EP0080588B1 - Feucht-Farbwerk für Offsetdruckmaschinen - Google Patents
Feucht-Farbwerk für Offsetdruckmaschinen Download PDFInfo
- Publication number
- EP0080588B1 EP0080588B1 EP82109406A EP82109406A EP0080588B1 EP 0080588 B1 EP0080588 B1 EP 0080588B1 EP 82109406 A EP82109406 A EP 82109406A EP 82109406 A EP82109406 A EP 82109406A EP 0080588 B1 EP0080588 B1 EP 0080588B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- inking
- damping
- plate cylinder
- dampening
- 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.)
- Expired
Links
- 238000007645 offset printing Methods 0.000 title claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
- B41F7/36—Inking-rollers serving also to apply ink repellants
Definitions
- the application relates to a wet inking unit for offset printing machines according to the preamble of claim 1.
- a known dampening system of this type (DE-A 28 45 932) discloses an immersion roller and a metering roller which are driven by a separate drive at a lower peripheral speed than the plate cylinder.
- the metering roller interacts with a first friction roller with a rough chrome surface, which is already driven at the peripheral speed of the plate cylinder.
- Both co-operating rollers have the same direction of rotation, so that the transfer of the dampening solution takes place in the opposite direction of movement of the roller surfaces.
- the dampening roller in turn works together with a first applicator roller, seen in the direction of rotation of the plate cylinder, which transfers the dampening solution to the plate.
- an intermediate roller is provided between the first and second applicator rollers.
- a storage roller can be assigned to the dampening roller.
- the disadvantage of the known design is that the supply and incorporation of the dampening solution into the ink takes place with the same dampening roller, so that repercussions on the metering roller and contamination with ink cannot be excluded at this point.
- the opposite direction of movement of the roller surfaces of the metering roller and the friction roller requires precise adjustment in order to avoid unwanted wear of the roller surfaces.
- FIG. 2 of DE-C 678 543 and DE-A 1411118 uses fewer rollers in the dampening unit, but is not able to supply the dampening solution to the inking unit and the plate cylinder so evenly distributed that a streak and stencil-free Pressure arises.
- the metering roller works directly with an application roller; however, there is no provision of a paint / water emulsion before the wet film touches the plate for the first time, since no dampening roller is assigned to the applicator roller in question.
- the metering roller in question also works directly with an applicator roller, which is additionally assigned an axially reciprocating buffer roller with a chrome surface for storing the dampening solution which is not currently required.
- This buffer roller touches the application roller in question in the direction of rotation thereof at a point which lies in front of the contact point of the application roller with the metering roller.
- PCT No. WO 81/01266 shows a special inking unit with only one inking roller, to which three ink storage rollers are additionally assigned. These ink storage rollers are used only for comparing the ink film on the inking roller and do not influence the dampening solution film supplied.
- the object of the invention is to design a dampening system for offset printing presses with the least technical effort so that an optimal supply of dampening solution to the printing plate is ensured without stenciling on the printed image being caused by the dampening system.
- a major advantage of the invention is that the dampening solution is incorporated into the ink film a second time with the additional friction roller. With the assignment of the distribution roller to the application roller after the dampening solution has been applied, a favorable ink-water emulsion is achieved and the rough chrome surface of the distribution roller prevents water wedge formation between the distribution roller and application roller. The known stenciling effects caused by the dampening solution application via an inking roller are demonstrably avoided.
- the solution to the problem according to claim 2 has the further advantage that the drive of the additional friction roller and the first applicator roller between the two rollers achieves a different peripheral speed, so that after the dampening solution is rolled in by the metering roller, a particularly intensive advantage Incorporation takes place through the friction roller.
- a plate cylinder 1, a rubber cylinder 2 and a printing cylinder 3 interact in a known manner.
- the sheets to be printed are fed from a transfer drum 4 to the printing cylinder 3 and removed from a further transfer drum 5.
- the sheet receives its imprint between blanket cylinder 2 and impression cylinder 3.
- the plate cylinder 1 is colored in a known manner via an inking unit 6 Seen plate cylinder 1, in front of the inking unit 6, a dampening unit 7 is provided, the details of which are described below.
