EP0963287B1 - Forme pour la realisation sur rotative d'une impression, d'un recouvrement ou d'une empreinte sur des materiaux en forme de bandes, et procede de realisation d'une telle forme - Google Patents
Forme pour la realisation sur rotative d'une impression, d'un recouvrement ou d'une empreinte sur des materiaux en forme de bandes, et procede de realisation d'une telle forme Download PDFInfo
- Publication number
- EP0963287B1 EP0963287B1 EP98965190A EP98965190A EP0963287B1 EP 0963287 B1 EP0963287 B1 EP 0963287B1 EP 98965190 A EP98965190 A EP 98965190A EP 98965190 A EP98965190 A EP 98965190A EP 0963287 B1 EP0963287 B1 EP 0963287B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process according
- carrier
- elastomer coating
- coating
- elastomer layer
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 238000007639 printing Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 238000004049 embossing Methods 0.000 title claims description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 72
- 239000000806 elastomer Substances 0.000 claims abstract description 72
- 230000008569 process Effects 0.000 claims description 31
- 238000002156 mixing Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000004132 cross linking Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000010147 laser engraving Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229920005573 silicon-containing polymer Polymers 0.000 abstract description 13
- 239000000470 constituent Substances 0.000 abstract 2
- 229920001187 thermosetting polymer Polymers 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 230000006855 networking Effects 0.000 description 8
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 6
- 239000000976 ink Substances 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000007645 offset printing Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- -1 Polysiloxanes Polymers 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- WNEODWDFDXWOLU-QHCPKHFHSA-N 3-[3-(hydroxymethyl)-4-[1-methyl-5-[[5-[(2s)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl]amino]-6-oxopyridin-3-yl]pyridin-2-yl]-7,7-dimethyl-1,2,6,8-tetrahydrocyclopenta[3,4]pyrrolo[3,5-b]pyrazin-4-one Chemical compound C([C@@H](N(CC1)C=2C=NC(NC=3C(N(C)C=C(C=3)C=3C(=C(N4C(C5=CC=6CC(C)(C)CC=6N5CC4)=O)N=CC=3)CO)=O)=CC=2)C)N1C1COC1 WNEODWDFDXWOLU-QHCPKHFHSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/18—Curved printing formes or printing cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/16—Curved printing plates, especially cylinders
- B41N1/22—Curved printing plates, especially cylinders made of other substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
Definitions
- the invention relates to a method for producing a Form for rotary printing, coating or Embossing sheet-like materials, being on a carrier with a cylindrical surface on this one Elastomer layer made of a thermosetting silicone polymer is applied.
- Shapes of the type mentioned above are different Applications.
- Running as Printing form e.g. for high pressure, especially flexo printing, forms the outer surface of the engraved elastomer layer the color transfer surface.
- the elastomer layer and its surface diverse requirements made for example, must they have sufficient resistance to any solvent contained in the ink, a good dynamic Behavior and color transfer behavior as well a slight swelling under the influence of the printing inks and quickly and easily after a printing process can be cleaned from the printing ink. All The requirements are similar if the shape for coating processes, for example as a transfer roller used for planographic printing, especially offset printing becomes.
- the term “coating” here especially the transfer of inks within of printing processes, especially in flexographic printing, and the transfer of e.g. Lacquers or adhesives on web-shaped Materials are understood. It depends Requires both a full-area transfer as well a transfer only to selected areas conceivable.
- the mold is used as an embossing mold the elastomer layer in particular has good dimensional stability and wear resistance even with the The usual temperatures of the embossing processes formative material and good separation behavior, around sheet-like materials with sufficient To be able to provide economy with embossments.
- the elastomer layer can be easily engraved.
- a printing press and a Imaging method for a printing press known the printing press in a printing unit being seamless Has image cylinder, which by means of a direct Imaging process within the printing unit with is coated with a dryable polymer.
- the image cylinder can only be used in wet or dry offset printing used because of the polymer layer is very thin (typically 2 - 10 ⁇ m) and therefore engraved is impossible.
- waterless offset printing are provided as polymeric silicones, where their property is that they are printing inks repel is essential.
- EP 0 374 951 A2 discloses a process for the production a rotational form consisting of a carrier, on the outer surface of a thermosetting silicone polymer is applied after the shaping in the shaping Tool is networked. This is the tool for a predetermined time, for example about 10 minutes, to a predetermined temperature, for example 130 ° C, heated. After networking, the coated can now Carrier can be removed from the mold. The so made The product should preferably be used as a fixing and / or pressure roller for paper transport in a photocopier be used. A use of the form for rotary printing, coating and embossing is here not expressly disclosed.
