CN1923510B - Offset printing machine driving device - Google Patents
Offset printing machine driving device Download PDFInfo
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- CN1923510B CN1923510B CN2006101288346A CN200610128834A CN1923510B CN 1923510 B CN1923510 B CN 1923510B CN 2006101288346 A CN2006101288346 A CN 2006101288346A CN 200610128834 A CN200610128834 A CN 200610128834A CN 1923510 B CN1923510 B CN 1923510B
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- gear
- printing
- plate cylinder
- cylinder
- drive unit
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Abstract
To offer a drive mechanism for an offset duplicator which shortens printing plate changing time at a comparatively small cost by improving a drive mechanism for an offset duplicator of a type equipped with at least one motor and a train of gearwheels to drive a plurality of drums synchronically during the printing, and each adjoining drum of the printing device having each different phase angle position, and also equipped with at least one transmitting means which can be switched to drive the drums during the operating process of unprinting cycle. The transmitting devices 65, 66, 67, 68; 82, 83; 122,123, have transmission ratios in accordance with the phase angle positions of a given time, and the drums 36, 37, 38, 39; 70, 71, 72 are adjustable to the same phase angle positions during thesynchronous spinning conditions.
Description
Technical field
The present invention relates to a kind of drive unit that is used for offset press, have a gear train and at least one motor, be used for synchronously driving the cylinder of a plurality of printing equipments during printing, wherein the cylinder of adjacent printing equipment has the phase place that differs from one another; Gear with at least one convertible gear ratio is used for the running drive cylinder outside a printing.
Background technology
Disclose a kind of drive unit that is used for sheet-fed press by DE 19640649A1, wherein in the drive gear set of each masterplate cylinder or plate cylinder, be provided with conversion clutch.If clutch is operated, then these plate cylinders separate with main drive gear set and can be driven respectively by some auxiliary motors, be used for changing of printing plates, pre-inking and wetting in advance, be used for cylinder and clean or produce new forme.The setting of clutch and auxiliary motor is consumption material but also expend cost not only.
In the drive unit according to the offset press of DE 10348030A1, plate cylinder separates with main drive gear set by a clutch and is driven by auxiliary motor in imaging work.Clutch respectively is used as the gear clutch that has irregular toothed portion and is arranged on the axle of transfer platen.For printing work, the generation of the required phase place of plate cylinder is very time-consuming.
Described a kind of device that is used for changing forme on printing machine in DE 10222002A1, wherein plate cylinder can separate by the gear train of convertible clutch with a closure.This gear train constitutes a main drive with a motor.These clutches respectively have two lock positions, and they are designed to like this, and promptly plate cylinder has a phase place mutually and then is in when changing of printing plates on the unified changing of printing plates position in printing work.Plate cylinder must separate according to priority and again phase place correctly connect, the replacing of all formes expends time in thus.
Rotary printer according to DE 102 34 830 A1 comprises a drive unit, but the variable speed drive of a gear shift wherein is set between the gear of driving plate cylinder and the corresponding plate cylinder itself in printing work.In an imaging job, plate cylinder by driver motor with higher speed drive.Plate cylinder remains identical phase place in printing work and in imaging work.
Summary of the invention
Task of the present invention is: develop a kind of drive unit that is used for offset press, it can reduce time consumption when changing of printing plates and available little one-tenth was realized originally.
According to the present invention, a kind of drive unit that is used for offset press has been proposed, have a gear train and at least one motor, be used for synchronously driving the cylinder of a plurality of printing equipments during printing, wherein the plate cylinder of adjacent printing equipment has the phase place that differs from one another; Gear with at least one convertible gear ratio, be used for the running drive cylinder outside a printing, wherein, described gear has and the corresponding gear ratio of current phase place, wherein, these plate cylinders can be adjusted on the identical phase place when co-rotation.Its favourable configuration can be by obtaining in other measure.
According to the present invention, in order side by side to regulate the changing of printing plates position of a plurality of impression cylinders, the torque flow between a main drive and at least one plate cylinder is convertiblely by a gear transmission.Selectively make gear ratio that torque flow directly uses with when printing or be delivered to relevant plate cylinder with another gear ratio by at least one convertible clutch by a speed change level.
