Grinding rollers for a vertical crusher
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United States of America Patent
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Oct 21, 2008
Grant Date -
Aug 9, 2007
app pub date -
Dec 20, 2004
filing date -
Mar 3, 2004
priority date (Note) -
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Abstract
The invention relates to a composite milling roller, produced by casting, comprising peripheral inserts of a high wear-resistance and high hardness material, sealed in a ductile material on said casting. The roller comprises first zones subject to high wear and second zones subject to low wear, characterised in that said first zone of said roller comprises inserts on the peripheral face thereof with adjoining parts and, in said second zone, a non-adjoining part. The gap between the non-adjoining parts is filled with said ductile material of the cast matrix permitting an adequate mechanical anchoring of the inserts.
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