- the method disclosed here has the disadvantage that productivity in the manufacture of the mold is relatively low because of the thermosetting silicone polymer for a relatively long time within the shaping Tool must remain and because the shaping tool first preheated and then for a specific one Time at the specified temperature got to.
- thermosetting is meant here and below be that those occurring during material hardening and / or temperatures to be used between about 80 ° C and 250 ° C.
- the object is achieved according to the invention by Process of the type mentioned, which is characterized is that the material used to form the elastomer layer during its application and / or after its application to the outer surface of the carrier heat is supplied and a crosslinking by the supply of heat of the material is started and that the elastomer layer after hardening on its outer circumference to a cylindrical shape is machined and engraved.
- the main advantage of the method according to the invention is that the quality of the elastomer layer is very good is achieved with very short production times. It has been shown that a thermosetting silicone polymer as a material for the production of an elastomer layer a mold for rotary printing, coating or embossing sheet-like materials is suitable and that the elastomer layer produced according to the invention fulfills all requirements. By that Material used to form the elastomer layer during its Application and / or after its application to the Shell surface of the carrier heat is supplied and that a networking of the material started by the supply of heat is ensured that the material is on the carrier first a relatively even layer forms and only then begins curing; thereby interfaces within the elastomer layer become safe avoided.
- thermosetting materials are largely eliminated temperature-related restrictions when selecting the Materials for the carrier because those for hot curing required temperature only for relatively short Time must be applied. Therefore, for the wearer here also materials are used that were previously used were considered excluded for this purpose.
- plastics which because their low heat resistance compared to metals earlier in this field of mold making were not used.
- the use of plastics instead of metals for the carrier provides substantial Weight reductions in terms of transportation and handling the forms much easier.
- the shapes are preferably seamless shapes; alternative the elastomer layer can also be made flat at first and then applied to the carrier in a curved shape, e.g. be stuck on.
- the silicone polymer as a material to form the Elastomer layer in the form of a one-component material it is relatively easy to handle and its provision, preparation and application to the Carrier requires only a relatively minor technical Expenditure.
- one-component materials usually shorter shelf life in purchase be taken.
- the silicone polymer can also be used in the form of a two-component material. This makes longer shelf life advantageous enables what higher productivity allowed and lower manufacturing costs for the mold allows.
- the use of two-component materials requires a slightly higher technical Effort for their preparation and application, what is but in the manufacture of large numbers of molds quickly amortized.
- the material for Formation of the elastomer layer in a liquid or pasty Condition is applied to the carrier.
- a further development provides that with one-component Material of this in a one-component dosing system is processed and that with two-component material its components in a multi-component dosing and -Mixing plant can be processed and prepared.
- the usage Such a system makes the execution of the Technically comparative method according to the invention simple and reliable and offers an inexpensive and low-risk operation and thus a correspondingly inexpensive Execution of the procedure.
- For the mixing process can optionally use a dynamic, driven mixing element or use a static mixer.
- the method preferably provides that the material for the formation of the elastomer layer in a rotary casting process applied to the outer surface of the carrier becomes.
- the rotational molding process for applying the The elastomer layer on the carrier is therefore special advantageous because it does not require any molds and so creating a seamless with simple means Form enables.
- Rotary casting plants are known per se to the person skilled in the art, e.g. from coating technology.
- the infusion in Form of a caterpillar-like shape describing a helix Material strand takes place.
- the helical shape can be achieved in a simple manner in that the Carrier is rotated about its longitudinal central axis and that the carrier and the device issuing the strand of material or plant in the longitudinal direction of the carrier relative to each other be moved.
- simple devices and drive means are sufficient here, that are inexpensive to manufacture and operate.
- the heat is preferred to the material by means of thermal radiation fed without contact. Damage to the applied material layer are avoided. It also allows simple devices used to supply the heat, for example electrically operated radiant heaters.
- the heat source for the supply of heat to the material can be part of the facility to apply the material to the carrier, then the start of the networking of the material already during its application to the carrier. alternative can be the heat source for supplying heat to the Material can also be a separate device in which the carrier completely coated with the material is transferred after completion of the coating, wherein then the material advances to the Carrier is applied and the crosslinking only afterwards is started. Finally, it is also possible use both heat sources one after the other to create a special one reliable heating and therefore a special one to ensure a safe and complete networking start.
