Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H19/00—Changing the web roll
  • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
  • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/02—Conveying or guiding webs through presses or machines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/02—Conveying or guiding webs through presses or machines
  • B41F13/03—Threading webs into printing machines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F33/00—Indicating, counting, warning, control or safety devices
  • B41F33/04—Tripping devices or stop-motions
  • B41F33/06—Tripping devices or stop-motions for starting or stopping operation of sheet or web feed
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H19/00—Changing the web roll
  • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
  • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
  • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/40—Type of handling process
  • B65H2301/41—Winding, unwinding
  • B65H2301/417—Handling or changing web rolls
  • B65H2301/41702—Handling or changing web rolls management and organisation of stock and production
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/03—Image reproduction devices
  • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

• the invention relates to a method for supplying a printed product producing a printing machine with a material web of a fixed length according to the preamble of claim 1.
• EP 1 712 362 A2 discloses a method for converting a web printing press from a continuous production of a first printed product to a subsequent production of a second printed product, the first printed product from a first web of material currently fed to the web press and the second printed product from a web press Subsequently, the second material web to be supplied is produced, wherein these material webs differ in their respective width and / or in the type and / or grammage of their material from each other, wherein a time for producing a compound of the second material web with the first material web of at least a current production the first print product controlling control unit is determined, wherein this determination takes place in dependence on the second printed product production data, wherein the production data of the control unit are provided. It is provided that characteristic data of the second material web is detected by reading out a barcode label attached to this material web with a barcode reader connected to the control unit by data technology and made available to this control unit.
• EP 0 710 558 A1 describes a web-fed rotary printing press with an adjustable reel splicer for receiving printing substrate webs with different widths, with printing cylinders which can be set against one another in a printing unit to form printing areas and with an adjustable folding apparatus, wherein the width of the roll changer, the position of the impression cylinder and components of the folder for adjusting the production of a first printed product to a second printed product during the machine run are automatically and matched adjusted, the components of a folder, in particular also a jaw opening and an expansion of a Collecting cylinder, depending on the changed page number of the printed product are adjustable.
• the conversion of production is based on calculations and commands issued by the reel splitter.
• EP 0 639 456 A1 discloses the use of a production planning system for automatically providing production data to a control unit which controls a production of a printed product.
• WO 2005/077797 A2 discloses a method for storing unprepared and prepared material rolls of a web-processing machine in a warehouse, wherein information is supplied to a material flow system for forecasting consumption data for an upcoming production period or predicted consumption data and wherein in a sub-process based on the predicted Consumption data and the current stock is a determination of a storage strategy.
• a printing company which has at least one printing press, z. B. a web press, and a material supply system
• the material supply system supplies the printing machine with a plurality of each formed as a substrate material webs, said Material webs are to be printed successively in the web printing press.
• the material webs to be printed in the printing press are each preferably designed as a paper web.
• Each of the material webs assigned to a specific printed product to be produced or at least a part of them is preferably wound into a roll in each case.
• d. H. has a larger number of copies, as z. B. in a newspaper with z. B. several thousand copies per issue is the case, are to be provided on the press for performing such a print job successively several roles and introduce into the printing process, each roll forms a partial web of the material required for the execution of the respective print job.
• the individual partial webs are the printing press z. B.
• the printing machine works z.
• Example in a gravure printing method or in a planographic printing method, in particular in an offset printing method, wherein the offset printing method is a conventional, ie, a fountain solution using wet offset printing method or a dry offset printing without dampening can.
• the printed product to be produced with the printing press is preferably produced in multicolor printing, in particular in four-color printing.
• a width of a material web to be printed in the printing press can be up to 4,500 mm, in particular when the gravure printing method is used.
• the width of the material web is usually in the range between 1,000 mm and 2,400 mm, preferably between 1,200 mm and 2,400 mm.
• the partial webs required to execute a print job can each have a length in the range of several thousand meters.
• a new roll of newsprint paper in its condition delivered by the paper mill may have a partial web having a length in the range between 18,000 m and 25,000 m.
• several of these partial webs are required to perform certain print jobs, as a print job z. B. in the production of a newspaper may well involve several tens of thousands of copies.
• a high-performance printing machine with cylinders z. B. double circumference, ie with cylinders with a circumference in the range between 900 mm to 1,400 mm, the circumference z. B.
• each section length z. B. corresponds to a height of a newspaper page produced in a single hour, for example, about 90,000 copies of the respective printed product in double and about 45,000 copies in collective production.
• Such a printing press prints a role of the aforementioned type z. B. within 20 minutes, so then ready for uninterrupted continuation of production another sub-web and the printing press must be supplied.
• a paster can be used, the webs automatically during a current production of the printing z. B. by bonding together.
• a prepared for production role is recorded on support arms of the reel changer and accelerated depending on the current production speed of the printing press.
• the role prepared for production can be a new one Roll with a partial web in its full length or a residual roll already used in an earlier production with a residual length remaining from the original length. A residual role is thus a partially used role in a production, whereas a new role is an unused role in production.
• the belonging to the printing press material supply system manages z. B. a main camp and a day camp, in the main camp a larger stock such. B. supplied by a paper mill to the printer rolls with z. As well as different grammage and / or paper type and / or roll width are stored and wherein in the day camp id R. From the main camp only for a current production taken rolls are preferably kept in close proximity to the press in question. Both one or more new rolls and one or more remaining rolls can be stored in the day store. The rolls stored in the day storage are preferably fed automatically one after the other to the roll changer belonging to the printing press. In the day storage and also in the reel changer at least two partial webs of unequal length can be available for an upcoming production.
• a suitable transport system for transporting the individual roles in the main camp and / or between the main camp and the day camp and / or between the day camp and the reel changer, a suitable transport system is used, for. B. a stacker crane (RBG), a driverless transport system (AGV) or a crane.
• RBG stacker crane
• AGV driverless transport system
• the provision of roles in the day camp is preferably carried out automatically by means of a control unit having material supply system, the material supply system based on a pre-stored the printing process preferably computerized production planning system or due to the control unit of the material supply system manually entered data computationally determines the need for roles and the Providing the required roles to perform a specific print job roles associated with the press in question controls on time.
• the roles each have a z. B.
• the sleeve also serves to receive the respective roll on the roll changer, wherein at parallel spaced variably adjustable support arms opposite arranged cones due to a reduction of the distance between the support arms on both end sides of the respective role in the sleeve, wherein after gripping the Role by pivoting the support arms about a common axis extending parallel to the sleeve, the respective role of their respective pad is raised and received such that the respective lateral surface of the raised roller is free of any contact with any other contact surface.
