EP0901894B1 - Procédé et presse pour le pressage, en particulier pressage en continu - Google Patents
Procédé et presse pour le pressage, en particulier pressage en continu Download PDFInfo
- Publication number
- EP0901894B1 EP0901894B1 EP98117029A EP98117029A EP0901894B1 EP 0901894 B1 EP0901894 B1 EP 0901894B1 EP 98117029 A EP98117029 A EP 98117029A EP 98117029 A EP98117029 A EP 98117029A EP 0901894 B1 EP0901894 B1 EP 0901894B1
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- EP
- European Patent Office
- Prior art keywords
- press
- input
- mat
- setting
- contour
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
- B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
- B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone
Definitions
- the invention relates to a method for pressing Pressed goods mats for pressed goods boards in the course of production of chipboard, fiberboard and other wood-based panels in a continuous press with an inlet side cantilevered highly flexible inlet plates, which form an inlet mouth, being on the upper / or lower Inlet plate for setting an inlet contour of the inlet mouth arranged in a given distribution and against Press upper part and / or lower press part supported cylinder-piston arrangements are articulated via a hydraulic system with a connected control device be operated.
- German patent application 197 40 325 A method of the type described at the outset is generally described in German patent application 197 40 325.
- the setting of the input contour of the input aperture by means of a device is also the subject of German Patent Specification 44 33 641 and the German O ffenlegungsschrift 195 18 879th
- a press with press plates that immediately or indirectly with the interposition of a spar are connected to working cylinder piston assemblies that in turn are supported on the press frame.
- the invention has for its object a method of in the manner described at the beginning, that taking into account as optimally as possible Run-in conditions for a mat to be pressed damage in various operating conditions Inlet mouth, for example, due to impermissibly high Pressure build-up can be reliably avoided.
- a particularly suitable device for carrying out can be specified.
- the invention teaches in one Generic method that the inlet contour in Dependence on at least the respective Press material properties, the respective mat height, the respective scattering density of the pressed material, possibly one Prepress setting and the one to be generated Plate thickness preselected and by means of at least one Deformation of the upper / lower inlet plate and plate deformation measuring device connected to the control device controlled or regulated and is monitored.
- several plate strain gauges are used used, it being in this regard by at least in a given distribution on the one hand on the upper and / or lower inlet plate arranged plate deformation sensors, e.g. B. strain gauges, and between the upper and lower inlet plates effective nip displacement sensor can act.
- the setting and monitoring of The inlet contour of the inlet mouth is usually made continuously during the operation of the press. From the Deformation of the inlet mouth or the set one The inlet contour of the inlet mouth can be made from this resulting pressures in the to be pressed Determine or estimate the material to be pressed. In doing so regularly the deformation of the intake mouth and the resulting resulting pressures in the to be pressed Pressed mats for admissibility and / or plausibility checked in the control device. Only after Be released by the control device corresponding control signals to the cylinder-piston arrangements to adjust the inlet contour of the Enema mouth transmitted.
- this is the inlet mouth in individual Areas or sections are subdivided for this purpose the press pressure resulting from the inlet contour is calculated. Provided this pressure to allow deformation of the material to be pressed or the pressed material mats corresponds and also Damage to the intake mouth caused by the material to be pressed adjusting back pressure are not to be feared approval by the control device.
- This Release causes the cylinder-piston assemblies to be a undertake appropriate deformation of the mouth. Of course, in the event that a reliable Deformation is already set, no adjustment of the Cylinder-piston arrangements carried out.
- the intake contour of the intake mouth is regularly during operation of the press continuously by means of the Deformation measuring device detected and together with the presses in the material to be pressed Admissibility and / or plausibility checked. For the Case that these values are outside a definable Admissible range, this is already done addressed pressure-free switching of the cylinder-piston arrangements or a corresponding correction or Setting the inlet contour of the mouth.
- As part of the invention is finally, preferably the entire press area, so the mouth and the itself adjoining heated press plates, too monitor. Of course you can Inlet plates heated in the area of the inlet mouth be executed.
- the invention also relates to a press Claim 11.
- Advantageous embodiments of this Press are described in claims 12 to 20.
- the advantages achieved by the invention are in essential to see that on the one hand optimal Running-in conditions for the mats to be pressed taking into account various operating conditions, especially with regard to a changing structure of the Allow the pressed material mat to set, on the other hand damage the mouth like the one following it Press plates can be reliably avoided.
- optimal Running-in conditions are such within the scope of the invention Understand prerequisites that are reaching high (Time) gradients for the path, the speed and / or allow acceleration of the mat to be pressed. In other words, it should be as possible in the area of the mouth optimal values for the compression with regard to the path and Changes in speed (per unit of time) and thus of acceleration can be achieved.
