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

B - Operations, Transporting

23

K

327/1.5

B23K 26/00 (2006.01) B23K 26/067 (2006.01) B23K 26/08 (2006.01) B23K 26/36 (2006.01)

Patent

CA 1245300

APPARATUS AND METHODS FOR LASER SEVERING METAL TUBULAR STOCK ABSTRACT OF THE DISCLOSURE 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.

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