• the sleeve of a used up role so far that use of this role in the production of the printing machine is no longer possible or at least no longer useful, is ejected from the reel by a preferably automatic release of the respective cones and finally removed from the area of the reel changer.
• the cones engaging a sleeve are rotatable. At least one of the cones engaging a sleeve is rotatably driven and driven to supply the partial web wound around this sleeve to the printing press in order to set the roller received in its stationary state into a rotational movement.
• a standing in operative connection with the at least one cone drive accelerates the recorded role in its rotational movement until the peripheral speed of this role corresponds to the current transport speed of the material web to be printed in the printing press.
• the material to be printed web is at a transport speed in the range of z. B. 10 m / s to 15 m / s, preferably with about 12 m / s, passed through the printing press.
• the transport speed of the material web to be printed in the printing press depends on the production speed of the printing press, wherein the production speed of the printing press is frequently indicated in revolutions of the printing cylinder per hour. In an ongoing production, they are printing Cylinder of the printing press, ie in offset printing at least the transfer cylinder, z. At 40,000 or even 45,000 revolutions per hour.
• the duration for ejecting a sleeve of a settlement of their partial web z. B. used up to a minimum diameter used roll and for delivering another roll z. B. from the day camp to the reel changer and to Aufachsen and accelerate this further role by the reel changer forms a cycle time, which in addition to a temporal security surcharge for collecting z. B. may include any delays in the execution of the above operations.
• the cycle time including a security surcharge of z. B. 30 seconds total about 420 seconds.
• the partial web of the last roll which is used in the execution of a continuous print edition of a particular printed product, has a minimum length, at a current transport speed for the material to be printed in the printing press web for a full cycle time lasting production is sufficient. If it is intended to prepare for a subsequent next production during an ongoing production, the minimum length of this last partial web also becomes dependent on the cycle time for providing at least one partial web to a material web other than the current one, namely the subsequent overlay established.
• the last partial web When planning the use of the last partial web required for executing a running production, preferably only the maximum transport speed for the material web to be printed in the printing press is taken into account. However, it can also be taken into account whether the transport speed for the material web to be printed in the printing press is changed during the use of this last partial web, in particular whether this transport speed is reduced from a higher amount to a smaller amount or even to a standstill.
• the definition of the minimum length of this The last partial web can thus also be dependent on a profile of this transport speed, this profile having a uniform or changing, in particular falling, profile as compared to the transport speed of at least one previously printed partial web.
• the intended profile of the transport speed of the last partial web to be used in a current production is preferably stored in a memory of the material supply system.
• This length can be z. B. on the control unit of the material supply system manually entered or in the memory of the material supply system, a database is stored, which contains data from previous productions, what data the control unit of the material supply system can use for their calculations, the data stored in the database z. B. depending on the grammage and / or the type of printing material can be sorted.
• the remaining length of a teilabge wornen role is z. B. from the reel changer, preferably based on the changed in a certain time unit diameter of this role, at least approximately and reported to the control unit of the material supply system for local storage and / or use.
• the material supply system thus first determines the entire length of the material web that is required for the contiguous production of a particular edition or several consecutively to be printed editions of a particular type of printed product, wherein in the case of several successive to be printed editions, the individual partial editions each in their page number and in must match the grammage and grade of the substrate to be used. For a lack of conformity of the individual partial editions in their respective page number and / or in their respective grammage and / or variety of the printing material to be used would give copies of the respective printed product, which would differ in their respective product thickness, which in turn inter alia changes to settings in one of the printing press downstream folding apparatus would result.
• the material supply system preferably prepares on the basis of information, e.g. B.
• the material supply system lines the selected partial webs to one another in such a way that the last partial web has a minimum length, wherein this minimum length depends at least on the cycle time to provide a partial web required for the continuation of the current production. From the amount of all existing in the main warehouse and / or day storage roles thus those rollers are selected in a first step, which are suitable for the execution of the upcoming print job, and these roles are z. B. cached in the day camp. Then, in a further step, these selected roles z. B.
• the last partial web can be completely used up in their usable under the given conditions length, where they usually has a non-zero residual length, said remaining residual length of the last partial web at the end of the executed print job z. B. is separated by an actuation of a doctor blade of the printed material in the printing web. Furthermore, then belonging to this last sub-web rest roll is automatically Toachst from the roll changer, ie removed, and after an automatic or manual intervention, the z. B. by an adhesive preparation o. ⁇ . May be given, for. B.
• the material supply system considered in his arithmetic determination of the entire length of the web, which is required for the contiguous production of a particular edition of a particular printed product, accumulated experience accumulating experience, this by a percentage addition or by adding a fixed number of copies each to the desired product edition automatically or by a manual input or selection z. B. can be done on a control station of the printing press or on the control unit of the material supply system.
• z. B. 65,000 copies of the printed product to be produced, for example, 2,000 expected copy copies or a circulation of z. B. 90,000 copies of the printed product to be produced z. B. 5,000 copies can be scheduled.
• a reserve equal to a certain percentage of the desired product circulation or in the amount of a certain number of copies, z. B. from 3,000 copies, by each of which the desired product edition is increased.
• the number of spoof copies and / or the reserve can z. B. on the control unit of the material supply system variably adjustable and adjusted in dependence on the height of the product support and / or on the nature of the printed product. From the total number consisting of the product edition plus the spoof copies and the reserve, the total length of the material web required for a continuous production of this total number is determined on the basis of the given configuration for the printing press to be used.
• the configuration of the printing machine takes into account, for example, the size of the circumference of the cylinders involved in the printing process of this printing press and the type of assignment of these cylinders with printed images, the different types of production Double or collective production as well as the page number of the copies of the printed product to be produced.
• the invention is an object of the invention to provide a method for supplying a printed product producing a printing press with a material web of defined length, being used to form the length of the web more partial webs with at least partially different lengths are used, these partial webs are used in such a way be brought that the current production is terminated with the last of these partial webs at the end of the edition to be printed in a defined manner.
• the achievable with the present invention consist in particular that the current production can be terminated with the selected in a certain way last partial web in a defined manner, namely such that the partial webs having a different length as the last used partial web a minimum length wherein the minimum length of the last partial web is determined in dependence on a transport speed of the material web such that an end of the production to be terminated with this last partial web is reached at the earliest after the expiration of a cycle time, wherein the cycle time is a period in which a material web or one of their partial webs is prepared for their respective use in the printing press.
• the proposed method also makes it possible to carry out an automated transition of a first material web to be printed in the ending first production onto a second material web to be printed in the subsequent second production, wherein the material webs z. B. differ in their respective width and / or in the variety and / or grammage of their material from each other. This transition can be carried out with a minimum set-up time, possibly even without stopping the web-fed printing machine.
