EP1369368A1 - Rotationskörper für eine Kompensation des Fanout - Google Patents
Rotationskörper für eine Kompensation des Fanout Download PDFInfo
- Publication number
- EP1369368A1 EP1369368A1 EP03405399A EP03405399A EP1369368A1 EP 1369368 A1 EP1369368 A1 EP 1369368A1 EP 03405399 A EP03405399 A EP 03405399A EP 03405399 A EP03405399 A EP 03405399A EP 1369368 A1 EP1369368 A1 EP 1369368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary body
- axis
- sections
- body according
- rotation
- 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
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- 238000007639 printing Methods 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
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- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
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Images
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
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
- B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/13—Details of longitudinal profile
- B65H2404/131—Details of longitudinal profile shape
- B65H2404/1311—Undulations, wavy shape
Definitions
- the invention relates to a rotary body which in a printing machine of Compensation of the Fanout serves or, outside the printing press, for installation is provided for the purpose of fanout compensation.
- the press is a machine that prints wet, preferably using a Dampening solution. Offset printing should be mentioned here as an example.
- the printing press may be a newspaper printing press for the printing of be big newspaper editions.
- the web is preferably endless through the machine guided and unwound from a roll, i. the printing press is in such Execution of a web-fed printing press and more preferably one Fed rotary printing press.
- the width of the web is the width change, due to the Fanout is expected to be adjusted in advance, i. compensated. Since that's up the extent of latitude change due to fanout from production to production Production and even within a production due to a paper change can change the paper grades, EP 1 101 721 A1 describes under also adjustable fanout compensators with which the amplitude of the embossed waveform of the web can be selectively changed. An increase in the Amplitude causes a decrease in the width of the web.
- adjustable fanout compensators are ever made by several, along one Rotary axis of the respective compensator alternately arranged side by side Bodies are formed, which correspond to the desired waveform of the web radially forming projecting head portions and receding foot portions which are relative are adjustable to each other to the extent of the projecting and standing behind the Sections in adaptation to the extent of attributable to the fanout To adjust the width change.
- the well-known, well-known Devices complex and therefore cause comparatively high Acquisition cost .
- EP 1 101 721 A1 also a fanout compensator is described, which as a rotating body is formed in one piece.
- This comparatively simple Compensator has already proven itself in practice. Adaptation to changing Production conditions are with such a compensator but only by Provision of several different bodies of revolution possible, which in the Printing machine stored for example in a removable frame and by a Adjusting movement of the removable frame either in the print production or from the Print production can be taken.
- the invention relates to a rotary body, which is suitable for compensation of the fanout in a printing machine provided or already installed in the machine to one to embracing the printing web around the rotating body.
- the wrap angle should be at least 3 °.
- Of the Wrap angle can be up to 180 °.
- the body of revolution is for one Wheellagerung provided about an axis of rotation, extending through the rotary body extends. It forms along the axis of rotation next to each other alternately head sections and Foot sections.
- the surface sections formed by the head and foot sections form the mantle surface of the rotating body.
- the head sections are above the Foot sections radially to the axis of rotation by height differences.
- the wave contour obtained may in principle contain cracks, it is preferable but steadily. Particularly preferably, it is continuously differentiable in the axial direction and curved, as well as this by the production methods available in practice for a economic price is feasible. If curved sections with curvatures, the are different, or arc sections collide with straight axial sections, the wave contour can have kinks. Such kinks should be obtuse or even better worked around.
- the head and foot sections are relative to each other around the Rotational axis not rotatable by either joined together and torsionally rigid with each other are connected or formed by the rotary body in one piece.
- rotary bodies with wave profile are basically from EP 1 101 721 A1 known.
- the invention carries the feature of torsionally stiff connection or, more preferably, the one-piece with the advantage of adjustability together by the existing between the head portions and the foot sections radial Height differences of minimum values, which they parallel along one axis of rotation have staggered first straight line, in the circumferential direction about the axis of rotation up to Maximum values increase.
- the height differences in Circumferential direction monotone.
- the maximum values show the height differences a parallel to the rotation axis offset second straight line.
- the first straight line and the second straight lines are preferably tangents to all head sections, if namely all head sections have the same radial height with respect to the axis of rotation. Is this not the case, the two straight lines are the furthest at the tangents projecting head portion or the group of the most protruding Head sections.
- a rotary motion is sufficient the uniform rotation axis for the entire body of revolution.
- the height differences take their maximum values along a single straight line. In principle, however, it is possible that the maximum values not just along one straight line, but one over a certain arc length assumed to be around the axis of rotation. This can basically also apply to the minimum values.
- the rotary body according to the invention is easy to install in the printing press and can in the same way as other rotation body of the printing press, for example Deflection rollers, be rotatably mounted.
- An assembly of relative to each other adjustable parts, as in the known adjustable fanout compensators, is not mandatory.
