公开(公告)号：US20140010643A1

公开(公告)日：2014-01-09

申请号：US14023928

申请日：2013-09-11

Applicant: ALSTOM Technology Ltd.

Inventor： Arnaud Buguin ,  Dominique Travenrs

IPC: B23P15/04

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.

Abstract translation: 本发明涉及一种用于制造汽轮机低压或中压模块偏转器的方法，所述偏转器包括内环和外环以及叶片，所述方法包括将所述叶片焊接到所述环上的步骤。 根据本发明的方法的主要特征在于，焊接步骤之前是自动加工每个叶片的端部以在每个端部周围形成周边凹部的步骤。