EP1990298A1 - Méthode de fonctionnement d'un dispositif d'introduction - Google Patents

Méthode de fonctionnement d'un dispositif d'introduction Download PDF

Info

Publication number: EP1990298A1
Authority: EP; European Patent Office
Prior art keywords: web tension; web; machine; printing; ezw
Prior art date: 2005-11-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP08161133A

Other languages

German (de)

English (en)

Other versions

EP1990298B1 (fr

Inventor

Nikolaus Markert

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koenig and Bauer AG

Original Assignee

Koenig and Bauer AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2005-11-15

Filing date

2006-11-13

Publication date

2008-11-12

2006-11-13 Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG

2008-11-12 Publication of EP1990298A1 publication Critical patent/EP1990298A1/fr

2009-07-15 Application granted granted Critical

2009-07-15 Publication of EP1990298B1 publication Critical patent/EP1990298B1/fr

Status Not-in-force legal-status Critical Current

2026-11-13 Anticipated expiration legal-status Critical

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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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
- 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

Definitions

the invention relates to a method for operating a feed train according to the preamble of claim 1.
the DE 100 14 535 A1 discloses a method for operating a web-fed rotary printing press, wherein train units located in the path path for the operating states pressure-off and pressure-on are given different advance values. It is further stated that when switching on the web tension will break - regardless of the fact that - as before - when turning on the pressure of the first tractor unit before the printing unit increases the web tension. It is further proposed now to adjust by a "slow" Bruzugkraftregelung at constant machine speed overruns of train units.
the JP 55021226 A shows an automatic control system of an offset machine, wherein the startup of the machine, an interruption of the further acceleration and a "checkup" of the paper takes place before the machine is further accelerated. When the machine is shut down, it will turn off after a certain speed has been reached.
the DE 102 25 824 A1 discloses a method for determining a trace for the web tension drop of a web by a print on job which is run before the actual production run.
the invention has for its object to provide a method for operating a feeder.
a web tension specification can take place directly above target value, ie, in dN / m, for example, and is not determined indirectly via a dancer force.
target value ie, in dN / m
an actual constant web tension is achieved after the intake / before the first printing unit.
direct size ie eg in dN / m
Other advantages over a dancer-based feeder include a compact design, fewer web guide elements in the paper path, a shorter path to the printing unit inlet, a lower maintenance of mechanical and pneumatic components and / or elimination of components such.
the method for operating the intake train or for web tension control is particularly advantageous that the risk of web break or other web tension induced disturbances during operation of the machine, especially during the startup and / or shutdown process, are significantly reduced.
By correlation of the predetermined web tension at the infeed or upstream of the printing units with the status of the printing units (with respect to printing on or -Ab) are avoided too high web tension in the printing units subsequent web path from the outset or reduces the risk drastically.
the procedure is initially independent of the specific design of the intake mechanism (for example, also dancer feeders), but particularly advantageous in connection with the below mentioned Buchwalzenbasêtm retraction.
a printing machine in particular a web-fed rotary printing press, has a roll changer 01, from which a web 02, for. B. material or paper web is unrolled, is guided by a retraction 03 and one or more downstream printing units 04, and then after printing directly or possibly a superstructure 06 with turner bars 07 and / or other web guiding devices of a finishing stage, eg. B. a former assembly 08 and / or a folder 09, is supplied.
a finishing stage eg. B. a former assembly 08 and / or a folder 09
the dancer device 15 has, for example, a movable, in particular a pivotally mounted roller, which is looped around by the web 02 and which can be acted upon with a defined force in the direction of movement.
the retraction unit 03 now defines the web tension S1 between retraction unit 03 and the first printing location (eg first printing group 04) for operation, but also determines the entire level up to the folder 09.
the web tension S2 in the superstructure 06 should normally be lower than the web tension S1 in front of the printing units 04.
parked pressure points or printing units 04 corresponds to the web tension S2 behind the last printing unit 04 substantially the web tension S2.
employees pressure points ie it is brought color and possibly water on the web 02, the web tension drops due to the changed stress-strain characteristics on the way through the printing units 04 from.
Fig. 2 shows an advantageous embodiment of the roll changer 01 with structurally integrated retraction 03.
the reel changer 01 or its frame has both the dancer device 15 and the advantageous manner web tension-controllable retraction 03. In this way, procedurally considered provided for very short tracks and structurally a space-saving and cost-effective solution, especially in connection with the procedure described below, found.