- a fanout compensator is advantageous to the formation of some a few integral rotating bodies, for example two rotating bodies, along their common axis of rotation are arranged side by side.
- Opposite one Rotation body of torsionally rigid joined individual bodies, each one Head section or foot section and also still subject of the invention are the assembly of optionally two or three rotating bodies with Wavy profile much easier.
- the radial height differences by which the head sections project beyond the foot sections, grow circumferentially from their minimum values, preferably both Turning monotonously on. More preferably, they grow steadily in both directions of rotation. It is best if they are continuous in both directions continuously grow, which mathematically means that the applied over the rotation angle Radial height differences per ever differentiable functions of the rotation angle. Particularly preferably, the height differences grow linearly or at least approximately linear with the angle of rotation.
- Preferred embodiments correspond to those formed by the head sections
- Surface sections each have the same shape.
- the foot sections is the Equality of the shape of their surfaces preferred.
- the surfaces of the head sections and / or the surfaces of the foot sections should be in each cross section along the Rotary axis forming circles. Others, round in the circumferential direction around the axis of rotation everywhere However, surfaces are also advantageous. Should be in the circumferential direction to the Rotary axis caused by a method of manufacturing kinks occur, so should the at the kinks colliding, round elbows as possible obtuse angles, which should be at least 120 °, abut each other.
- a fanout compensator placed in a suitable location on the path of the railway between two pressure nips comprising the rotary body according to the invention, a Drehlagerung, in which the rotary body is rotatably mounted about its axis of rotation, and a controller or controller having an actuator for generating a Adjusting rotational movement of the rotating body about its axis of rotation.
- the VerstellFErise is a rotary movement, through which the body of revolution from a first angular position in which the web is symmetrical with respect to the body of revolution wraps around on a first wave contour to its axis of rotation in another, second Rotationwinkelpösition is twisted, in which the web the body of revolution symmetrically in Wrapped around a differently shaped, second wave contour.
- One of the Wave contours can be a straight line, if that is the minimum height differences Are "zero".
- the rotary body on fluid channels which at its Surface form a variety of estuaries.
- the fluid channels serve in one Particularly advantageous method of fanout compensation to the surface of To apply rotational body with fluid.
- the fluid is preferably under pressure standing gas and can be in particular compressed air.
- the fluid forms in the of the Web looped area between the surface of the rotating body and the facing bottom of the web a fluid gap, a kind of fluid cushion.
- the fluid gap prevents adhering, not yet dried paint on the underside of the web
- the rotational body can be transmitted, which could cause interference. Furthermore, the friction is reduced.
- the fluid channels may be formed as bores and extending from their mouths on the surface through the body of revolution radially inward to one or optionally extend a plurality of cavities through which or they with a Fluid source are connected.
- Such bores can be straight and be formed unbranched.
- Each of the fluid channels may be separate from each of the other fluid channels and each form a single point of confluence.
- the fluid channels or a part of the fluid channels can However, branch out also to the outer surface and there are several Forming mouth points. It can also cross connections between the fluid channels consist. So it corresponds to a likewise preferred embodiment, the Total rotational body or in the case of training as a hollow body at least its the fluid channels forming ring portion with a for the fluid line to provide sufficient porosity.
- the porosity is preferably an open one Porosity, so that the pores formed by the material form the fluid channels.
- the original molding is suitable by molding a powder, preferably a metal powder, with subsequent or simultaneous sintering of the compact. It can in the same body of revolution also formed on both types of fluid channels occur together, i. it can be in the same body of revolution both pore channels as well as subsequently incorporated fluid channels may be present.
- the mouth points of the fluid channels can over the surface of the rotating body be arranged distributed uniformly in the axial direction and in the circumferential direction.
- the density of the points of discharge per unit area of the surface can be at preferably uniform distribution in the circumferential direction in the axial direction periodically vary with the period of the head and foot sections. So can the Areal density of the estuaries in the formed by the head sections Surface sections are denser than in the formed by the foot sections Surface sections to axial flows from the head sections in the Compensate for foot sections.
- the body of revolution can in the way of the Urformung in one piece in the inventive shape or in several pieces, the torsionally rigid with each other are connected, be formed, for example, by the already mentioned molding and sintering a powdery raw material.
- the starting material is preferably a powder of a metal or a metallic alloy, but may instead be a plastic powder or granules. If the rotation body a Plastic body is, it makes sense, this rotary body as an injection molded body in To form injection molding, so that it is obtained as an injection molded body.
- a rotational body that is rotationally symmetric with respect to a single SymmetrielCodesachse is.
- output body may have a regular waveform with Foot sections, each forming the same surface sections, and with head sections, each also form the same surface sections.
- the inventive Rotation body is removed from the starting body by a materialaboscopicde Processing with a tool received.
- the tool can be Milling head, a line roughing, grinding and polishing tool or preferably be a spin.
