Planetary-type rolling mill for non-flat products

Details Planetary-type rolling mill for non-flat products Planetary-type rolling mill for non-flat products

1986-08-04

1987-12-29

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Including orbitally-moving tool-face

72191, B21B 1320

Patent

active

047152052

ABSTRACT:
In this rolling mill, a rolling action is brought about by work rolls acting as opposing pairs arranged equiangularly at the periphery of rotating rolling units distributed symmetrically about the material to be rolled. The axes (10') of the work rolls (10, 11) are parallel with the axis (40) of the rotating unit that carries them, and each work roll (10) is a solid of revolution consisting of two truncated cones (12, 13) axially joined by their equal minor bases and forming a rounded "waist" in the plane V perpendicular to the axis (10') of the work rolls. The invention is applicable to non-flat metal products whatever their cross-sectional shape. With quadrangular products, the invention assures well-finished radius corners with no chance of twisting.

REFERENCES:
patent: 3557593 (1971-01-01), Bollig et al.
patent: 3643488 (1972-02-01), Bretschneider
patent: 4193282 (1980-03-01), Wilson

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