BAR ROLLING STAND ROLLS COOLING METHOD

BAR ROLLING STAND ROLLS COOLING METHOD

FIELD: rolled stock production, possibly cooling grooved rolls in bar rolling mills. ^ SUBSTANCE: method comprises steps of feeding from jets to roll grooved passes fan-like mutually overlapping streams of cooling water. Water is fed to jets with outlet openings having diameter 5 - 9 mm under pressu...

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Bibliographische Detailangaben
Hauptverfasser: SAMOJLOV ALEKSEJ KONSTANTINOVICH, TRAJNO ALEKSANDR IVANOVICH, MONID VLADIMIR ANATOL'EVICH, LAMUKHIN ANDREJ MIKHAJLOVICH, LUTSENKO ANDREJ NIKOLAEVICH, TRAVNIKOV ANDREJ ALEKSANDROVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Beschreibung
Zusammenfassung:FIELD: rolled stock production, possibly cooling grooved rolls in bar rolling mills. ^ SUBSTANCE: method comprises steps of feeding from jets to roll grooved passes fan-like mutually overlapping streams of cooling water. Water is fed to jets with outlet openings having diameter 5 - 9 mm under pressure 0.9 - 4.5 at. Cooling is performed by means of water streams at opening angle 50 - 70°. Flow rate of water supplied to outlet zones of roll grooved passes exceeds by 1.5 - 3.2 times flow rate of water fed to mean part of roll grooved passes. Cooling water is fed to roll grooved passes at outlet side of stand; at inlet side of stand roll grooved passes are dried by compressed air streams. ^ EFFECT: enhanced strength of rolls due to possibility of equalizing wear degree of roll along contour of roll grooved pass. ^ 3 cl, 6 ex, 1 tbl