- Deformation of the pressed material mat in the course of running in can be estimated either externally with a mat of deformation material or as it were internally with you Deformation model to be worked.
- This deformation model takes into account the initial parameters of the mat, such as B. spreading weight, dumping height as possibly pre-compression.
- B. spreading weight, dumping height as possibly pre-compression.
- the moisture content of the Pressed chips are taken into account.
- FE calculations finite element calculations
- the invention further relates to a continuous press for pressing pressed material mats to form pressed material plates, with a press lower part and upper press part, in the press lower part and upper press part endlessly rotating steel press belts, wherein at least one press plate is arranged in each case in the lower press part and in the upper press part, the steel press belts are supported on the press plates with the interposition of rolling elements, wherein a plurality of cylinder piston arrangements, in particular differential cylinders, are connected in a predetermined distribution to the upper and / or lower press plate to form a pressure system, each with one or more displacement transducers, and are supported against the upper press part and / or lower press part, in order to adjust the press plates.
- a hydraulic system with a control or regulating device and a computer being connected to the cylinder piston arrangements.
- the invention is based on the further object continuous press of the above To create embodiment, which is always optimal conditions for the mats to be pressed let adjust and the settings of the press plates and / or inlet plates on their admissibility without constructive effort can be checked.
- the invention solves this problem with a generic one continuous press in that the computer with the Displacement transducers and / or the relevant pressure system as Monitoring computer communicates, which is dependent from the respective press plate setting or -endposition resulting from the press plate distance and / or Press plate pressure resulting tensions on plausibility and possible overload of the concerned Press plate (s) and (only) the permissible if permitted releases selected press plate setting or end position.
- the invention provides that the computer with the transducers and / or the pressure system concerned as Monitoring computer communicates, which is dependent of the set inlet contour from the inlet plate distance and / or inlet plate pressure resulting tensions on plausibility and possible Checks overload of the inlet plate (s) concerned and (only) if permitted, the set inlet contour releases.
- a system which is initially for each press plate and / or inlet plate certain standard settings in a database for the knows individual plate types. Will a variation of Press plate setting and / or inlet contour desired, an operator can adjust this press plate and / or adjust the inlet contour.
- resulting deformations of the press plates and / or inlet plates to the machine control of the Press released according to the invention will Permissibility of the desired positions with the help of the monitoring computer and checked a suitable program.
- this review does not only include those to be expected Deformation of the press plates and / or inlet plates one, but it will also be the one from the pressing press mats to be expected included to assess admissibility.
- Press plate setting and / or inlet contour are the Control values for the individual cylinder piston arrangements Approved.
- the data of the displacement transducer will be read back continuously and continuously on admissibility checked. So a condition can be recognized immediately which to damage the press plates and / or Leads plates. In such a case Depressurization and emergency exit.
- Permissibility of the inlet contour setting the corresponding Pass on setpoints to the downstream press plates There is also the possibility in the case of Permissibility of the inlet contour setting the corresponding Pass on setpoints to the downstream press plates. Consequently, the concept according to the invention can be the entry monitoring on the entire press and consequently also transfer their press plates.
- the invention further provides that the monitoring computer with permissible pressure plate setting and / or setting the inlet contour a limit for the press plate setting and / or the inlet contour depending on the respective mat height, the respective mat material (Span, MDF, OSB) and / or the selected final plate thickness determined. So far one can correct impermissible setting and a permissible one Attitude of the respective operator in Cause dependence on various parameters. The also applies to the driving style of the press. In this There is also the possibility that the Monitoring computer if the setting of the Press plates and / or the inlet contour a limit for the mat height and / or the mat material and / or the Final plate thickness while maintaining the selected press plate setting and / or the set inlet contour determined.
- the Monitoring computer with impermissible pressure plate setting and / or setting the inlet contour also a limit value for mat speed and mat acceleration while maintaining the pressure plate setting and / or Determine the set inlet contour.
- a limit value for the mat height and / or the mat material detected In this case inevitably also a limit value for the mat height and / or the mat material detected.
- a continuous press 1 is shown in FIGS. 1 to 3 for pressing pressed material mats 2 into pressed material plates in In the course of the production of chipboard, fiberboard and other wood-based panels.
- This press 1 has a press lower part 3 and a press upper part 4, namely in the lower press part 3 and upper press part 4 endlessly circulating steel press belts 5 and with a Inlet jaw E.
- a heatable press plate 6, 7 is arranged, of which the upper press plate according to the embodiment 6 against the lower press plate 7 for setting a Press gap S is adjustable. Press plates 6, 7 cantilevered, highly flexible, heatable inlet plates 8, 9 under Formation of the inlet mouth E.
