Metal deforming – By use of roller or roller-like tool-element – With carrier for roller-couple or tool-couple
Patent
1993-11-08
1996-06-11
Larson, Lowell A.
Metal deforming
By use of roller or roller-like tool-element
With carrier for roller-couple or tool-couple
72248, 72249, B21B 3102
Patent
active
055244696
ABSTRACT:
The invention focuses on improvements to cantilevered roughing, intermediate and finishing rolling mill stands, primarily for long products. A basic improvement to 2-high and cluster mill stands includes mounting of the rolling bearings upon a stationary cantilevered arbor directly under the roll ring, eliminating heavily-loaded main reaction bearings within the stand housing in limited radial space. Individual drive motor assemblies for each shaft, rigidly coupled and directly supported by the drive shafts, are also advocated, in preference to floor-mounted drives via pinion stands to spindles and couplings. This eliminates drive reaction forces acting against the stand assembly, allowing direct measurement and control of interstand tension/compression, for which appropriate hardware is outlined. A cluster mill assembly features work roll cartridge assemblies adapted for off-line set-up and ultra-fast roll and guide changes, which is particularly adapted to intermediate and finishing pass applications. The work rolls are neckless, with the cartridge frame and bearings serving only to maintain roll position, rather than carry rolling loads. Roll size and material can then be governed entirely by stock size and reduction requirements, rather than by load carrying capacity. Included are means for axial adjustment of roll position, and roll parting adjustment symmetrically about the pass line. Mountings having quickly-interchangeable horizontal, vertical or angular transverse orientation are additional features, as are applications to tandem mill trains incorporating direct, automatic cascade tension-free rolling.
REFERENCES:
patent: 3628366 (1971-12-01), Leitner
patent: 3718026 (1973-02-01), Gawlikowicz et al.
patent: 4319475 (1982-03-01), Stikeleather
patent: 4325245 (1982-04-01), Sherwood
patent: 4581911 (1986-04-01), Shinomoto
patent: 4949568 (1990-08-01), Poloni
Larson Lowell A.
Schoeffler Thomas C.
LandOfFree
Rolling mill stand does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rolling mill stand, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rolling mill stand will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-346320