EP1037746A2 - Bahnführungswalze - Google Patents
BahnführungswalzeInfo
- Publication number
- EP1037746A2 EP1037746A2 EP98966772A EP98966772A EP1037746A2 EP 1037746 A2 EP1037746 A2 EP 1037746A2 EP 98966772 A EP98966772 A EP 98966772A EP 98966772 A EP98966772 A EP 98966772A EP 1037746 A2 EP1037746 A2 EP 1037746A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide roller
- web
- web guide
- printing unit
- radius
- Prior art date
- 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
Links
- 238000010168 coupling process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 244000059549 Borneo rubber Species 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F22/00—Means preventing smudging of machine parts or printed articles
-
- 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
Definitions
- the invention relates to a web guide roller for a web-fed rotary printing press according to the preamble of claims 1, 2 and 3.
- a web-fed rotary printing press which has at least one paper roll behind the last printing unit in order to deflect the paper web.
- JP-A-57-193368 describes guide rolls whose diameter is equal to the diameter of a rubber cylinder of a printing unit.
- the invention has for its object to provide a web guide roller.
- the printed print carrier web does not deposit ink and thus does not smear when it comes into contact with the web guide roller Print image generated.
- This is on the one hand by an oleophobic surface, for. B. made of chrome and on the other hand in that the surface of the oleophilic web guide roller has a rubber elevator or rubber coating. Possible ink deposits on the surface of the web guide roller now always take place in the same place.
- Each printing unit 16 to 19 each has a transfer cylinder, for. B. rubber cylinder 3 or 4 and each form cylinder, z. B. plate cylinder 6 or 7.
- the cylinders 3; 4; 6; 7 of each printing unit 16 to 19 are connected, for example, by means of known gear transmissions.
- each printing unit 16 to 19 With each printing unit 16 to 19, one color can be printed, which are fed to the plate cylinders 6 or 7 from non-specific inking units. Furthermore, each plate cylinder 6 or 7 of the printing units 16 to 19 can also be assigned dampening units (not shown).
- the Rubber cylinder r 3; 4 are each against each other or against a continuous, pressure carrier web, z. B. paper web 8 anste l Ibar.
- the paper web 8 is after leaving the printing units 1; 2 in the direction of F via a web guide roller, for. B. Papi e r Lei twa lze 9 performed and redirected.
- the paper web 8 lies at an angle alpha of z. B. 90 ° or k le i ne r / g röss r on Papi e r le i twa lze 9.
- the paper roll 9 has an outer radius d, which corresponds to an effective outer radius e of a rubber cylinder 3 or 4.
- the radius e therefore corresponds to an effective transport radius e, on the basis of which one
- Transport speed of the paper web is determined depending on the speed of the transfer cylinder.
- this radius e is smaller than a radius of the rubber cylinder in the unloaded state.
- the effective radius e of the rubber cylinder is technically equal to the radius d of the web guide roller, d. H. Tolerances are permissible as long as there is no slippage on the rubber cylinder and on the web guide roller. Such tolerances only lead to negligible changes in the web tension.
- the Papi Lei roller 9 has an oleophilic, ie z. B. provided with a rubber blanket surface 11 or an oleophobic surface 11, z. B. a Ch rombesc hi c device.
- the printing units 1; 2 and the papi er lei twa lze 9 are each according to a first embodiment with a rotat i onswi nke l-geege legene drive, z. B. engine 12; 13; 14 connected.
- Each motor 12 to 14 is assigned a rotational angle position sensor (not shown), each motor 12 to 14 and each position sensor being connected to a drive control (not shown). All drive controls are connected via a data bus. This is a Wi nke l sync roni tat both between the rubber cylinders 3 or 4 of the printing unit 1 and between the rubber cylinders 3 or 4 of the printing unit 2 and the
- each of the pressure units 1 and 2 is connected to a synchronizing or longitudinal shaft via a clutch, via a bevel gear transmission, via a synchronizing or standing shaft, via a standing shaft coupling and via a bevel gear transmission (not shown).
- the couplings can be known, registered clutches and consist of an upper and a lower coupling plate.
- the rubber cylinder 3 or 4 of each printing unit 16 to 19 is provided with an absolute encoder which, via known electronic means, signals only one possible angular position of the driven rubber cylinder 4 for synchronous engagement of the printing unit.
- the absolute encoder consists of a circular disc with angular adjustment. Instead of the absolute encoder, a known so-called uniqueness coupling can also be used, which also only permits the coupling process in a possible angular position.
- the circumference of the paper rolls 9 can be adaptable to the effective circumference of the rubber e last i see lift of the rubber cylinder 3 or 4 in order to compensate for possible tolerances.
- the paper roll 9 has a circumferentially changeable rubber or plastic coated surface 11.
- the circumferential margin is z. B. achieved in that on a shaft of the paper guide roller 9 a circum angse ns tel Iba res, cylinder-like support element is arranged, which has a number of jacket el segments, which are wedge-shaped on the inside and which cooperate with counter-wedges arranged in the axial direction .
- a cylindrical screw spring is threaded onto this support element, one end of which is connected to the shaft and the other end of which is connected in the direction of a span in order to change the diameter of the coil spring.
- an oleophilic paper roll can also have an endless rubber coating, a so-called sleeve.
