Rolling mill driving mechanism

Details Rolling mill driving mechanism Rolling mill driving mechanism

1991-10-01

1993-07-27

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72205, B21B 3502

Patent

active

052302369

ABSTRACT:
The invention is directed to provide a rolling method which enables an enlarged range of reduction ratio in sizing-rolling in the common drive system. The invention provides that when tension applied to rolled material between the upstream and downstream-placed mills is made higher than a value that tension/average resistance to deformation of rolled material is 0.2, the upstream-placed mill is caused to perform force rolling, and when compressive force of the rolled material is made higher than a value that compressive force/average resistance to deformation of rolled material is 0.1, the downstream-placed mill together with the upstream-placed mill are caused to perform tensile rolling in the common drive system. The rolling methods provides a stable rolling in a larger sizing range without decrease of diameter or buckling of rolled material.

REFERENCES:
patent: 3595055 (1971-07-01), Rohde
patent: 3992915 (1976-11-01), Hermes et al.
patent: 4408474 (1983-10-01), Hutzenlaub et al.
patent: 4577529 (1986-03-01), Romi
patent: 4907438 (1990-03-01), Sasaki et al.
patent: 4966027 (1990-10-01), Danielsson
patent: 5086399 (1992-02-01), Tsugeno et al.

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