ABSTRACT

TwodesignsofinflatableflexibleedgebackuprollsthathavebeenjointlyproposedbyUnitedEngineeringandInternationalRollingMillConsultants[15]areillustratedschematicallyinFigs.25.27and25.28.

InFig.25.27,therollstackofa4-highmillstandisshownwiththetopandbottombackuprollshaving inflatablechambersattheirendparts.Eachrollconsistsofanarbor1andsleeve2thatisshrink-fitted overthearbor.Thechambers3and4areformedbetweenthesleevesandthearborsatbothendsofeach roll.Thechambersarepressurizedbyfluidthatisdeliveredtothechambersthroughchannels5and6. Theworkrolls7and8aretaperedsothattheendportionsoftheworkrollsremainincontactwiththe inflatableportionsofthebackuprolls.