Cylinder of a printing press and bearing arrangements for it
A cylinder assembly for a printing press includes a pair of bearing assemblies mounted in side frames of a printing press, and a cylinder body having a pair of opposed end surfaces with no axle stubs clamped between the bearing assemblies. Each end surface is fixed to a respective bearing arrangement to form a connection, and at least one locking device can be operated from one end of the cylinder body to tighten or release the two connections.
1 . A cylinder assembly for a printing press, the assembly comprising:
a pair of bearing assemblies which can be mounted in a respective pair of side frames of a printing press;
a cylinder body having a pair of opposed end surfaces and no axle stubs, each said end surface being fixed to a respective said bearing arrangement to form a connection; and
at least one locking device which can be operated from one end of the cylinder body to tighten or release the two connections.
2 . The assembly of claim 1 wherein the cylinder body consists of one piece.
3 . The assembly of claim 1 wherein the cylinder body comprises a core and at least one sleeve.
4 . The assembly of claim 1 wherein the cylinder body comprises a foam material.
5 . The assembly of claim 1 wherein the cylinder body comprises a stiffening shaft.
6 . The assembly of claim 1 wherein the cylinder body has a circumferential surface provided with a coating.
7 . The assembly of claim 1 wherein the cylinder body has a circumferential surface provided with at least one channel.
8 . The assembly of claim 1 further comprising at least one of a conical ring and a conical disk in each said end wall.
9 . The assembly of claim 1 wherein the cylinder body comprises stiffening elements extending at least one of axially and radially.
10 . The assembly of claim 1 wherein the cylinder body is one of a form cylinder, a transfer cylinder, and a satellite cylinder.
11 . The assembly of claim 1 wherein the cylinder body has a length which is less then 5 meters.
12 . The assembly of claim 1 wherein at least one of the bearing assemblies comprises an axially adjustable spindle.