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(Excerpt)
The Hicom 110 Mill
The grinding chamber
The heart of the Hicom mill is the grinding chamber – a high-intensity centrifugal tumbling mill that has overcome the problems of conventional tumbling mills operating under gravity.
The grinding chamber uses a ‘nutating’ (rocking) motion about a fixed nutation point to generate centrifugal forces up to 50 times greater than gravity. This produces power densities up to 1,600 kW per m3 of mill volume, resulting in rapid particle breakdown to very fine sizes.
Materials then move up to the classifier which sizes the product into the grade of powder required. Depending on the media, powder can be produced in fine and ultrafine grades down to 50% smaller than two microns.
© 2007 Lynda De Lacey