公开(公告)号：US09604323B2

公开(公告)日：2017-03-28

申请号：US14023928

申请日：2013-09-11

Applicant: ALSTOM Technology Ltd.

Inventor： Arnaud Buguin ,  Dominique Travers

IPC: B23K31/02 ,  B23P15/04 ,  B23P15/00 ,  F01D9/04

CPC classification number: B23P15/04 ,  B23K2101/001 ,  B23P15/006 ,  F01D9/044 ,  F05D2230/232 ,  Y10T29/49316

Abstract: The invention relates to a method for manufacturing a steam turbine low-pressure or medium-pressure module deflector, said deflector comprising an internal ring and an external ring as well as vanes, said method comprising a step of welding said vanes to said rings. The main characteristic of a method according to the invention is that the welding step is preceded by a step of automatically machining the ends of each vane to create a peripheral recess around each of said ends.