FIELD: machine building.
SUBSTANCE: lining of drum mill contains elements 4, 5, 6, 7 out of elastomer in form of polygonal prism and having work side surfaces. Elements 4, 5, 6, 7 have variable height H1, H2, H3, H4 along the mill drum 1 axis from the charge hole to the discharge hole, at that ratio between minimum height of the element and maximum height is 1.1÷2.
EFFECT: simultaneous achievement by elements of the critical wear.
5 cl, 4 dwg
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