• the second web of material is reliably, promptly and promptly provided at the end of the first production on the web press and introduced into the production process, so that a prophylactic Vorhalten a so-called "Angstrolle" to ensure the completion of the current production can be omitted, which is not absolutely necessary for production
• the proposed methods also help to optimize a stock of stocks from which the web-fed printing press is supplied with the respective material web.
• Fig. 1 is a block diagram of a printing with at least one
• FIG. 2 to 6 show a first example of selected rolls for producing a particular printed product
• Figures 7 to 11 show a second example of selected rolls for the production of a particular printed product
• Fig. 12 is a diagram of a timing for the process of
• Fig. 14a and 14b combination options for interconnectable material webs of different widths
• Fig. 17 a reel changer with a% -wide roll and a 4/4-wide
• FIG. 18 shows a roll changer with a 2/4 wide roll and a 4/4 wide roll
• FIG. 19 shows a roll changer with a 2/4 wide roll and a 3/4 wide roll
• Fig. 20 is a program mask for performing an automatic
• FIG. 1 shows a simplified block diagram of a printing works with at least one printing press 01 and an electronic control unit 02 of a material supply system.
• the printing machine 01 is preferably designed as a web-fed printing machine 01 and consists z. B. from several, z. B. two independently producible sections 03; 04, each section 03; 04 preferably several, z. B. four printing towers 06 and at least one folding apparatus 07 has.
• Each printing tower 06 is preferably associated with an automatic roll changer 08, wherein each roll changer 08 can simultaneously carry two rolls of a printing material to be supplied to the printing plate 06, namely a first roll which is already involved in a production currently being carried out with the printing press 01, and one another role, which is prepared to be involved in the production once the substrate has been consumed by the first roll.
• Each roll forms a partial web, wherein the roll changer 08 has a device for automatically connecting the partial web of the roll already involved in the current production with the partial web of the production continuing roll. This device interconnecting the partial webs of the roll changer 08 is formed in its preferred embodiment as an adhesive device.
• the roll changers 08 each have a control unit, which is connected in each case for carrying out a data exchange via a control line 09 to the control unit 02 of the material supply system.
• each section 03; 04 a preferably as a control station 1 1; 12 trained control unit 1 1; Assigned 12, wherein at each of these control stations 1 1; 12 the respective section 03; 04 or even the printing press 01 as a whole can be controlled.
• the control rooms 1 1; 12 are preferably connected via a control line 13 to the control unit 02 of the material supply system.
• the control stations 1 1; 12 each have z.
• an operating unit 31 with a display device (Fig. 2), wherein on the operating unit 31 data, in particular the respective print job production data, manually entered or z. B.
• the respective control room 1 1; 12 belonging display device may also be designed as a so-called touch screen, wherein a touch screen known in computer technology as a touch screen or Sensor screen trained input device is so that a selection or input can be made directly to this display device, since functions of the control unit 31 are integrated in this display device. It is preferably provided that the production data, the control center 1 1, which controls the at least the current production of the first printed product; 12 are provided by a manual input to the to this control station 1 1; 12 associated control unit 31 during the current production of the first printed product can be supplemented and / or corrected, so that changes and / or corrections can be considered if necessary.
• the control stations 1 1; 12 are preferably also interconnected with each other via a control line 14, this control line 14 is preferably also connected to an electronic control unit 16 of a production planning system.
• the control unit 16 of the production planning system is connected via a control line 17 to the control unit 02 of the material supply system.
• the control unit 16 of the production planning system can be connected via a control line 18 to a control unit 19 of an operating data acquisition system.
• a manually guided main bearing is at the control unit 02 of the material supply system via a control line 22, at least one monitor 21 for role demand display and preferably z.
• B also a control unit for an input and / or selection of data, in particular production data, connected to the control unit 02 of the material supply system.
• the control unit 02 of the material supply system is connected via a control line 23 also with control and actuating devices of the printing machine 01 associated with daily storage 24 in connection, said control and actuating devices z. B. drive at least one effective in the day storage 24 transport device 26 and monitor this transport device 26 in their movement.
• the effective in the day camp 24 transport device 26 may, for. B. be designed as a driverless transport system (AGV).
• AGV driverless transport system
• the day storage 24 is also managed by the material supply system.
• a roller preparation station 27 is provided for preparing the rollers, in which z. B. prepared from the main bearing rollers prepared for their use in a printing process and then stored in the day storage 24.
• the respectively required roll is automatically delivered to the roll preparation station 27 via the material supply system.
• the preparation of the rolls carried out in the roll preparation station 27 also includes, in particular, preparing these rolls for a bonding process carried out later in the roll changer 08. Rolls processed in the roll preparation station 27 are therefore also referred to as glue-prepared rolls. A tack-prepared role is depending on the durability of Klebeborbungung z. B. within 24 or 72 hours to feed the printing process.
• a control unit arranged in the roller preparation station 27 for preparing the rollers is connected via a control line 28 to the control unit 02 of the material supply system.
• the control unit of the roll preparation station 27 preferably has an operating unit and a display device (both not shown).
• All control lines 09; 13; 14; 17; 18; 22; 23; 28 may also be designed as wireless transmission links and / or preferably the same, z. B. an Ethernet-based communication network belong.
• all control lines 09; 13; 14; 17; 18; 22; 23; 28 may be arranged one or more traffic controlling and / or monitoring devices 29, these devices 29 each z. B. are designed as a bidirectional traffic gestattende interface 29.
• control units 02; 1 1; 12; 16; 19, by means of the control lines 09; 13; 14; 17; 18; 22; 23; 28 makes it possible that data between at least one of the control stations 1 1; 12 and the production planning system and / or the material supply system and / or can be transferred from the respective roll changer 08 directly to the material supply system.
• the Control unit 02 of the material supply system that held in the day storage 24 to perform a specific print job suitable roles of the printing material and transported on time to the respective reel changer 08.
• the control unit 02 of the material supply system controls the processes required to execute a specific print job such that the z. B. from the day storage 24 and / or main stock selected roles of the printing material are used targeted so used that the production to be performed is terminated with the last used to be used role at the end of the print run in a defined manner.
• the determination of the sequence of the rolls to be printed by the control unit 02 of the material supply system takes place, in particular, as a function of the minimum length of the partial web determined for the defined completion of production on the last roll to be used, wherein the determination of the minimum length preferably also the intended transport speed taken into account for the web to be printed in the printing press.
