公开(公告)号：US20170225403A1

公开(公告)日：2017-08-10

申请号：US15402717

申请日：2017-01-10

Applicant: ROLLS-ROYCE plc

Inventor： Stewart T. WELCH ,  Robert BOWERMAN

IPC: B29C67/00 ,  B33Y30/00 ,  B33Y40/00

CPC classification number: B33Y40/00 ,  B22F2003/1056 ,  B29C64/124 ,  B29C64/153 ,  B29C64/20 ,  B29C64/214 ,  B29C64/307 ,  B29C64/321 ,  B29C64/40 ,  B33Y30/00 ,  Y02P10/295

Abstract: A doctor device (10, 11) configured for use in recoating in an operating additive layer manufacturing apparatus is configured, in use, to flex on a first sweep across a surface (8a) and remain stiff relative to the flexibility exhibited in the first sweep during a second sweep of the surface.