Electric heating – Metal heating – By arc
Patent
1992-04-28
1992-11-03
Albritton, C. L.
Electric heating
Metal heating
By arc
21912184, B23K 2600
Patent
active
051608243
ABSTRACT:
The invention is directed to a machine tool for laser beam machining of workpieces, comprising a housing mounted on a column and having a longitudinally movable guide tube disposed therein. The rear end portion of the housing has a laser unit mounted thereon, and the laser beam passes through a focussing optical system and exits from a nozzle head provided with means for supplying at least one fluid to the central exit opening of the laser beam. In order also to enable metal cutting machining of a workpiece the invention provides for a motor driven hollow main spindle journaled within the housing, the spindle having locking elements for fixing a tool holder therein. Advantageously, the focussing optical system and the nozzle head are attached to a standardized tool holder which can be fitted into the main spindle.
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patent: 4229640 (1980-10-01), Longo
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patent: 4469930 (1984-09-01), Takahashi
patent: 4644126 (1987-02-01), Schumacher
patent: 4698480 (1987-10-01), Klinger
Albritton C. L.
MAHO Aktiengesellschaft
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