- Cooling medium e.g. Cooling air or cooling water
- specially designed coolant channels be provided to provide the desired cooling enable.
- the elastomer layer with a To produce thickness between about 1 and 5 mm.
- the elastomer layer is advantageously thin, which economical material consumption guaranteed and with too contributes to low manufacturing costs for the molds.
- the relatively small thickness of the elastomer layer ensures to minimize flexing of the elastomer layer during operation, which is essential contributes to the long service life of the molds become.
- the quantity ratio between the material itself and the Filler or the fillers can mechanical and chemical properties of the elastomer layer in a wide range in the desired manner to be influenced.
- At least one mineral is preferred as filler used because minerals are relatively inexpensive and on the other hand either by reaction with the material silicone polymer or its components the properties of the finished elastomer layer are positive influence or differ from the material silicone polymer behave chemically inert. Because of their chemical and physical properties of suitable minerals for use in the method according to the invention are e.g. Quartz powder, silica, calcium carbonate, talc, Mica or aluminum hydroxide.
- a plastic sleeve is used as the carrier.
- the usage of sleeves as supports for printing forms is on already known, but so far only in practice the field of rotogravure and offset printing forms or of Cliché sleeves with curved and glued cliché plates.
- the sleeves can optionally be used on their inner circumference be cylindrical or slightly conical, as well known per se; the outer circumference of the finished form must in any case be cylindrical.
- a plastic sleeve is used as the carrier, it is preferably one or more layers of elastomer and / or thermosetting materials in the form of foams and / or casting compounds. You can do this Materials, provided the shape is not an embossing shape the embossing of hot materials, such as thermoplastic films, should be used, quite sensitive to temperature be a vulcanization for the application of the outer elastomer layer as printing or transferring or embossing surface is not required; the Only the carrier, however, must be relatively short-term Heat application for hot curing the elastomer layer withstand.
- metal sleeves are advantageously reusable by repeating them worked up, i.e. be re-coated.
- a mixed construction of the carrier is also made Plastic and metal possible.
- a metal cylinder can also be used as a support, e.g. made of aluminum or steel.
- the hardened elastomer layer is engraved preferably by laser engraving because of this engraving process Can be carried out particularly quickly and inexpensively and because it is under the control of previously digitally stored Data is executable.
- the surface of the elastomer layer of an inventive Shape can be engraved using laser beams. In order to meet those produced by the process described Shapes particularly well the demand for simpler and faster engraving.
- the laser engravability of the elastomer layer set and optimize as desired. in the Ideally this happens when a focused one hits Laser beam on the elastomer layer an immediate selective evaporation and / or ashing without noteworthy Melt neighboring areas.
- Component A Polysiloxanes containing vinyl groups 40 - 90% Amorphous silica 0.2 - 10% filler 0 - 70% platinum catalyst 0.01 - 3% Multi-functional vinyl compound 0.2 - 4% Ethyne retarder 0 - 5% zeolite 0.5 - 10%
- Component B Multifunctional silane compounds 2 - 20%
- Both component A and component B of this Materials according to the above example are separated storable from each other over many months. Will the Component A and component B to form the material, from which the elastomer layer is produced if mixed, there is initially no or practical no reaction of the components to one another, i.e. no hardening or crosslinking occurs yet. Only by heating to about 80 ° C, if no or very little ethine retarder used the networking is started, so that only then the hardening of the material begins. By a Increasing the proportion of the ethine retarder becomes the crosslinking start temperature raised.
- the recipe shown in the example it can be mixed component A and component B also One-component silicone polymer material are made, which, however, is only a relatively short time, i.e. some Weeks, is storable. Even when it is designed as a one-component material occurs if no or very little Ethine retarder is used only after one Warming up to about 80 ° C and thus networking Curing of the material. A higher proportion of ethine retarders here too increases the crosslinking start temperature.
- the usual temperature for crosslinking and curing the Silicone polymer materials according to the example is about 180 ° C; curing is possible in a temperature range, which ranges from about 80 ° C to a maximum of about 250 ° C extends.
- the length of time over which this temperature must be present within the materials is relative short; in practice, this time period is even at large shapes no more than about 30 minutes. When a faster curing is desired, this is done by increasing the temperature attainable; vice versa with smaller ones Temperatures calculated a longer curing time become.
