FEEDING STRIP MATERIAL

摘要

A pinch roll assembly that may be used for feeding hot metal strip comprises a pair of parallel pinch rolls. At least one of the rolls (21) comprises a copper or copper alloy tube (31) providing the external peripheral roll surface (32) and internal water cooling passages (23, 33, 34, 35) to cool the cylindrical tube by flowing water through the passages. The copper or copper alloy tube (31) is fitted to a cylindrical arbour (24) formed with end shafts (25, 26) for mounting the roll in journal bearings (27, 28). Shaft is provided with a rotary drive coupling (29) and shaft (25) is fitted with a rotary water coupling (38) for flow of cooling water to the water flow passages (23, 33, 34, 35).