Title:
A WELDING METHOD FOR OGV INNER RING BY USING TIG WELDING
Document Type and Number:
WIPO Patent Application WO/2017/017550
Kind Code:
A3
Abstract:
The present application relates to a welding method for OGV Inner Ring consisting of central ring (1) provided with stubes (2), stubes (2), with V-type calking with an angle of 10°, vanes (3), with V-type calking with an angle of 30°, constituting the welding joint together with the stubes (2), positioning tool provided with an argon diffuser, connected to a control unit through a hose, TIG torch provided with trailing shield diffuser, welding wires, cleaning apparatus to keep said welding wires in a liquid solution, sterilization apparatus to keep said welding wires in a sterile environment, diffuser in the inner surface of said central ring at each stube, provided with a plurality of holes connected to the control unit through a hose, control unit for emission of the argon gas, which is carried out in the following sequential steps : positioning each vane (3) at the related stube (2), cleaning and sterilizing the welding wires, Tack Weld, welding.
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Inventors:
GARGANO ALESSIO (IT)
Application Number:
PCT/IB2016/054168
Publication Date:
April 06, 2017
Filing Date:
July 13, 2016
Export Citation:
Assignee:
GARGANO ALESSIO (IT)
International Classes:
B23K9/00; B23K9/12; B23K9/167; B23K9/173; B23K9/23; B23K9/235; B23K9/32; B23K35/22; B23K35/32; F01D5/30; B23K101/00; B23K103/14
Foreign References:
| US20030000602A1 | 2003-01-02 | |||
| CN102753299A | 2012-10-24 | |||
| CN100448412C | 2009-01-07 |
Attorney, Agent or Firm:
FIAMMENGHI, Eva et al. (IT)
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