Patent ID: 8763782

Claim:
A device for producing tubes comprising a plurality of mandrel arrangements, each said mandrel arrangement comprising a plurality of mandrels, on which the tubes can be produced in steps at a plurality of work stations, wherein the mandrel arrangements can be transported from work station to work station with the help of transport means, and wherein the mandrels of at least one of the mandrel arrangements are divided into a first and into at least a second mandrel group and that the first mandrel group can be adjusted from a processing position, which is assigned to the work station, in which the work station can interact with the first mandrel group into a stand-by position, which is assigned to the work station, relative to the transport means in the case of at least one of the work stations, and the second mandrel group can be adjusted from a stand-by position, which is assigned to the work station, into a processing position, which is assigned to the work station, relative to the transport means, wherein the adjusting movement of the first and the second mandrel group is a movement which is guided between the processing position and the stand-by position by means of a cam disk and wherein the cam disk can be rotated in a first direction, in response to a transport of the mandrel arrangements from work station to work station and can be rotated in a second direction, which is opposite to the first direction, for adjusting the first and the second mandrel group between the processing position and the stand-by position or between the stand-by position and the processing position, respectively.