According to a scheme of the present invention, in the printing machine of cascaded structure mode, each plate cylinder has been disposed a gear.This gear is between the driven wheel of main drive gear set that drives the cylinder that guides paper and corresponding plate cylinder.The gear ratio of gear is different with printing equipment.Plate cylinder travel(l)ing phase relative to each other when the gear in the main drive gear set rotates.Gear ratio is selected in this wise, promptly makes plate cylinder be arranged in the changing of printing plates position in main drive gear set under the situation of the least possible rotation.The number of turns of rotating need not integer and can be less than a whole circle.
In another program of the present invention, gear is arranged in the cylinder main drive gear set of rotating cylinder in other words of guiding paper.When the phase difference of adjacent plate cylinder in printing work equated, the gear ratio of these gears can selectedly get identical size.
If plate cylinder is in the changing of printing plates position, then gear is switched on the printing work.Then the connection control by driver motor makes plate cylinder jointly place rotation, can each derive or forme of tensioning on all plate cylinders thus.After changing forme, speed changing structure is reached by intermediate conversion again and rotates in this wise by main drive gear set, makes plate cylinder obtain a turned position that is suitable for printing work.Then gear is switched on the printing work again and will finishes a print job with new forme.
Advantageously, a gear is configured to planetary transmission.
Description of drawings
Below will describe the present invention by embodiment, accompanying drawing is represented:
Fig. 1: the offset press of a cascaded structure mode, have the plate cylinder that in press is on the phase place,
Fig. 2: the schematic diagram of the rotation phase of plate cylinder in press,
Fig. 3: have the schematic diagram of the offset press of the plate cylinder that is adjusted to same phase,
Fig. 4 .1-4.6: a changing of printing plates process flow general chart,
The form of implementation of the gear on Fig. 5-16: a printing equipment, and
Figure 17: have an embodiment of gear in the main drive gear set,
Figure 18: another embodiment of the setting of gear.
The specific embodiment
Fig. 1 represents an offset press with printing equipment 1-4 of four cascaded structure modes.Be provided with an automatic sheet feeder 5 in the front of printing equipment 1.Be provided with a paper receiver 6 in the back of printing equipment 4.When printing, paper 7 is told and is transported to by a workbench paper feeding cylinder 10 of printing equipment 1 from a continuous pile 8.Paper 7 transmits and will realize by an impression cylinder 11, a plurality of cylinder 12-14, impression cylinder 15, transfer roller 16, storage paper roll 17, upset cylinder 18, impression cylinder 19, a plurality of transfer roller 20-22, an impression cylinder 23 and an a plurality of transfer roller 24,25 through the continuation of printing machines.To be sent to collection heap 27 by a chain gripper system 26 from transfer roller 25 paper 7.The cylinder of all conveyance of sheets 7 rotating cylinder 10-25 in other words has paper-transferring tooth system, and they grasp the leading edge of paper and are coupled to each other in a main drive gear set.Each printing equipment 1-4 comprises a transfer platen 28-31 with blanket 32-35, and the paper 7 of the latter on when printing and impression cylinder 11,15,19,23 is in contact.Each printing equipment 1-4 comprises the plate cylinder 36-39 with the forme 40-43 that is tensioned in addition, and the latter is in blanket 32-35 in when printing and contacts.Transfer platen 28-31 can be by some device and impression cylinder 11,15,19,23 and plate cylinder 36-39 combined pressure and tripping.Plate cylinder 36-39 has the groove that some and pivot center extend abreast, is provided with the leading edge and the antemarginal clamping rail bar that are used for collecting printing plates 40-43 in groove.The groove of these plate cylinders 36-39 has different turned positions when printing, and these positions are indicated with arrow 44-47 symbol ground.On each printing equipment 1-4, fixing a forme input and output unit 48-51.
This printing machine is provided with a sheet turnover mechanism, prints on the two sides of paper 7 so that allow.Transfer roller 16, storage paper roll 17 and upset cylinder 18 are the part of turning device.This printing machine comprises a driver motor 52, and the latter is connected with the driven wheel of transfer roller 20 by a transmission device 53 and a pinion 54.
For at printing work and at changing of printing plates time control system printing machine, be provided with a control device 55.This control device 55 is connected with some synchrotransmitters (Drehgeber) 56-63, and their output signal has reflected the turned position of transfer platen 28-31 and plate cylinder 36-39.Another synchrotransmitter 64 provides the turned position of the driving shaft of driver motor 52.Control device 55 also imports with driver motor 52 and forme and output unit 48-51 is connected.In each printing equipment 1-4, at impression cylinder 11,15,19,23 and plate cylinder 36-39 between drive gear set in be provided with a gear 65-68 that can insert (zuschaltbar).Gear 65-68 also is connected to control device 55.Have some remote-controlled clutches in gear 65-68, these clutches cause the conversion of the gear ratio of gear 65-68 according to conditioning signal.
