SPINDLE DEVICE FOR METAL CUTTING MACHINES Russian patent published in 2020 - IPC B23B19/02 B23B39/02 

FIELD: machine building.

SUBSTANCE: spindle device comprises tool spindle arranged in hollow spindle. Tool spindle is made in the form of single-arm lever, one end of which carries cutting tool and rests on hollow spindle body through linear guides, and its second end is connected to axis of its swing, which is fixed in hollow spindle body. On the tool spindle near the hollow spindle end face the axis is installed, which interacts with slots in the wedges inclined to the hollow spindle axis, which are connected with traction rod, kinematically connected to its axial movement drive and containing cavity, inside of which there is a partially arranged tool spindle and its swing axis.

EFFECT: higher stiffness and loading capacity, possibility of wider selection of cutting tool, reduced risk of vibration.

1 cl, 5 dwg