Title:
POWDER PADDING METHOD
Document Type and Number:
Japanese Patent JP2014172057
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a powder padding method, being low like 10% or less in the dilution ratio of a weld bead, capable of using even metallic powder composed of a hard-to-work material and a hard-to-weld material, capable of quickening a weld speed, and also easy in padding on a surface of a metal base material of a vertical attitude.SOLUTION: In the powder padding method, a torch 1 is arranged in a horizontal attitude having the axial direction orthogonal to a surface on the surface of a metal base material W1 set in a vertical attitude, and a plasma arc pa is emitted from a central part of a tip 11 positioned on the tip of the torch 1, and the metallic powder mp to be padded on the upper side in the tip part vicinity of the plasma arc pa is supplied from a discharge hole 9 opening in an upper part of a tip surface 12 of the tip 11, and confronting downward advance weld is executed by moving any one of the metal base material W1 or the torch 1 along the vertical direction.
Inventors:
YAMADA SHINNOSUKE
NAMIKAWA HIROTAKA
NAMIKAWA HIROTAKA
Application Number:
JP2013044915A
Publication Date:
September 22, 2014
Filing Date:
March 07, 2013
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
B23K10/02; B23K9/04
Domestic Patent References:
| JPH07100655A | 1995-04-18 | |||
| JP2002066745A | 2002-03-05 | |||
| JP2002003978A | 2002-01-09 | |||
| JPH01306064A | 1989-12-11 | |||
| JPH05154690A | 1993-06-22 | |||
| JPH11320103A | 1999-11-24 | |||
| JPS6092080A | 1985-05-23 | |||
| JPH06249057A | 1994-09-06 | |||
| JPS5527417A | 1980-02-27 |
Attorney, Agent or Firm:
Manabu Suzuki