Apparatus and methods for laser severing metal tubular stock

Details Apparatus and methods for laser severing metal tubular stock Apparatus and methods for laser severing metal tubular stock

1984-12-28

1986-09-02

Paschall, M. H.

Electric heating

Metal heating

By arc

219121FS, 219121LT, 219121LU, B23K 2600, B23K 2606

Patent

active

046098070

ABSTRACT:
A system for separating tubular metallic stock into discrete lengths at multiple work stations wherein spindles support and grip tubes and rotate them through a revolution of travel, a laser unit emits a laser beam, a beam bender has a traveling carriage for alternately positioning a reflector to direct the beam toward first one station and then another, and a focusing head receives the beam at each work station. Each focusing head has a lens assembly for directing the beam out an axial convergent nozzle at the rotating stock and focusing it to remove material at the surface of the stock, and a vortexing stream of combustible gas is directed at the rotating stock to enhance the laser vaporizing action which separates the stock into discrete lengths at each station.

REFERENCES:
patent: 4039799 (1977-08-01), Stumpf
patent: 4248369 (1981-02-01), Clausen
patent: 4322600 (1982-03-01), Crahay
patent: 4467171 (1984-08-01), Ramos

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