| 摘要 |
The machine comprises an inlet area of the pieces to be grinded, a first conveyor for the pieces, the pieces rotating in a first direction starting with a horizontal laying, a first grinding area to grind a face of each piece which can be reached by a first abrasive means, a second conveyor for the piece for putting again the piece into the horizontal laying, a third conveyor of the pieces which rotate in a third direction, a second grinding area for grinding the second face of each piece opposite to the first one, the second face is available to a second abrasive means thanks to the third conveyor, a fourth conveyor of the pieces which rotate in a fourth direction opposite to the third one beginning with the laying reached through the third conveyor in order to reach a horizontal laying, an exit from the machine of the grinded pieces and brought again into the horizontal laying through the fourth conveyor.
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