Workpiece centering and supporting device for balancing machine, has spring arrangement acting on centering unit, where spring action increases to maximum value during movement of unit and decreases to small value in centering position

摘要

The device has a centering unit (4) for holding a workpiece (10), and a spring arrangement acts on the centering unit. The centering unit is movable from an insertion position into a centering position by the spring arrangement, where a spring action of the arrangement caused on the centering unit increases to a maximum value during the movement of the centering unit from the insertion position into the centering position path dependently and decreases to a small value in the centering position. The centering unit is held in the centering position by a locking device (40).