- the dampening solution 9 is present in a dampening solution container 8, in which an immersion roller 10 rotates and is wetted by the latter (FIG. 2).
- the dip roller 10 is mounted in a known manner stationary in the machine side frames, not shown.
- the surface of the dipping roller is elastic and can e.g. are made of rubber.
- a dosing roller 11 cooperates with the dipping roller 10 and is provided with a smooth chrome surface and e.g. is pivotally mounted about the dip roller 10 via lever 18.
- the mounting of the metering roller 11 is designed such that the distance between the two rollers can be adjusted via eccentric bushes 19, so that the thickness of the dampening solution film on the metering roller 11 can be changed.
- the metering roller 11 interacts with the first application roller 12 as seen in the direction of rotation of the plate cylinder 1, which in turn is connected to the application roller 14 via a non-driven intermediate roller 13. This and the next applicator roller 15 rest against an inking roller 16.
- the first applicator roller 12 is seen in the direction of rotation of the same after the point of contact with the metering roller 11 a stationary in the side frames and driven at the peripheral speed of the plate cylinder 1 driven dampening roller 17.
- the rollers 12 to 17 all rotate at the peripheral speed of the plate cylinder 1, there is a speed difference between the applicator roller 12 and the metering roller 11, by means of which the amount of dampening solution supplied can be changed.
- the dampening roller 17 is provided with a roughened chrome jacket surface and supports the drive of the application roller 12 provided with an elastic jacket surface.
- the dampening roller 17 intensively incorporates the dampening film supplied by the metering roller 11 into the ink film already present on the jacket surface of the application roller 12 , so that a favorable color-water emulsion is achieved.
- the application roller 12 can be pivoted about the dampening roller 17 via levers 20 provided on both sides, so that it can be lifted off the surface of the plate cylinder 1.
- the metering roller 11 is first lifted off the applicator roller 12 via a pneumatic cylinder 21 and a connecting rod 22, so that the dampening solution supply is interrupted. Then the applicator roller 12 is lifted from the plate cylinder 1, delayed by the elongated hole 23. To set the dampening unit, the metering roller 11 is first placed against the applicator roller 12 and then the applicator roller 12 is placed against the plate cylinder by the metering roller 11.
- the intermediate roller 13 is placed on the applicator roller 14 by means of a lever 24 and a compression spring 25 and adjusted to the applicator roller 12 by means of adjusting screw 26, the intermediate roller 13 resiliently abutting the applicator roller 14 in the engaged state.
- the application roller 12 can be adjusted via eccentric bushes 27 relative to the dampening roller 17 and by means of adjusting screws 28 relative to the metering roller 11.
- the application roller 12 can be adjusted relative to the plate cylinder 1 by means of the stop screw 29.
- the dipping roller 10 is formed on its outer surface of elastic material in the longitudinal direction slightly spherical, so that a uniform distribution of the dampening solution is ensured over the length of the roller.
- the dampening roller 17 assigned to the application roller 12 prevents the formation of water wedges between the latter and the application roller 12 with the rough chrome surface.
