| 摘要 |
The supporting and working apparatus (19) for supporting and working axially developing workpieces (P) for a working plant (10) comprises a frame (20) for rotatably carrying an annular element (21) provided with at least one working device (22) movable in a controlled mode; the supporting and working apparatus (19) further comprises at least a first and a second supporting and sliding members (23, 24) for the workpiece (P), angularly spaced apart on the support frame (20), each of said supporting and sliding members (23, 24) being movable orthogonally to the axis of the apparatus (19) in a controlled mode, and detecting means (51) on the support frame (20) for detecting the position and the deformation of the workpiece (P) with respect to a longitudinal reference axis (AR). The working device (22) and/or the members (23, 24) for supporting the workpiece (P) are selectively movable at each cross section to be worked of the workpiece (P), for positioning the working device (22) and the workpiece (P) in relation to each other, orthogonally to the longitudinal reference axis (AR), in a plane orthogonal to an operative axis (AL) of the working device (22), as a function of working parameters stored in a control unit and/or as a function of reference signals generated by the detecting means (51) at each cross section of the workpiece (P).
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