When using the label of having described in the following description, these labels will be referred to have the parts or the symbol of identical function or implication.
The rotation phase α 1 of the relative horizontal line 69 of plate cylinder 36-39 when Fig. 2 is illustrated in printing, α 2, and β 1, and β 2.Between the plate cylinder 36,37 of the printing equipment 1,2 of turning device front, has a phase difference γ=α 1-α 2.Turning device can be transformed into printed on both sides from the printing on the single face of paper 7.According to the length of paper 7, the printing equipment 3,4 of printing equipment 1, the 2 relative turning device back of turning device front is regulated has a phase difference δ.Therefore on face only, obtain a rotation phase β 1 during printing for printing equipment 3, and β 1=α 2+ γ is arranged.Printing and when connecting the upset operation on a paper 7 two-sided, printing equipment 3 has rotation phase β 1=α 2+ γ+δ.Between printing equipment 3,4, also has a phase difference γ.
For change forme 40-43 simultaneously in all printing equipment 1-4, plate cylinder 36-39 is adjusted to identical rotation phase, and this at length is illustrated among Fig. 3.If offset press is adjusted to printed on both sides when a print job is finished, the gear train rotating certain angle of the essential upset relatively of gear train cylinder 18 back of cylinder 18 fronts of then when homophase is regulated (Inphasestellen), overturning.This angle is relevant with the length of paper 7.To change the position, plate cylinder 36-39 angle respect to one another in the printing equipment 1,2 or 3,4 of upset cylinder 18 fronts or back by this rotation.
Can provide multiple choices for changing forme simultaneously by gear 65-68.Gear 65-68 is decided parameter like this, makes permission carry out changing of printing plates on the working method or on the plate cylinder rotation phase simultaneously, the printer will be on this working method or the plate cylinder rotation phase print its a plurality of tasks.If plate cylinder 36-39 is on the actual rotation phase place with described phase deviation, then in one first scheme, the printer places on the given rotation phase printing machine before each changing of printing plates, and gear 65-68 is positioned on this rotation phase.
According to alternative plan, changing of printing plates can be realized in two steps.In first step by gear 65-68 only make respectively the upset cylinder 18 the printing equipment 1-4 front or the back in plate cylinder 36-39 place rotation phase mutually.In second step at first to the printing equipment 1,2 of upset cylinder 18 fronts carry out simultaneously changing of printing plates and then in paper is advanced the printing equipment 3,4 to upset cylinder 18 back carry out changing of printing plates simultaneously.
According to third party's case, gear 65-68 can be constituted in this wise in addition, makes that they can adaptive actual rotation phase place.Gear 65-68 can be equipped with a plurality of speed change levels for this reason, can select between these speed change levels.Or use gear 65-68 with infinitely variable gear ratio.
Change when describing forme by three plate cylinder 70-72 by Fig. 4 .1-4.6 with demonstrating.Shown in Fig. 4 .1, plate cylinder 70-72 is driven by a driver motor 73.Torque flow is delivered on the driven wheel of corresponding plate cylinder 70-72 by a transmission device 74, a main drive gear set 75 and secondary drive gear set 76-78 by driver motor 73.Printing machine will stop after a print job is finished, and wherein plate cylinder 70-72 occupies the turned position by arrow 79-81 indication.Transfer platen and be used for wetting agent and printing-ink water/ink roller and plate cylinder 70-72 tripping.