- the system 1 consists of a machine bed 10, on which, similar to a lathe, on left end a headstock 11 and at the right end Tailstock 13 are arranged.
- the headstock 11 is fixedly arranged on the machine bed 10; to the right protrudes from the headstock 11 a rotatably driven spindle 12 before.
- the tailstock 13 at the opposite end of the machine bed 10 is in a sliding guide 13 ' in the longitudinal direction of the machine bed 10 and definable in desired positions.
- a follower tip 14 rotatably mounted.
- a core roller 30 is clamped by means of its stub axles 31, 32, so that when the spindle 12 rotates Core roller 30 also in the sense of the arrow 39 around their longitudinal central axis rotates.
- a sleeve 33 is arranged, the for example by means of a pressure medium on the core roller 30 is raised and in the same way by this can be deducted.
- the system 1 comprises an application device 2, which is supported on a support frame 25.
- the support frame 25 is at its lower end on a longitudinal support 26 attached, along a sliding guide hidden here 26 'parallel to the slide guide 13' in the longitudinal direction of the machine bed 10 is movable.
- the Application device Mixing head 22 supported, which is a dynamic mixing element with an electric motor drive 23.
- To that Mixing head 22 lead several lines 21, in the present case Example two feed lines and two recirculation lines, through which the components of a two-component elastomer material from storage containers about at least partially elastic-flexible line areas transported to the mixing head 22 and if necessary, in particular in the event of interruptions to the order become.
- Processing and processing takes place in the mixing head 22 Mixture of the elastomer material, which is then subsequently in the form of a strand of material 34 'by one under the Mixing head 22 arranged nozzle 24 on the outer circumference of the Sleeve 33 is applied.
- the application takes place in the form a helix, the core roller 30 with the Sleeve 33 rotates in the direction of the arrow 39 and the Application device 2 by means of the longitudinal support 26 in Direction of the movement arrow 29 is moved.
- the system 1 includes one with the support frame 25 connected radiant heater 27, the below of the already coated part of the sleeve 33 and which together with the longitudinal support 26 in Direction of the arrow 29 moves.
- the radiant heater 27 gives its heat radiation to the surface of the Coating 34, whereby it is heated.
- a predetermined temperature for example 100 ° C, reached or exceeded, is in this coating 34 the curing or crosslinking started.
- Figure 2 shows in its lower part in cross section the machine bed 10.
- the slide guide 13 'for the tailstock 13 which can be seen in the background.
- the support frame 25 is attached, which is like a gallows up and then forward, i.e. in the Drawing to the right, extends.
- the application device 2 is attached.
- the connection between the application device 2 and the support frame 25 takes place on the mixing head 22.
- the mixing head 22 open the feed lines 21, of which only two are visible here.
- Above the mixing head 22 is the electric motor forming its drive 23 visible.
- the nozzle 24 protrudes downward from the mixing head 22, down from the strand of material 34 'for production the elastomer layer 34 emerges.
- the nozzle 24 is located itself at a short distance from the outer peripheral surface the sleeve 33, which is arranged on the core roller 30 is.
- By the arrow 39 is the Direction of rotation of the core roller 30 with the sleeve 33 during the application of the elastomer layer 34 indicated.
- the heat radiator 27 can be seen, the via a bracket not specifically numbered with the Support frame 25 is connected.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Making Paper Articles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Printing Plates And Materials Therefor (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Claims (16)
- Procédé pour la fabrication d'une matrice pour l'impression, le revêtement ou l'estampage par rotation de matières en forme de bande, une couche en élastomère (34) en un polymère de silicone thermodurcissable étant déposée sur un support (33), qui comporte une surface d'enveloppe cylindrique, sur cette dernière, caractérisé en ce qu'on envoie de la chaleur à la matière destinée à la formation de la couche en élastomère (34) pendant son dépôt et/ou après son dépôt sur la surface d'enveloppe du support (33) et on initialise, au moyen de l'apport de chaleur, une réticulation de la matière et en ce que, après son durcissement, la couche en élastomère (34) est usinée et gravée sur sa périphérie pour obtenir une forme cylindrique.
- Procédé selon la revendication 1, caractérisé en ce que la matière destinée à la formation de la couche en élastomère (34) est appliquée à l'état liquide ou à l'état pâteux sur le support (33).
