| 摘要 |
An internally cooled roll comprises a cylindrical body having two trunnions and an axially extending internal chamber. A coaxial cylindrical lining is countersunk in the chamber by casting and a coaxial hollow cylinder is arranged within the lining. The lining and cylinder define therebetween a passage for circulating a cooling fluid therethrough. Two conduits respectively supply and remove the cooling fluid to and from the passage, one of the conduits being connected with the lining.
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