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en02

en02

Chemical
Jul 17, 2003
1
When winding a filament or roving around a mandrel, with constant tension on the roving, does the normal (radial) force where the roving touches the mandrel vary with the diameter of the mandrel?
 
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The total contact force is a constant at two times the tension. The contact pressure is inversely proportional to the mandrel diameter. Twice the diameter is half the pressure because it has twice the surface area.
 
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