• the data networking of the control unit 1 1; 12 of the printing press 01 with the control unit 02 of the material supply system and / or the control unit 16 of the production planning system makes it possible, in particular, for a time for establishing the connection of the second material web with the first material web to be controlled by the control unit 1 1 controlling at least the current production of the first printed product; 12, dhid R.
• control unit 1 1; 12 can be determined and fixed, wherein the determination takes place in dependence on production data, the this control unit 1 1; 12 by a manual input to a to this control unit 1 1; 12 belonging control unit 31 or automatically provided by the control unit 16 of the production planning system.
• a circulation of the printed product with 65,000 copies is assumed. Another 5,000 copies will be available as Expected waste and planned as a reserve, so that rollers are selected, with which a total of 70,000 copies can be produced. With a cycle time of 420 seconds considered as given in this example, taking into account a specific configuration of the printing press 01, at least 14,300 copies must still be producible with the last roll to be used.
• the control unit 02 of the material supply system selects to execute this print job z. B. three roles. Figs. 2 to 4 each show a permissible selection and order for the selected roles.
• the production is started with a roll whose partial web is sufficient for the printing of 40,000 copies of the current print job.
• two smaller roles eg. B. sub-rollers used, the respective part of each web has a length of 15,000 copies to be printed. Even the last of these three roles is completely used up in the execution of this print job in their usable length, so that essentially only their sleeve is removed from the roll changer 08.
• FIGS. 2 to 6 The extent to which the respective partial web is consumed in the printing process is indicated in FIGS. 2 to 6 in each case by a hatching of the respective roll.
• a white cross-sectional area indicates the respective residual roll, ie. H. the whereabouts of the sub-railway which is not used in current production.
• the production z. B. started with a partial role, the sub-railway for the printing of 15,000 copies enough. Thereafter, two new rolls are successively used with a sufficient for the print of 40,000 copies length of their respective sub-web used, but with the last role only 15,000 copies are produced. On this last role thus remains a greater residual length of their sub-web, so that this role removed from the reel changer 08 after completion of production and z. B. is stored again in the day camp 24. Of the The actual diameter of this last roll is greater than the minimum required diameter that must be present for this roll to be reused to perform an automatic roll change.
• the production is started with a small partial role, which is used up after the printing of 5,000 copies of the current print job. Afterwards, a new roll will be put into action, the part of which will suffice in the current production for 40,000 copies. Subsequently, a sub-roll is used, with which the remaining 25,000 copies can be printed. Thereafter, this latter part of the role in their usable length is completely used up, so in turn essentially only their sleeve from the reel changer 08 is to be removed. In the case illustrated, it was assumed, as in the example of FIG. 2, that the copies planned for the reserve were also all printed. If the specimens scheduled as reserve are at least partly not printed, there would be a residual roll which would have to be stored again if their remaining actual diameter is larger than the required minimum diameter.
• the constellation shown in FIG. 5 is similar to the constellation according to FIG. 3, but at the beginning of the production, a partial roll sufficient for printing 25,000 copies is used, so that at the end of the current production with the new roll only 5,000 copies are to be printed , However, 5,000 copies are printed in a shorter time than the cycle time, so that it inevitably comes to a standstill of the printing press 01 after printing these remaining to complete the print job required copies. Because for a continuous transition to a subsequent production, it would be necessary that at the given speed profile for the transport of the web, the printing press 01 prints a total of at least 14,300 copies of the last used to be used role, which in the constellation shown in FIG however, this is not the case. The selection and order of the roles used here is Accordingly, unfavorable and thus to avoid.
• the constellation according to FIG. 6 is also very unfavorable and not permissible for carrying out a continuous transition to a subsequent production.
• a new role is completely consumed by the printing of 40,000 copies. Thereafter, only 20,000 copies of a new roll will be printed. This latter new role is thus half used up. Thereafter, in this example, a partial role to be used, the sub-train is sufficient for the print of 10,000 copies, after which this sub-roll is completely used up in their usable length.
• This production planning is to be avoided because it is unfavorable to connect at the given, preferably maximum transport speed for the web a teilabge noteworthye role as the middle role, of which only 20,000 copies are printed, with the sub-web of a subsequent role, because in the Partially leaked roll would remain on the rapidly rotating residual roll, at least in the roll changer 08 uncontrollable to beating paper flag that could cause significant disruption to current production.
• FIGS. 7 to 1 a second example of the production of a printed product is shown, which is assumed here of a circulation of the printed product with 95,000 copies, which are added to a total of 8,000 more copies as expected waste and as a reserve.
• four rollers are selected by the control unit 02 of the material supply system and placed in line for the production corresponding to the print job, so that a total of 103,000 copies can be produced with the sum of their partial webs.
• cycle time 420 seconds, taking into account a specific configuration of the printing machine 01, it is determined that at least 16,750 copies must be producible with the last roll to be used.
• a partial roll for 20,000 copies and then a new roll for 40,000 copies is used at the beginning of production, which in turn follows a partial role for 26,000 copies.
• a new roll with a capacity for 40,000 copies is used again, of which, however, only 17,000 copies are printed, so that of the part of this role more than half of them left.
• FIGS. 10 and 11 show not permissible constellations.
• production begins with a partial roll for 30,000 copies. Then follow initially a new role for 40,000 copies and then a partial role for 25,000 copies. To finish the current production then only 8,000 copies need to be printed, but this happens at the given speed profile for the transport of the web in a shorter time than the existing cycle time.
• This constellation is unfavorable, irrespective of the type of last roll used, that is, irrespective of whether a sub-roll or, as shown, a new roll covering 40,000 copies is used as this last roll.
• FIG. 12 shows a diagram of a time sequence for a conversion of a web-fed printing press 01 from a running production of a first printed product to a subsequent production of a second printed product, wherein this conversion comprises the execution of an automatic transition of a first material web to be printed in the ending production , B. with a first width to be printed in the subsequent production second web z. B. should allow with a second width, these widths differ from each other.
• the transition from the ending production to the subsequent production can additionally or alternatively, a change in the variety, in particular paper type, and / or in the grammage of the printing material concern. Even with the same grammage, a substrate, in particular a paper, depending on its variety in its web thickness differences of z. B. 20% or more.
• a first section A shown in abbreviated form indicated that in a first production shown, the printing machine 01 runs at its preferably maximum production speed n1, wherein the speed of rotation of the impression cylinder related production speed n1 z. B. 40,000 revolutions per hour.
• the at least one control unit 1 1; 12 of the printing machine 01 at time t1 z. B. their spill by the production speed n1 is continuously reduced from the time t1, since the current, ie in this example, the first production is coming to an end.
