| 摘要 |
A finishing monoblock with optimised transmission ratio for a billet rolling plant comprises a plurality of rolling stands (G 1 -Gn) arranged in sequence suitable for forming a rolling line and actuated by a pair of mechanical transmissions ( 11, 12 ) in which bevel gear pairs are foreseen for the variation of ratio in the stands of the rotation speed of rolling cylinders ( 18 ). According to the invention, such a variation of the ratio in the stands is carried out through the combination of a first type (A, B) of bevel gear pairs with a second type of bevel gear pairs (C, D) and there is a set of four of cylindrical gears suitable for making four stands (C, D) with the same transmission bevel gear pair.
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