METHOD FOR RESTORING BANDED ROLLER

FIELD: restoration of rings of banded rollers, particularly of machines for continuous billet casting, and other banded parts of metallurgical equipment. SUBSTANCE: band rings are surfaced after their heating at rate no more than 80 C/h up to temperature no higher than 150 C at using for surfacing e...

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Bibliographische Detailangaben
Hauptverfasser:	KOSTIN A.A, SARYCHEV I.S, ANDROSOV N.V, VETER V.V, TKACHUK G.V, BELKIN G.A, BEZUKLADOV V.I, IL'IN JU.A
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING UNIVERSAL MACHINE TOOLS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: restoration of rings of banded rollers, particularly of machines for continuous billet casting, and other banded parts of metallurgical equipment. SUBSTANCE: band rings are surfaced after their heating at rate no more than 80 C/h up to temperature no higher than 150 C at using for surfacing electric current no more than 350 A. At process heating of band rings up to 300 C is admissible. After complete surfacing of all rings, roller is subjected to heat treatment. It is heated at rate no more than 80 C/h until 470-500 C, seasoned for 7-8 hours and cooled at rate no more than 80 C/h until 120 C and then it is cooled in open air. EFFECT: high quality surfacing of band rings of rollers, elimination of ring slippage along roller barrel at operation. 3 cl