Electric heating – Metal heating – By arc
Patent
1992-02-26
1993-07-13
Albritton, C. L.
Electric heating
Metal heating
By arc
21912172, 21912182, 21912184, B27K 2614
Patent
active
052276066
ABSTRACT:
A method and apparatus for laser cutting of multiple stacked metal worksheets is disclosed wherein the tendency of the sheets to separate during the cutting operation is restrained. In one embodiment the laser head is pressed downwardly against the stacked worksheets which are supported on a ball-transfer work table. In other embodiments where it is not possible to press the laser head against the stacked worksheets because of the construction of the work table, the worksheets are coated with a viscous fluid so as to increase surface tension effects and thereby generate adhesive forces between adjacent sheets sufficient to resist the pressure of cutting assist gases which would otherwise cause separation of the sheets.
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Amada Publication entitled "Amada Laser Systems".
Burgardt John J.
Hoffman Donald J.
Lopez Robert R.
Weeks Theodore R.
Albritton C. L.
U.S. Amada Ltd.
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