| 摘要 |
System for the special positioning of pieces. It consists of a set of telescopic columns 1, each one of which has its own motor 6 for establishing vertical positioning and they are also grouped on supports 4 which allow the movement of the columns 1 in directions perpendicular to the horizontal plane, thus allowing the positioning of the columns 1 according to the three Cartesian axes and all the aforesaid being controlled from a computerized control unit. <IMAGE>
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