ABSTRACT
Figure23.30showstheshapeandbasicdimensionsoftheUPCrolls.Eachworkrollreceivesa convexcontourwithanever-increasingcrownovertheentirebarrellengthgivingtherolltheappearance ofacigar.Thecigar-shapewaveformsineachoftherollsareoffsetfromeachotherby180degrees. SimilartoCVCrolls,thisarrangementprovidesasymmetricalrollgapcontourwithrespecttothevertical linethatpassesthroughthemiddleoftherollgap.