- machining axis It can the tool around the resting starting body or it can both the Starting body and the tool rotated about the machining axis relative to each other become.
- the output body around the machining axis for the material-removing machining to be rotationally driven while the tool no rotational movement relative to a frame of a machine tool in which the Output body is clamped executes.
- the radial distance between the tool and the Machining axis reduced. This is preferably done by the tool is moved radially straight to the machining axis.
- Fig. 1 shows a four-high tower with four printing units.
- the four printing units are in the Pressure tower arranged one above the other to two H-bridges.
- Each of the printing works includes two blanket cylinders and two plate cylinders, i. one plate cylinder each for one the blanket cylinder.
- the blanket cylinders form between them pressure column 1 to 4, through which a web W is conveyed and from the pressing blanket cylinders printed on both sides.
- a Infeed roller Before the first printing unit in the conveying direction is a Infeed roller and behind the last printing unit in the conveying direction is an outlet roller arranged in a known manner, which may be formed as draw rollers to a to set certain web tension.
- the web W is printed in wet offset. In this case, the web W absorbs moisture and swells. Without corrective measures, the web width measured transversely to the conveying direction of the web W would increase from printing nip to printing nip, and the printed images printed consecutively in the printing nips 1 to 4 in the transverse direction of the web would not match one another, ie register errors would result in the transverse direction. This phenomenon is known as "fan-out". The increase in width would be greatest between the two H-bridges, ie between the pressure gaps 2 and 3, since the distance from gap to gap is longer there than between two pressure gaps of a bridge.
- the fanout compensator comprises a rotating body 6, which also serves as a deflection roller can be used.
- the rotary body 6 is immediately in front of the printing nip third arranged and fulfilled in this arrangement at the same time the function of Straight guide for the web W, so that the web W without looping in the pressure nip 3 enters.
- Fig. 1 an alternative printing position is indicated, in which the web W only passed through the two lower pressure gaps 1 and 2, while another web W 'guided over the rotary body 6 and after deflection in the next Pressure gap 3 just starts.
- the rotary body 6 is cylindrical, but unlike a simple, smooth roller on a longitudinally corrugated surface. Wrap around and Web tension ensure that the web conforms to the surface wave pattern deformed the rotational body 6 and thereby the web width is reduced.
- For the Looping of the rotating body 6 provides a guide roller 5, over which the web W at an angle to the straight connecting line between the rotating body 6 and the next following pressure nip 3 is guided to the rotary body 6.
- additional deflection are not required.
- FIGS. 2 and 3 the rotary body 6 is each in the same cross section, but in FIG represented two extreme rotational angle positions.
- Fig. 4 shows the rotary body in a longitudinal view and partly in longitudinal section.
- the rotary body 6 is rotatable about a longitudinal axis D in a frame of Printing press stored.
- the longitudinal axis D is therefore in the following as the axis of rotation designated.
- the rotary body 6 is in one piece in a process of Urformung or forming formed and finished on the surface, preferably only evenly smoothed.
- the rotation body 6 is in relation to the rotation axis D. not rotationally symmetric.
- the surface of the rotary body 6 forms a straight line T 1 parallel to the axis of rotation D for a single value of a rotational angle running about the axis of rotation D. In all other angles of rotation, the surface has a waveform with a regularly rounded, sinusoidal wave contour in the axial direction.
- the axial sections of the rotary body 6, which form the wave troughs, are referred to below as foot sections 7 and the axial sections which form the wave crests are referred to below as head sections 8.
- the radial height difference H D of the wave contour in circumferential direction about the axis of rotation D increases continuously in both directions of rotation up to a second straight line T 2 .
- the straight lines T 1 and T 2 are diametrically opposite each other with respect to the rotation axis D, ie, the straight lines T 1 and T 2 extend in a plane with the rotation axis D.
- the radial height difference H D is the amplitude of the wave contour.
- the radial height differences H D are 4 mm. These maximum height differences, which are the same in the embodiment, should be at least 2 and not more than 10 mm.
- the straight lines T 1 and T 2 are tangents to the head sections 8, ie they touch the head sections 8 just in their vertices. They come from a head enveloping sections 8 enveloping, straight envelope cylinder. If the tangent T 1 is displaced in parallel on the surface of the enveloping cylinder, the height difference H D , which is measured radially on the axis of rotation D between the vertices of the foot sections 7 and the crests of the head sections 8, increases continuously until the tangent T 2 is reached.
- FIGS. 2 to 4 Also drawn in FIGS. 2 to 4 is a circular cylinder jacket surface N, behind the foot sections 7 protrude radially and over which the head sections 8 radially protrude.
- the cylindrical surface N divides the surface profile in each longitudinal section in the Foot sections 7 and the head sections 8.
- the foot sections 7 form surface sections 9, and the head sections 8 form Surface sections 10.