Fig. 3 shows a mechanical-electrical schematic diagram of an advantageous embodiment of a karwalzenbasêtm retraction unit 03, in particular a web tension-controlled retraction 03, wherein z. B. a speed control of a traction roller 12 driving drive motor 13 is superimposed on a web tension control.
Machine control 05 see Fig. 1
a control device 14 z.
a current machine speed (speed) n representing signal is provided.
the controller 14 forms together with the speed and / or rotational position of the drive motor 13 or the tension roller 12 detecting sensor, for. B. Rotary encoder 16, and the drive motor 13 a loop with respect.
the machine speed representing signal is changed depending on the superposed web tension control loop, z. B. acted upon by a factor.
With reference to the draw roller 12 downstream track path for example, by a measuring device 17, z.
one or more pressure rollers 18 are a pressing device -.
Fig. 4 shows an advantageous control principle, wherein the value of the current or (target) machine speed n is specified by the machine controller 05 or the master shaft or guide shaft, taking into account the diameter of the tension roller 12, a target value of the tension roller 12 is determined for the synchronous operation, is applied with a resulting from the superposed web tension control factor for forming the target value for the drive motor 13, which is then fed to the control circuit for compliance with this target value.
the factor is formed by comparison between the web tension setpoint S soll and the measured actual value S.
Fig. 5 shows a 3D representation of an advantageous embodiment of the feed unit 03 with the drive motor 13, the tension roller 12, the pressure rollers 18 (trolly) and a coupling 19 between the drive motor 13 and tension roller 12th
web tension S1 is as an internal arithmetic z. B. the web width of the currently retracted web 02 and a normalization between the physically measured parameter (eg, an electrical voltage and a resultant force and / or mechanical stress), which can be entered, for example in the controller and, at least the web width, on a display, z. B. the control room, is / are visualizable.
the mechanical-electrical system Fig. 3
target specifications for the web tension S1 after the infeed 03 and / or actual values for the web width and / or set values for a lag by the operating personnel can be entered in an advantageous embodiment.
the web tension falls at employees pressure points when color and possibly water is placed on the web 02, due to the changed stress-strain characteristic on the way through the printing units 04, so that in the superstructure 06 a (desirably) reduced web tension S2 prevails.
this fact is taken into account in particular when starting and / or shutting down the machine.
Fig. 6 shows schematically plotted against time the time course of a machine speed or machine speed (dash-dotted lines).
a machine speed or machine speed for example, after a retraction of the web 02, whose beginning is marked here with EZ, a startup of the machine.
EZ a startup of the machine.
a standstill of the machine for example, after a retraction of the web 02, whose beginning is marked here with EZ, a startup of the machine.
EZ a startup of the machine.
Fig. 6 shows schematically plotted against time the time course of a machine speed or machine speed (dash-dotted lines).
the web tension S1 between retraction 03 and first printing unit 04 is not equal to a required for printing web tension value F EZW , operation is regulated, but depending on the operating position or the operating state of the pressure points or printing units 04 to a reduced Web tension value F EZW , reduced downwards.
This can be specified directly as a predefinable setpoint, or else a difference value can be specified for the later web tension value.
the web tension control on the infeed mechanism is activated only after reaching the operating path tension F RW of the reel splitter 01. As a result, a calmer web tension structure, in particular between reel changer 01 and first printing unit 04, is achieved.
Fig. 6 represented, for example, after a standstill or after retraction with reduced specification of the web tension on reel changer 01 by a signal "faster" the setpoint input for the operating rail voltage F Rw of the reel splitter 01 is activated, eg. B. by switching from F RW reduced to F Rw , and only after reaching the desired operational track voltage F RW downstream of the roll changer 01 or after elapse of a predetermined time x at the time tx ( Fig. 6 ) the web tension control of the infeed 03 is activated.
a reduced default value for the web tension F EZW is then reduced at still parked printing units 04 and reduced given employed printing units of the operational default value for the web tension F EZW .
the web tension on the roll changer 01 or on the web path between reel changer 01 and retraction 03 is z. B. by the above dancer 15 according to the respective default value (F RW , F RW reduced).
the web tension S1 between infeed unit 03 and first printing unit 04 is adjusted by the infeed unit 03 in accordance with the respective default value (F EZW , F EZW ).
the information about the operating state or the change of the operating state of pressure-Ab in pressure-on or vice versa obtained the intake mechanism or its controller 14 z. B. from the parent control means 05.
the regulation of the infeed with the setpoint specification may be formed as part of a web tension control and / or -regelsystem 10, which additionally controls the web tension S2 in the superstructure 06 by not only the infeed 03, but also on the last printing unit 04 downstream draw roller 21 and / or a tensioning roller of the former assembly 08 upstream draw roller 22 acts ( Fig. 1 shown in dashed lines).