- the steel sheet press belts 5 are on the press plates 6, 7 and the inlet plates 8, 9 with the interposition of Rolling elements 10 or roller rods supported. Further finds a device 11 for adjusting the inlet mouth E and a device 12 for adjusting the inlet contour of the inlet mouth E.
- the device 12 for adjusting the Inlet contour of the inlet mouth E has a plurality of double-acting cylinder-piston arrangements, in Embodiment differential cylinders 13 on.
- the Differential cylinders 13 are in a predetermined distribution and according to the embodiment on the one hand on the upper Inlet plate 8 and / or on the lower inlet plate 9 hinged. On the other hand, the differential cylinders are 13 against the upper press part 4 and / or the lower press part 3 supported.
- the differential cylinders 13 are not one Hydraulic system shown and a control device 17 connected.
- a plate deformation measuring device 14 scanning optical sensor, e.g. B. a video camera, or to provide a light source / detector device.
- press nip transducers 15 and / or deformation sensors 16 combined become.
- the plate deformation measuring device always allows 14 the preferably computer-aided recording and Preparation of the inlet contour of the inlet mouth E, namely regardless of how this plate strain gauge 14 is constructed in detail. This succeeds ultimately in that the plate deformation measuring device 14 or according to the embodiment Press nip displacement sensor 15 in combination with the Strain gauges 16 to the control device 17 are connected. This applies according to the above Designs also for the cylinder-piston arrangements or Differential cylinder 13.
- the control / regulating device 17 selectable inlet contours of the Inlet mouth E and monitors the inlet contour continuously while the press is operating 1.
- An external material mat deformation measuring device is not shown to determine the through the Inlet contour of the inlet mouth E expected Preßgutmattenverformung.
- This molding mat deformation is rather extrapolated in the control device 17, based on the initial parameters during production the mat, z. B. spreading weight, dumping height and possibly prepress pressure. From this can be expected Determine the back pressure of the mat 2.
- the deformation of the inlet mouth E and the resulting press nips and thus the press pressures in the material to be pressed 2 are shown with the aid of an example in FIG. 2.
- the inlet mouth E is shown enlarged, with values for the respective press nip h 0 to h 7 .
- These press gap measured values can be determined with the help of the press gap displacement sensors 15 and / or strain gauges 16.
- the in Fig. 2 Determine the associated gap widths specified. An original thickness of the pressed material mat 2 of 100 mm was assumed.
- the inlet contour of the inlet mouth E is during the Operating the press 1 continuously by means of the Deformation measuring device 14 or with the help of the press nip displacement sensor 15 and / or the strain gauge 16 is detected and together with the pressures in the Pressed material mat 2 for admissibility and / or plausibility checked. If the aforementioned values outside of a The piston / cylinder arrangements 13 from the control device 17 depressurized and / or there is a corresponding Adjustment of the intake mouth E. Within the scope of the invention it, the entire press area, d. H. both the Inlet plates 8, 9 as well as the pressure plates 6, 7 and that Monitor inlet mouth E and press nip S.
- the inlet contour of the inlet mouth E is first set, for example, depending on the mat 2 to be pressed. In other words, based on the composition and structure of the pressed material mat 2, in the simplest case a radius R is specified for the inlet mouth E (target values). This is followed by a measurement of the actual press nip, ie the determination of the values h 0 to h 7 . These, as it were, actual values are compared with the target values (see above) given by the plate thickness, scatter density, etc. and, after checking for admissibility, either changed or written into the database as new target values.
- control device 17 In the event that permissible values are present, the control device 17 is released. The cylinder / piston assemblies 13 are controlled accordingly and the mat 2 is fed. Following this, the position of the mat to be pressed is continuously checked. This also applies to the loop running through at the beginning. If inadmissible values for the press nip or the press pressure are determined, the press 1 is depressurized.
- the computer stands with the displacement sensors 20 and / or the relevant printing system as a monitoring computer 19 in Connection.
- the monitoring computer 19 checks depending on of the set inlet contour from the inlet plate distance and / or inlet plate pressure resulting tensions on plausibility and possible Overloading of the inlet plate (s) 8, 9 in question
- the monitoring computer 19 gives the permissibility in each case set inlet contour free.
- the displacement transducers 16 always allow the computer-assisted Detection and preparation of the intake contour of the intake mouth E and are to the control device 18 connected.
- This also applies to the exemplary embodiment for the cylinder piston arrangements or differential cylinders 13, which belong to the printing system.
