| 摘要 |
A device and a system for positioning work pieces having cylindrical and/or hollow conical bodies, to be processed in workstations. The system comprises at least a first and a second independent positioning devices for positioning and driving in rotation the work pieces to be processed; each positioning device for a base frame provided with two roll groups for supporting the work piece to be processed, each provided with parallely arranged rolls. One or both of roll groups are movable in horizontal and/or vertical direction with respect to the base frame; a gear motor is operatively connected to the roll of at least one of the roll groups for drivingly rotate the work piece to be processed.
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