专利摘要:
Shaping plant (1) for producing a composite (2), in particular fiber-plastic composite (2), with a first bearing (3) in which, preferably fiber-reinforced, base support (4) are mounted, a transport device (5) for removing a base support (4) from the first bearing (3), a tray (6) on which the base carrier (4) removed by the transport device (5) can be deposited, a second bearing (7) in which reinforcing elements (8) are mounted, wherein at least one reinforcing element (8) of the transport device (5) on the tray (6) located on the base support (4) can be placed, a joining device (9) for connecting the reinforcing element (B) with the base support (4) into a composite (2), a heating device (1 0), in which the composite (2) of the transport device (5) is transportable and in which the composite (2) is heatable above the melt temperature of the composite (2) plastic forming, and a form Machine (11), in which the heated composite (2) is compressible and consolidatable.
公开号:AT514721A1
申请号:T676/2013
申请日:2013-08-30
公开日:2015-03-15
发明作者:Paul Zwicklhuber;Michael Dipl Ing Dr Fischlschweiger;Sebastian Dipl Ing Fh Picheta;Peter Dipl Ing Egger
申请人:Engel Austria Gmbh;
IPC主号:
专利说明:

The invention relates to a shaping system for producing a composite, in particular a fiber-plastic composite. In addition, the invention relates to a method for producing such a composite.
Fiber-reinforced plastics are of increasing importance in engineering as a construction material. Short fiber reinforced plastics have been used for decades to specifically adjust the properties of the plastic so that they can fulfill their purpose. Since the demands on stiffness and weight saving have increased steadily in recent years and the various matrix systems could increase their strength only slightly, the mechanical properties of the reinforcing fiber or the length of the reinforcing fibers have a significant importance for the mechanical properties. These increased demands called for the way from long fiber reinforcement to continuous fiber reinforcement. Both thermoset and thermoplastic matrix systems are used for these fiber-plastic composites. While continuous fiber-reinforced plastics with duroplastic matrix materials have been used for aircraft components for about six decades, the thermoplastic continuous fiber-reinforced components have become increasingly important only in recent years.
In general, such fiber composites have the advantage that, depending on the intended use, the properties can be tailored. The custom tailoring begins with the selection of the matrix and the various matrix adhesion promoters that improve the matrix sizing adhesion and ends with the reinforcing fibers and their sizing.
Another factor that has driven the development of continuous fiber reinforced plastics is lightweight construction. Due to the low densities of plastics and fibers, it is possible to develop a high strength and stiff fiber composite with a low density. Furthermore, the individual fiber materials have excellent mechanical properties, some of which are even above steel. Therefore it is with the material combination fiber and
Matrix possible to generate very light composites. Therefore, such fiber composites have recently been used very often in transportation, on the one hand to reduce operating costs and, on the other hand, to reduce CO 2 emissions. As an example, for civil aviation, the Boeing 787 is called. There, 50 percent by weight of composites were used, which reduced the weight of the aircraft by about 20 percent. Furthermore, such composite structures are also installed in vehicles in order to lower the vehicle weight and thus also CO 2 emissions. An example of vehicle construction is the BMW Project i. For the two examples mentioned, a thermoset matrix was used. For thermoplastic matrix systems, the processing processes are still in the developmental stage.
The GMT process (GMT = glass mat reinforced thermoplastics) describes a process in which a semi-finished product is produced in a first step. This semi-finished product consists of a glass fiber mat and a polymer melt. In GMT semis production, a glass fiber mat is charged with a polymer melt and then the two components are heated in a double belt press, consolidated, pressed and finally cooled again. Such a half tool must then be heated again above the melting temperature for the processing process and can then be pressed in a cooling press. Since no polymerization takes place in this process, shorter cycle times are achieved compared to reactive processes. The major disadvantage of this method is the Wirrfasem used in which there is no preferential orientation of the fibers and the mechanical properties of the fiber are not optimally utilized, thus a tailoring of the starting material for a resulting product is not possible.
An advancement of the GMT procedure are organo sheets. In the production of Organoblechen no tangled mats are used here for reinforcement directed Endlosfasem. Organic sheets are built up layer by layer, with the reinforcing material sandwiched between two plastic sheets. This sandwich of reinforcing material and
Plastic films are then melted in a double belt press, consolidated under pressure and then cooled again. Subsequently, the organo sheets are cut off in the desired length. Thus, it would theoretically be possible to vary the reinforcing fibers and the fiber angles in a targeted manner, in order to produce a tailor-made semi-finished product. Since such a Maßschneiderung but each is dependent on the component and the fiber blend is increased at layer angles between 0 ° and 90 °, the production costs of such semi-finished products and thus also the price increase. Another disadvantage of this method is that local thickness jumps can be realized only by stepped rolls transversely to the production direction, the further processing is the same as that in the GMT process. The semifinished product is heated again above the melt temperature and can then be transformed or functionalized.