• a second section B begins at time t1, at the latest until the end of the period indicated by section B, which extends to a point in time t3 at which the printing machine 01 preferably reduces one compared to the production speed n1 Production speed n3 in the range of z. B. only between 5,000 and 7,000 revolutions per hour, the control unit 02 of the material supply system, preferably due to an initiation by the control unit 16 of the production planning system, a new z. B. from the day storage 24 taken role of the printing material to those roll changer 08 is provided, which is involved in the ongoing first production and at the subsequent second, ie new production will be involved.
• the provision of a reel needed for the new production preferably begins already before the time t1.
• the provision of the roll required for the new production has already been completed at time t1.
• the provision of the needed for the new production role includes that the reel changer 08 from its control unit z. B. is brought by a pivoting of its mutually parallel support arms and by adjusting the distance between these support arms in a Friedachsposition in which the roll changer 08 receives the role provided to him and then predetermined in their peripheral speed to the value of the already reduced production speed Transport speed for the currently printed in the printing press web accelerated.
• washing process may be provided for participating in the ongoing production printing cylinder, that is, transfer cylinder and forme cylinder of the printing unit of the printing press 01 and for the ink transporting rollers of the respective forme cylinder associated inking unit, which preferably ends at time t3 washing process z.
• B. at a time t2 begins at which the printing machine 01 preferably a relation to the full production speed n1 reduced production speed n2 z. B. of only 7,000 revolutions per hour.
• a run-washing beginning at time t2 washing process can, for. B. last between 2 and 3 minutes.
• This washing process is preferably associated with a retraction of the printing cylinder and in particular in a dry offset printing process and the inking of ink, is in a conversion of the printing press 01 to perform an automatic transition to be printed in the ending production first web with a larger first width to one in the subsequent production to be printed second web with a lower second standard width, otherwise affected in the printing unit ink affected the subsequent printing process.
• a time period subsequent to the time t3, which is represented in the diagram as a section D, is at a one of at least the current production of the first printed product controlling control unit 1 1; 12, ie from one of the control stations 1 1; 12, fixed time triggered by a corresponding control signal, a beginning of the intended for subsequent production second material web z.
• connection point By establishing the connection of the second material web with the first material web, a connection point is formed, preferably a splice, whose run can be monitored by the printing machine 01.
• the connection point between the first material web and the second material web is z. B. from one in the reel changer 08 arranged connecting device preferably formed at the end of the usable length of the second material web.
• the connection point between the first material web and the second material web at a defined transport speed passes through a distance from the roll changer 08 at least to the folder 07, the length of this route is determined by calculation on the basis of the design conditions in the printing machine 01 or metrologically.
• the time required for the passage of this route is z. B.
• a width of the gap between jaws of the folder 07 should be started to retrofit the folder 07 from the previous production of the first printed product to the subsequent production of the second printed product.
• the first material web is separated from its role by this material web by a cross-cutting device, for. As a discount knife, is cut off from a remaining on the roll rest of this substrate, wherein the cross-cutting device z. B. is operated by the control unit of the roll changer 08.
• the beginning of the second material web provided for the subsequent production from the first material web through the respective printing tower 06 is at least up to a preferably in the superstructure of the printing press 01 arranged turning device pulled.
• the turning device has in addition to several turning bars also z. B. a plurality of transversely to the transport direction of the web of material arranged side by side and each acting longitudinally to the transport direction of the web of cutting devices, with which the respective material web is divisible into a plurality of individually processable strands. This z. B.
• the splice joint connecting the two material webs at the end of the section E at the time t5 in the turning device just reaches the slitter, wherein at the time t5, ie at the beginning of a in FIG. 12 to the section E subsequent section F, the production speed n5 of the printing press 01 z. B. is reduced to zero and thus the two interconnected webs come to a standstill.
• the moving by the transport of the webs splice thus preferably stops immediately before or in the area of action of the slitter.
• the cutters still attached to the material web of the previous production are temporarily parked and repositioned until the start of the new production, before they are put back into service.
• the cutting devices may also have to be freed of cutting residues resulting from the previous production and cleaned of soiling. It may also be provided that a strand of one of the material webs is divided into a plurality of different sub-strands by cutters employed on this material web and that these several different sub-strands of the same strand, which are processed into the same printed product, are simultaneously fed to the same folding apparatus 07.
• a gap which can be set on the jaw cylinder of the folding apparatus 07 and which is currently set for the previous production of a gap formed by spaced jaws is adapted to the new production.
• This adjustment of the width of the gap of the jaws can be done manually or preferably automatically by an adjusting device on the folding unit 07, wherein this adjusting device z. B. from one of the press 01 belonging control panels 1 1; 12 is controlled by a corresponding control command.
• the adaptation of the width of the gap of the jaws is always necessary in particular when changed by the production change held by the jaws thickness of the copies of the printed product by a minimum value, said minimum value z. B. less than 1 mm, preferably about 0.5 mm.
• Such a change in the thickness of the copies of the printed product may, for. Example, when the printed product has a jump in the number of pages of eight or more, or if a variety is used with a larger compared to the first material web sheet thickness for the second material web. For a significant change in the product flap held by the jaw thickness z. B.
• the change in the adjustment of the width of the gap of the jaws is preferably dependent on the time for establishing the connection of the second Material web started with the first material web and / or from the transport speed of the interconnected material webs, this time is in the limited in the diagram of FIG. 12 by the times t3 and t4 section D.
• the change in the adjustment of the width of the gap of the jaws is started after the production of the connection of the second material web with the first material web.
• the change in the adjustment of the width of the gap of the jaws is only started after the connection point between the first material web and the second material web produced by the connection of the second material web to the first material web as it passes through the printing press 01 has reached at least the longitudinal direction to the transport direction of the webs acting cutting device.
• the change in the setting of the width of the gap of the jaws z. B. only after the production speed of the printing press 01 with respect to its printing cylinder from a production of the first printed product exporting level has dropped to less than 7,000 revolutions per hour or even after the cylinders of the printing press 01, the Production of the first printed product have come to a standstill.
• the change in the adjustment of the width of the gap of the jaws is preferably completed before the first copy in the sequence of the second printed product obtained from the second web reaches the respective gap of the jaws when the product thickness of the second printed product is greater than the product thickness of the previously produced first printed product.
• the change in adjustment of the width of the gap of the jaws is preferably completed only after the first copy in the sequence of the second printed product obtained from the second web has reached the relevant gap of the jaws. It is advantageous to provide that the set width of the gap of the jaws of at least one drive provided in the folding device 07 in less than 30 seconds on the width for holding one each for holding a copy of the first printed product Copy of the second printed product is set.