In order to import changing of printing plates, main drive gear set 75 and the torque flow between the plate cylinder 71,72 are separated.Secondary drive gear set 76 still keeps and works, and is to represent in detail in Fig. 4 .2.In next step, between main drive gear set 75 and plate cylinder 71,72, form torque flow by gear 82,83.Have different gear ratio ix, iy at the gear 82,83 shown in Fig. 4 .3.As shown in Fig. 4 .4, make plate cylinder 71,72 place rotation by driver motor 73.On all plate cylinder 70-72 are positioned at according to one of Fig. 4 .5 common turned position after printing machine rotates a circle.Torque flow through gear 82,83 in another step is interrupted and sets up again by secondary drive gear set 77,78.Plate cylinder 70-72 is synchronously driven then, and up to reaching a turned position, the back edge of forme can be released on this turned position.This state is indicated among Fig. 4 .6.In order to unclamp back edge, the clamping rail bar that is arranged in the groove of plate cylinder 70-72 is opened.By make the synchronous rotation of plate cylinder 70-72 by driver motor 73, forme is derived printing equipment previously with described back edge.When the leading edge of forme had reached the released position, the clamping rail bar of leading edge was opened, and respectively old forme is derived and a new forme is inserted.New forme will be clamped on leading edge in the corresponding clamping rail bar.Make the transfer platen combined pressure then to plate cylinder 70-72.New forme is tensioned during another rotation synchronously of plate cylinder 70-72.The hold-down roller combined pressure of the combined pressure of transfer platen or conversion makes that new forme is pressed on the outer surface of plate cylinder 70-72.After this import corresponding the clamping in the rail bar and by compressing the back edge of rolling with its clamping with forme.Then make transfer platen again with plate cylinder 70-72 tripping and replace secondary drive gear set 77,78 ground to connect gear 82,83.When plate cylinder 70-72 was rotated, plate cylinder 70-72 was placed in again in the turned position that needs for the printshop.Gear 82,83 is turn-offed reach, can finish print job then thus by secondary drive gear set 77,78 connection torque flow.
Fig. 5-16 demonstration ground expression is according to gear 65-68 on the printing equipment 1 of Fig. 1 or 82,83 form of implementation.
Some axle journal 86-95 of roller 84,85 usefulness of impression cylinder 11, transfer platen 28, plate cylinder 36 and the wetting mechanism and the inking device are bearing in the sidewall 96,97 of printing equipment 1 in according to the form of implementation of Fig. 5.At axle journal 87,89, do not have on 93,95 and supporting some gear 98-101 with relatively rotating.Some gears 102,103 at axle journal 91 upper supports, they can connect with axle journal 91 by remote-controlled clutch 104,105.Gear 102 is sun gears of a planetary transmission, and the planetary gear 106,107 of this planetary transmission is rotatably supported on the axle journal 108,109.110 engagements of 103 and gears of bidentate wheel, the latter is arranged on the axle journal 112 that is bearing in the asessory shaft in the sidewall 97 with a gear 111 nothings with relatively rotating.Bidentate wheel 103 connects with another asessory shaft by a bell member 113, does not have to have cooperated a gear 115 this gear and gear 99 engagements on the axle journal of this asessory shaft with relatively rotating.
If clutch 104 is opened and clutch 105 closures, then plate cylinder 36 as not being driven with having gear ratio in the printing work.Gear 98 belongs to main drive gear set and obtains torque by driver motor 52.Gear 99,115,103 constitute a secondary drive gear set.If clutch 104 closures and clutch 105 are opened, the planetary transmission that then has planetary gear 106,107 and sun gear 102 works, so that the rotating speed of plate cylinder 36 relative gears 115 is driven with a reverse gear ratio by sun gear 102.
Gear 65-68 or 82,83 form of implementation are not limited in the use of planetary transmission.Also can use circulating drive transmission (Cyelo-Drive-Getriebe) or harmonic wave formula drive transmission (Harmonic-Drive-Getriebe) in addition.
In the scheme according to Fig. 6, gear 116 on the use axle journal 112 and the gear 117 on the axle journal 91 replace the planetary transmission among Fig. 5.When clutch 104 closures and clutch 105 were opened, plate cylinder 36 will be driven with a gear ratio.Torque flow is transmitted by gear 98,99,115,103,110,116,117, and wherein plate cylinder 36 is driven with a reverse gear ratio.
Basically corresponding to the scheme among Fig. 6, wherein clutch 104 works between the wheel hub of gear 116 and axle journal 112 and gear 117 does not have and is connected with axle journal 91 with relatively rotating according to the scheme of Fig. 7.
Fig. 8 representation class is similar to the embodiment of Fig. 6, wherein realizes by a gear 117 that can move on axle journal 91 at the axle-hub clutch 104 on the gear 117.
Basically corresponding to the embodiment among Fig. 7, the axle on its middle gear 116-hub clutch 104 is realized by a gear 116 that can move on axle journal 112 according to the embodiment of Fig. 9.
In the scheme according to Figure 10, idler gear 118 nothings are arranged on the axle journal 89 of transfer platen 28 with relatively rotating.Two axles of this external application-hub clutch 104,105 work are as described to Fig. 6.
