386 ,  B29C64/135 ,  B29K105/00 ,  B29L31/08

Abstract: The present disclosure generally relates to methods for additive manufacturing (AM) that utilize a computer aided design (CAD) model of a part to develop a layer representation of the part. The method includes: determining a build layer thickness of an additive manufacturing apparatus; identifying a feature of the part within the model; determining that the feature is not aligned along the z-axis based on the build layer thickness; and moving the feature within the model along the z-axis by a feature offset such that the feature is aligned along the z-axis.