- the Control device 18 each set Inlet contours of the inlet mouth E realized checking their admissibility using the corresponding programmed monitoring computer 19. If the from the Setting the inlet contour of the inlet mouth E resulting tensions of the inlet plates 8, 9 outside of the permissible range, the cylinder piston arrangements or differential cylinder 13 depressurized connected. It is within the scope of the invention, the entire Press area, d. H. both the inlet plates 8, 9 and the press plates 6, 7 and the inlet mouth E and Press gap S to monitor.
- this cylinder piston assembly 21 is also not a Hydraulic system shown with a control or Control device 23 and a computer 24 are provided.
- the Computer stands with the displacement transducers 22 and / or the relevant printing system as monitoring computer 24 in Connection that depends on the particular Press plate setting or end position resulting from the Press plate spacing and / or press plate pressure resulting Tensions on plausibility and possibly overloading the concerned press plate (s) 6 or 7 and only at Permissibility of the selected press plate setting releases or end position.
- the monitoring computer 19 for the setting of the inlet contour can also be used as Monitoring computer for press plate setting or -endposition be used so that one with a Monitoring computer 19 or 24 needs.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Press Drives And Press Lines (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Control Of Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Treatment Of Fiber Materials (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Claims (20)
- Procédé de pressage de mats de matières à presser (2) pour produire des plaques de matières pressées au cours de la fabrication de panneaux de particules, de panneaux de fibres et autres panneaux en matériau dérivé du bois dans une presse en continu (1), avec des plaques d'introduction à haute élasticité en flexion (8, 9), faisant saillie côté introduction, lesquelles forment une gueule d'introduction (E), des agencements cylindre - piston (13) étant articulés, disposés contre la plaque d'introduction (8, 9) supérieure et / ou inférieure, en vue du réglage d'un profil d'introduction de la gueule d'introduction (E), suivant une distribution prédéterminée et appuyés contre la partie supérieure de la presse (4) et / ou la partie inférieure de la presse (3), agencements qui sont actionnés par l'intermédiaire d'un système hydraulique avec un dispositif de commande / de régulation (17) raccordé, caractérisé en ce que le profil d'introduction est présélectionné en fonction d'au moins les propriétés des matières à presser respectives, de la hauteur des mats respectifs, de la densité respective de dispersion (de la matière à presser), le cas échéant d'un réglage de préformage et de l'épaisseur de la plaque, à produire respectivement et commandé ou régulé et surveillé au moyen au moins d'un dispositif de mesure de déformation des panneaux (14), qui détecte les déformations de la plaque d'introduction supérieure et / ou inférieure (8, 9) et qui est raccordé au dispositif de commande / de régulation (17).
- Procédé selon la revendication 1, caractérisé en ce qu'on met en oeuvre, en tant que dispositifs de mesure de déformation des panneaux (14), au moins, suivant une distribution prédéterminée, d'une part, des détecteurs de déformation de plaques (16), disposés sur la plaque d'introduction supérieure et / ou inférieure (8, 9), par ex. des jauges d'allongement (16) et, entre les plaques d'introduction supérieure et inférieure (8, 9), des capteurs de course de l'intervalle de presse efficaces (15).
- Procédé selon la revendication 1 ou 2, caractérisé en ce que le profil d'introduction respectif est réglé en fonction de courbes de compression, déterminées en laboratoire.
- Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le réglage et la surveillance du profil d'introduction de la gueule d'introduction (E) ont lieu en continu pendant l'exploitation de la presse (1).
- Procédé selon la revendication 1 à 4, caractérisé en ce que la déformation de la gueule d'introduction (E) et les pressions de compression, qui en résultent, sont examinées dans les mats de matières à presser (2) à comprimer, quant à l'admissibilité et / ou la vraisemblance, dans le dispositif de commande / de régulation (17) et que des signaux de commande / de régulation correspondants ne sont transmis aux agencements cylindre / piston (13), en vue du réglage du profil d'introduction de la gueule d'introduction (E) qu'après validation.
- Procédé selon l'une des revendications. 1 à 5, caractérisé en ce que la contre-pression du mat de matières à presser (2), à escompter à cause de l'introduction du mat de matières à presser (2) dans la gueule d'introduction (E), est simulée ou déterminée à l'extérieur de la presse (1) avec un dispositif de mesure de déformation de mats de matières à presser.
- Procédé selon l'une des revendications 1 à 6, caractérisé en ce que la contre-pression du mat de matières à presser (2), à escompter à cause de l'introduction du mat de matières à presser (2) dans la gueule d'introduction (E), est calculée à partir de paramètres initiaux lors de la fabrication du mat de matières à presser (2), par ex. la densité de dispersion, la hauteur des mats, ainsi que, éventuellement, la pression de préformage.
