Non-contact strip guiding
AssigneeANDRITZ Sundwig GmbH
InventorsKlaus Boguslawsky, Jurgen Albrecht
Life of this patent
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Abstract
A process and apparatus for controlling the strip run (4) of a metal strip (10) through a floating furnace (3). The strip run (4) is controlled contact-free with the aid of an electromagnetic device (1) that generates a Lorentz force acting transversely to the strip run.
Claims18
A method for controlling transverse horizontal deviation of a metal strip passing horizontally in a running direction on air cushions through a floating furnace, comprising:
- sensing the transverse position of the strip at a location along the running direction;
- and in response to a sensed deviation in the transverse position of the strip, controlling the transverse position of the running strip with contact-free forces applied by a controlled electromagnetic field.
A method for controlling transverse horizontal deviation of a metal strip passing horizontally in a running direction on air cushions through a treatment station, comprising:
- subjecting the running strip to Lorentz forces acting transversely to the running direction.
The method according to 8, wherein the electromagnetic device includes coils and a cooling medium is passed through the coils.
A device for controlling a metal strip running within a floating furnace, comprising:
- a running strip position sensor;
- and adjustable AC electromagnets responsive to the position sensor, arranged inside the floating furnace in spaced vertical alignment with the metal strip, for generating a Lorentz force acting on the metal strip transversely to the running strip on the level of the strip run.
Dependencies are inferred from the claim text.