Flame cutting rollerbed for use in continuous metallic strand ca

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Means for cutting continuously cast workpieces

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B23K 702

Patent

active

044524323

ABSTRACT:
A flame cutting rollerbed which is specifically intended for use in metal strand casting plants serves to cut metal strands longitudinally and/or transversely. A flame cutting rollerbed of this type comprises uniformly spaced support rollers which are arranged across the longitudinal motion direction of the cast strands. The support rollers are each equipped with spaced disk rollers on the edges of which the metal strands contact and are supported.
In order to protect the stationary support rollers from being damaged by the flame cutting jet, it is proposed that sections between adjacent disk rollers be coated with a porous protective coating which is resistant to the heat flow of the flame cutter jet. The protective coating is either metal-porous or ceramic-porous. Furthermore, the coating may be cooled by a cooling fluid, in which case the porous protective coating forms storage spaces for the cooling fluid. Nozzles for the cooling fluid are arranged opposite the disk rollers and/or the support rollers.

REFERENCES:
patent: 3443803 (1969-05-01), Wernicke
patent: 3511489 (1970-05-01), Field
patent: 3788620 (1974-01-01), Lotz
patent: 4001051 (1977-01-01), John
patent: 4202707 (1980-05-01), Hennecke

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