According to Figure 11, the axle among Figure 10-hub clutch 104 is set on the axle journal 89 of transfer platen 28.Gear 117 nothings are engaged on the axle journal 91 with relatively rotating, and gear 118 can be connected with axle journal 89 by clutch 104.
Basically corresponding to the scheme among Figure 10, wherein clutch 104,105 is engaged on the axle journal 114 and gear 115,117 selectively is connected with axle journal 114 according to the scheme of Figure 12.
According to Figure 13, gear 115 and 118 can link by clutch 104,105 and axle journal 114,89.Gear 118 and gear 117 engagements, the latter is engaged on the axle journal 114 regularly.
Represent among Figure 14 that another has the scheme of a planetary transmission on axle journal 114.Planetary gear 106,107 is rotatably supported on the axle journal 119,120, and wherein axle journal 119,120 is fixed on the midfeather 121.Sun gear 102 and bidentate wheel 103 can be connected with axle journal 114 by clutch 104,105.Gear 99 engagements on the axle journal 89 of bidentate wheel 103 and transfer platen 28.
According to Figure 15, a planetary transmission is used as conversion driving unit, it with Figure 14 in different be the axle journal 89 that is configured to transfer platen 28.Also have a bidentate wheel 103 on axle journal 89 except that driven wheel 99, the latter can connect driven wheel 115 engagements that reach with plate cylinder 36 by a clutch 104 with axle journal 89.
The axle journal 89 that Figure 16 is illustrated in transfer platen 28 is provided with another program of a planetary transmission.With among Figure 15 differently, driven wheel 98 engagements of bidentate wheel 103 and impression cylinder 11.Torque is delivered to plate cylinder 38 by transfer platen 28 by gear 99,115.
In the scheme according to Figure 17, planetary transmission is set on the axle journal 87 of impression cylinder 11.Gear 98 is in the adjacent gear of main drive gear set and is connected.Sun gear 102 and bidentate wheel 103 can be connected with axle journal 87 by clutch 104,105.
In the embodiment according to Figure 18, gear 122,123 is not set among the secondary drive gear set 76-78, but is set between the gear of the cylinder of delivery paper 7 in the main drive gear set 75.Advantageously, when two the phase difference γ between in succession the printing equipment 1-4 equates each other, can use gear 122,123 with identical gear ratio.According to Figure 17, gear 122,123 respectively is set in the main drive gear set 75 between two printing equipments.Gear ratio between two adjacent printing equipments also works to the printing equipment of postposition.Gear ratio is handed on.
The reference number table
The 1-4 printing equipment
5 automatic sheet feeders
6 collection devices
7 paper
8 continuous piles
9 workbench
10 paper feeding cylinders
11 impression cylinders
The 12-14 transfer roller
15 impression cylinders
16 transfer rollers
17 storage paper rolls
18 upset cylinders
19 impression cylinders
The 20-22 transfer roller
23 impression cylinders
24,25 transfer rollers
26 chain gripper system
27 collections heap
The 28-31 transfer platen
The 32-35 blanket
The 36-39 plate cylinder
The 40-43 forme
The 44-47 arrow
Input of 48-51 forme and output unit
52 driver motors
53 transmission devices
54 pinions
55 control device
The 56-64 synchrotransmitter
The 65-68 gear
69 horizontal lines
The 70-72 plate cylinder
73 driver motors
74 transmission devices
75 main drive gear set
The secondary drive gear set of 76-78
The 79-81 arrow
82,83 gears
84,85 rollers
The 86-95 axle journal
95,97 sidewalls
The 98-102 gear
103 bidentates wheel
104,105 arrangement of clutch
106,107 planetary gears
108,109 axle journals
110,111 gears
112 axle journals
113 parts
114 axle journals
115 gears
116 idler gears
117,118 gears
119,120 axle journals
121 midfeathers
122,123 gears
Claims (5)
1. the drive unit that is used for offset press has a gear train (75) and at least one motor (52; 73), be used for during printing, synchronously driving the cylinder of a plurality of printing equipments (1-4), wherein plate cylinder (the 36-39 of adjacent printing equipment; 70-72) has the phase place that differs from one another; Gear (65-68 with at least one convertible gear ratio; 82,83; 122,123), be used for the running drive cylinder outside a printing, it is characterized in that: described gear (65-68; 82,83; 122,123) have and the corresponding gear ratio of current phase place, wherein, these plate cylinders (36-39 when co-rotation; 70-72) can be adjusted on the identical phase place.