- Procédé selon l'une des revendications 1 à 7, caractérisé en ce que le profil d'introduction de la gueule d'introduction (E) est détecté en continu au moyen du dispositif de mesure de déformation des panneaux (14) et est examiné, conjointement avec les pressions de compression qui se produisent, dans le mat de matières à presser (2), quant à l'admissibilité et / ou la stabilité.
- Procédé selon l'une des revendications 1 à 8, caractérisé en ce que, dans le cas de valeurs, qui se situent en dehors d'une plage d'admissibilité, pour la déformation de la gueule d'introduction (E) et / ou de la pression de compression qui se produit, les agencements cylindre / piston (13) sont mis en circuit sans pression par le dispositif de commande / de régulation (14).
- Procédé selon l'une des revendications 1 à 9, caractérisé en ce que l'ensemble de la zone de pressage, donc la gueule d'introduction (E) et les plaques de pression (6, 7), pouvant être chauffées, adjacentes, est surveillé.
- Presse (1), en particulier presse en continu (1), pour le pressage de mats de matières à presser (2) pour produire des plaques de matières pressées au cours de la fabrication de panneaux de particules, de panneaux de fibres et autres panneaux en matériau dérivé du bois, pour exécuter le procédé selon l'une des revendications 1 à 10, avec une partie inférieure de presse (3) et une partie supérieure de presse (4), avec gueule d'introduction (E) et avec des plaques d'introduction (8, 9), faisant saillie côté introduction, pouvant être chauffées et à haute élasticité en flexion, lors de la formation de la gueule d'introduction,
au moins un mécanisme (12) étant prévu en vue du réglage du profil d'introduction de la gueule d'introduction (E), qui présente une pluralité d'agencements cylindre - piston (13), en particulier des cylindres différentiels (13), suivant une distribution prédéterminée,
les agencements cylindre - piston (13) étant articulés d'une part sur la plaque d'introduction supérieure et / ou inférieure (8, 9), appuyés d'autre part contre la partie supérieure de la presse (4) et / ou la partie inférieure de la presse (3) et étant raccordés à un système hydraulique grâce à un dispositif de commande / de régulation (17), caractérisée en ce que
pour la plaque d'introduction supérieure ou inférieure (8, 9), il est prévu au moins un dispositif de mesure de déformation des panneaux (14) et que ce dispositif de mesure de déformation des panneaux (14) est raccordé au dispositif de commande / de régulation (17),
le profil d'introduction étant présélectionné en fonction d'au moins les propriétés des matières à presser respectives, de la hauteur respective des mats, de la densité respective de la dispersion de la matière à presser, le cas échéant d'un réglage de préformage et de l'épaisseur de la plaque, à produire respectivement et commandé ou régulé et surveillé au moyen au moins d'un dispositif de mesure de déformation des panneaux, qui détecte une déformation de la plaque d'introduction supérieure / inférieure et qui est raccordé au dispositif de commande / de régulation. - Presse (1) selon la revendication 11, caractérisée en ce que le dispositif de mesure de déformation des panneaux (14) est constitué par une pluralité de capteurs de course de l'intervalle de presse (15), qui analyse le profil d'introduction de la gueule d'introduction (E) et des détecteurs de déformation (17), apposés sur la plaque d'introduction supérieure et / ou inférieure (8, 9), par ex. des jauges d'allongement (16).
- Presse selon la revendication 10 ou 11, caractérisée en ce que le dispositif de mesure de déformation des panneaux (14) est constitué en tant que détecteur optique, qui analyse le profil d'introduction de la gueule d'introduction (E), par ex. une caméra vidéo ou un dispositif de détection dispositif à sources lumineuses.
- Presse selon l'une des revendications 11 à 13, caractérisée en ce que le dispositif de mesure de déformation des panneaux (14) est constitué en tant que dispositif de détection combiné, composé d'un ou de plusieurs des capteurs ou détecteurs selon les revendications 12 à 13.
- Presse selon l'une des revendications 11 à 14, caractérisée en ce qu'il est prévu un dispositif de mesure de déformation de mats de matières à presser externe en vue de la détermination de la déformation de mats de matières pressées, à escompter du fait du profil d'introduction de la gueule d'introduction (E).