- the surface sections 9 and 10 are in the axial direction and rounded in the circumferential direction, preferably continuously curved everywhere. they run in the cylinder surface N tangentially into each other, so that in the axial direction everywhere uniform waveform with continuous, i. continuously differentiable transitions between the surface portions 9 and 10 is obtained.
- the surface of the rotating body 6 forms a circle throughout the axis of rotation D in cross section.
- the circle radius in the vertices of the foot portions 7 with r 3 and in the vertices of the head portions 8 with r 4 is designated.
- the central axes of these vertex circles, designated L 7 and L 8 are eccentric with respect to the axis of rotation D, each with the eccentricity " e".
- the center axes L 7 and L 8 extend in the same plane as the rotation axis D.
- the arcs formed by the surface portions 8 are the same length as the arcs formed by the surface portions 10. These arcs of the surface sections 8 and 9 are particularly preferably the same if the arcs of the surface sections 8 are folded onto the side of the respective straight line of the cylindrical surface N on which the arcs of the surface sections 10 run. This is the case in the exemplary embodiment.
- the tangent T 1 along which the radial height difference H D has the value " 0", extends in the neutral cylinder jacket surface N.
- a mean web path does not change when the rotary body 6 makes a rotational adjustment movement about the stationary rotation axis D, for example from the rotational angular position of minimum ripple shown in FIG. 2 into the rotational angular position of maximum ripple shown in FIG.
- the middle path of the web W runs in each rotational angular position of the rotating body 6 on the neutral cylindrical surface N, which is for this reason referred to as "neutral".
- the rotary body 6 is a hollow body with a along its entire length extending, central, circular cylindrical bore 11. Extending through the bore a non-rotatably mounted on the machine frame hollow shaft 12. Der Rotary body 6 is rotatably mounted on the hollow shaft 12 about the rotation axis D.
- the fixed support of the hollow shaft 12 is designated in Fig. 4 with 16.
- the Adjusting rotational movement of the rotating body 6 relative to the hollow shaft 12 is motor causes by means of an electric motor 17, the over a declining Gear transmission 18 rotatably drives the rotating body 6.
- the motor 17 is the actuator a controller 19, the actuator 17 for the adjustment of the rotary body. 6 controls, for example, as described in EP 1 101 721 A1, in this respect in Reference is made.
- the rotary body 6 is used only for the purpose of adjustment, i. to change its acting on the web W surface contour, rosver Robinson. By the way, he will locked in the current print production via the gear 18 of the actuator 17.
- a central, axial bore 13 is continuously formed, the to serves to supply the rotary body 6 compressed air.
- the hollow axle has a Longitudinal opening 14.
- the rotary body 6 is provided with fluid channels 15, which are extend radially through the annular shell of the rotating body 6.
- Each of the fluid channels 15 is formed as a straight through hole, extending into the bore of the 11th formed inner cavity and on the outer surface of the shell Rotating body 6, i. on its surface, opens.
- the fluid channels 15 are in Circumferentially distributed around the rotation axis D of the rotating body 6 arranged. You can, for example, with the help of a laser in the ring of the Rotary body 6 are incorporated.
- the fluid channels 15 are also along the Rotary axis D arranged evenly distributed.
- the fluid channels 15 are connected via the hollow shaft 12 with a compressed air source.
- the Compressed air is introduced into the bore 13 of the hollow shaft 12 and passes over the Longitudinal opening 14 in the bore 11 and the fluid channels 15.
- the longitudinal opening 14th extends over a length sufficient, the fluid channels 15 over the entire axial Supply the length of the wave contour evenly with the compressed air.
- the longitudinal opening 14 is widened from the bore 13 to the outer shell surface of the hollow shaft 12 and covers in the circumferential direction more of the fluid channels 15. It opens and spreads towards the bottom of the looping web W.
- the compressed air thus passes through the bore 13 and the longitudinal opening 14 directly radially under the fluid channels 15, which are covered by the web W.
- a between the hollow shaft 12 and the Shell inner surface of the rotating body 6 formed annular gap preferably forms a Sealing gap to keep compressed air leakage as low as possible.
- Fig. 2 are due to the selected cross-sectional plane fluid channels 15 only in the Foot section 7 drawn the relevant cross section. Of course they are Fluid channels 15 in particular formed in the head portions 8, as shown in the Cross-section through the apex of a head portion 8 in Fig. 5 can be seen.
- FIGS. 7 to 14 each show a rotary body 6 after a second one Embodiment, by machining from a about its longitudinal axis rotationally symmetrical output body 6 ', Figure 6 shows, was obtained.
- the Figures 7 to 14 each show a view of an end face of this rotating body 6 and a view on its long side.
- the figures show the Rotation body 6 in a sequence of rotational angular positions, in which the rotating body 6 each in a step of 30 ° from the first position shown in FIG. 7 to those in FIG. 14 shown position is rotated by 180 °.
- FIGS. 10 and 11 the angular position is shown but the same.