- Procédé selon la revendication 1 ou 2, caractérisé en ce que, dans le cas d'une matière à un seul composant, cette dernière est traitée dans une installation de dosage d'un seul composant et en ce que, dans le cas d'une matière à deux composants, ses composants sont traités et mélangés dans une installation de dosage et de mélange à plusieurs composants (2).
- Procédé selon la revendication 2 ou 3, caractérisé en ce que la matière destinée à la formation de la couche en élastomère (34) est appliquée sur la surface d'enveloppe du support (33) selon un procédé de moulage par rotation.
- Procédé selon la revendication 4, caractérisé en ce que le moulage est réalisé sous la forme d'une barre de matière (34) en forme de chenille décrivant une ligne hélicoïdale.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la chaleur est envoyée sans contact à la matière destinée à la formation de la couche en élastomère (34) au moyen d'un rayonnement de chaleur.
- Procédé selon la revendication 6, caractérisé en ce que l'on refroidit le support (33) pendant l'amenée de la chaleur à la matière destinée à la formation de la couche en élastomère (34).
- Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la couche en élastomère (34) est réalisée avec une épaisseur comprise entre 1 et 5 mm.
- Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la couche en élastomère (34) est rectifiée après son durcissement pour son traitement pour obtenir une forme périphérique extérieure cylindrique.
- Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'on ajoute au moins une matière de remplissage à la matière destinée à la formation de la couche en élastomère (34), avant son application sur le support (33).
- Procédé selon la revendication 10, caractérisé en ce que l'on utilise au moins une matière minérale en tant que matière de remplissage.
- Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'on utilise, en tant que support (33), une gaine en matière plastique.
- Procédé selon la revendication 12, caractérisé en ce que la gaine est réalisée avec une ou plusieurs couches à partir de matières élastomères et/ou thermodurcissables se présentant sous la forme de mousses et/ou d'une masse de scellement.
- Procédé selon l'une quelconque des revendications 1 à 13, caractérisé en ce que l'on utilise, en tant que support (33), une gaine en métal, de préférence en nickel.
- Procédé selon l'une quelconque des revendications 1 à 14, caractérisé en ce que l'on utilise, en tant que support (33), un cylindre métallique qui est réalisé, de préférence, en aluminium ou en acier.
- Procédé selon l'une quelconque des revendications 1 à 15, caractérisé en ce que le gravage de la couche en élastomère (34) durcie est réalisé au moyen d'une gravure par laser.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756327 | 1997-12-18 | ||
DE19756327A DE19756327A1 (de) | 1997-12-18 | 1997-12-18 | Form für das rotative Bedrucken, Beschichten oder Prägen von bahnförmigen Materialien und Verfahren zur Herstellung der Form |
PCT/EP1998/007647 WO1999032275A1 (fr) | 1997-12-18 | 1998-11-26 | Forme pour la realisation sur rotative d'une impression, d'un recouvrement ou d'une empreinte sur des materiaux en forme de bandes, et procede de realisation d'une telle forme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0963287A1 EP0963287A1 (fr) | 1999-12-15 |
EP0963287B1 true EP0963287B1 (fr) | 2002-03-13 |
Family
ID=7852389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98965190A Expired - Lifetime EP0963287B1 (fr) | 1997-12-18 | 1998-11-26 | Forme pour la realisation sur rotative d'une impression, d'un recouvrement ou d'une empreinte sur des materiaux en forme de bandes, et procede de realisation d'une telle forme |
