| 摘要 |
A chopper aggregate has a chopper drum provided with a plurality of knives, a countercutter bar arranged on a saddle, a discharge element, a bottom plate transiting into the discharge element and partially surrounding the chopper drum, a unit for supporting the countercutter bar adjustably relative to the chopper drum, a unit for adjustably supporting the bottom plate for changing its radial position relative to the chopper drum so as to follow a position change of the countercutter bar, the unit for adjustably supporting the bottom plate being formed so that the bottom plate is adjustable at its both ends in dependence on an adjusting movement of the countercutter bar, radially relative to a peripheral circle of the chopper drum.
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