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Riello; Andrea
Minerbe, IT
No. of patents:

Patent Number Title Of Patent Date Issued
6216798 Work unit for machine tool, with linear electric motor for axial movement of the spindle April 17, 2001
The invention concerns the work units for automatic machine tools in which a spindle (5) moves in translation and rotates with respect to a work axis (Z). More particularly in these units, in order to obtain the rotation/translation of the spindle, the latter is housed in a sleeve (3)
6204585 Work unit having an integrally mounted drive unit March 20, 2001
A work unit for automatic machine tools is provided with a spindle that moves in translation and rotates with respect to a work axis. The spindle is housed within a sleeve that is slidable along the work axis, with the spindle being rotatable within. Rotation of the spindle is controlled
5820537 Tool changing device for machine tool October 13, 1998
For the change of tools of machine tool operating units, a device is provided which comprises a tool-holder support or carriage (144,204) on which there are mounted at least two tool-holder spindles (48,148) with a corresponding tool (50,150), and the axis of at least one of these at
5720088 Transfer machine tools with rotary tables February 24, 1998
In a transfer machine tool with a rotary table, the machining units with horizontal axes are arranged in orientations which do not coincide with the radii of the rotary table and the workpieces being machined are mounted on piece-holder plates which are fixed to the rotary table but are

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