An Elastic Analysis of Multiroll Endless Web Systems

Abstract

A procedure for analyzing a multiroll endless web system is presented. The web is divided into endless, parallel strips which are longitudinally elastic and possess shear rigidity. The strips are wrapped over frictional cylinders and then required to pass through predetermined points on the contact arc so that compatibility among neighboring strips is maintained. Contact is assumed to be nonslipping until transverse shear and belt tension components exceed friction. Transient and steady-state motions with and without edge guide can be studied. Problems concerning edge guide force, steering moment, pivoting cylinders, rate of drift, and effect of conicity of web, taper of cylinder, and initial unstretched length of the web, etc., can be analyzed.