• the retraction speed n7 must not exceed a limit set by the machine manufacturer during the adjustment of the folder 07, otherwise the folder 07 can be damaged, it may come to a stopper due to a set too small width of the gap of the jaws for the printed product, or the normally held by the jaws of the folder 07 to be held print product during its transport in the folder 07 due to a set too large width of the gap of the jaws can be lost.
• the limit value of the pull-in speed n7 is z. B.
• the section H is also referred to as proof, in which the printing cylinder involved in the printing of the second web are employed again at the latest and also z.
• B at least one setting of the at least one in the printing tower 06 arranged inking and / or dampening to the new production, ie also to the opposite to the first web changed width of the second Material web is adjusted, after which takes place from the time t ⁇ of the actual new production exporting printing.
• the folding apparatus 07 is adapted to the new production.
• the adjustment of the printing unit which has the printing cylinder involved in the new production, as well as the adjustment of the associated to this printing unit inking and / or dampening can also be used for.
• the transport speed of the web can be briefly reduced to zero (not shown) before the pressure of this new web begins.
• the adaptation of the printing unit involved in the second production and of the associated inking unit and / or dampening unit can already begin before the time t5.
• the adjustment of the printing unit may include changing one or more printing plates arranged on the forme cylinder.
• the adjustment of the folder 07 may also include changing feed rollers, an overfold, creasing rollers, a paddle wheel, and / or a pinion ply in their respective settings. Furthermore, it may be necessary at least one traction device to maintain the web tension, for. B. a biasing and / or a pullout work and / or a Jardinbahnregler to change in each setting. Also, a funnel slope and a device for web edge control to be adjusted to the new production. All these changes in the setting of the machine components involved in the second production are preferably carried out automatically and are z. B. from the first production or from the new production controlling control unit 1 1; 12, ie from the respective control station 1 1; 12 triggered.
• the gluing process in the roll changer 08 is completed and the second material web belonging to the new production is drawn into the printing tower 06 involved in the second production.
• the time t4 the gluing process in the roll changer 08 is completed and the second material web belonging to the new production is drawn into the printing tower 06 involved in the second production.
• the time t7 which marks the beginning of the proof, it starts, that from the earlier, ie first production originating, in their peripheral speed braked to their standstill residual roll from the roll changer 08 and preferably as a stick-prepared role either in the day camp 24 or in exceptional cases store again in the main camp, the Klebevorrung the removed from the roll changer 08 residual role usually R. manually in the roll changer 08 and not by a move to the roll preparation station 27 takes place.
• the storage of a roll tack-prepared on the roll changer 08 in the day store 24 takes place in particular when, according to the data available in the production planning system, this roll can be reintroduced into a printing process within the period specified by the durability of the adhesive preparation.
• the material supply system ensures that a new roll is delivered to this roll changer 08, which supplies at least one further part web of the material web required for the newly started production.
• This new role is, as described above, taken up by the roll changer 08 and introduced into ongoing production by the beginning of the web of the new role is preferably connected by gluing to the end of running in the current production of their role material web, wherein the provision and printing preparation of the new roll for a continuous supply of the printing press 01 with the printing material must be completed within the period of time, which is determined by the production time of the roll with the currently running material web.
• the material supply system ultimately provides for the realization of a continuous flow of material to the respective reel splitter 08 successively as many roles of the respective substrate available, as required by the specification of the production planning system according to the above-described computational determination to carry out the respective production.
• one of the control stations 1 1; 12, from which the printing machine 01 is controlled receives by manual input on a to this control unit 1 1; 12 belonging control unit 31 or automatically from the control stations 1 1; 12 and the control unit 02 of a material supply system superordinate or at least coupled control unit 16 of the production planning system a set of belonging to a particular print job production data, which include production data including an indication of the number of copies of the printed product to be printed.
• the same or at least the same content set of production data is also provided by the control unit 16 of the production planning system to the control unit 02 of the material supply system.
• both the at least the current production of the first printed product controlling unit has 1 1; 12 as well as the control unit 16 of the production planning system in each case at least over a set of production data, which characterize the first printed product to be produced, as well as a set of production data, the mark second printed product.
• Production planning system can be connected to at least one other, not shown here computing system.
• the at least the current production of the first printed product controlling the control unit 1 1; 12 gives to the control unit of the roll changer 08, the 01 the first web for producing the first printed product currently supplies the printing machine, the control command to connect at a given time, the second material web with the press 01 currently supplied first material web, this time of it
• the conversion is then initiate and execute when the first material carried out with the first production comes to its completion, d. H. after the production of the number of copies of the first printed product to be made according to the production data associated with that first printed product.
• the execution of the at least the current production of the first printed product controlling the control unit 1 1; 12 issued to the control unit of the roll changer 08 control command is omitted z. B. when the control unit of the roll changer 08 to the at least the current production of the first printed product controlling control unit 1 1; 12 sets a fault message, because the roll changer 08 z. B. no or a wrong material web has been provided. In the presence of the fault message, the at least the current production of the first printed product controlling control unit 1 1; 12 for the printing machine 01 trigger a machine stop if necessary.
• the control unit 02 of the material supply system causes based on the received from the control unit 16 of the production planning system or optionally by a manual input production data that the reel changer 08 as needed at the right time for the execution of the respective Print jobs required roles of each substrate are provided.
• the control unit 02 of the material supply system therefore decides on the basis of the preferably received from the control unit 16 of the production planning system production data on which roles with what substrate in which order from the day storage 24 or the main warehouse and to be transported to the reel changer 08.
• the control unit of the reel changer 08 reports back to the control unit 02 of the material supply system, among other things, whether the reel changer 08 is ready to perform a reel change and / or which peripheral speed has the new reel prepared for the gluing process and / or if a new reel e.g. B. is required because of consumption of the currently unwound roll and / or which diameter has a to be removed from the roll changer 08 residual role.
• the control unit 02 of the material supply system can preferably report back to the control unit 16 of the production planning system, which role (s) and / or how many rolls of a particular printing material z. B. were consumed to perform a specific print job.
• the control unit 02 of the material supply system manages, on the basis of the production data received from the control unit 16 of the production planning system, all operations involved in loading the reel changer 08 with the substrate required to perform a particular print job, whereas the at least current one Production of the first printed product controlling control unit 1 1; 12 monitors, based on the same set of present production data, all operations in the printing press 01 and causes adjustments to be made on time in the correct order upon a change of production in the printing press 01, including its associated folder 07, to execute the new production.
