Balancing system for e.g. machine tool, has two impact rings rotating with component, and fixation unit fixing rings in position relative to component by force, where unit is arranged so that force increases, when component rotates faster

摘要

The system has two impact rings (20) arranged in such a manner that the rings rotate with a rotating component (10) of a spindle unit. A fixation unit fixes the rings in their position relative to the component by force, and is arranged such that the force increases, when the component rotates fastly. The fixing unit has a recess (22) formed in an inner side of each ring, and a sphere (36) is provided for each recess. A spring (38) is arranged in a unit opposite to the inner side of the rings, and presses the sphere against the inner side into the corresponding recess of the rings.