Bendable sleeved roll

Details Bendable sleeved roll Bendable sleeved roll

1990-04-12

1992-03-10

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291295, 29447, 722436, 722525, 72245, B21B 3116, B23P 1102

Patent

active

050939742

ABSTRACT:
A sleeved roll generally has a bendable arbor. The sleeve is shrunk-fit on the arbor such that the dimensional difference between the arbor diameter and the sleeve inner diameter varies along the arbor axis. Thus the radial stresses induced by the shrunk-fit vary along the axis of the arbor.
The sleeved bendable roll may be employed as a work roll or as a backup roll in a rolling mill.
The roll is assembled by providing a bendable arbor having an axial surface and a hollow sleeve, axially contouring at least a portion of the arbor surface or the sleeve inner surface, positioning the hollow sleeve having an inner surface adjacent the arbor, and then shrink-fitting the sleeve inner surface on the axially convexly contoured surface of the arbor.

REFERENCES:
patent: 2187250 (1940-01-01), Sendzimir
patent: 3879828 (1975-04-01), Troost
patent: 3941435 (1976-03-01), Tuomaala
patent: 4299109 (1981-11-01), Matsumoto
patent: 4407151 (1983-10-01), Gronbech
patent: 4683744 (1987-08-01), Ginzburg
patent: 4722212 (1988-02-01), Ginzburg
patent: 4813258 (1989-03-01), Ginzburg
patent: 4829949 (1969-06-01), Sobue
Iron and Steel Engineer; Jul. 1987; pp. 23-24; V. B. Ginzburg; "Strip Profile Control With Flexible Edge Backup Rolls".

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