Ceramic sleeve incorporated rolling roll

Details Ceramic sleeve incorporated rolling roll Ceramic sleeve incorporated rolling roll

1989-10-16

1991-08-20

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

722525, 29123, 29125, 29132, B21B 2702

Patent

active

050403982

ABSTRACT:
A rolling roll comprises a metal rolling roll body, a ceramic sleeve into which the roll body is inserted with a gap therebetween, thereby providing a working surface of ceramics at an outer periphery thereof, fasteners provided on the roll body at both sides of the sleeve for pressing the side faces of the sleeve thereby to fix the sleeve to the roll body, and at least one spacer having a larger coefficient of thermal expansion than that of the roll body and inserted between the sleeve and the fastener so that the sleeve is axially pressed by the fastener to fix the sleeve to the roll body.

REFERENCES:
patent: 1289602 (1918-12-01), Baehr
patent: 3577619 (1971-05-01), Strandel
patent: 4105264 (1978-08-01), Zimmermann et al.
patent: 4115910 (1978-09-01), Hertel et al.
patent: 4924688 (1990-05-01), Cutmore

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