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Torque Control for Web Tensioning

By Design World Staff | March 19, 2009

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Magnetic particle clutches and brakes suit many web-tensioning processes that require adjustable, smooth torque on a clean, dust-free environment. These clutches and brakes used for tension control or torque limiting are electromagnetically actuated and consist of input and output members with a cavity between them.

warner-brakes.jpg

Within that cavity are very small, magnetized metal particles. Because the particles are contained within the cavity, there are no wear particles as might exist in a friction design clutch or brake. The ability of the magnetic particles to slip against each other eliminates stick-slip behavior, even down to single-digit rpm‚’s. 

Warner Electric
www.warnerelectric.com

::Design World::


Filed Under: Brakes • clutches

 

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