Laser beam optical system and laser beam machining method using

Details Laser beam optical system and laser beam machining method using Laser beam optical system and laser beam machining method using

1990-10-25

1992-05-12

Albritton, C. L.

Electric heating

Metal heating

By arc

21912172, 21912174, 21912177, B23K 2600

Patent

active

051130556

ABSTRACT:
A laser beam optical system has a plurality of beam reflectors having respective reflecting faces and spacedly supported for rotation in one direction about a common axis which is either in alignment with or parallel to the path of travel of a laser beam emitted from a single beam oscillator. Each of the reflectors is also supported on a common drive shaft with the respective reflecting face inclined at a predetermined angle relative to the drive shaft so that the laser beam can impinge thereupon at an angle of incidence of 45.degree.. Those reflectors on the common drive shaft are so coordinated with each other that the reflectors can selectively deflect the laser beam, emitted from the single beam oscillator, towards corresponding condenser lenses during the rotation of the reflectors together with the drive shaft.

REFERENCES:
patent: 3256524 (1966-06-01), Stauffer
patent: 3997964 (1976-12-01), Holbrook et al.
patent: 4118619 (1978-10-01), McArthur et al.
patent: 4410785 (1983-10-01), Lilly, Jr. et al.
patent: 4701591 (1987-10-01), Masaki et al.

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