Reduced heat input keyhole welding through improved joint design

Details Reduced heat input keyhole welding through improved joint design Reduced heat input keyhole welding through improved joint design

1991-06-17

1993-02-02

Albritton, C. L.

Electric heating

Metal heating

By arc

219105, B23K 1500

Patent

active

051839890

ABSTRACT:
An improved high energy density welding method for reducing input keyhole welding prepares the weld joint (8) between two edges (10, 14) of at least one member by separating the edges (10, 14) of the member (12, 16) with a controllable gap (22) by a projecting portion (24) selectively positioned on one edge (10, 14) of the member (12, 16). The projecting portion (24) closely abuts the other edge of the member for maintaining the controlled distance (d) of the controllable gap (22) to enhance the welding method.

REFERENCES:
patent: 3613107 (1971-10-01), Cavagnero
patent: 3626140 (1971-12-01), Peyrot
patent: 4176270 (1979-11-01), Sailas
Welding and Brazing of Carbon Steels, pp. 151-160, American Welding Society, 1968.

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