Abstract: A printing assembly has a frame having two side walls, between which, a transport path for the transport of printing material, extends. A transport direction is defined by the transport path. The printing assembly has at least three cross bars which extend in a transverse direction between the side walls. They are arranged one behind the other with respect to the transport direction. The printing assembly has at least three printing heads which are arranged one behind the other. At least one first additional device, is arranged on each of the cross bars. At least one second additional device, is arranged on each of the crossbars.

Abstract: A printing machine includes a printing assembly and a dryer unit having a dryer, with the dryer having at least one first energy output device. The at least one first energy output device is arranged such that it can be moved over an actuating distance between at least one active position and at least one stop position. The actuating distance extends in a continuously linear manner in or opposite to an actuating direction over at least 75% of its entire length. The actuating direction deviates by a maximum of 40° from at least one horizontal direction. The actuating direction deviates by a maximum of 40° from a normal direction of an average surface normal of an entire section, located in an active region of the at least one first energy device, of a transport path which is provided for a web-type printing machine. A method of operating a printing machine is also disclosed.

Abstract: A value-document printing machine includes, in the path of the printed material, at least a first printing site, at which first printing site a printing material passing through that first printing site can be printed, in segments, on at least a first of the two sides of that first printing material in a cycle at a print image width with a cycle length that is fixed in relation to the advancing of the printing material at the printing site, with print images of a print material length that is shorter than the cycle length. A second printing site follows next downstream that first printing site and through which the printing material passing through the printing site can likewise be printed with print images on at least a second of the sides of the printing material.

Abstract: A machine arrangement, that sequentially processes sheet-type substrates, includes a plurality of different processing stations, one of which includes a non-impact printing device that prints the substrates. Further processing stations are a primer application device that primes the substrates and a dryer for drying the primer applied to the substrates. The primer application device and the dryer precede the non-impact printing device, in the direction of travel of the substrates. The processing station including the non-impact printing device, also includes a printing cylinder, on the circumference of which, the non-impact printing device that prints the substrates is arranged.

Abstract: A device for overlapping sheets includes at least one blower box and a supply table. Multiple sheets are guided into a region of the blower box consecutively, in the same transport direction, and are arranged at a distance from one another on the supply table. A blower nozzle is arranged in the blower box, on the side thereof facing the supply table. A blowing direction of the blower nozzle is oriented and parallel to the supply table and against the transport direction of the sheets. The supply table is arranged below the blower box and multiple blower nozzles are arranged in the blower box, one after the other, in the transport direction of the sheets, on the side thereof facing the supply table. A respective blowing direction of the blower nozzles is oriented in parallel to the supply table, and against the transport direction of the sheets.

Abstract: A dryer device for a printing press that prints in at least one printing position on a printing substrate by use of at least one printing unit, in particular a printing press for securities, includes a dryer with a drying unit formed by an array of a plurality of adjacent radiation sources. That array extends at least over the maximum width of the printing substrate and is used to supply radiation to the printing substrate in each activated state for drying the latter. A control device allows the radiation sources or some of the radiation sources to be switched on or off in a repeating cycle that comprises a sequence with at least one active and at least one inactive phase in correlation with one of a press and a printing-substrate phase position. The dryer device comprising the dryer and the control device is configured to switch on and switch off, for each cycle, only some of the radiation sources in some sections in at least four pre-definable radiation-source groups, spaced approximately equidistantly, i.

Abstract: A printing press arrangement has a plurality of processing stations for processing sheets. The plurality of processing stations are arranged one after another in a transport direction of the sheets for in-line processing of the sheets. At least one of the processing stations is configured as a non-impact printing device. A transfer device, which is arranged upstream of the active region of the non-impact printing device, is provided for transferring the sheets from a first processing station, which is arranged upstream of the non-impact printing device, to the non-impact printing device. The transfer device aligns, in each case, at least one of the axial register and the circumferential register and the diagonal register of each of the sheets in register relative to the printing position of the non-impact printing device.

Abstract: A temperature control assembly controls the temperature of functional parts of a printing machine. The temperature control assembly comprises a plurality of assembly-side sub-circuits, the temperature of which is to be individually controlled, each sub-circuit having a temperature-control fluid outlet and a temperature-control fluid inlet, on each of which, in order to form a respective temperature control circuit, one or more functional parts can be connected as loads of a temperature-controlling external temperature control sub-circuit by the use of releasable connections, and which, on the feed side of the temperature control thereof, are or can be thermally and fluidically coupled, via respective removal points, to a common feed line, and on the return side, via each return point, to a common fluid return.

Abstract: A delivery system is used for delivering printed sheets which can be fed in a region of an inlet side of a delivery device. The delivery device includes at least one first discharge station and one second discharge station which is mounted downstream of the first discharge station, which is upstream in the transport path. The delivery stations are associated respectively with a format or transport-relevant device which can be controlled by a drive including a control element for adapting or correcting the guiding and delivery of the sheets in the relevant discharge station. At a delivery device level upstream of a lateral inlet in a stacking space of the upstream second discharge station, at least one operator interface, with at least one actuating device is provided.

Abstract: During the operation of a delivery device, having a first and a second stack delivery, in a transport direction, in which a first braking device is provided in the transport path of sheets which are conveyed by a conveyor system along a transport path in the entry region of the first stack delivery, and in which a second braking device is provided in the input area of the second stack delivery, the sheets to be printed, which come into the first braking device come in a form- or friction-locking operative contact with an active surface of a holding means comprised by the braking device. The active surface coming into this operative contact with the sheet to be printed is moved forcibly by a drive in the transport direction. In a first operating mode, during a form- or friction-fit interaction between the sheet and the active surface, a speed for the movement of the active surface is reduced from a first speed to a comparatively lower stacking speed.

