B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/02 (2006.01) B23K 26/067 (2006.01)
Patent
CA 2159887
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.
Fetherstonhaugh & Co.
Sumitomo Electric Industries Ltd.
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