Rod-bed Assembly

摘要

A rod-bed assembly has a holder (30) and an insert (20) removably and insertably supported in a groove (31) of the holder (30), the rod-bed assembly being for a rod (10) rotatably supported in a recess (21) on a front side of the insert (20). Longitudinal bending of the holder (30) in a cross-direction is under 0.5%, advantageously under 0.35%, of the longitudinal distance between two profiling loading points of the holder (30).

主权项

1. A rod-bed assembly for coating or sizing a fiber web, the assembly comprising:
a holder extending in a longitudinal direction and having a front side and portions forming an insert receiving groove on the front side; wherein the holder has a back side, and a back side surface opposite the front side, the back side defining a width in the longitudinal direction, and having a plurality of notches, each notch defining a notch width, which notches divide the back side surface into a plurality of surfaces which define profiling loading points; wherein a sum of the width of each of the plurality of notches comprises 5-40% of the backside width; and an insert removably and insertably supported in the groove of the holder, the insert having a front arranged to face a fiber web, and portions forming a recess which is arranged to support a rod for rotation in the recess on the front side of the insert.