ABSTRACT
Thetwotypesofwidthcontrolactuatorsthatarecommonlyusedinverticaledgersarescrewdownmechanismsandhydrauliccylinders.Screwdownmechanismscanprovidecontrolofawiderangeofslabwidths, however,theresponsetimeofwidthcontrolsystemsthatutilizescrewdownmechanismsisoftenfoundto betoolongforadequatecorrectionsofwidthvariations.