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Inking, Control Or Cleaning Of Printing Machines (AREA)
Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Rotary Presses (AREA)

EP08161133A 2005-11-15 2006-11-13 Méthode de fonctionnement d'un dispositif d'introduction Not-in-force EP1990298B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE200510054785 DE102005054785B4 (de)	2005-11-15	2005-11-15	Verfahren zum Betrieb eines Einzugwerks einer Druckmaschine
EP20060123907 EP1785377B1 (fr)	2005-11-15	2006-11-13	Changeur de rouleaux avec dispositif d'introduction

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20060123907 Division EP1785377B1 (fr)	2005-11-15	2006-11-13	Changeur de rouleaux avec dispositif d'introduction

Publications (2)

Publication Number	Publication Date
EP1990298A1 true EP1990298A1 (fr)	2008-11-12
EP1990298B1 EP1990298B1 (fr)	2009-07-15

Family

ID=37726932

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP20060123907 Not-in-force EP1785377B1 (fr)	2005-11-15	2006-11-13	Changeur de rouleaux avec dispositif d'introduction
EP08161133A Not-in-force EP1990298B1 (fr)	2005-11-15	2006-11-13	Méthode de fonctionnement d'un dispositif d'introduction

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP20060123907 Not-in-force EP1785377B1 (fr)	2005-11-15	2006-11-13	Changeur de rouleaux avec dispositif d'introduction

Country Status (2)

Country	Link
EP (2)	EP1785377B1 (fr)
DE (3)	DE102005054785B4 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102006061252A1 (de) *	2006-12-22	2008-06-26	Man Roland Druckmaschinen Ag	Verfahren und Vorrichtung zur Regelung eines Einzugwerks
DE102009010023A1 (de) *	2009-02-21	2010-08-26	Robert Bosch Gmbh	Verfahren zur Bahnspannungseinstellung bei einer Bearbeitungsmaschine
DE102009029377A1 (de) *	2009-09-11	2011-03-24	Manroland Ag	Benutzerschnittstelle für eine Rollendruckmaschine
DE102009052462A1 (de) *	2009-11-09	2011-05-12	Robert Bosch Gmbh	Verfahren zum Betreiben einer Wicklereinrichtung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5521226A (en)	1978-08-01	1980-02-15	Tokyo Kikai Seisakusho:Kk	Running automatic control system in off set roll press machine
EP0837825A2 (fr)	1995-07-11	1998-04-29	KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT	Procede pour la regulation de la tension d'une bande de papier
EP0976674A1 (fr)	1998-07-31	2000-02-02	Maschinenfabrik Wifag	Dispositif de réglage de la tension d'une bande
DE10027471A1 (de)	2000-02-04	2001-08-09	Koenig & Bauer Ag	Verfahren zur Regelung einer Bahnspannung in einer Rotationsdruckmaschine
DE10014535A1 (de)	2000-03-23	2001-09-27	Roland Man Druckmasch	Verfahren zum Betreiben einer Rollenrotationsdruckmaschine
US20030188661A1 (en)	2000-07-22	2003-10-09	Fischer Michael Heinz	Method for regulating the tension of a web
DE10225824A1 (de)	2002-06-11	2004-01-15	Koenig & Bauer Ag	Verfahren zur Ermittlung eines Verlaufs für den Spannungsabfall einer Bahn und Verfahren zur Einstellung der Spannung
WO2004031059A2 (fr)	2002-09-27	2004-04-15	Koenig & Bauer Aktiengesellschaft	Procede et dispositif de regulation de la tension d'une bande de systeme a bandes multiples
US20050103818A1 (en)	2002-02-05	2005-05-19	Gretsch Harald K.	Method and device for controlling the tension of a web

