| 摘要 |
The invention relates to a screening device, in particular for material to be screened containing stones or concrete, with a screening unit (10) having rotating screening elements (13), the screening elements (13) being arranged on a plurality of screening shafts (14) directed parallel to one another, and the screening elements (13) forming a screening plane (21). According to the invention, the screening shafts are divided into at least two groups, that is a first group (15) with screening shafts and a second group (16) with screening shafts, screening shafts of the first and second groups being arranged alternately. Furthermore, the screening shafts of one group (16) can be moved together and cross-axially in relation to the screening shafts of the other group (15).
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