- the lateral back and forth movement of the dampening roller 17 and the rolling movement improves the incorporation of the dampening solution in the ink film and demonstrably shows a stenciling appearance on the Avoided print image.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Golf Clubs (AREA)
- Reinforced Plastic Materials (AREA)
- Polarising Elements (AREA)
- Coating Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3146223 | 1981-11-21 | ||
DE3146223A DE3146223C2 (de) | 1981-11-21 | 1981-11-21 | Feucht-Farbwerk für Offsetdruckmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0080588A1 EP0080588A1 (de) | 1983-06-08 |
EP0080588B1 true EP0080588B1 (de) | 1986-03-19 |
Family
ID=6146917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82109406A Expired EP0080588B1 (de) | 1981-11-21 | 1982-10-12 | Feucht-Farbwerk für Offsetdruckmaschinen |
Country Status (12)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7017481B2 (en) | 2003-05-28 | 2006-03-28 | Heidelberger Druckmaschinen Ag | Method of operating a press and printing press |
CN103358663A (zh) * | 2013-07-09 | 2013-10-23 | 上海光华印刷机械有限公司 | 一种印刷机的水墨系统的排列结构 |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59212268A (ja) * | 1983-05-11 | 1984-12-01 | ボ−ルドウイン・テクノロジイ・コ−ポレイシヨン | 平版印刷機における給湿装置及び方法 |
DE3334470C2 (de) | 1983-09-23 | 1991-01-24 | Koenig & Bauer AG, 8700 Würzburg | Farbwerk für eine Rotationsdruckmaschine |
GB2151186B (en) * | 1983-12-12 | 1987-09-09 | Baldwin Technology Corp | Dampening system |
US4841855A (en) * | 1984-10-11 | 1989-06-27 | Marcum Charles L | Dampening unit for printing press |
JPS61501765A (ja) * | 1984-10-11 | 1986-08-21 | マ−カム,チヤ−ルズ,エル | 印刷機の湿し装置 |
US4676156A (en) * | 1985-11-20 | 1987-06-30 | Graphic Specialties, Inc. | Dampening apparatus for printing press |
DE3637460A1 (de) * | 1985-12-21 | 1987-07-02 | Werner J Kotterer | Druckplattenbefeuchtungsvorrichtung |
DE3644982A1 (de) * | 1986-07-12 | 1988-11-03 | Miller Johannisberg Druckmasch | Feuchtwerk fuer offsetdruckmaschinen |
US4741269A (en) * | 1986-08-01 | 1988-05-03 | Graphic Specialties, Inc. | Dampening apparatus for printing press |
CA1240203A (en) * | 1986-10-09 | 1988-08-09 | Robert E. Thistle | Dampening system for printing machines |
DE3739893A1 (de) * | 1987-11-25 | 1989-06-08 | Heidelberger Druckmasch Ag | Farbwerk fuer rotationsdruckmaschinen |
DE8716847U1 (de) * | 1987-12-22 | 1988-02-18 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Feucht-Farbwerk für Offset-Druckmaschinen |
DE3908043C1 (US06373033-20020416-M00071.png) * | 1989-03-13 | 1990-04-26 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
DE3923350C1 (US06373033-20020416-M00071.png) * | 1989-07-14 | 1990-05-17 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
DE3923636C2 (de) * | 1989-07-17 | 1996-05-23 | Kotterer Grafotec | Druckvorrichtung |
DE4003412A1 (de) * | 1990-02-05 | 1991-08-08 | Koenig & Bauer Ag | Buerstenfeuchtwerk |
DE4011039C2 (de) * | 1990-04-05 | 1996-03-14 | Roland Man Druckmasch | Verfahren zum Befeuchten und Einfärben eines Plattenzylinders einer Mehrfarben-Offset-Bogenrotationsdruckmaschine |
DE4013464C2 (de) * | 1990-04-27 | 1995-01-05 | Heidelberger Druckmasch Ag | Gummieren der Druckform einer Druckmaschine |
DE4013741A1 (de) * | 1990-04-28 | 1991-10-31 | Heidelberger Druckmasch Ag | Offset-druckmaschine mit zwischenwalze zur verbindung von farb- und feuchtwerk |
