Method and machine for refining wood chippings, shavings, paper pulp and the like

摘要

Refining machine for chippings, shavings, paper pulp and the like comprising two grinding discs rotatable relative to one another and each provided with grinding bodies, forming between them a narrow slot-shaped grinding chamber. The grinding discs are so arranged that they can be displaced relative to one another for the adjustment of the size of the slot-shaped grinding chamber in order to compensate for the wear of the grinding bodies. Means is provided to cause the grinding discs to approach one another continuously at a predetermined rate during the period the machine is in operation.