- roller base body is surrounded by a jacket-like carrier plate carrying a rubber blanket, the angled legs of the carrier plate being held in a secant-like slot in the roller base body.
- the oleophobic surface of a z. B. chrome-coated Papi erlei twa lze 9 thereby angsve edges rba r are formed that first the shaft journal by means of known rotatable entries.
- a temperable liquid e.g. B. water or oil through the inside of the roller.
- the radius d or the circumference of the paper rolls 9 can be changed by a few millimeters by appropriate tempering of the liquid and the associated different thermal expansion. This allows possible tolerances to be compensated for between the circumferences of the rubber cylinders 3 or 4 and the paper cylinders 9.
- a plate cylinder 6 or 7 of the printing unit 16 to 19 then has approximately the radius d of the paper rolls 9. This is also possible with Doppe lumf angsmachi and double production, i. H. two identical subjects on the circumference of the forme cylinder or plate cylinder 6 or 7.
- the peripheral speed of the rubber cylinders 3 or 4 and the driven paper roller 9 is the same, so that a possible deposition of ink at always the same place on the surface 11 or the circumference of the paper roller 9 and thus with harmless effect.
- the radius of the drivable Papi er le i twa lze 9 an integer multiple, z. B. correspond to twice the effective radius e of a rubber cylinder 3 or 4 of a printing unit 16 to 19, the peripheral speed being the same.
- the drivable paper roller or web guide roller 9 can also act as a pull roller 21.
- the pulling roller 21 driven by the motor 14 can also be assigned a counter roller 22 which can be driven by a motor 23 if necessary.
- the counter roller 22 can also be mounted in non-supporting arms and can be designed to be adjustable against the pull roller 21 by means of spring force.
- the motor 23 can also be flanged to the counter roll 22 and the motor 14 can also be flanged to the paper roll 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19755317 | 1997-12-12 | ||
| DE19755317A DE19755317A1 (de) | 1997-12-12 | 1997-12-12 | Bahnführungswalze |
| PCT/DE1998/003640 WO1999029507A2 (de) | 1997-12-12 | 1998-12-08 | Bahnführungswalze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1037746A2 true EP1037746A2 (de) | 2000-09-27 |
| EP1037746B1 EP1037746B1 (de) | 2001-10-17 |
Family
ID=7851725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98966772A Expired - Lifetime EP1037746B1 (de) | 1997-12-12 | 1998-12-08 | Bahnführungswalze |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6371020B1 (de) |
| EP (1) | EP1037746B1 (de) |
| JP (1) | JP3387056B2 (de) |
| DE (2) | DE19755317A1 (de) |
| WO (1) | WO1999029507A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1500502B1 (de) * | 2003-07-24 | 2010-08-11 | Miyakoshi Printing Machinery Co., Ltd. | Rotationsdruckmaschine |
| FR2909031B1 (fr) * | 2006-11-24 | 2011-03-04 | Goss Int Montataire Sa | Machine d'impression et procede correspondant. |
| DE102009005065B4 (de) * | 2008-02-18 | 2021-04-29 | Heidelberger Druckmaschinen Ag | Verfahren und Vorrichtung zum Ein- und Auskuppeln eines Plattenzylinders in einer Bogendruckmaschine |
| US20150328879A1 (en) * | 2014-05-19 | 2015-11-19 | Matthias Hermann Regelsberger | Precision registration in printing cylinder systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3060853A (en) * | 1958-07-16 | 1962-10-30 | Tribune Company | Printing |
| DE1873638U (de) * | 1963-03-28 | 1963-06-12 | Maschf Augsburg Nuernberg Ag | Mehrfarben-offsetrotationsdruckmaschine. |
| US4271379A (en) | 1978-12-29 | 1981-06-02 | Harris Corporation | Web fed printing press motor control |
| JPS57193368A (en) * | 1981-05-26 | 1982-11-27 | Dainippon Printing Co Ltd | Ink drying machine for offset rotary printing machine |
| AU579278B2 (en) | 1986-04-28 | 1988-11-17 | Nikka Kabushiki Kaisha | Washing method and apparatus for guide rollers of rotary press |
| DE4122322C2 (de) * | 1991-07-05 | 1994-03-17 | Roland Man Druckmasch | Beschichtete Papierleitwalze |
-
1997
- 1997-12-12 DE DE19755317A patent/DE19755317A1/de not_active Withdrawn
-
1998
- 1998-12-08 WO PCT/DE1998/003640 patent/WO1999029507A2/de not_active Ceased
- 1998-12-08 US US09/589,598 patent/US6371020B1/en not_active Expired - Fee Related
- 1998-12-08 EP EP98966772A patent/EP1037746B1/de not_active Expired - Lifetime
- 1998-12-08 DE DE59801816T patent/DE59801816D1/de not_active Expired - Lifetime
- 1998-12-08 JP JP2000524134A patent/JP3387056B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9929507A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999029507A2 (de) | 1999-06-17 |
| EP1037746B1 (de) | 2001-10-17 |
| DE19755317A1 (de) | 1999-06-17 |
| JP2001525274A (ja) | 2001-12-11 |
| DE59801816D1 (de) | 2001-11-22 |
| WO1999029507A3 (de) | 1999-07-22 |
| US6371020B1 (en) | 2002-04-16 |
| JP3387056B2 (ja) | 2003-03-17 |
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