Machine tool with spindle or rotary tool.

摘要

Machine tool comprising a rotary spindle which carries at least one cutting tool and rotates in bearings; the bearings do not have rolling contact and are lubricated by means of water, to which a soluble oil has preferably been added, which is circulated through a network of channels (8, 9) formed on the interfaces of the parts in relative rotation. Application to precision machining.