Arrangement for machining a workpiece by means of a laser beam

Details Arrangement for machining a workpiece by means of a laser beam Arrangement for machining a workpiece by means of a laser beam

1988-08-29

1989-09-12

Albritton, C. L.

Electric heating

Metal heating

By arc

21912167, 2191217, B23K 2600

Patent

active

048662445

ABSTRACT:
An arrangement for machining material by means of a laser beam includes a laser and an exit window mounted between the laser and the workpiece to be machined. The exit window is made of a highly-interlaced plastic to substantially prevent a contamination of the window by means of material splatterings during the machining operation. The highly-interlaced plastic has a high elasticity in microscopic regions. Such a window made, for example, from allyldiglocylcarbonate has a long service life which extends to several days in automatically operating equipment for spot welding with a laser beam.

REFERENCES:
patent: 3656230 (1972-10-01), Friedrich
patent: 3749878 (1973-07-01), Sullivan et al.
patent: 3982206 (1976-09-01), Poulsen
patent: 4149062 (1979-04-01), Limmer et al.
patent: 4162390 (1979-07-01), Kelly
patent: 4590248 (1986-05-01), Moriya et al.
patent: 4653495 (1987-03-01), Nanaumi

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