Fiber optic laser joining apparatus

Details Fiber optic laser joining apparatus Fiber optic laser joining apparatus

1988-12-22

1990-03-06

Albritton, C. L.

Electric heating

Metal heating

By arc

21912183, 21912184, B23K 2600

Patent

active

049068121

ABSTRACT:
Fiber optic laser apparatus for spot welding, brazing, or soldering comprises an optical fiber for transmitting a laser beam to a workpiece, and a tool disposed at an output end of the optical fiber for mechanically engaging and applying pressure to the workpiece. The output end of the optical fiber is supported within a longitudinal bore of the tool with the tip of the fiber closely adjacent to an opening in a workpiece-engaging end of the tool. The diverging laser beam from the end of the optical fiber projects a spot onto the workpiece through the opening with sufficient power to cause melting without the necessity for a lens system for focusing of the laser beam.

REFERENCES:
patent: 3383491 (1968-05-01), Muncheryan
patent: 3622743 (1971-11-01), Muncheryan
patent: 4121087 (1978-10-01), Malmuth et al.
patent: 4564736 (1986-01-01), Jones et al.
patent: 4578554 (1986-03-01), Coulter
patent: 4676586 (1987-06-01), Jones et al.
patent: 4681396 (1987-07-01), Jones

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