- Presse selon la revendication 11, avec des bandes de pressage en acier, qui circulent sans fin dans la partie inférieure de la presse et la partie supérieure de la presse,
les bandes de pressage en acier étant appuyées contre les plaques de pression, avec intercalage de tables de cylindres,
caractérisée en ce que le calculateur est en liaison avec les capteurs de déplacement (22) et / ou le système de pression concerné en tant que calculateur de surveillance (24), qui examine, en fonction du réglage ou de la position extrême des plaques de pression respectives, les tensions qui résultent de l'écartement des plaques de pression et / ou de la pression des plaques de pression, quant à la vraisemblance et à la surcharge éventuelle des plaques de pression (6, 7) concernées et ne valide le réglage ou la position extrême des plaques de pression, respectivement choisie, qu'en cas d'admissibilité. - Presse selon la revendication 11, avec partie inférieure de la presse et partie supérieure de la presse, avec des bandes de pressage en acier, qui circulent sans fin dans la partie inférieure de la presse et la partie supérieure de la presse et avec une gueule d'introduction,
les bandes de pressage en acier étant appuyées contre les plaques de pression et les plaques d'introduction, avec intercalage de tables de cylindres,
caractérisée en ce que le calculateur est en liaison avec les capteurs de déplacement (20) et / ou le système de pression concerné en tant que calculateur de surveillance (19), qui examine, en fonction du profil d'introduction, respectivement réglé, les tensions qui résultent de l'écartement des plaques d'introduction et / ou de la pression des plaques d'introduction, quant à la vraisemblance et à la surcharge éventuelle des plaques d'introduction (8, 9) concernées et ne valide le profil d'introduction, respectivement réglé, qu'en cas d'admissibilité. - Presse selon la revendication 16 ou 17, caractérisée en ce que le calculateur de surveillance (19, 24) détermine, en cas de réglage des plaques de pression et / ou de réglage du profil d'introduction non acceptable, une valeur limite pour le réglage des plaques de pression et / ou le profil d'introduction, en fonction de la hauteur des mats, du matériau des mats et / ou de l'épaisseur d'extrémité des plaques.
- Presse selon la revendication 16 ou 17, caractérisée en ce que le calculateur de surveillance (19, 24) détermine, en cas en cas de réglage des plaques de pression et / ou de réglage du profil d'introduction non admissible, une valeur limite pour la hauteur des mats et / ou le matériau des mats et / ou l'épaisseur d'extrémité des plaques, en conservant le réglage des plaques de pression et / ou du profil d'introduction réglé.
- Presse selon la revendication 16 ou 17, caractérisée en ce que le calculateur de surveillance (19, 24) détermine, en cas de réglage des plaques de pression et / ou de réglage du profil d'introduction non admissible, une valeur limite pour la vitesse des mats et l'accélération des mats, en conservant le réglage des plaques de pression choisi et / ou le profil d'introduction réglé.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03020741A EP1371466B1 (fr) | 1997-09-13 | 1998-09-09 | Presse pour le pressage en continu |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19740325A DE19740325C5 (de) | 1997-09-13 | 1997-09-13 | Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten |
DE19740325 | 1997-09-13 | ||
DE19829742 | 1998-07-03 | ||
DE19829742A DE19829742C1 (de) | 1998-07-03 | 1998-07-03 | Kontinuierliche Presse |
DE19829741A DE19829741C1 (de) | 1998-07-03 | 1998-07-03 | Verfahren und Presse zum Verpressen, insbesondere kontinuierlichen Verpressen |
DE19829741 | 1998-07-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020741A Division EP1371466B1 (fr) | 1997-09-13 | 1998-09-09 | Presse pour le pressage en continu |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0901894A2 EP0901894A2 (fr) | 1999-03-17 |
EP0901894A3 EP0901894A3 (fr) | 1999-05-12 |
EP0901894B1 true EP0901894B1 (fr) | 2004-11-24 |
Family
ID=27217743
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020741A Expired - Lifetime EP1371466B1 (fr) | 1997-09-13 | 1998-09-09 | Presse pour le pressage en continu |
