Process and a device for continuous surface treatment of rod-sha

Details Process and a device for continuous surface treatment of rod-sha Process and a device for continuous surface treatment of rod-sha

1993-03-30

1994-10-11

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912137, 21912138, 21912159, 219123, 148565, B23K 900, B23K 9013, B23K 906

Patent

active

053549635

ABSTRACT:
The invention concerns a process and a device for surface heat treatment of rod-shaped, longitudinally extended materials with metal surfaces by means of an arc, which rotates and is magnetically driven around the axis of the billet, wherein the arc moves between an annular electrode (anode) and the billet serving as cathode that runs through it.
According to the invention, the problem of developing improved measures for stabilizing an arc, inter alia, is solved by rotating the arc by a direct current magnet arranged behind the annular electrode in the direction in which the billet runs and at the same time the magnetic field induced by the direct current magnetic counteracts the pulling effect on the arc base point by the moved billet and the annular electrode current is divided into two divided currents.
The field of application is primarily surface heat-treating of rod-shaped, longitudinally extended materials with metal surfaces.

REFERENCES:
patent: 3146336 (1964-08-01), Whitacre

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