- Fig. 6 shows a rotationally symmetrical with respect to the axis of rotation D output body 6 ', from which the adjustable rotary body 6 of Figures 7 to 14 was made.
- Starting body 6 ' has the same axis along its axis of symmetry S, regular wave contour on its surface. He can, for example, by Compression molding and sintering are obtained. Likewise, he can from a circular cylindrical Casting can be obtained by a material-removing machining.
- the output body 6 ' can be obtained in that the previously smooth cylinder casting with its axis of symmetry S as the axis of rotation in one Lathe clamped and a Drehmeisel the machine along one of the Shaft contour corresponding template is moved axially and thereby the Waveform forms.
- the output body 6 'thus obtained is rotatably clamped in a subsequent operation about a parallel to the axis of symmetry S processing axis B rotatably.
- the axis of symmetry S is the central axis L 7 through the vertex circles of the foot sections 7, and the machining axis B is the central axis L 8 through the vertex circles of the head sections 8.
- the machining axis B therefore has the eccentricity " 2e" with respect to the axis of symmetry S of the starting body 6 '.
- the output body 6 ' is driven in rotation about the machining axis B.
- the Drehmeisel along the machining axis B is axially straight and moved radially to the machining axis B, so that after introduction of the bore 11 of the asymmetrical, adjustable rotary body 6 is obtained.
- Figure 6 is for the output body 6 'by way of example the division of its wave contour specified.
- the pitch is the distance between two measured in the axial direction adjacent vertices of the head portions 8 - and also the axial Distance between two adjacent vertices of the foot sections 7. This distance or the division amounts to a quarter of the measured in the axial direction Width of a printing plate used in current print production.
- the division of Wave contour of the rotating body 6, which was obtained from the starting body 6 ', is therefore also a quarter of the printing form width.
- the rotational body 6 of the second exemplary embodiment has a wave contour that is uniformly uniform in the axial direction only along a single straight line along which the radial height differences H D have their maximum values.
- the wave contour with the maximum values of the radial height differences H D can be seen in the longitudinal views of FIGS. 7 and 14. Diametrically opposite creates a single, exact line on which consequently the minimum values of the radial height differences H D are again "zero". Over the circumference between these two straight lines, the wave contours in the axial direction in the apex regions of the head sections 8 have straight plateaus, as can be seen from FIGS. 8 to 13.
- the two inner circles drawn in the end views of FIGS. 7 to 14 are, on the one hand, the vertex circle of the foot sections 7 and, on the other hand, the vertex circle of the head sections 8. All cross sections which lie in the axial direction between the vertex circles of the foot sections 7 and the vertex circles of the head sections 8, deviate from the circular shape according to the manufacturing process.
- the transitions between the straight plateaus of the head portions 8 and the round, convex foot portions 7 are preferably circular in the circumferential direction and in the axial direction by surface finishing, for example by grinding and polishing.
- the fluid channels 15 can only be incorporated into the asymmetric rotary body 6 have been. You can also after receipt of the starting body 6 'in this or, alternatively, they may already be incorporated into the straight cylindrical, smooth cast body may have been incorporated, if the Output body 6 'was obtained from such a body.
- a gas cushion preferably air cushion between the web and the Surface of the rotating body is already very advantageous in a rotationally symmetric body of revolution, as formed by the output body 6 ' can be.
- the shape and arrangement of the fluid channels 15 in the longitudinal direction and in Circumferential direction of the rotary body 6 ' may be the same as in the adjustable Be rotating body 6.
- the rotary body 6 ' can be rotatably mounted to the Reduce friction with the wrap around the web. It is, however, completely sufficient and is even preferred when the rotary body 6 'is not rotatable in is mounted on the machine frame.
- an air cushion or cushion of another gas is not only advantageous in conjunction with a one-piece rotating body 6 or 6 ', but even with a rotational body of several axially juxtaposed Rolls and in principle also in other embodiments of rotary bodies.
- the adjustable or not can be adjustable, but the invention Fluidbeaufschlagung the surface of the rotational body, reference is again made to EP 1 101 721 A1, which also referred to in this regard.
- those described there would have to be Embodiments of integral rotary bodies or multipart RotationsSystemgesenten in the mantle of the rotating body or in the coats of a plurality of rotary body of a rotary body structure with fluid channels and a Be provided fluid connection for the fluid channels.
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Rotary Presses (AREA)
Abstract
Description
- Fig. 1
- einen Druckturm mit einem Rotationskörper nach der Erfindung,
- Fig. 2
- den Rotationskörper nach einem ersten Ausführungsbeispiel in einer ersten Drehwinkelposition in einem Querschnitt,
- Fig. 3
- den Rotationskörper in einer zweiten Drehwinkelposition in einem Querschnitt,
- Fig. 4
- den Rotationskörper in einer Längsansicht und teilweisem Längsschnitt und in einem Querschnitt,
- Fig. 5
- den Rotationskörper in einem weiteren Querschnitt,
- Fig. 6
- einen Ausgangskörper, aus dem durch eine materialabnehmende Bearbeitung ein Rotationskörper nach einem zweiten Ausführungsbeispiel gebildet wird,
- Fig. 7-14
- den Rotationskörper des zweiten Ausführungsbeispiels in unterschiedlichen Drehwinkellagen.