2. according to the drive unit of claim 1, it is characterized in that: in the offset press of cascaded structure mode, gear (65-68) respectively is set at a driven wheel (102 of a gear train (75) and a plate cylinder (36-39), 103,115,117) between, these gear ratio of wherein said gear (65-68) and current phase place correspondingly differ from one another.
3. according to the drive unit of claim 1, it is characterized in that: described gear (65-68; 82,83; 122,123) has an adjustable gear ratio.
4. according to the drive unit of claim 1, it is characterized in that: in the sheet-fed offset printing machine of cascaded structure form, wherein the phase difference between the plate cylinder (70-72) of two printing equipments (1-4) always equates, these gears (122,123) be set at respectively in the gear train (75) of the cylinder of delivery paper (7) between two printing equipments (1-4), wherein the gear ratio of these gears (122,123) equates.
5. according to the drive unit of claim 1, it is characterized in that: a gear (65-68; 82,83; 122,123) be configured to planetary transmission.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005040974 | 2005-08-30 | ||
| DE102005040974.1 | 2005-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1923510A CN1923510A (en) | 2007-03-07 |
| CN1923510B true CN1923510B (en) | 2011-03-16 |
Family
ID=37816419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101288346A Expired - Fee Related CN1923510B (en) | 2005-08-30 | 2006-08-30 | Offset printing machine driving device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007062375A (en) |
| CN (1) | CN1923510B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009018476A1 (en) * | 2008-05-15 | 2009-11-19 | Heidelberger Druckmaschinen Ag | Phase-correct engagement of different rotating cylinders |
| JP6116224B2 (en) * | 2012-02-16 | 2017-04-19 | リョービＭｈｉグラフィックテクノロジー株式会社 | Plate cylinder phase switching device for printing press |
| DE102015209521A1 (en) * | 2014-06-20 | 2015-12-24 | Heidelberger Druckmaschinen Ag | Offset printing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19640649A1 (en) * | 1996-10-02 | 1998-04-16 | Roland Man Druckmasch | Drive for a sheet printing machine |
| CN1283551A (en) * | 1999-07-19 | 2001-02-14 | 利优比株式会社 | Offset press with power transmission and cutting-off mechanism |
| DE10234830A1 (en) * | 2001-08-29 | 2003-03-20 | Heidelberger Druckmasch Ag | Sheet-fed rotary printing press has gear train which drives each form cylinder and corresponding transfer cylinder, through switchable speed-change gear mechanism |
| DE10222002A1 (en) * | 2002-05-17 | 2003-12-04 | Koenig & Bauer Ag | Method and device for changing printing plates |
| DE10348030A1 (en) * | 2002-11-08 | 2004-05-27 | Heidelberger Druckmaschinen Ag | Drive for an offset printing machine comprises an element delivering an additional moment assigned to the form cylinder during imaging operation |
| DE10304495A1 (en) * | 2003-02-05 | 2004-08-19 | Koenig & Bauer Ag | Method for synchronising individual electric drives of cylinders in rotary printers involves coupling the swivel movement of second cylinder to rotation of a rotary angle |
-
2006
- 2006-08-28 JP JP2006231119A patent/JP2007062375A/en active Pending
- 2006-08-30 CN CN2006101288346A patent/CN1923510B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19640649A1 (en) * | 1996-10-02 | 1998-04-16 | Roland Man Druckmasch | Drive for a sheet printing machine |
| CN1283551A (en) * | 1999-07-19 | 2001-02-14 | 利优比株式会社 | Offset press with power transmission and cutting-off mechanism |
| DE10234830A1 (en) * | 2001-08-29 | 2003-03-20 | Heidelberger Druckmasch Ag | Sheet-fed rotary printing press has gear train which drives each form cylinder and corresponding transfer cylinder, through switchable speed-change gear mechanism |
| DE10222002A1 (en) * | 2002-05-17 | 2003-12-04 | Koenig & Bauer Ag | Method and device for changing printing plates |
| DE10348030A1 (en) * | 2002-11-08 | 2004-05-27 | Heidelberger Druckmaschinen Ag | Drive for an offset printing machine comprises an element delivering an additional moment assigned to the form cylinder during imaging operation |
| DE10304495A1 (en) * | 2003-02-05 | 2004-08-19 | Koenig & Bauer Ag | Method for synchronising individual electric drives of cylinders in rotary printers involves coupling the swivel movement of second cylinder to rotation of a rotary angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1923510A (en) | 2007-03-07 |
| JP2007062375A (en) | 2007-03-15 |
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