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Work unit for machine tool, with linear electric motor for axial movement of the spindle

Image Number 4 for United States Patent #6216798.

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) that slides along the work axis (Z), with respect to which it is however free to turn.

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