The documents WO 2009/042225 and WO 2013/016487 specify a further solution for the production of semi-finished products. The starting material is a fiber-reinforced semi-finished product. This semi-finished product is available as a fiber-reinforced tape and will be referred to as "tape". During the processing process, the tapes are unwound from a bobbin, cut to length and laid down in a defined manner on a tool surface. When laying down the tapes on the tool surface, the tapes are fixed and then welded. A wide variety of fiber angles can be realized because the tool surface can be rotated around the Z axis. Thus, this process can be used to create tailor-made semi-finished products that allow both thickness jumps and a wide variety of fiber angles. However, this process is so time-consuming that the semi-finished products have to be produced offline and can not be coupled directly to further processing. Thus, this method is suitable only for small batches, which have a highly complex fiber and layer structure. For large-scale production, however, this process is unsuitable because, on the one hand, semi-finished product production determines the cycle time and, on the other hand, in-line solutions are preferred by the industry. Would you use wider tapes to reduce the number of individual tape strips and thus the production time of the
To reduce semi-finished products, the waste area automatically becomes larger and therefore the costs for the semifinished product and the economy decrease. Therefore, wider tapes make the process only a little more economical.
The object of the present invention is therefore to provide an improved over the prior art Fomngebungsanlage and an improved manufacturing method. In particular, the production of the composite should be as fast, easy, inexpensive and possible in large quantities.
This is achieved by a shaping system having the features of claim 1. Accordingly, the shaping system comprises a first bearing in which, preferably fiber-reinforced, base support are mounted, a transport device for removing a base support from the first bearing, a tray on which the removed from the transport device base can be stored, a second bearing, in the reinforcing elements are mounted, wherein at least one reinforcing element of the transport device on the tray located on the base support can be placed, a joining device for connecting the reinforcing element to the base support to a composite, a heating device, in which the composite of the transport device is transportable and in the composite is heatable to above the melt temperature of a compound co-forming plastic, and a molding machine in which the heated composite is compressible and consolidatable. Thus, the semifinished costs can be reduced by using standard semifinished products as starting material in a process and a plant, which can be intelligently combined in that production line in which the final processing takes place. This makes it possible to customize the mechanical properties of a specific product by means of a local tailoring. This process is therefore also suitable for large-scale production, since, as mentioned above, the semifinished product costs are reduced by the targeted use of local reinforcements, because the semifinished product is no longer reinforced over the entire surface but only at the required points.
To be able to deposit the base carrier and the reinforcing elements (tapes) as accurately as possible, a positioning device for positioning the base carrier on the tray and / or the reinforcing element on the base carrier is preferably provided. According to a first embodiment, it may be provided that the positioning device has a sliding device and at least one stop formed on the tray, wherein the sliding of the base carrier and / or the reinforcing element is movable to the stop in a desired position. On the other hand, according to a second, alternative embodiment variant, the positioning device has at least one position sensor and a control program via which the actual position of the base carrier and / or the reinforcing element detected by the at least one position sensor relative to the storage evaluable and comparable to a stored or calculated in the control program target position is comparable, wherein the control program control pulses to the transport device can be transmitted and from the transport device, the base support and / or the reinforcing member is movable to the desired position. As a position sensor, for example, a pressure sensor, a limit switch, a laser, a weight sensor and / or a camera directed to the tray function. Particularly preferably, the deposition process is camera-controlled, wherein the images of the camera are evaluated graphically and at least one value to a control program, preferably to the control or regulating unit of the entire shaping system, is transmitted. Based on these evaluations, the filing of the reinforcing elements can then be corrected. Furthermore, quality characteristics can also be defined with these recordings. The camera can be attached to the transport device. Preferably, however, the camera is arranged stationary in the storage area. In principle, the desired position can thus either be calculated and checked or achieved mechanically. Of course, mixed variants are possible.
As such, the tray can be located anywhere on the forming line. It is important that the tray is easily accessible from the transport device. For this purpose, the tray can be integrated, for example, in the first camp. The tray can also be part of the heating device. Preferably, however, it is provided that the tray is formed on a separate storage table.
