Importance

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Abstract

A vertical roller mill which maintains a predetermined milling capacity for a long period of operation is disclosed. The outer portion of the grinding face of a milling roller is chamfered with respect to a tangent drawn at the point at which chamfering of the grinding surface of the milling roller begins and/or the outer portion of the surface of a table liner is chamfered with respect to a tangent drawn at the point at which chamfering of the surface of the table liner begins. Through this structure, a milled material is smoothly discharged to the outside of the milling table, and an otherwise possible overload to the vertical roller mill is prevented. Further, the wide and shallow abrasion pattern resulting from the use of this structure means the vertical roller mill can maintain a predetermined milling performance for a long period of operation.

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First Claim