Cast-rollers are very important in the twin-roll casting process

which is used to realize the solidification and rolling process of the molten metal.Meanwhile

the heat transfer process and the temperature distribution of roll sleeves are important factors influencing thermal crowning of the rolls as well as the shape and profile of cast strip.The temperature field of roll sleeves in the top side-pouring twin roll caster was simulated by the Fluent software during the twin-roll strip casting.The results show that the simulated results are well agreement with the measured data.The temperature of outer surface of the caster roll exhibits a periodic change with the rotation of the caster roll in the twin-roll strip casting.When the thickness of both the upper sleeves and the lower sleeves are 40mm

the temperature distribution of the upper roll sleeve is very different from that of the lower roll

and the temperature of the lower roll sleeve is significantly higher than the upper roll sleeve.Effects of strengthening internal water cooling on the temperature field of the roll sleeve can be ignored.Through reducing the thickness of roll sleeve

the temperature of the roll sleeve is decreased

however

the temperature difference between the outer surface and inner surface of the roll sleeve is increased.Through increasing the contact arc of the molten pool and the upper roll

the temperature of the upper roll sleeve is raised.