• various processes or control sequences of the control unit 02 of the material supply system and of the at least the current production of the first printed product controlling control unit 1 1; 12 depending on the same z. From the control unit 16 of the production planning system provided production data matched and, if necessary, synchronized with each other.
• the printing machine 01 forms between their spaced apart parallel side frames, the z. B. as side Sl and side Sil, a transport plane, in which the respective webs to be printed are feasible, the transport plane transverse to the transport direction of the respective webs a z. B. by the axial length of the printing cylinder, but at least has a limited by the distance of the side frames width.
• the width of the transport plane therefore defines a maximum width of the material web which can be guided by the respective printing press 01.
• the respective width of the respective material web can therefore correspond at most to the width of the transport plane or it is formed smaller than the width of the design-related width of the transport plane in the printing machine 01st In a printing machine 01 with a forme cylinder, on the lateral surface in the axial direction z.
• B. four printing plates are arranged side by side or at least can be arranged, the width of the transport plane z. B. divided into eight preferably equidistant sections.
• a printing machine 01 with a forme cylinder on the lateral surface in the axial direction z.
• six printing plates are arranged side by side or at least can be arranged, the width of the transport plane z. B. be divided into twelve preferably equidistant sections. If the respective material web with its respective width takes up the full width of the transport plane, the respective material web is referred to as a 1/1 web.
• the respective web with their respective width only a part of the width of the transport plane to complete, receives the respective web that name, which corresponds to the proportion of the claimed width of the transport plane, ie z. B. / 2-wide,% -wide, 7/8-wide, etc.
• a material web which occupies only a part of the width of the transport plane with their respective width, may be positioned differently in their arrangement with respect to the width of the transport plane , either it is on one or the other opposite side frame, that is aligned on the side Sl or on the side of Sil or she is z. B. arranged centrally between the two side frames.
• a reel changer 08 automatically executed change from a first production of a first printed product to a subsequent second production of a second printed product, wherein a second web of material having a second width is connected to a first web of material having a different width from the first width , should be between the first width of the first material web and the second width of the second material web, an overlap z. B. of at least half of the full web width to make a reliable connection between the first web and the second web.
• the minimum coverage for material webs to be joined of different width is generally at least several hundred millimeters and is z. B. in the range between 500 mm and 1200 mm.
• the expiring first material web is shown blackened with its first width, followed by representations of a respective permissible second material web with their respective second width, wherein the respective required coverage area between the width of the first material web and the width of the press 01 to be supplied new second material web is shown darker than the rest of the respective width of the second material web, provided that the width of the second material web is greater than the width of the first material web or the second material web is supplied with a lateral offset to the first material web of the printing press 01.
• the second material web is preferably tack-prepared in the anticipated coverage area of its width with the width of the first material web for establishing the connection between the two material webs.
• the 15 shows the example of a printing press 01 with a forme cylinder, on the lateral surface in the axial direction of four printing plates are arranged side by side or at least can be arranged, the number of variants that arise for webs of different width under the proviso that the overlap area the first width of the first material web having the second width of the second material web is at least half the width of the transport plane.
• the number of variants is each for a 1/1 width roll, for a 7/8 wide roll, for a 3/4-wide roll, for a 5/8 wide roll and for a 1/2-wide roll shown.
• the respective variant z. B. on the control unit of the control unit of the roll preparation station 27 can be confirmed by a corresponding input or selection, provided that no automatic detection is provided for this purpose.
• a printing press 01 with a forme cylinder on the lateral surface in the axial direction z. B. six printing plates are arranged side by side or at least can be arranged, the number of variants is significantly higher, because then the width of the transport plane z. B.
• Adhesive preparation to be extended by forming a chamfered section at the beginning of the second material web, wherein the chamfered section is preferably formed as an adhesive tip, the chamfered section being formed by chamfering the second material web in its transport direction.
• FIG. 16 illustrates the adhesive preparation of the second material web on the basis of three examples a), b) and c).
• the adhesive-prepared second material web wound around a central axis 32 into a roll is shown in a plan view in each case in the lower image area, and the upper image area respectively shows the beginning of the second material web unwound from the respective roll, wherein in all three examples the respective second material web transversely to its transport direction in each case in four equidistant sections 33; 34; 36; 37 is divided.
• an overlap between the width of the web first material web and the width of the second material web is in each case at least half of the full web width, ie in these examples of at least two adjacent subsections 33; 34; 36; 37th
• a second material web extending over the full width ie a 4/4-wide web
• a second material web is to be connected to a 2/4-wide first material web, wherein the 2/4-wide first material web extends centrally 4- wide second material web to 4 /, so that a swing of two in each case 1/4-width of the full web width is to both sides of the 2/4-wide first web of material at the transition to the 4/4-width second web of material, wherein the full web width is the maximum permissible web width for these webs.
• a glue tip is formed, wherein the 4/4-wide second material web at its beginning on both sides, ie in their outer sections 33; 37, is beveled over a length L of about 2 m.
• a double-sided adhesive tape 38 is attached, with which later the connection to the 2/4-wide first material web is produced.
• the inclination in the attachment of the double-sided adhesive tape 38 is advantageous for the subsequent passage of the connection point between the first material web and the second material web z. B. by the nip against each other employed printing cylinder to avoid an extended in the axial direction of this printing cylinder line load.
• a second material web extending over the full width ie a 4/4-wide web, with a 3/4-width first web is intended
• Material web are joined such that there is on one side of the 3/4 wide first web of material at the transition to the 4/4-width second material web a width jump from 1/4-width of the full web width.
• a glue tip is formed on the 4/4-wide second material web, wherein the 4/4-wide second material web on one side of its beginning, namely here in the outer portion 37, as in Example a) over a length L Beveled by about 2 m, with a reinforcement in the edge region of the formed on the second material web chamfer due to the width jump of only 1 ⁇ width of the full web width is not required.
• a double-sided adhesive tape 38 is attached at the adhesive tip.
• a second material web extending over the full width ie a 4/4-wide web
• both material webs each having one of their end faces the same side of the printing machine 01 are aligned so that at the opposite side of the alignment page at the transition of the 2/4-wide first material web to 4/4-wide second material web results in a width jump of 2/4 width of the full web width.
• This sudden change is so great that, in addition to the previously described adhesive preparation, further measures are required in order to substantially rupture the 4/4 wide second material web as it is drawn into the printing press 01 due to the first material web compared to the 2/4 wide material web to avoid changed web tension conditions.
• the additional measures must aim to equalize the different in each material web web tension conditions.
