Abstract: An inking system of a printing press includes an impression cylinder for guiding a printing substrate, and at least one ink-transfer roller. The ink-transfer roller includes a cylinder mandrel, on which at least one cylinder sleeve is concentrically displaceable, and bearing blocks, in which ends of the ink-transfer roller are mounted and which are independently displaceable in the radial direction of the impression cylinder. The ink-transfer roller can be set against the impression cylinder or any other ink-transfer roller, with a bearing block being detachable from one end of the ink-transfer roller and displaceable relative to the ink-transfer roller so that the cylinder sleeve can be removed via this one end. A stop device, with which the cylinder sleeve can be brought into contact, has components that are movable in the axial direction of the print roller. The movable stop device components can be decelerated via a force-providing element.

Abstract: An inking system of a printing press includes an impression cylinder for guiding a printing substrate, and at least one ink-transfer roller. The ink-transfer roller includes a cylinder mandrel, on which at least one cylinder sleeve is concentrically displaceable, and bearing blocks, in which ends of the ink-transfer roller are mounted and which are independently displaceable in the radial direction of the impression cylinder. The ink-transfer roller can be set against the impression cylinder or any other ink-transfer roller, with a bearing block being detachable from one end of the ink-transfer roller and displaceable relative to the ink-transfer roller so that the cylinder sleeve can be removed via this one end. A stop device, with which the cylinder sleeve can be brought into contact, has components that are movable in the axial direction of the print roller. The movable stop device components can be decelerated via a force-providing element.

Abstract: An inking system of a printing press includes an impression cylinder for guiding a printing substrate, and at least one ink-transfer roller. The ink-transfer roller includes a cylinder mandrel, on which at least one cylinder sleeve is concentrically displaceable, and bearing blocks, in which ends of the ink-transfer roller are mounted and which are independently displaceable in the radial direction of the impression cylinder. The ink-transfer roller can be set against the impression cylinder or any other ink-transfer roller, with a bearing block being detachable from one end of the ink-transfer roller and displaceable relative to the ink-transfer roller so that the cylinder sleeve can be removed via this one end. A stop device, with which the cylinder sleeve can be brought into contact, has components that are movable in the axial direction of the print roller. The movable stop device components can be decelerated via a force-providing element.

Abstract: A printing plate cylinder for a printing machine has a rotatable cylinder mandrel and a sleeve that is at least partially positionable over the cylinder mandrel. The angular positions of the mandrel and the sleeve are alignable to each other by a male register element which is fixed on one of the two elements to be aligned, and a female register element which is part of the corresponding other element to be aligned. Both the male and female register elements remain in working connection with each other if the elements to be aligned are in the set position relative to each other. At least one of the male and female register elements is controlled by movement of the other element to be aligned.

Abstract: A printing machine has at least one central impression cylinder, to which several inking units are allocated, in which a printing material sheet can be fed along a feed path to the impression cylinder in an area between a first inking unit and a last inking unit, and an unwinding station, from which the printing material sheet can be unwound, in which a passable area is provided between the impression cylinder and the unwinding station, at which the printing material sheet can be passed. Sound-absorbing elements are arranged above and/or beneath the feed path.

Abstract: The invention describes an inking system of a printing press comprising an impression cylinder for guiding the printing substrate, and at least one ink-transfer roller comprising a cylinder mandrel, on which at least one cylinder sleeve is concentrically displaceable, and bearing blocks, in which the ends of the ink-transfer roller are mounted and which are displaceable independently of each other in the radial direction of the impression cylinder. The ink-transfer roller can be set against the impression cylinder or any other ink-transfer roller, a bearing block being detachable from one end of the ink-transfer roller and displaceable relative to the ink-transfer roller so that the at least one cylinder sleeve can be removed by way of this end. A stop device is provided, with which the cylinder sleeve can be brought into contact, components of the stop device being movable in the axial direction of the print roller.

Abstract: The invention describes a printing machine with at least one central impression cylinder, to which several inking units are allocated, in which a printing material sheet can be fed along a feed path to the impression cylinder in the area between the first inking unit and the last inking unit, and an unwinding station, from which the printing material sheet can be unwound, in which a passable area is provided between the impression cylinder and the unwinding station, at which the printing material sheet can be passed. Sound-absorbing elements are arranged above and/or beneath the feed path.

Abstract: The invention describes a printing plate cylinder (1), which during the set up of the print machine is made up of at least the following elements (2,3): A cylinder core (3) which is placed in the print machine as rotary and a sleeve (2) which can be pulled over the cylinder core (3) at least partly. In this angular position both of these elements (2,3) are alignable to each other through the following means: A male register element (6,10,11) which is fixed on one of the two elements to be aligned, a female register element (7) which is part of the corresponding other element to be aligned, whereby both the register elements mentioned before stay in working connection with each other if the elements to be aligned (2, 3) are in the set position relative to each other. At least one of the two register elements (6, 10, 11) is controlled by the other element (2, 3) to be aligned through movement.

Abstract: A printing machine, preferably a flexographic printing machine, is provided with at least one counter-pressure cylinder and with at least one printing roller and one engraved roller, whose one end floats in the frame. To intercept the free ends of the printing roller and the engraved roller during the printing operation, the bearing blocks, in which the journals of the free ends of the printing and engraved rollers are supported in the slid-in state, can be moved in guides at right angles to the printing and engraved rollers in the frame.

Abstract: A printing press is provided with at least one counterpressure cylinder and with at least one printing roller cantilevered at one end in the rolling stand and at least one inking roller or screen roller of an inking system cantilevered at one end in the rolling stand, where the bearings of the printing roller and screen roller travel, in guide mechanisms, relative to the counterpressure cylinder. In order to ensure that the printing executed by means of the end region of the cantilevered impression cylinder is also perfect, a plate is coupled to the rolling stand, which plate is provided with bearings in order to accommodate the journals of the free ends of the printing and screen rollers. In this regard, the plate can be swung to either a retracted position, in which the cantilevered rollers are freely accessible, or to a operating position, where the journals of the free ends of the rollers are carried by the plate.

Abstract: The invention concerns a printing press with several printing units arranged round an impression cylinder mounted in a frame, in which arrangement several gas blast devices for drying the web are arranged between the individual printing units. To allow the impression cylinder to be observed even in printing presses of a small size, the blasting devices are mounted for displacement on the frame in such a way that they can be displaced into and from a position at the side of the impression cylinder.

Abstract: In an apparatus for the displacement of bearing blocks mounted on carriages which support shafts, a first carriage is carried for displacement in a carriage guideway fixed to the frame, and the other carriage is carried in a carriage guideway of the first carriage, these two carriage guideways being mutually parallel. To allow the carriages to be displaced with sufficient accuracy without expensive control devices, two spindle screw nuts designed as toothed belt pulleys are mounted in the first carriage parallel to each other and freely rotatable, and the screw spindles screwed into them are mounted selectively for free rotation and for being fixed, on the one hand in the machine frame and, on the other hand, in the second carriage. In the first carriage there is mounted a further drive belt pulley that is drivable by a motor and securable by a securing device, this further drive belt pulley driving an endless toothed belt that drives said spindle screw nuts designed as toothed belt pulleys.

Abstract: An inking unit having a cantilevered inking roller and a cantilevered plate cylinder. The plate cylinder and the inking roller are mounted together and for horizontal displacement relative to each other. The plate cylinder and the inking roller are pivotally mounted both together as well as separately on pins arranged in the zone of the cantilever mounting.