Electric heating – Metal heating – By arc
Patent
1992-12-01
1994-12-13
Albritton, C. L.
Electric heating
Metal heating
By arc
21912182, B23K 2600
Patent
active
053731360
ABSTRACT:
The cutting head is displaceable along a cutting bridge which is in turn displaceable along transversal guidings, so as to be longitudinally and transversally displaceable over a working table in order to cut pieces from flat stock. Said material, or said pieces, respectively, lie on a supporting grate, and a second supporting grate can be discharged and charged with a new plate during the machining operation. Both of said supporting grates can selectively be brought to a desired position. More particularly, both supporting grates can be removed from said working table in order to render its interior accessible and free. By means of a turning axle which is journalled on the table mount, a tube or a profile can then be inserted in said turning axle by a charging device in order to be machined. The machining installation is thus very versatile, allows a rational processing and due to a good accessibility, a comfortable operation when retooling from one to the other processing mode. Preferably, the laser beam is guided through a movable shear comprising tubes of a constant length, whereby the optical distance between the laser source and the cutting head can be kept constant.
REFERENCES:
patent: 3528424 (1970-09-01), Ayres
patent: 4609807 (1986-09-01), Morrissy et al.
patent: 5049723 (1991-09-01), Macdonald
patent: 5132510 (1992-07-01), Klingel et al.
Patent Abstracts of Japan, "Equipment For Machining Pipe by Laser Beam Machine", vol. 10, No. 83, Apr. 2, 1986.
Ernst Zumstein
Urs Hunziker
Albritton C. L.
Bystronic Laser AG
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