Abstract: A security paper printing machine has a printing unit comprising at least one imaging cylinder, at the printing point of which, the printing point, in sections, of passing printing material, in a cycle of a fixed printing length with respect to the printing material feed to the printing point, can be printed with print images of a same print image length. A dryer device has a dryer comprising one or a multi-part drying unit that, in the printing material path, is downstream of the printing point. Printing materials passing through the dryer can be subjected to radiation for the purpose of drying the same.

Abstract: A printing assembly has a frame having two side walls and has at least one cross member which extends at least in a transverse direction between the side walls and which has at least one supporting body which can be moved in relation to the frame in at least one parking direction and which extends at least in the transverse direction. At least one printing head is arranged on the supporting body and can be moved jointly with the supporting body. At least one first contact point, which is arranged on the supporting body, and at least one second contact point, which is arranged on the cross member, form a first contact-point pair. The first contact points lie opposite each other in the parking direction and are one of in contact and can be brought into contact with each other. At least one third contact point, which is arranged on the supporting body, and at least one fourth contact point, which is arranged on the cross member, form a second contact-point pair.

Abstract: A printing assembly has at least one frame, which frame has at least two side walls, between which two side walls a transport path, provided for the transport of printing material, at least partially extends. At least one transport direction is defined by the transport path provided for the transport of printing material. The printing assembly has at least two cross members which are spaced apart from each other in the transport direction and which each extend from one of the side walls to another of the side walls. Each of the at least two cross members has at least one first cross beam and at least one second cross beam spaced apart therefrom, which jointly bound at least one interior of the particular cross member at least partially in and against the transport direction.

Abstract: A method and machine arrangement for sequential processing of sheet-like substrates are disclosed. At least one of a front side and a rear side of the substrates is processed in a production line one after another. A printing ink or another type of ink is applied in at least one non-impact printing device on the respective side of the substrates. The printing ink or the other type of ink is dried. A dispersion coating or a coating cured by UV radiation is then applied onto the respective side of the substrates. The dispersion coating or the coating cured by UV radiation is dried and the substrates are fed to a mechanical processing device for carrying out a further mechanical processing of the substrates. The further mechanical processing is performed by at least one of punching, inserting grooves, separating parts and by breaking out panels from their respective composite in the respective substrate.

Abstract: The invention relates to a method and a device for arranging sheets in an overlapping position in a transfer unit arranged between a first processing station and a second processing station following the first processing station in a transport direction of the sheets. The sheets to be overlapped are transported from the first processing station to the transfer unit, in a transport plane and each individually lying behind one another. A respective rear, in the transport direction, edge of the sheets coming from the first processing station, is raised relative to the transport plane exclusively by the use of blown air, and a second subsequent sheet is slid under the rear edge of the respective preceding first sheet.

Abstract: A turning device in a sheet-processing machine includes a sheet-guiding drum. The sheet-guiding drum has at least one gripper system for securing a front edge of a sheet. The sheet-guiding drum also has at least three casing segments cooperating in the circumferential direction and engaging with one another during format adjustment. A method for the format adjustment of a sheet-guiding drum is also disclosed. The object of the invention is to further improve the sheet guiding on format-adjustable sheet-guiding drums in sheet-processing machines. This is achieved in that a middle casing segment in the circumferential direction has a drive.

Abstract: A printing assembly has print heads, by the use of which, application locations for printing fluid are specified. A transport path through the printing assembly, and provided for print stock, is specified by at least two guide elements. One printing section of the transport path begins at a first application location and ends at a last application location. The application locations are arranged on that transport path having specifying guide elements, each having a pivot angle, and pivoting, in a pivoting manner, about at least one pivot axis, common thereto, which pivot angle equals at least 10°. A main conveying direction is specified by a linear connection between a first guide element based on the print section and a last guide element based on the print section. The main conveying direction is arranged, having guide elements arranged in the maintenance position thereof, under an angle of 30°, at maximum, to a vertical direction.

Abstract: A sheet-guiding drum in a sheet-processing machine, comprises a gripper system, a gripper shaft, and a gripper tube. A method for producing a gripper system is also disclosed. The sheet-guiding drum further improves the sheet transport process, in particular the turning process, in sheet-processing machines. The problem addressed by the invention is in particular the provision of a low-wear rolling-element bearing that preferably eliminates the aforementioned disadvantages and, in particular, meets all further boundary conditions. This problem is solved in that the gripper tube is assembled from tube segments.

Abstract: A device one of adjusts and changes a dampening medium profile, which extends in the direction of a printing width, in a printing unit comprising at least one printing unit cylinder, at least one inking unit which inks the printing unit cylinder, and at least one dampening unit which interacts with one of the printing unit cylinder and the printing unit. A drying device, which extends over the printing width, is provided with a number I(I?, 0>1) of drying elements, the influence of which, on a printing unit surface to be treated, allows moisture to be removed from a number of n(n?, n>1) axial portions aj(j=1, . . . , n) that are offset relative to one another in the direction of the printing width. One of an extent of the influence of the drying device with respect to the axial direction (aj) and the operating state of the drying device can be varied independently of one another.

Abstract: The invention relates to a printing assembly which has print heads, each of which specifies application positions for printing fluid. A transport path is provided for the printing substrate through the printing assembly and is defined by at least two guide elements of the printing assembly. A printing section of the transport path begins at a first application position and ends at a last application position. At least one of the guide elements is in contact with a total of at least two lateral support elements and with at least one inner support element at three points that are spaced from one another in a transverse direction, the position of that guide element being thereby defined. The inner support element is arranged such that it is or can be rigidly connected to at least one of the lateral support elements.