ROTARY TOOL Russian patent published in 2008 - IPC B23B27/12 

FIELD: technological processes.

SUBSTANCE: tool contains holder and round working element fixed on spindle, placed on holder on the radial bearing of sliding, and the device for regulating its radial backlash. The tool is supplied with the device for regulating an axial backlash of the radial bearing of sliding whose working surface is made with a variable cross-section, and the device for regulating the radial backlash carried in the form is executed in the form of the front support, established on the spindle.

EFFECT: increase in accuracy, quality and productivity of production.

3 cl, 2 dwg