No matter where the tray is arranged, but may preferably be provided that the tray has a vacuum plate for positionally secure holding the base support. In addition, a turntable may be provided with at least one axis of rotation on which the tray can be fastened or which forms the tray.
In principle, the joining or joining of the reinforcing element to the base carrier can take place, for example, by gluing or the like. Preferably, however, the joining device has an ultrasonic sonotrode in order to heat the surfaces of the two adjoining components and to soften them so that they are cohesively connected to one another after cooling. To make the entire process as efficient as possible, it can be provided that the joining device is mounted on the transport device.
The reinforcing element is preferably designed as a reinforcing tape. Preferably, this tape is made based on polyamide 6 with a unidirectional glass fiber reinforcement. The base support is preferably a fiber-reinforced thermoplastic semi-finished product. Alternatively, the base support can also be replaced by a metallic or other carrier material. Thus, the composite is basically formed on the one hand by the base support and on the other hand by the reinforcing element. At least one of these composite components should have plastic components, as a result of which the composite-whether by heating with the joining device or by heating with the heating device-becomes more easily deformable. Preferably, both composite components at least on plastic parts. Both composite components preferably also have fiber reinforcements.
It should also be stated that basically the heating device can form the joining device. It must therefore not both be designed as separate stations of the shaping system, but on the one hand by the heating device, the joining of the reinforcing element with the
Basic carrier and on the other hand, simultaneously or sequentially, the heating of the entire composite done. Conversely, only the heat treatment with the joining device may be sufficient for the entire composite to be heated simultaneously, so that in such a case the joining device simultaneously forms the heating device. Preferably, however, the joining device and the heating device form functionally separate stations of the shaping system, wherein they may well be close to each other locally or may be integrated in a common station.
The transport device itself can be arbitrarily formed, for example in the form of a conveyor belt. However, it is preferably provided that the transport device is a handling robot. In order to be able to handle the basic carrier and the reinforcing element, the transport device or the handling robot preferably has gripping elements (eg adhesion grippers or gripping tongs). Of course, the molding machine may also include multiple parallel or serial handling robots.
Furthermore, the shaping system can also comprise a cutting device, wherein the reinforcing elements can be cut to size by the cutting device before being deposited on the base carrier. If necessary, it can also be used to cut the basic beams themselves.
In principle, diverse, independent systems can serve to control the individual stations of the shaping installation. But to ensure a clear and automatic flow in the entire shaping system, a control or regulating unit for controlling or regulating the shaping system may be provided, wherein at least the transport device, the joining device, the heating device and the forming machine together by this one control or Control unit are controlled or regulated. Preferably, all stations in the shaping system mH are connected to this single control or regulation unit. Preferably, the control program of the positioning device is part of the control unit. Particularly preferably, the operating unit, which is in most cases already present on the shaping machine, functions as a central control or regulating unit.
The shaping machine may be in the form of a press or injection press. However, the molding machine is preferably an injection molding machine.
The object according to the invention is also achieved by a method having the features of claim 16. Accordingly, the steps of removing a basic carrier by a transporting device from a first bearing in which, preferably fiber-reinforced, basic carrier are stored, depositing the basic carrier removed from the transport device on a tray, removing a reinforcing element by the transport device from a second bearing, in the reinforcing elements depositing the reinforcing member onto the underlying carrier, bonding the reinforcing member to the carrier by a joining device, transporting the composite into a heating device, heating the composite in the heating device to above the melt temperature of a composite co-forming plastic and pressing and consolidating the heated composite provided in a molding machine. In principle, the individual process steps can also take place in a different order, as far as possible. Preferably, the method is carried out exactly in the step sequence specified in claim 16, wherein quite some of the time steps may partially or completely overlap. As a final step, it is also possible to functionalize the composite in the forming machine. Preferably, the base support and / or the reinforcing element is also stored by a positioning device in a desired position on the tray or moved to the desired position.
Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the exemplary embodiments illustrated in the drawings. Show:
Pig. 1 shows schematically the entire shaping system with the individual
stations
2 shows a further schematic representation of individual stations,
3 to 7 schematically the individual process steps,
8 shows schematically the base carrier attached to a turntable,
Fig. 9 shows schematically a detail of the transport device together with joining device and
10 and 11 show two variants of a separating device for the reinforcing elements.
