(57) In a rolling mill line for rolling rod or bar, each mill stand is located on a wheeled
carriage which also has feet projecting outwardly from a pair of opposite sides thereof.
In use, the carriage is supported with the feet on a rigid foundation so that the
passline of the mill rolls is at a fixed predetermined height above ground level.
For roll changing, a lifting rail mechanism lifts the stand off the foundation and
the wheels enable the stand to be withdrawn from the line along tracks at ground level.
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