JPH0319952A (ja) * | 1990-05-11 | 1991-01-29 | Kanebo Ltd | ポリウレタン弾性繊維不織布 |
US5158017A (en) * | 1990-09-11 | 1992-10-27 | Sun Graphic Technologies, Inc. | Press dampening system |
DE4035865C2 (de) * | 1990-11-10 | 1999-09-23 | Koenig & Bauer Ag | Feuchtwerk für Druckmaschinen |
DE4130138C2 (de) * | 1991-09-11 | 1996-11-21 | Klaus Dipl Ing Wittel | Wasserführende Walze für ein Feuchtwerk einer Offsetdruckmaschine |
DE4140048C2 (de) * | 1991-12-05 | 1995-09-21 | Roland Man Druckmasch | Farbwerk einer Druckmaschine, insbesondere Bogenoffsetdruckmaschine |
DE4140651C2 (de) * | 1991-12-10 | 2000-08-17 | Koenig & Bauer Ag | Feuchtauftragwalzenantrieb in Druckmaschinen |
DE4312523C2 (de) * | 1993-04-16 | 1996-01-18 | Heidelberger Druckmasch Ag | Feuchtwerk für Offsetdruckmaschinen |
DE9305742U1 (de) * | 1993-04-16 | 1993-06-17 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Feuchtwerk für Offsetdruckmaschinen |
JP2882968B2 (ja) * | 1993-04-22 | 1999-04-19 | 三菱重工業株式会社 | オフセット印刷機の給湿装置及び給湿方法 |
DE19541418A1 (de) * | 1995-11-07 | 1997-05-15 | Heidelberger Druckmasch Ag | Offsetdruckmaschine |
DE19822442A1 (de) | 1997-08-04 | 1999-02-11 | Heidelberger Druckmasch Ag | Offsetdruckmaschine |
JP3364922B2 (ja) | 1999-02-22 | 2003-01-08 | 船井電機株式会社 | ピックアップ装置 |
DE19911568A1 (de) * | 1999-03-16 | 2000-09-21 | Heidelberger Druckmasch Ag | Verfahren zum Einfeuchten einer Flachdruckform und Feuchtwerk einer Flachdruckmaschine |
DE10008488A1 (de) * | 1999-03-17 | 2000-09-21 | Heidelberger Druckmasch Ag | Feuchtwerk einer Flachdruckmaschine |
US20030172818A1 (en) * | 2002-03-13 | 2003-09-18 | Marcel Motard | Dampening system for a printing press |
JP2003320644A (ja) * | 2002-04-30 | 2003-11-11 | Miyakoshi Printing Machinery Co Ltd | 水着けローラ駆動装置 |
US6796228B2 (en) * | 2002-12-27 | 2004-09-28 | Day International, Inc. | Dampener metering device |
JP2006062528A (ja) * | 2004-08-27 | 2006-03-09 | Fujitsu Ten Ltd | 軸形状部材とブラケットとの締結構造 |
DE102008014034A1 (de) * | 2008-03-13 | 2009-09-24 | Coatec Gesellschaft für Oberflächenveredelung mbH | Walzenkörper mit einem Walzenbezug zur verbesserten Farb-Wasser-Emulsionsbildung in Druckwerken von Nassoffsetmaschinen und Verfahren zu dessen Herstellung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981001266A1 (en) * | 1979-11-05 | 1981-05-14 | Dahlgren Mfg Co | Portable ink fountain |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2301334A (en) * | 1940-09-09 | 1942-11-10 | Armand C Schulz | Printing press |
DE1411118A1 (de) * | 1960-10-03 | 1969-02-20 | Dahlgren Harold P | Befeuchtungsvorrichtung fuer Offsetdruckplatten |
US3433155A (en) * | 1965-09-13 | 1969-03-18 | Harris Intertype Corp | Mechanism for applying a coating to a plate |
FR1491977A (fr) * | 1966-09-12 | 1967-08-11 | Harris Intertype Corp | Presse lithographique |
DE1940661C3 (de) * | 1969-08-09 | 1973-07-12 | Roland Offsetmaschf | Feuchteinrichtung fuer lithographische Druckmaschinen |
US3673959A (en) * | 1970-04-22 | 1972-07-04 | North American Rockwell | Dampening system for lithographic printing press |
US3769909A (en) * | 1971-03-10 | 1973-11-06 | Rockwell International Corp | Wet nip dampener |
US3842735A (en) * | 1972-12-22 | 1974-10-22 | Harris Intertype Corp | Lithographic printing apparatus and wash-up device |
