Method for welding torque converter blades to a housing using a

Details Method for welding torque converter blades to a housing using a Method for welding torque converter blades to a housing using a

1988-06-06

1989-09-19

Albritton, C. L.

Electric heating

Metal heating

By arc

291568B, 21912114, 416213A, B23K 2600

Patent

active

048683655

ABSTRACT:
A method for welding torque converter blades to an impeller housing by laser beam welding includes forming the blades with a tab fitted within a recess formed in the impeller housing such that the blade tab stands clear of the adjacent surfaces of the housing by the width of an air gap. A laser beam is directed onto an adjacent surface of the housing a short distance from an edge of the housing adjacent a blade tab to be welded to the housing. A laser beam, whose axis is inclined with respect to the recess, strikes a surface of the housing adjacent the tab. The welding gun is energized with electrical power and the welding beam is moved parallel to the blade tab at a predetermined speed consistent with the power. The blade tab is welded to the housing without the use of filler material and the housing is rotated with respect to its longitudinal axis to bring successive blade tabs into position for welding.

REFERENCES:
patent: 2692562 (1954-10-01), Zeidler
patent: 3316622 (1967-05-01), Jandasek
patent: 3873237 (1975-03-01), Tokunaga
patent: 3891350 (1975-06-01), Adachi et al.
patent: 3932061 (1976-01-01), Scott
patent: 4201516 (1980-05-01), Kolk et al.
patent: 4240532 (1980-12-01), Blomquist
patent: 4288677 (1981-09-01), Sakata et al.
patent: 4598449 (1986-07-01), Monhardt et al.

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