Importance

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Abstract

A test device for a roller crusher of the type which comprises a pair of crushing rolls rotating in opposite directions for crushing or pulverizing materials comprises

a first sector shaped roll part having a first crushing surface and which is rotatably mounted so that the first crushing surface forms one side of a gap through which materials is fed,a second sector shaped roll part having a second crushing surface and which is rotatably mounted so that the second crushing surface forms the other side of the gap, anda sensor arrangement arranged to sense at least one property of the interaction between the materials fed through the gap and the test device.

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First Claim