US3926116A (en) * | 1974-07-01 | 1975-12-16 | Webcrafters Inc | Dampening apparatus for offset printing press |
GB1585510A (en) * | 1976-05-03 | 1981-03-04 | Am Int | Lithographic moisture system and method |
US4237785A (en) * | 1978-04-18 | 1980-12-09 | Dahlgren Harold P | Inker for applying newsprint type ink |
DE2845932A1 (de) * | 1978-10-21 | 1980-04-24 | Heidelberger Druckmasch Ag | Kombiniertes feucht-farbwerk fuer offsetdruckwerke |
DD139816A1 (de) * | 1978-11-15 | 1980-01-23 | Hans Johne | Feuchtwerk |
US4287827A (en) * | 1979-05-17 | 1981-09-08 | Warner Gordon R | Combined inking and moistening roller |
DE2932105C2 (de) * | 1979-08-08 | 1982-08-12 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Farbwerk und Feuchtwerk einer Offsetrotationsdruckmaschine mit zwei Farbwalzensträngen |
-
1981
- 1981-11-21 DE DE3146223A patent/DE3146223C2/de not_active Expired
-
1982
- 1982-10-12 DE DE8282109406T patent/DE3270005D1/de not_active Expired
- 1982-10-12 EP EP82109406A patent/EP0080588B1/de not_active Expired
- 1982-10-21 ZA ZA827727A patent/ZA827727B/xx unknown
- 1982-11-03 AT AT0400882A patent/AT384778B/de not_active IP Right Cessation
- 1982-11-10 AU AU90347/82A patent/AU555974B2/en not_active Ceased
- 1982-11-12 DK DK505582A patent/DK154195C/da not_active IP Right Cessation
- 1982-11-19 US US06/442,901 patent/US4440081A/en not_active Expired - Lifetime
- 1982-11-19 ES ES517510A patent/ES517510A0/es active Granted
- 1982-11-19 MX MX195259A patent/MX157582A/es unknown
- 1982-11-19 CA CA000416001A patent/CA1195179A/en not_active Expired
- 1982-11-19 NO NO823889A patent/NO158453C/no unknown
- 1982-11-22 JP JP57203811A patent/JPS5894465A/ja active Granted
-
1990
- 1990-04-11 JP JP2094167A patent/JPH03250A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981001266A1 (en) * | 1979-11-05 | 1981-05-14 | Dahlgren Mfg Co | Portable ink fountain |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7017481B2 (en) | 2003-05-28 | 2006-03-28 | Heidelberger Druckmaschinen Ag | Method of operating a press and printing press |
DE102004021328B4 (de) * | 2003-05-28 | 2014-01-30 | Heidelberger Druckmaschinen Ag | Verfahren zum Betrieb einer Druckmaschine |
CN103358663A (zh) * | 2013-07-09 | 2013-10-23 | 上海光华印刷机械有限公司 | 一种印刷机的水墨系统的排列结构 |
CN103358663B (zh) * | 2013-07-09 | 2015-03-11 | 上海光华印刷机械有限公司 | 一种印刷机的水墨系统的排列结构 |
Also Published As
Publication number | Publication date |
---|---|
CA1195179A (en) | 1985-10-15 |
JPS5894465A (ja) | 1983-06-04 |
JPH0236387B2 (US06373033-20020416-M00071.png) | 1990-08-16 |
DE3146223C2 (de) | 1985-03-21 |
NO823889L (no) | 1983-05-24 |
DK154195B (da) | 1988-10-24 |
AU555974B2 (en) | 1986-10-16 |
DE3270005D1 (en) | 1986-04-24 |
DK154195C (da) | 1989-03-28 |
JPH0451348B2 (US06373033-20020416-M00071.png) | 1992-08-18 |
DK505582A (da) | 1983-05-22 |
DE3146223A1 (de) | 1983-06-01 |
ES8307592A1 (es) | 1983-08-16 |
AU9034782A (en) | 1983-05-26 |
EP0080588A1 (de) | 1983-06-08 |
ZA827727B (en) | 1983-08-31 |
NO158453B (no) | 1988-06-06 |
JPH03250A (ja) | 1991-01-07 |
ES517510A0 (es) | 1983-08-16 |
US4440081A (en) | 1984-04-03 |
MX157582A (es) | 1988-12-02 |
ATA400882A (de) | 1987-06-15 |
AT384778B (de) | 1988-01-11 |
NO158453C (no) | 1988-09-14 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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