Guidance device for a laser beam for three-dimensional machining

Details Guidance device for a laser beam for three-dimensional machining Guidance device for a laser beam for three-dimensional machining

1985-11-27

1987-09-15

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LG, 219121LQ, 219121LV, B23K 2608

Patent

active

046941398

ABSTRACT:
In a guidance device for a laser beam (17) repeatedly reflected at 45.degree. mirrors at least six controllable movement axes (X, Y, Z, 4, 5, 7) are provided, of which two movement axes (5,7) are horizontal swiveling axes (11, 14), whereby the one swiveling axis (14) is assigned to the laser head (15). It can be achieved not only with two-dimensional cuts but also with three-dimensional cuts by appropriate adjustment of the swiveling angles (.alpha.,.beta.) at the swiveling axes (11, 14) and by a sufficient distance between the two swiveling axes (11, 14), that the point of intersection (27) on the workpiece (26) is always located vertically under the Z-movement axis, whereby the movement programming of the device is simplified. By adjustment of equal swiveling angles (.alpha.,.beta.) simplified circular arc cuts can be performed by rotation around only one movement axis (4) at horizontal workpieces. By arrangement of up to four swiveling axes according to additional embodiment versions of the guidance device simplified arc cuts can be realized also in non-horizontal workpieces, whereby at the same time an extraordinary extensive adaptability of the device to all cutting situations occurring with three-dimensional workpieces is achieved.

REFERENCES:
patent: 4465919 (1984-08-01), Roder
patent: 4473074 (1984-09-01), Vassiliadis
patent: 4539462 (1985-09-01), Plankenhorn
patent: 4563567 (1986-01-01), Geffroy et al.

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