Claims (28)
- Rotationskörper für eine Kompensation des Fanout in einer Druckmaschine, der entlang einer Drehachse (D) in drehsteifer Verbindung oder in einem Stück nebeneinander alternierend Fußabschnitte (7) und über die Fußabschnitte (7) um radiale Höhendifferenzen (HD) vorstehende Kopfabschnitte (8) bildet, wobei die radialen Höhendifferenzen (HD) von Minimalwerten, die sie entlang einer zu der Drehachse (D) parallel versetzten ersten Gerade (T1) aufweisen, in Umfangsrichtung bis zu Maximalwerten, die sie entlang einer zu der Drehachse (D) parallel versetzten zweiten Geraden (T2) aufweisen, zunehmen.
- Rotationskörper nach Anspruch 1, dadurch gekennzeichnet, dass die Minimalwerte gleich sind.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Minimalwerte "0" sind.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Maximalwerte gleich sind.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fußabschnitte (7) Oberflächenabschnitte (9) von je der gleichen Form bilden.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kopfabschnitte (8) Oberflächenabschnitte (10) von je der gleichen Form bilden.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fußabschnitte (7) nach radial auswärts konkave Oberflächenabschnitte (9) bilden.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die von den Fußabschnitten (7) gebildeten Oberflächenabschnitte (9) in Axialrichtung stetig sind.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die von den Fußabschnitten (7) gebildeten Oberflächenabschnitte (9) in Axialrichtung stetig differenzierbar sind.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kopfabschnitte (8) nach radial einwärts konkave Oberflächenabschnitte (10) bilden.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die von den Kopfabschnitten (8) gebildeten Oberflächenabschnitte (10) in Axialrichtung stetig sind.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die von den Kopfabschnitten (8) gebildeten Oberflächenabschnitte (10) in Axialrichtung stetig differenzierbar sind.
- Rotationskörper nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die von den Fußabschnitten (7) gebildeten Oberflächenabschnitte (9) und die von den Kopfabschnitten (8) gebildeten Oberflächenabschnitte (10) stetig ineinander übergehen.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die von den Fußabschnitten (7) gebildeten Oberflächenabschnitte (9) und die von den Kopfabschnitten (8) gebildeten Oberflächenabschnitte (10) tangential ineinander übergehen.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die in Umfangsrichtung um die Drehachse (0) sich ändernden radialen Höhendifferenzen (HD) in Umfangsrichtung um die Drehachse (D) stetig sind, vorzugsweise stetig differenzierbar sind.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die in Umfangsrichtung um die Drehachse (0) sich ändernden radialen Höhendifferenzen (HD) entlang von Tangenten (T1, T2), die die Kopfabschnitte (8) berühren und zu der Drehachse (D) parallel sind, gleich sind.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fußabschnitte (7) und die Kopfabschnitte (8) Oberflächenabschnitte (9, 10) bilden, die an einer neutralen Kreiszylindermantelfläche (N) aneinander stoßen, und dass die Drehachse (D) des Rotationskörpers (6) eine Mittellängsachse der neutralen Kreiszylindermantelfläche (N) ist.
- Rotationskörper nach dem vörhergehenden Anspruch, dadurch gekennzeichnet, dass die Fußabschnitte (7) radial unter der neutralen Kreiszylindermantelfläche (N) und die Kopfabschnitte (8) radial über der neutralen Kreiszylindermantelfläche (N) in Axialrichtung Bögen einer Oberflächen-Wellenkontur des Rotationskörpers (6) bilden und dass in jedem die Drehachse (D) einschließenden Axialschnitt des Rotationskörpers (6) die von den Fußabschnitten (7) gebildeten Bögen die gleiche Form haben wie die von den Kopfabschnitten (8) gebildeten Bögen, wenn die von den Fußabschnitten (7) gebildeten Bögen auf die Seite der von den Kopfabschnitten (8) gebildeten Bögen geklappt werden.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rotationskörper (6) für eine gesteuerte oder geregelte Verstelldrehbewegung um seine Drehachse (D) mit einem Stellglied (17) einer Steuerungs- oder Regelungseinrichtung (17, 18, 19) verbunden ist.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rotationskörper (6) in einer Druckmaschine zwischen einem vorgeordneten Druckspalt (2) und einem nachgeordneten Druckspalt (3), in denen in einer Druckproduktion die durchlaufende Bahn (W) hintereinander bedruckt wird, zu einer Seite der Bahn (W) angeordnet ist und von der Bahn (W) umschlungen wird.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in dem Rotationskörper (6) Fluidkanäle (15) gebildet sind, die an der Oberfläche (9, 10) des Rotationskörpers (6) eine Vielzahl von Mündungsstellen bilden, um ein Fluid an die Oberfläche des Rotationskörper (6) zu führen.
- Rotationskörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Rotationskörper (6) einen inneren Hohlraum (11) aufweist, in den die Fluidkanäle (15) münden.
- Rotationskörper nach einem der zwei vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sämtliche Fluidkanäle (15) oder zumindest ein Teil der Fluidkanäle Bohrungen sind.
- Rotationskörper nach einem der drei vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fluidkanäle durch Materialporosität gebildet werden.
- Rotationskörper nach einem der vier vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rotationskörper (6) auf einer Hohlachse (12) drehgelagert oder auf einer Hohlwelle verdrehgesichert befestigt ist, die einen Fluidanschluss für den Rotationskörper (6) bildet, so dass ein Fluid durch die Hohlachse (12) oder Hohlwelle den Fluidkanälen (15) zuführbar ist.
- Rotationskörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rotationskörper (6) in einem Verfahren der Urformung oder Umformung, in einem Stück geformt oder durch Fügen und drehsteifes Verbinden von mehreren derart geformten Teilstücken erhalten wird.
- Rotationskörper nach einem der Ansprüche 1 bis 13, 15, 16 und 19 bis 25, dadurch gekennzeichnet, dass der Rotationskörper (6) aus einem in Bezug auf die Drehachse (D) rotationssymmetrischen Ausgangskörper durch eine materialabnehmende Bearbeitung mit einem Werkzeug erhalten wird, bei der zwischen dem Rotationskörper (6) und dem Werkzeug eine Relativdrehbewegung um eine zu der Drehachse (D) exzentrische Bearbeitungsachse (B) stattfindet und ein radialer Abstand zwischen der Bearbeitungsachse (B) und dem Werkzeug verkleinert wird.
- Verfahren zur Herstellung des Rotationskörpers (6) nach einem der Ansprüche 1 bis 13, 15, 16, 19 bis 25 und 27, bei dem:a) ein zu der Drehachse (D) rotationssymmetrischer Ausgangskörper (6') mit einem Wellenprofil an seiner Oberfläche geformt wird, das die gleich Periodizität wie ein an der Oberfläche (9, 10) des Rotationskörpers (6) gebildetes Wellenprofil aufweist,b) der Ausgangskörper (6') und ein seiner Oberfläche zugewandtes, materialabnehmendes Werkzeug eine Relativdrehbewegung um eine zu der Drehachse (D) parallel versetzte Bearbeitungsachse (B) ausführenc) und dass während der Relativdrehbewegung ein radialer Abstand zwischen der Bearbeitungsachse (B) und dem Werkzeug entlang der Bearbeitungsachse (B) gleichmäßig verringert und dadurch Material an der Oberfläche des Ausgangskörpers (6') abgenommen wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10225200A DE10225200B4 (de) | 2002-06-06 | 2002-06-06 | Rotationskörper für eine Kompensation des Fanout |
DE10225200 | 2002-06-06 |
Publications (2)
Publication Number | Publication Date |
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EP1369368A1 true EP1369368A1 (de) | 2003-12-10 |
EP1369368B1 EP1369368B1 (de) | 2006-05-03 |
Family
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EP03405399A Expired - Lifetime EP1369368B1 (de) | 2002-06-06 | 2003-06-03 | Rotationskörper für eine Kompensation des Fanout |
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Country | Link |
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US (1) | US6789476B2 (de) |
EP (1) | EP1369368B1 (de) |
JP (1) | JP2004025869A (de) |
AT (1) | ATE325069T1 (de) |
DE (2) | DE10225200B4 (de) |
DK (1) | DK1369368T3 (de) |
ES (1) | ES2262965T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004037537A2 (de) * | 2002-10-19 | 2004-05-06 | Koenig & Bauer Aktiengesellschaft | Leitelemente einer druckeinheit |
DE102005048246A1 (de) * | 2005-10-07 | 2007-04-19 | Maschinenfabrik Wifag | Rotationsdruckmaschine mit Längendehnungs-Kompensator und Verfahren zum Bedrucken einer längsgeschnittenen Bahn |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006013955B3 (de) * | 2006-03-27 | 2007-10-31 | Koenig & Bauer Aktiengesellschaft | Einrichtungen zum Zuführen einer Materialbahn zu einer Druckeinheit |
DE102008041238A1 (de) * | 2008-08-13 | 2010-02-25 | Koenig & Bauer Aktiengesellschaft | Druckeinheit einer Druckmaschine |
