公开(公告)号：US20170326815A1

公开(公告)日：2017-11-16

申请号：US15153445

申请日：2016-05-12

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Christian Xavier STEVENSON ,  Patrick Michael KENNEY ,  John William MOORES ,  David CORSMEIER

IPC: B29C67/00

Abstract: The present disclosure generally relates to methods for additive manufacturing (AM) that utilize rail support structures in the process of building objects, as well as novel rail support structures to be used within these AM processes. The rail support structures include a plurality of substantially parallel vertical walls, each wall extending substantially parallel to a direction from the first side to the second side. Adjacent walls of the plurality of substantially parallel vertical walls are separated by a portion of unfused powder. An object is formed above the plurality of substantially parallel vertical walls.