Process for producing seamless tubes in cold rolling mills and f

Details Process for producing seamless tubes in cold rolling mills and f Process for producing seamless tubes in cold rolling mills and f

1997-09-16

2000-01-11

Hail, III, Joseph J.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 106, 72 145, 72208, 723662, B21B 3758

Patent

active

060123133

ABSTRACT:
Process for creation and adjustment, from one moment to the next, of the external force to apply by the feed assembly to the preformed forging in cold rolling mills of the "pilgrim process" type with rollers and mandrel for producing seamless tubes by means of a computer, in accordance with the geometric parameters of the contours of the rollers and of the mandrel and in accordance with the reaction generated during rolling in the roller supports, for lessening the risk of breaking the tube, reducing unit loads and raising productivity.

REFERENCES:
patent: 4090386 (1978-05-01), Naylor et al.
patent: 5022250 (1991-06-01), Gerretz et al.
patent: 5125253 (1992-06-01), Gerretz et al.

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