EP98117030A Expired - Lifetime EP0909620B1 (fr) | 1997-09-13 | 1998-09-09 | Presse continue pour le pressage de nattes en panneaux |
EP98117029A Expired - Lifetime EP0901894B1 (fr) | 1997-09-13 | 1998-09-09 | Procédé et presse pour le pressage, en particulier pressage en continu |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020741A Expired - Lifetime EP1371466B1 (fr) | 1997-09-13 | 1998-09-09 | Presse pour le pressage en continu |
EP98117030A Expired - Lifetime EP0909620B1 (fr) | 1997-09-13 | 1998-09-09 | Presse continue pour le pressage de nattes en panneaux |
Country Status (5)
Country | Link |
---|---|
US (2) | US6098532A (fr) |
EP (3) | EP1371466B1 (fr) |
CN (2) | CN1076258C (fr) |
CA (2) | CA2244283C (fr) |
DE (2) | DE59810212D1 (fr) |
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US7354543B2 (en) * | 2005-09-28 | 2008-04-08 | Weyerhaeuser Company | Manufactured wood product press |
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US20090077924A1 (en) * | 2007-09-21 | 2009-03-26 | Ainsworth Lumber Co., Ltd. | Methods of manufacturing engineered wood products |
JP5416766B2 (ja) * | 2008-05-26 | 2014-02-12 | パネル・ボード・ホールディング・ビーブイ | 粒子材料を結合させることによる物品の製造方法及び装置 |
US20090320697A1 (en) * | 2008-06-27 | 2009-12-31 | Mario Antonio Rago | Continuous press and method for manufacturing composite materials with progressive symmetrical pressure |
CN101508127B (zh) * | 2009-03-23 | 2013-09-25 | 中国福马机械集团有限公司 | 连续压制压制品坯料的连续压机 |
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CN102285139B (zh) * | 2011-06-01 | 2014-07-09 | 上海板机电气制造有限公司 | 一种平板式连续压机的控制装置 |
CN102259372A (zh) * | 2011-08-05 | 2011-11-30 | 青岛国森机械有限公司 | 一种长规格竹木集成材压制设备 |
US9458298B2 (en) | 2012-10-01 | 2016-10-04 | Georgia-Pacific Chemicals Llc | Methods for making lignocellulose containing composite products |
US9586338B2 (en) | 2012-10-01 | 2017-03-07 | Georgia-Pacific Chemicals Llc | Methods for making lignocellulose containing composite products |
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US9587077B2 (en) | 2013-03-14 | 2017-03-07 | Georgia-Pacific Chemicals Llc | Methods for making composite products containing lignocellulose substrates |
ES2745751T3 (es) | 2013-03-14 | 2020-03-03 | Georgia Pacific Chemicals Llc | Composiciones de aglutinante y métodos de preparación y uso de las mismas |
US9587115B2 (en) | 2014-04-02 | 2017-03-07 | Georgia-Pacific Chemicals Llc | Methods for making lignocellulose composite products |
EP3126401A4 (fr) | 2014-04-02 | 2017-02-15 | Georgia-Pacific Chemicals LLC | Procédés de fabrication de produits composites de lignocellulose comportant des liants d'oxydation et un catalyseur métallique complexé |
US9617427B2 (en) | 2014-04-02 | 2017-04-11 | Georgia-Pacific Chemicals Llc | Methods for making lignocellulose composite products with oxidative binders and encapsulated catalyst |
CA3051619C (fr) * | 2015-05-15 | 2020-05-19 | Usnr/Kockums Cancar Company | Presse modulaire |
KR101686968B1 (ko) * | 2015-08-12 | 2016-12-28 | 주식회사 진관 | 단열판재 성형장치 |
US10889716B2 (en) | 2016-05-26 | 2021-01-12 | Georgia-Pacific Chemicals Llc | Binders containing an aldehyde-based resin and an isocyanate-based resin and methods for making composite lignocellulose products therefrom |
WO2018023095A1 (fr) | 2016-07-29 | 2018-02-01 | Georgia-Pacific Chemicals Llc | Procédés de fabrication de produits composites avec des liants contenant des isocyanates bloqués |
US11400676B2 (en) | 2016-10-06 | 2022-08-02 | SWISS KRONO Tec AG | Wood material panel pressing device and method for monitoring a wood material panel pressing device |
PT3305513T (pt) * | 2016-10-06 | 2019-12-03 | SWISS KRONO Tec AG | Dispositivo de prensagem para placas de derivados de madeira e processo para supervisionar um dispositivo de prensagem de placas de derivados de madeira |
CN107913890A (zh) * | 2016-10-08 | 2018-04-17 | 肇庆市高新区创客科技有限公司 | 一种环保型垃圾处理设备 |
IT201600105117A1 (it) * | 2016-10-19 | 2018-04-19 | Sacmi | Macchina per la compattazione di materiale in polvere |
DE102017110301A1 (de) * | 2017-05-11 | 2018-11-15 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Verfahren zur Überwachung wenigstens einer Komponente eines Rollstangenteppichs einer kontinuierlich arbeitenden Presse, Überwachungsvorrichtung und kontinuierlich arbeitende Presse |