Fig. 1 shows schematically a shaping system 1 with various stations. As a starting point for the production of the composites 2, preferably fiber-plastic composites, a plurality of Grundträgem 4 is stored in the first camp 3. In the second bearing 7, the reinforcing elements 8 (reinforcing tapes) are mounted. Furthermore, a tray 6 is provided, which is formed on the separate storage table 19, wherein the base support 4 and / or the reinforcing element 8 may optionally be previously cut in a cutting device 26. Stationary in this tray table, the camera 18 is arranged, which forms part of the positioning device 12. Furthermore, the transport device 5 is shown in the form of a handling robot 23. At the gripping elements 24 of this handling robot 23, the composite 2 is held, which consists of the base support 4 and the reinforcing element 8, which have been connected by the joining device 9. Next, the heating device 10 is shown, after which the molding machine 11, in the concrete case follows an injection molding machine. This machine comprises, on the one hand, an injection unit 29 for injecting plastic melt and, on the other hand, the closing unit 30 with platens and spars. In addition, the operating unit is attached to this forming machine 11, which forms the control or regulation unit 25 for the entire shaping system 1. This control unit 25 has a screen 27 and a control panel 28 with keys. In addition, the control program 16 for the positioning device 12 is part of this control or regulating unit 25. The control unit is connected via the signal line 39 to the individual stations of the shaping system.
In Fig. 2 is shown schematically in a plan view that the base support 4 and the reinforcing elements 8 are in a common bearing 3 and 7.
From the transport device 5 is just a basic carrier taken over the gripping elements 24. The image underneath shows the positioning device 12, which has two exposure sources 32 and, as a position sensor 15, the camera 18.
With this camera 18, the actual position Pist of the base support 4 and the reinforcing element 8 is checked and adjusted with a stored and calculated in the control program 16 target position Psoll. If there is a deviation, the control program 16 sends a corresponding control signal 17 to the transport device 5, which immediately carries out a position correction. Alternatively, the positioning device 12 may also be formed purely mechanically. For this purpose, the slide device 13 and the arranged on the tray 6 stop 14 is indicated in Fig. 2 by dashed lines. Furthermore, in this Fig. 2, the tool-forming mold halves 31 can be seen, which are clamped in the region of the closing unit 30 of the molding machine 11. In addition, heating device 10 for thermoplastic components is shown from above.
The process sequence is shown clearly in FIGS. 3 to 7. In Fig. 3, the transport device 5 takes straight from the first bearing 3, a fiber-reinforced base support 4, which is stored defined on the tray 6 of the tray 19. 4, a reinforcing element 8 from the second bearing 7 and puts it on the base support 4. Then, according to FIG. 5 by the joining device 9 by means of ultrasonic waves of the ultrasonic sonotrode 22 of the base support 4 and the reinforcing element 8 at least once cohesively connected with each other. This process of inline Maßschneiderung can be repeated as often, until the base support 4 has the desired gain. The new composite material (fiber-plastic composite 2) is then picked up again by the transport device 5 and transported to the heating device 10 according to FIG. 6. In this heating device, the composite 2 is heated to a temperature in which the plastic portion of the composite 2 at least partially melts, whereby the composite 2 is more easily deformable. An exemplary temperature range is for one
Composite 2 based on PA6 210 ° C to 280 ° C. The heated composite 2 is then picked up again by the transport device 5 and transported into the open mold of the forming machine 11 for forming or functionalizing (see FIG. 7). Finally, the tool is closed and the composite 2 pressed and consolidated, optionally functionalized. By functionalizing, for example, grafting of a rib structure, encapsulation of the composite 2 or encapsulation of inserts can be meant. Eventually, a final quality control, for example, with a camera (flash thermography) can be performed.
If a base support 4 is to be reinforced on both sides, then a turntable 21 is needed, which makes it possible to rotate the component about at least one axis A (see FIG. 8). In order to accommodate the base support 4, the turntable 21 has a frame 33 and holding means 34. Since the basic carriers 4 (semifinished products) are usually not very rigid components, for the joining of tapes (reinforcing elements 8) on the base carrier 4, a stamp can extend on the back to contact the base carrier 4 to locally absorb the joining pressure.
FIG. 9 shows the joining device 9 arranged on the transport device 5, which device is designed as an ultrasonic welding device with an ultrasonic sonotrode 22. Of the transport device 5, the two gripping elements 24 (for example, adhesive gripper, vacuum suction, clamping elements or the like) can be seen, via which the reinforcing element 8 is held.