Country Status (9)
Country | Link |
---|---|
US (1) | US6616974B1 (fr) |
EP (1) | EP0963287B1 (fr) |
JP (1) | JP2001524901A (fr) |
AT (1) | ATE214328T1 (fr) |
CA (1) | CA2279370C (fr) |
DE (2) | DE19756327A1 (fr) |
DK (1) | DK0963287T3 (fr) |
ES (1) | ES2174534T3 (fr) |
WO (1) | WO1999032275A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109078791A (zh) * | 2018-10-06 | 2018-12-25 | 苏州市铭将意电子科技有限公司 | 一种计算机机箱生产用喷漆装置及喷漆方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19942216C2 (de) | 1999-09-03 | 2003-04-24 | Basf Drucksysteme Gmbh | Siliconkautschuk und eisenhaltige, anorganische Feststoffe und/oder Ruß enthaltendes Aufzeichnungsmaterial zur Herstellung von Reliefdruckplatten mittels Lasergravur, Verfahren zur Herstellung von Reliefdruckplatten sowie damit hergestellte Reliefdruckplatte |
IT1310821B1 (it) * | 1999-09-08 | 2002-02-22 | Sergio Tosi | Metodo per realizzare matrici utilizzabili per effettuare ladecorazione di piastrelle ceramiche. |
DE50100265D1 (de) | 2000-03-23 | 2003-07-03 | Basf Drucksysteme Gmbh | Verwendung von Pfropfcopolymeren zur Herstellung lasergravierbarer Reliefdruckelementen |
DE10019491B4 (de) * | 2000-04-19 | 2006-01-12 | Windmöller & Hölscher Kg | Verfahren zum Aufbringen von Formatteilen auf eine Übertragungswalze zum Auftragen eines formatgerechten Klebstoffauftrags |
FR2808240B1 (fr) * | 2000-04-27 | 2003-03-07 | Gravure Et Prec Gep | Procede de fabrication d'une plaque gravee pour la reproduction par marquage a chaud, et plaque gravee obtenue |
DE10023560A1 (de) * | 2000-05-15 | 2002-01-03 | Polywest Kunststofftechnik | Verfahren zum Herstellen einer Druckplatte insbesondere für den Hochdruck sowie Druckplatte für den Hochdruck |
US6922500B2 (en) * | 2001-10-24 | 2005-07-26 | Intel Corporation | Optical configuration for optical fiber switch |
ITBO20040579A1 (it) * | 2004-09-21 | 2004-12-21 | Serigrafica Tosi S R L | Metodo per la realizzazione di decori in rilievo su piastrelle ceramiche |
KR100617042B1 (ko) * | 2005-03-17 | 2006-08-30 | 엘지.필립스 엘시디 주식회사 | 인쇄롤용 블랭킷 제조방법 및 장치 |
FR2899502B1 (fr) * | 2006-04-06 | 2009-04-10 | Macdermid Printing Solutions E | Dispositif de gaufrage, tel qu'un cylindre ou manchon |
PL1894718T3 (pl) * | 2006-08-31 | 2010-07-30 | R Pc Roman Reder Rohstoffe Projektmanagement Consulting | Sposób wytwarzania cylindra drukarskiego |
ES2340605T3 (es) * | 2006-12-20 | 2010-06-07 | Agfa Graphics N.V. | Precursor de forma para impresion flexografica grabable por laser. |
US20090035365A1 (en) * | 2007-07-30 | 2009-02-05 | Lewis Michael Popplewell | Density Controlled Capsule Particles and Methods of Making the Same |
ATE511989T1 (de) * | 2008-02-13 | 2011-06-15 | Wifag Maschf Ag | Bebilderung einer offset-druckform |
DE102012109071A1 (de) * | 2012-09-26 | 2014-03-27 | Contitech Elastomer-Beschichtungen Gmbh | Schleifverfahren für Druckformen im Flexo- oder Hochdruckbereich |
US9052176B1 (en) * | 2013-03-15 | 2015-06-09 | Joseph Stefano | Shell casing marker |
DE102017008415A1 (de) * | 2017-08-19 | 2019-02-21 | Hescoat GmbH | Antihaftbeschichtung |
DE102018212457A1 (de) * | 2018-07-26 | 2020-01-30 | Audi Ag | Verfahren zum Herstellen einer Teilform für ein Metallbearbeitungswerkzeug |
CN115672618B (zh) * | 2022-12-27 | 2023-04-11 | 河北华曙新能源汽车科技有限公司 | 一种多方位喷涂汽车零件的喷漆装置 |
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DE2927584A1 (de) * | 1979-07-07 | 1981-01-22 | Henkel Kgaa | Vorrichtung zum dosieren von zweikomponenten-produkten |
JPS5619758A (en) * | 1979-07-27 | 1981-02-24 | Dainippon Printing Co Ltd | Preparation of gravure cylinder made of resin |