DE102017110995A1 (de) * | 2017-05-19 | 2018-11-22 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorpresse und System zum kontinuierlichen Herstellen von Werkstoffplatten, Verfahren zum Einbringen oder Entnehmen des Pressenbandes und Transportvorrichtung zum Aufnehmen des Pressenbandes |
WO2019219161A1 (fr) * | 2018-05-14 | 2019-11-21 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Procédé de surveillance d'au moins un élément d'un tapis roulant à tiges d'une presse fonctionnant en continu, dispositif de surveillance et presse fonctionnant en continu |
CN108995193A (zh) * | 2018-09-06 | 2018-12-14 | 浙江冠森新材料有限公司 | 一种防止木塑板材变形的模压机 |
DE102019000767B4 (de) * | 2019-02-02 | 2021-03-25 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Vorrichtung und Verfahren zur Dämmplattenherstellung |
US20240009886A1 (en) * | 2019-10-18 | 2024-01-11 | Välinge Innovation AB | Methods and arrangements for continuous manufacture of building panels |
DE102020000570A1 (de) * | 2020-01-29 | 2021-07-29 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Verfahren zur Überwachung eines Stahlbandes in einer kontinuierlichen Presse und kontinuierliche Presse |
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US3942929A (en) * | 1972-03-08 | 1976-03-09 | Bison-Werke Bahre & Greten Gmbh & Co. Kg | Continuously operating press |
DE3133817C3 (de) * | 1981-08-27 | 1996-02-08 | Siempelkamp Gmbh & Co | Vorrichtung zum kontinuierlichen Pressen von Preßgutmatten |
DE3734180C2 (de) * | 1987-10-09 | 1998-01-29 | Kuesters Eduard Maschf | Doppelbandpresse zur Herstellung von Holzspanplatten und dergleichen |
DE4042531C3 (de) * | 1990-10-15 | 2002-02-07 | Dieffenbacher Gmbh Maschf | Kontinuierlich arbeitende Presse |
DE4301594C2 (de) * | 1993-01-21 | 2002-10-31 | Dieffenbacher Gmbh Maschf | Verfahren und Anlage zur Herstellung von Spanplatten |
DE4433643C1 (de) * | 1993-12-11 | 1996-02-08 | Siempelkamp Gmbh & Co | Kontinuierliche Presse für die Herstellung von Spanplatten, Faserplatten, Laminatplatten und ähnlichen Preßgutplatten |
DE4405342B4 (de) * | 1994-02-19 | 2004-05-27 | Maschinenfabrik J. Dieffenbacher Gmbh & Co | Kontinuierlich arbeitende Presse |
DE4433641C1 (de) * | 1994-09-21 | 1995-11-02 | Siempelkamp Gmbh & Co | Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten |
DE4446091A1 (de) * | 1994-12-22 | 1996-06-27 | Dieffenbacher Gmbh Maschf | Pressengestell |
DE19518879A1 (de) * | 1995-05-28 | 1996-12-05 | Dieffenbacher Gmbh Maschf | Verfahren und Anlage zur Herstellung von Spanplatten |
-
1998
- 1998-09-09 EP EP03020741A patent/EP1371466B1/fr not_active Expired - Lifetime
- 1998-09-09 EP EP98117030A patent/EP0909620B1/fr not_active Expired - Lifetime
- 1998-09-09 DE DE59810212T patent/DE59810212D1/de not_active Expired - Lifetime
- 1998-09-09 EP EP98117029A patent/EP0901894B1/fr not_active Expired - Lifetime
- 1998-09-09 DE DE59812293T patent/DE59812293D1/de not_active Expired - Lifetime
- 1998-09-14 CN CN98124377A patent/CN1076258C/zh not_active Ceased
- 1998-09-14 CN CNB981243762A patent/CN1188259C/zh not_active Expired - Lifetime
- 1998-09-14 CA CA002244283A patent/CA2244283C/fr not_active Expired - Lifetime
- 1998-09-14 US US09/152,941 patent/US6098532A/en not_active Expired - Lifetime
- 1998-09-14 CA CA002244284A patent/CA2244284C/fr not_active Expired - Lifetime
- 1998-09-14 US US09/152,931 patent/US6142068A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0909620A3 (fr) | 1999-05-19 |
EP0901894A2 (fr) | 1999-03-17 |
US6142068A (en) | 2000-11-07 |
CN1188259C (zh) | 2005-02-09 |
DE59812293D1 (de) | 2004-12-30 |
DE59810212D1 (de) | 2003-12-24 |
US6098532A (en) | 2000-08-08 |
CA2244284C (fr) | 2002-05-28 |
CA2244284A1 (fr) | 1999-03-13 |
CN1224651A (zh) | 1999-08-04 |
EP1371466A1 (fr) | 2003-12-17 |
EP0909620B1 (fr) | 2003-11-19 |
EP0909620A2 (fr) | 1999-04-21 |
CA2244283A1 (fr) | 1999-03-13 |
CN1076258C (zh) | 2001-12-19 |
EP0901894A3 (fr) | 1999-05-12 |
EP1371466B1 (fr) | 2011-06-29 |
CN1224650A (zh) | 1999-08-04 |
CA2244283C (fr) | 2003-07-29 |
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