Optical device for laser machining

Details Optical device for laser machining Optical device for laser machining

1995-10-04

1997-11-25

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

B23K 2606

Patent

active

056908458

ABSTRACT:
A unit for splitting a laser beam into a plurality of beams is provided separately from a converging unit so that both units can be manufactured easily, replaced at low cost and are less likely to be polluted or damaged during laser machining. A laser beam produced by a laser oscillator and guided into a machining head through a transmitter is split into a plurality of beams by a plane reflecting mirror. The laser beams thus split are reflected by another reflecting mirror having a single paraboloidal surface so as to be converged on focal points. The first plane reflecting mirror comprises two semicircular mirrors which can be inclined independently of each other.

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patent: 5164584 (1992-11-01), Wike, Jr. et al.
Patent Abstracts of Japan, Publication No. JP 1313196, Dec. 18, 1989.
Patent Abstracts of Japan, Publication No. JP 61088989, May 1986.
Patent Abstracts of Japan, Publication No. JP 1143785, Jun. 1989.
Patent Abstracts of Japan, Publication No. 07080672, Mar. 3, 1995.
Patent Abstracts of Japan, Publication No. 07060470, Mar. 7, 1995.

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