Abstract
A method of elastic analysis for SCF (single-wall corrugated fiberboard) under uniform bending in the moment axis perpendicular to the machine direction is studied. The following results are obtained. (1) The deformation of SCM (semichemical corrugating medium) is produced from the fixed moment at the position where SCM and KL (kraft liner) are joined. (2) In the SCF, the bending stress increases markedly with the increase of the distance from the center of the thickness. The maximum value σs max of the absolute stress for SCM is at the inner surface of the joint positions. The ratio [(the maximum stress of KL)/σs max] is about 30.
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