Electric heating – Metal heating – By arc
Patent
1998-01-30
1999-09-07
Mills, Gregory
Electric heating
Metal heating
By arc
2191216, 21912167, 21912184, B23K 2608
Patent
active
059482923
ABSTRACT:
The laser machining apparatus according to the present invention holds a plate-formed work W giving tension thereto, and comprises a driver base/a work base driving the work in the axial direction, a converging lens for a laser beam L, a laser machining head moving in a direction in which the laser beam L is focused onto the work, an upper work holding member having a nozzle for laser beam irradiation integrated thereto, a bellows for relatively and displaceably connecting the laser machining head and the upper work holding member in the focusing direction, and a lower fixed base/a highly slippery plate located and fixed at a position corresponding to a center of the nozzle, and the work is held between the upper work holding member and the lower fixed base/a highly slippery plate at a position adjacent to the laser beam machining position.
REFERENCES:
patent: 3383491 (1968-05-01), Muncheryan
patent: 4031351 (1977-06-01), Martin
patent: 4406940 (1983-09-01), Tsutsumi
patent: 4417125 (1983-11-01), Tsutsumi
patent: 5210391 (1993-05-01), Yoshie et al.
patent: 5213649 (1993-05-01), Sepavich et al.
patent: 5239160 (1993-08-01), Sakura et al.
Miyagawa Hirokazu
Sato Shinji
Tanaka Hisao
Usui Akaru
Mills Gregory
Mitsubishi Denki & Kabushiki Kaisha
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