Since the stiffening elements 8 (tapes) can charge electrostatically and thus adhere to one another, the singling device 35 according to FIG. 10 is intended to guarantee that the tapestries are separated. In order to be able to selectively separate the tapes 8, the bearing 7 is arranged above a conveyor belt 36. This conveyor belt 36 has a slightly sticky surface or is constructed similar to a vacuum plate and thus a good contact between the conveyor belt 36 and tape 8 is ensured. To subsequently only a tape 8 herauszufördem out of the bearing 7, the bearing 7 has an opening which is only slightly higher than the tape thickness. In order to press the individual tapes 8 down, an unrepresented punch for exerting a force F on the individual tapes 8 may be provided. The separated tape 8 can then be received by the transport device 5. Since there is the possibility that the tapes 8 electrostatically charging and thus two tapes 8 can adhere to each other, it is possible to equip the bearing 7 with metallic brushes, which derive this charge. Thus, the tapes 8 can no longer adhere electrostatically to each other. Furthermore, it is also conceivable that the electric charge is discharged directly on the gripper of the transport device 5.
Another way to separate the tapes 8 is shown in Fig. 11. The function is similar to that of a sheet feeder on a printer. The tapes 8 and a rubberized roller 37 are pressed against each other, then the roller 37 begins to rotate and thus conveys a tape 8 on the receiving table. The end position of the tape 8 can be defined either by the number of revolutions of the roller 37 or by a limit switch 38. In order to separate the tapes 8 here, the gap between rubberized roller 37 and bearing 7 is designed so that only a single tape 8 can be removed. Again, 40 force F for raising the tapes 8 can be exercised over a punch. In this Fig. 11, the receiving table is designed as a vacuum plate 38, in the same manner, the tray 6 may be formed in the form of such a vacuum plate 38.
If a camera 18 or an entire camera system is present, a camera 18 can also look at the bearings 3 and 7. These data are then evaluated again by means of image processing. Depending on this data, the transport device can then be instructed accordingly. If the camera 18 is arranged in the region of the gripping elements 24, it is possible to additionally monitor the component receptacle or the component deposit and to correct it if necessary.
The present invention thus achieves that a fiber-reinforced semifinished product (base carrier 4) is purposefully reinforced with a second fiber-reinforced semifinished product (reinforcing element 8) "in-line". Here, "inline" means that the semi-finished product combination takes place in the finishing process. Following the
Combining the interconnected semi-finished products are heated above the melting temperature and finally the semi-finished products are consolidated in a tool of a Fomngebungsmaschine 11 and reshaped and / or functionalized.
Innsbruck, 30th August 2013
权利要求:
Claims (18)
[1]
1. shaping system (1) for producing a composite (2), in particular a fiber-plastic composite, with - a first bearing (3) in which, preferably fiber-reinforced, base support (4) are mounted, - a transport device (5 ) for removing a base carrier (4) from the first bearing (3), - a tray (6) on which the carrier (4) removed by the transport device (5) can be deposited, - a second bearing (7), in which Reinforcement elements (8) are mounted, wherein at least one reinforcing element (8) of the transport device (5) on the tray (6) located on the base support (4) can be placed, - a joining device (9) for connecting the reinforcing element (8) the base support (4) into a composite (2), a heating device (10) into which the composite (2) of the transport device (5) is transportable and in which the composite (2) to above the melt temperature of the composite ( 2) co-forming plastic fs is heatable, and - a forming machine (11) in which the heated composite (2) is compressible and consolidatable.
[2]
2. Forming system according to claim 1, with a positioning device (12) for positioning the base support (4) on the tray (6) and / or the reinforcing element (8) on the base support (4).
[3]
3. Forming system according to claim 2, wherein the positioning device (12) has a sliding device (13) and at least one on the tray (6) formed stop (14), wherein of the pusher (12) of the base support (4) and / or Reinforcing element (8) is movable to the stop in a desired position (Psoll).
[4]
4. shaping system according to claim 2, wherein the positioning device (12) at least one position sensor (15) and a control program (16) via which the at least one position sensor (15) detected actual position (Pist) of the base support (4) and / or of the reinforcing element (8) relative to the tray (6) or relative to the base carrier (4) is evaluable and with a stored in the control program (16) or calculated target position (Psoll) is comparable, wherein the control program (16) control pulses ( 17) can be transmitted to the transport device (5) and by the transport device (5) of the base support (4) and / or the reinforcing element (8) in the desired position (Psoll) is movable,
[5]
5. Forming system according to claim 4, wherein as a position sensor (15) a pressure sensor, a limit switch (38), a laser, a weight sensor and / or on the tray (6) directed camera (18) acts.
