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    • 6. 发明授权
    • Rolling mill for sizing tubes or cylindrical bodies in general in the
iron and steel industry
    • 轧钢机一般用于钢铁工业中的定径管或圆柱体
    • US6116071A
    • 2000-09-12
    • US147681
    • 1999-05-10
    • Ettore CernuschiVincenzo Palma
    • Ettore CernuschiVincenzo Palma
    • B21B1/18B21B13/10B21B17/04B21B17/14B21B31/10B21B37/78B21B13/08
    • B21B17/04B21B13/103B21B37/78B21B1/18B21B17/14B21B2203/06B21B31/10
    • The invention relates to a rolling mill for sizing tubes or cylindrical bodies such as bars, rods and so on, and is intended for the iron and steel industry. The rolling mill is made up of a multiplicity of fixed three-roll rolling units, i.e. of the type known per se in which the position of the rolls cannot be adjusted under load and they are kinematically connected to each other so as to be set in rotation simultaneously, downstream of which are a multiplicity of adjustable three-roll rolling units. In the latter units the position of the rolls can be adjusted even under load and the purpose of these is to carry out the finishing of the work that is to be sized. The invention enables excellent use to be made of the characteristics of strength of the fixed units and of accurate working of the adjustable units, with the result that it is possible to build an inexpensive but high-performance rolling mill. In a preferred embodiment, in the adjustable units the rolls are mounted on lever-type arms pivoting in planes lying radially with respect to the rolling axis.
    • PCT No.PCT / EP97 / 03400 Sec。 371日期1999年5月10日 102(e)1999年5月10日PCT 1997年6月30日PCT公布。 出版物WO98 / 06515 日期:1998年2月19日本发明涉及一种用于对管材或棒状体等圆柱体进行定径的轧机,用于钢铁工业。 轧机由多个固定的三辊轧制单元构成,即本身已知的类型,其中辊的位置不能在负载下调节,并且它们在运动学上被连接以便被设置在 同时旋转,其下游是多个可调节的三辊轧制单元。 在后一单元中,即使在负载下也可以调节辊的位置,并且这些的目的是进行尺寸的工件的精加工。 本发明能够很好地利用固定单元的强度特性和可调单元的精确加工,从而可以构建廉价但高性能的轧机。 在优选实施例中,在可调单元中,辊被安装在杠杆式臂上,该臂在相对于滚动轴线径向放置的平面中枢转。