JP5861319B2 (ja) * | 2011-08-29 | 2016-02-16 | 株式会社ニコン | 搬送装置及び基板処理装置 |
CN115724262A (zh) * | 2021-08-31 | 2023-03-03 | 宁德时代新能源科技股份有限公司 | 辊组件、电池单体的制造设备及辊的调节方法 |
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JPH01214561A (ja) * | 1988-02-19 | 1989-08-28 | Akitomo Yano | 胴太ロール及びピンチ装置 |
EP0838420A2 (de) * | 1996-10-25 | 1998-04-29 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Vorrichtung zur Korrektur des Fan-Out-Effektes an Rollenrotationsdruckmaschinen |
US6021713A (en) * | 1996-10-25 | 2000-02-08 | Koening & Bauer Aktiengesellschaft | Arrangement for correcting the fan-out effect on web-fed printing presses |
EP1101721A1 (de) | 1999-11-16 | 2001-05-23 | Maschinenfabrik Wifag | Rotationskörpergebilde für eine Bahnbreitenkorrektur |
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US1630911A (en) * | 1925-11-23 | 1927-05-31 | Jere L Wentz | Massage machine |
US2266859A (en) * | 1940-06-01 | 1941-12-23 | Grampp Albert | Toe and foot vibrator |
US3867749A (en) * | 1971-11-01 | 1975-02-25 | Dlw Ag | Press device for pressing liquid from a fibrous body |
DE2446188C3 (de) * | 1974-09-27 | 1983-11-24 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Bogenführende Mantelfläche von Gegendruckzylindern oder Bogenüberführungszylindern in Rotationsoffsetdruckmaschinen |
SU960335A1 (ru) * | 1979-07-09 | 1982-09-23 | Eleskin Valerij G | Устройство дл продольного разрезани длинномерного материала |
-
2002
- 2002-06-06 DE DE10225200A patent/DE10225200B4/de not_active Expired - Fee Related
-
2003
- 2003-06-03 ES ES03405399T patent/ES2262965T3/es not_active Expired - Lifetime
- 2003-06-03 AT AT03405399T patent/ATE325069T1/de not_active IP Right Cessation
- 2003-06-03 DK DK03405399T patent/DK1369368T3/da active
- 2003-06-03 DE DE50303157T patent/DE50303157D1/de not_active Expired - Fee Related
- 2003-06-03 EP EP03405399A patent/EP1369368B1/de not_active Expired - Lifetime
- 2003-06-05 US US10/455,122 patent/US6789476B2/en not_active Expired - Fee Related
- 2003-06-06 JP JP2003161911A patent/JP2004025869A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01214561A (ja) * | 1988-02-19 | 1989-08-28 | Akitomo Yano | 胴太ロール及びピンチ装置 |
EP0838420A2 (de) * | 1996-10-25 | 1998-04-29 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Vorrichtung zur Korrektur des Fan-Out-Effektes an Rollenrotationsdruckmaschinen |
US6021713A (en) * | 1996-10-25 | 2000-02-08 | Koening & Bauer Aktiengesellschaft | Arrangement for correcting the fan-out effect on web-fed printing presses |
EP1101721A1 (de) | 1999-11-16 | 2001-05-23 | Maschinenfabrik Wifag | Rotationskörpergebilde für eine Bahnbreitenkorrektur |
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PATENT ABSTRACTS OF JAPAN vol. 013, no. 526 (M - 897) 22 November 1989 (1989-11-22) * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004037537A2 (de) * | 2002-10-19 | 2004-05-06 | Koenig & Bauer Aktiengesellschaft | Leitelemente einer druckeinheit |
WO2004037537A3 (de) * | 2002-10-19 | 2004-08-26 | Koenig & Bauer Ag | Leitelemente einer druckeinheit |
US7383772B2 (en) | 2002-10-19 | 2008-06-10 | Koenig & Bauer Aktiengesellschaft | Guiding elements for a printing unit |
DE102005048246A1 (de) * | 2005-10-07 | 2007-04-19 | Maschinenfabrik Wifag | Rotationsdruckmaschine mit Längendehnungs-Kompensator und Verfahren zum Bedrucken einer längsgeschnittenen Bahn |
DE102005048246B4 (de) * | 2005-10-07 | 2009-09-10 | Maschinenfabrik Wifag | Rotationsdruckmaschine mit Längendehnungs-Kompensator und Verfahren zum Bedrucken einer längsgeschnittenen Bahn |
Also Published As
Publication number | Publication date |
---|---|
US6789476B2 (en) | 2004-09-14 |
ES2262965T3 (es) | 2006-12-01 |
EP1369368B1 (de) | 2006-05-03 |
DE10225200B4 (de) | 2007-04-26 |
DK1369368T3 (da) | 2006-08-14 |
US20030226457A1 (en) | 2003-12-11 |
JP2004025869A (ja) | 2004-01-29 |
DE50303157D1 (de) | 2006-06-08 |
DE10225200A1 (de) | 2004-01-15 |
ATE325069T1 (de) | 2006-06-15 |
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