[6]
6. shaping system according to claim 5, wherein the camera (18) either stationary on the tray (6) mounted or, preferably movable, on the transport device (5) is attached.
[7]
7. shaping system according to one of claims 1 to 6, wherein the tray (6) - in the first bearing (3) is integrated or - is designed as a separate storage table (19) or - in the heating device (10) is integrated.
[8]
8. Forming system according to one of claims 1 to 7, wherein the tray (6) has a vacuum plate (20) for positionally stable holding the base support (4).
[9]
9. Forming system according to one of claims 1 to 8, with a at least one axis (A) movable turntable (21) on which the tray (6) can be fastened or on which the tray (6) is formed.
[10]
10. Forming system according to one of claims 1 to 9, wherein the joining device (9) has an ultrasonic sonotrode (22).
[11]
11. Forming system according to one of claims 1 to 10, wherein the joining device (9) on the transport device (5) is mounted.
[12]
12. Molding system according to one of claims 1 to 11, wherein the transport device (5) comprises a handling robot (23), which preferably has gripping elements (24).
[13]
13. Forming system according to one of claims 1 to 12, with a control or regulating unit (25) for controlling or regulating the shaping system (1), wherein at least the transport device (5), the joining device (9), the heating device (10) and the Forming machine (11) together from this one control or regulating unit (25) are controlled or regulated.
[14]
14. shaping system according to claim 4 and claim 13, wherein the control program (16) of the positioning device (12) is part of the control unit (25).
[15]
15. Forming system according to one of claims 1 to 14, with a cutting device (26), wherein of the cutting device (26), the reinforcing elements (8) before being deposited on the base support (4) are cut to size.
[16]
16. A method for producing a composite (2), in particular in a shaping system (1) according to one of claims 1 to 15, comprising the steps of: - removing a base support (4) by a transport device (5) from a first bearing (3) in which, preferably fiber-reinforced, base support (4) are mounted, - depositing of the transport device (5) removed base support (4) on a tray (6), - removing a reinforcing element (8) by the transport device (5) from a second bearing (7) in which reinforcing elements (8) are mounted, - depositing the reinforcing element (8) on the base support (4) located on the support (6), - connecting the reinforcing element (8) to the base support (4) a joining device (9) to a composite (2), preferably to a fiber-plastic composite, - transporting the composite (2) in a heating device (10), - heating the composite (2) in the heating device (10) on a over the Schme temperature of a plastic forming the composite (2); and - pressing and consolidating the heated composite (2) in a forming machine (11).
[17]
The method of claim 16, wherein the composite (2) is functionalized in the forming machine (11).
[18]
18. The method of claim 16 or 17, wherein the base support (4) and / or the reinforcing element (8) by a positioning device (12) in a desired position (Psoll) on the tray (6) are stored. Innsbruck, 30th August 2013
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DE102016121215A1|2016-10-07|2018-04-12|Rehau Ag + Co|Plastic component, as well as methods for controlling the proper installation of at least one plastic component|
DE102017006863A1|2017-07-19|2019-01-24|INPRO Innovationsgesellschaft für fortgeschrittene Produktionssysteme in der Fahrzeugindustrie mbH|Method for the in-line production of a lightweight component in hybrid construction, such as a vehicle body to be provided with hybrid structures|
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AT521904A2|2018-12-11|2020-06-15|Engel Austria Gmbh|Molding machine|
DE102019200321A1|2019-01-14|2020-07-16|Volkswagen Aktiengesellschaft|Process for draping flat semi-finished products|
DE102019212832A1|2019-08-27|2021-03-04|Zf Friedrichshafen Ag|Apparatus and method|
CN112659582A|2020-12-16|2021-04-16|北京机科国创轻量化科学研究院有限公司|Composite material hot press forming device|
法律状态:
优先权:
申请号 | 申请日 | 专利标题
ATA676/2013A|AT514721B1|2013-08-30|2013-08-30|Shaping plant for producing a fiber-plastic composite|ATA676/2013A| AT514721B1|2013-08-30|2013-08-30|Shaping plant for producing a fiber-plastic composite|
DE102014012204.2A| DE102014012204A1|2013-08-30|2014-08-18|Shaping plant for creating a fiber-plastic composite|
CN201410642417.8A| CN104512039A|2013-08-30|2014-08-29|Forming apparatus for manufacturing fiber-plastic composite structure products|
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