Method and apparatus for controlling weld bead shape to eliminat

Details Method and apparatus for controlling weld bead shape to eliminat Method and apparatus for controlling weld bead shape to eliminat

1987-01-27

1988-11-01

Shaw, Clifford C.

Electric heating

Metal heating

For deposition welding

219 7612, 219137R, B23K 904

Patent

active

047822066

ABSTRACT:
A method and apparatus for eliminating microfissure defects in shape melted austenitic material components by closely controlling the deposited weld bead shape to a geometry where the underbead shape has no sharp discontinuties. Oscillation of the welding torch head during the process is used to smooth out the weldbead shape and is especially adapted for use with gas metal-arc welding processes.

REFERENCES:
patent: 2813190 (1957-11-01), Felmley
patent: 3019327 (1962-01-01), Engel
patent: 4258242 (1981-03-01), Fujimori et al.
patent: 4404450 (1983-09-01), Weldon
patent: 4409466 (1983-10-01), Commeau

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