• the beginning of the second material web in the two adjacent sections 36; 37 over a comparatively larger length L of z. B. 6 m to 8 m beveled and then reinforce the edge region of this chamfer with a preferably flat reinforcing strip 39, wherein the stiffening band 39 z. B. is formed as an adhesive side only having adhesive tape 39.
• this stiffening band 39 preferably in the edge region of this chamfer z. B.
• one or more additional strips of the reinforcing strip 39 can be attached to the edge of the chamfer even in the central region of the adhesive tip when moving the web at the adhesive tip attacking web tension across the width to even.
• a double-sided adhesive tape 38 is attached.
• the length L of the chamfered portion between at least 0.5 m and usually form at most 8 m, which corresponds in rolls wound to material webs about half to twice the circumference of the relevant role.
• the edge 41 of the chamfer runs at an angle of z. B. less than 30 °, preferably less than 10 °, in particular between 3 ° and 8 ° to the intended direction of transport of this material web.
• a grammage of the second material web in the range between 45 g / m 2 and 50 g / m 2 , it is advantageous if the length L of the chamfered portion is approximately ten times the intended width jump.
• Values of the grammage of common types of paper are in the range between 25 g / m 2 and 150 g / m 2 , preferably between 45 g / m 2 and 60 g / m 2 .
• the stiffening band 39 should be applied in the edge region of the chamfer if the tensile strength of the second material web is less than 2,000 N / m.
• the tensile strength of paper across its fiber direction is significantly lower than in the fiber direction.
• the intended transport direction of the relevant material web is usually always parallel to the fiber direction of this material web.
• the stiffening band 39 should therefore be applied in the edge region of the chamfer at least when the tensile strength of the material web formed as a paper web is below 1000 N / m in its fiber direction and below 600 N / m transverse thereto.
• the attachment of the reinforcing strip 39 in the edge region of the at least one section beveled on the second material web is thus provided in particular when in the production of a connection between two different widths of material webs, the width of the second material web by more than a quarter of the maximum permissible for these webs web width is greater than the width of the first web and / or if the length L of the tapered portion is between eight and twenty times the width difference between the first and second webs and / or if the second web tear strength is less than that of the first web ,
• These abovementioned conditions for attaching a reinforcing strip 39 in the edge region of the at least one section bevelled on the second material web are of particular interest in the implementation of automated processes for converting a web printing press from a continuous production of a first printed product to a subsequent production of a second printed product, because these conditions are for.
• Fig. 17 shows in a side view a reel changer 08 with two pairs of support arms, wherein from a pair of support arms a% width wound into a roll first material web and from the other pair of support arms a 4/4-wide wound into a roll second Material web is added. Both rollers are aligned with one of their end faces in each case on the same side of the roll changer 08 aligned.
• the second material web is provided at its beginning with a glued on one side adhesive tip, wherein in the three sections not affected by the bevel again preferably with a slight inclination transverse to the transport direction of the second material web double-sided adhesive tape 38 is attached. 17 corresponds to the example b) of FIG. 16.
• the connection of the second material web with the unwound in the current production of their role first web only takes place after the role with the second material web z. B. has been accelerated from its standstill in its peripheral speed to the transport speed of the first material web.
• Fig. 18 also shows a side view of a roll changer 08 with two pairs of support arms, wherein by a pair of support arms a 2/4 wide wound to a roll first web and from the other pair of support arms a 4/4-wide to a Roll wound second material web is added. Both rollers are aligned with one of their end faces in each case on the same side of the roll changer 08 aligned.
• the second material web is provided at its beginning with a glued on one side adhesive tip, wherein in the two sections not affected by the bevel again preferably with a slight inclination transverse to the transport direction of the second material web double-sided adhesive tape 38 is attached.
• Fig. 19 also shows a side view of a roll changer 08 with two pairs of support arms, wherein one of a pair of support arms a 2/4 wide wound to a roll first material web and from the other pair of support arms a 3/4 width to a Roll wound second material web is added. Both roles are centered in the reel changer 08.
• a glue tip tapered on both sides over a length L of approximately 2 m is formed, wherein a double-sided adhesive tape 38 is attached to the two bevels, preferably with a slight inclination transverse to the transport direction of the second material web.
• a reinforcement in the edge region of the chamfers formed on the second material web is not required due to the small width jump of only Vi width of the full web width.
• connection of the second material web with the first material web unwound from its roll in the current production takes place here only after the roller with the second material web has reached its circumferential speed z. B. has been accelerated from its standstill on the transport speed of the first web.
• Fig. 20 shows a program mask 42, the z. B. on the display device of one of the control stations 1 1; 12 is displayed.
• This program mask 42 belongs to a program which controls the sequence of the process for retrofitting the web printing press from a current production of a first printed product to a subsequent production of a second printed product, wherein the webs z. B. in her different width and / or in the variety and / or grammage of their material from each other, ie automatically performs a so-called circumference change.
• the program mask 42 has z. B. a control panel 43, in which z. B.
• buttons 44 or 46 can be determined by an operation of a corresponding button 44 or 46, whether the process for retrofitting the web printing machine from a current production of a first printed product to a subsequent production of a second printed product manually controlled by an operator or automatically run automatically programmatically.
• the button 46 assigned to the automatic sequence of this method is shown activated.
• a residual quantity of copies of the first printed product is entered in an input field 47, for example. B. - as shown - of 5,000 copies.
• the program mask 42 also has z. B. at least one display field 48, in which preferably at least one operating status of various at the end of this process for retrofitting the web press from a current production of a first printed product to a subsequent production of a second printed product participating units of the web press are displayed.
• the displayed operating states relate to each other following operating states of at least one participating in the process reel changer 08, wherein the displays in the display 48, for. B. be updated depending on the event.
• control station 1 1 control unit, control station
• control unit control room

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Replacement Of Web Rolls (AREA)
• Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
• Inking, Control Or Cleaning Of Printing Machines (AREA)
• Shaping Of Tube Ends By Bending Or Straightening (AREA)

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• 2006
  • 2006-09-15 DE DE102006043422A patent/DE102006043422A1/de not_active Withdrawn
  • 2006-10-31 DE DE102006062836A patent/DE102006062836B4/de active Active
  • 2006-10-31 DE DE102006051297A patent/DE102006051297B4/de not_active Expired - Fee Related
• 2007
  • 2007-07-25 AT AT07113116T patent/ATE550277T1/de active
  • 2007-07-25 US US12/309,553 patent/US8001899B2/en not_active Expired - Fee Related
  • 2007-07-25 EP EP07787883A patent/EP2046671B1/fr active Active
  • 2007-07-25 WO PCT/EP2007/057654 patent/WO2008012323A1/fr active Application Filing

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