US4360566A (en) * | 1981-03-05 | 1982-11-23 | Toray Silicone Co., Ltd. | Curable organopolysiloxane composition for heat fixing rolls |
US4368240A (en) * | 1981-07-27 | 1983-01-11 | Nauta Roll Corporation | High gloss rubber roll |
US4664058A (en) * | 1985-10-25 | 1987-05-12 | International Paper Company | Coating roll surface configuration for applying liquid sterilant to a moving web |
JPH02170858A (ja) * | 1988-12-23 | 1990-07-02 | Canon Inc | 付加反応型シリコーンゴム組成物、該組成物を有する弾性回転体及び定着装置 |
ATE129267T1 (de) * | 1989-02-02 | 1995-11-15 | Canon Kk | Silikonzusammensetzung, elastischer drehkörper und diesen verwendende fixiervorrichtung. |
FI890953A (fi) * | 1989-02-28 | 1990-08-29 | Valmet Paper Machinery Inc | Vals eller valsbelaeggning i cellulosamaskin, pappersmaskin eller efterbehandlingsmaskin foer papper och foerfarande foer framstaellning av denna samt anvaendning av denna. |
US5798202A (en) * | 1992-05-11 | 1998-08-25 | E. I. Dupont De Nemours And Company | Laser engravable single-layer flexographic printing element |
DE4324970C2 (de) * | 1993-07-24 | 1995-06-14 | Benecke Kaliko Ag | Verfahren zur Herstellung einer Prägewalze zum kontinuierlichen Prägen der Oberfläche einer thermoplastischen Folie mit einem Muster |
TW298574B (fr) * | 1994-03-08 | 1997-02-21 | Syfal Srl | |
US5837329A (en) * | 1994-12-28 | 1998-11-17 | Shinozaki Manufacturing Co., Ltd. | Method for machining rollers and other objects using laser light and equipment for machining |
DE19612927B4 (de) * | 1995-05-11 | 2009-12-10 | Kodak Graphic Communications Canada Company, Burnaby | Druckmaschine und Bilderzeugungsverfahren für eine Druckmaschine |
US5797322A (en) * | 1996-01-31 | 1998-08-25 | Polywest Kunstofftechnik, Sauressig & Partner Gmbh & Co. Kg | Printing sleeve for a flexographic or gravure printing roll |
DE19618367A1 (de) * | 1996-05-08 | 1997-11-13 | Benecke Kaliko Ag | Verfahren zur Erzeugung eines elektrischen Steuersignals für eine Vorrichtung zur Erzeugung einer Tiefenstruktur in einer Werkzeugoberfläche |
DE19625749C2 (de) * | 1996-06-27 | 1998-12-17 | Polywest Kunststofftechnik | Verfahren zur Herstellung einer nahtlosen Druckform für den rotativen Hochdruck |
-
1997
- 1997-12-18 DE DE19756327A patent/DE19756327A1/de not_active Withdrawn
-
1998
- 1998-11-26 JP JP53322499A patent/JP2001524901A/ja active Pending
- 1998-11-26 EP EP98965190A patent/EP0963287B1/fr not_active Expired - Lifetime
- 1998-11-26 DK DK98965190T patent/DK0963287T3/da active
- 1998-11-26 AT AT98965190T patent/ATE214328T1/de not_active IP Right Cessation
- 1998-11-26 DE DE59803332T patent/DE59803332D1/de not_active Expired - Lifetime
- 1998-11-26 CA CA002279370A patent/CA2279370C/fr not_active Expired - Fee Related
- 1998-11-26 US US09/367,941 patent/US6616974B1/en not_active Expired - Lifetime
- 1998-11-26 WO PCT/EP1998/007647 patent/WO1999032275A1/fr active IP Right Grant
- 1998-11-26 ES ES98965190T patent/ES2174534T3/es not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109078791A (zh) * | 2018-10-06 | 2018-12-25 | 苏州市铭将意电子科技有限公司 | 一种计算机机箱生产用喷漆装置及喷漆方法 |
CN109078791B (zh) * | 2018-10-06 | 2021-12-31 | 苏州亿安达精密塑胶制品有限公司 | 一种计算机机箱生产用喷漆装置及喷漆方法 |
Also Published As
Publication number | Publication date |
---|---|
DK0963287T3 (da) | 2002-07-08 |
ES2174534T3 (es) | 2002-11-01 |
DE19756327A1 (de) | 1999-07-01 |
JP2001524901A (ja) | 2001-12-04 |
CA2279370A1 (fr) | 1999-07-01 |
CA2279370C (fr) | 2007-07-03 |
DE59803332D1 (de) | 2002-04-18 |
WO1999032275A1 (fr) | 1999-07-01 |
EP0963287A1 (fr) | 1999-12-15 |
ATE214328T1 (de) | 2002-03-15 |
US6616974B1 (en) | 2003-09-09 |
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