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2001294256A1 (en)	2000-10-16	2002-04-29	Japan Tobacco Inc.	Automatic connecting system for web
DE10060757A1 (de)	2000-12-07	2002-06-13	Heidelberger Druckmasch Ag	Fliegender Rollenwechsler in einer Rollenrotationsdruckmaschine
DE10135773C5 (de) *	2001-07-23	2009-07-09	Koenig & Bauer Aktiengesellschaft	Verfahren und Vorrichtung zum Steuern von Antrieben einer Druckmaschine

2005
- 2005-11-15 DE DE200510054785 patent/DE102005054785B4/de not_active Expired - Fee Related
2006
- 2006-11-13 DE DE200650004293 patent/DE502006004293D1/de active Active
- 2006-11-13 EP EP20060123907 patent/EP1785377B1/fr not_active Not-in-force
- 2006-11-13 EP EP08161133A patent/EP1990298B1/fr not_active Not-in-force
- 2006-11-13 DE DE200650004268 patent/DE502006004268D1/de active Active

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5521226A (en)	1978-08-01	1980-02-15	Tokyo Kikai Seisakusho:Kk	Running automatic control system in off set roll press machine
EP0837825A2 (fr)	1995-07-11	1998-04-29	KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT	Procede pour la regulation de la tension d'une bande de papier
EP0976674A1 (fr)	1998-07-31	2000-02-02	Maschinenfabrik Wifag	Dispositif de réglage de la tension d'une bande
DE10027471A1 (de)	2000-02-04	2001-08-09	Koenig & Bauer Ag	Verfahren zur Regelung einer Bahnspannung in einer Rotationsdruckmaschine
DE10014535A1 (de)	2000-03-23	2001-09-27	Roland Man Druckmasch	Verfahren zum Betreiben einer Rollenrotationsdruckmaschine
US20030188661A1 (en)	2000-07-22	2003-10-09	Fischer Michael Heinz	Method for regulating the tension of a web
US20050103818A1 (en)	2002-02-05	2005-05-19	Gretsch Harald K.	Method and device for controlling the tension of a web
DE10225824A1 (de)	2002-06-11	2004-01-15	Koenig & Bauer Ag	Verfahren zur Ermittlung eines Verlaufs für den Spannungsabfall einer Bahn und Verfahren zur Einstellung der Spannung
WO2004031059A2 (fr)	2002-09-27	2004-04-15	Koenig & Bauer Aktiengesellschaft	Procede et dispositif de regulation de la tension d'une bande de systeme a bandes multiples

Also Published As

Publication number	Publication date
EP1990298B1 (fr)	2009-07-15
DE502006004293D1 (de)	2009-09-03
DE102005054785B4 (de)	2010-08-19
DE502006004268D1 (de)	2009-08-27
EP1785377A2 (fr)	2007-05-16
EP1785377B1 (fr)	2009-07-22
EP1785377A3 (fr)	2008-08-13
DE102005054785A1 (de)	2007-05-16

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