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Published:
Feb 13, 2015DOI:
10.4314/just.v34i2.4Keywords:
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Assessment of friction between a rolling cylindrical element and a deformable flat surface
Abstract
A cost-effective friction coefficient measuring technique was developed and tested. The technique involved the mounting of two sensing elements on the surface of rolls, in a manner that sought to measure simultaneously the normal and the tangential stresses during rolling. The instrumented roll termed “SGRoll” was segmented into two parts along the axial direction in order to position the sensing elements into the roll body. An experiment was run on a laboratory rolling mill equipment using 1100 aluminum as the work material. The experimental results showed that the friction coefficient decreased gradually as the workpiece entered the roll until no slip point and then decreased rapidly as the work piece exited the roll.
Keywords: Friction, Force, Coefficient, SGRoll, Roll Angle
