Mandrel with alignment means

摘要

The plunger (1) has a unit for aligning or adjusting the plunger, where the aligning or adjusting unit is provided between supporting bodies (3,4,5) or between a supporting body and a shaft (2). The aligning or adjusting unit is made of an elastic body. The elastic body executes a force on the basis of an elastic deformation on axial front surfaces (2a,3a,4a,5a) of the supporting body or the shaft.