EP2249980A1 - Vorrichtung für das explosionsumformen - Google Patents
Vorrichtung für das explosionsumformenInfo
- Publication number
- EP2249980A1 EP2249980A1 EP08871795A EP08871795A EP2249980A1 EP 2249980 A1 EP2249980 A1 EP 2249980A1 EP 08871795 A EP08871795 A EP 08871795A EP 08871795 A EP08871795 A EP 08871795A EP 2249980 A1 EP2249980 A1 EP 2249980A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- impact
- breaker
- impact crusher
- ignition
- impact breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/06—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
- B21D26/08—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves generated by explosives, e.g. chemical explosives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49805—Shaping by direct application of fluent pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49805—Shaping by direct application of fluent pressure
- Y10T29/49806—Explosively shaping
Definitions
- the invention relates to an apparatus for explosive forming, with the features of the preamble of claim 1.
- An ignition tube connects an explosion chamber in the workpiece interior with a gas supply, venting and ignition device, wherein the ignition device is integrated into the ignition tube.
- the ignition gas arranged in the ignition tube ignites the gas, oxyhydrogen in a stoichiometric mixture with a slight excess of oxygen.
- the explosion of the gas develops into a detonation wave, which transforms the workpiece and then expires.
- the invention is therefore based on the object to improve a device of the type mentioned in that the detonation wave can develop well, the explosion process can run more orderly and that the Zündmechänismus has a longer life.
- the provided on the propagation path of the detonation wave shock breaker reduces the energy of the detonation wave whereby the device can be protected against high mechanical loads and thus also against permanent damage.
- the strong mitigation of the reflected shock wave already causes an extension of the life of the ignition mechanism.
- the impact crusher can be arranged between the ignition location and the ignition space exit.
- the detonation wave which returns through the Zündraumausgang can be mitigated in their energy.
- the shock breaker For example, the explosion propagating from the ignition location can develop sufficiently to reshape the workpiece as it passes through the mold.
- the impact crusher can be arranged closer to the ignition location than the ignition chamber outlet. This has the advantage that the developing detonation wave, after passing through the impact crusher, remains an adequate distance through the ignition space in order to unfold, but the reflected detonation wave is reduced in its energy on reaching the impact crusher.
- the impact crusher can be arranged directly at the ignition location.
- the ignition device is still effectively protected against the reflected detonation wave. Nevertheless, the explosion can still be triggered there and develop from there.
- the impact crusher can be arranged on the side facing away from the ignition of the mold.
- the detonation wave is attenuated after passing through the mold by the impact crusher in its energy.
- the explosion energy may be well-developed in the detonation wave until the detonation wave reaches the mold.
- the impact crusher can be arranged directly on the mold on the side facing away from the ignition.
- the detonation wave passing through the mold can thus be dampened in its energy immediately after passing through the mold.
- the impact crusher may be located closer to the end of the device opposite the ignition location. The reaction from the detonation wave striking the impact crusher to the mold could thus be reduced.
- the impact crusher forms the end of the device opposite the ignition location.
- the impact crusher could act as a scattering element, which strikes the detonation wave.
- the impact crusher can be arranged within a support tube which can be attached to the mold on the side remote from the ignition location of the molding tool.
- the support tube could be made of a different material than the impact crusher and simplify the construction of the impact crusher as an insert.
- the impact crusher in unit with the support tube may be designed as an end piece. This tail could connect directly to the mold and complete the device on the opposite side of the ignition space. A longer discharge path for the detonation wave could be omitted in this way.
- the impact crusher has and / or generates a curved and / or reduced passage with respect to the ignition space cross section or the support tube cross section. These transmission modes can consume a significant amount of energy for the reflected detonation wave.
- At least one impact crusher element can be provided, which is at least partially spaced from and forming a passage with the Zündrauminnenwandung or Stützrohrinnenwandung.
- the impact crusher element can be simple and thus stably constructed.
- a plurality of passages forming between the impact crusher elements may be provided.
- the flow resistance through the impact crusher may be smaller in the direction of flow away from the ignition location than towards the ignition location.
- the reflected detonation wave is reduced in energy to a much greater extent than the original explosion triggered by the ignition mechanism, and yet the ignition mechanism is protected when the impact crusher is located between the ignition location and the forming tool.
- the flow resistance through the impact crusher in the flow direction from the ignition location can be greater than towards the ignition location, and the impact crusher can be mounted on the side of the molding tool facing away from the ignition location.
- the shock wave energy can be withdrawn to a considerable extent even before it is reflected at the end of the device.
- the impact crusher can have at least one throttle check element. This allows the propagating explosion to pass through the impact crusher while the reflected detonation wave is decelerated by the recoil element in front of the ignition mechanism.
- the impact crusher may comprise at least one disposable element. This allows the explosion to pass through the impact crusher while intercepting the reflected detonation wave from the disposable element prior to reaching the ignition mechanism.
- the impact crusher can have a larger surface area than the ignition space inner surface or support tube inner surface adjacent to the impact crusher. This can lead to increased friction with respect to the length of the impact crusher and thus to an improved reduction in the energy of the reflected detonation wave.
- the ignition space cross section and / or the support tube cross section in the region of the impact crusher can be increased. This creates an increased space especially for complex impact crushers.
- the impact crusher may have at least one branch off-going from a main passage.
- the detonation wave can be split, whereby likewise the energy of the detonation wave is divided and can be reflected and absorbed several times in the area of the branching.
- the at least one branch may be at least partially branched. This creates a multiplicity of branch points at which the detonation wave can be split up.
- the at least one branch can be closed at its end, whereby the detonation wave can remain inside the impact crusher.
- At least one of the branches can form a filling channel for fluid.
- the liquid used in a variant of the explosion design could be introduced into the device via the impact crusher.
- the explosive could be introduced into the interior of the device via the filling channel.
- the propagation space in the device may be connected via the branch with a propagation volume. The detonation wave could thus be at least partially conducted over the impact crusher in a propagation volume to decay.
- a filling device for fluid may be arranged on the side of the molding tool facing away from the ignition location.
- the structure of the device on the Zündortseite could be simpler and equipped with fewer connections.
- the impact crusher has a labyrinth structure. Due to the large surface area, the long labyrinth path and the multiple diversion of the reflected detonation wave, an effective deceleration of the same can be achieved.
- the impact crusher can have at least one labyrinth element and / or a plurality of impact crusher elements forming a labyrinth structure. Depending on the situation, it may be better to form the labyrinth from one or more labyrinth elements or from several elements that together form a labyrinth structure.
- the first is recommended z. For example, in a small space, while the second option can be simpler and cheaper to manufacture.
- the passage may be formed approximately meander-shaped.
- the meander shape with its diverse and strong deflections can reduce the energy of the reflected detonation front very effectively.
- the impact crusher may comprise at least one disc-like impact crusher element with at least one passage through the disc.
- the disc can provide a large baffle in the form of its face with low manufacturing cost.
- the impact crusher element is designed as a cylindrical disk. As a result, it can be stably formed while providing a long passage for reducing the energy of the reflected detonation front.
- the impact crusher element can have a branched passage system. Straight branching points can significantly reduce the energy of the reflected detonation wave.
- the impact crusher element may be formed sponge, braid and / or ball-like. These embodiments can effectively mitigate the detonation wave and have sufficient life.
- At least one impact breaker element may be formed as a deflection wall. With deflection walls, the detonation wave can be easily steered and controlled.
- the deflection wall is polygonal in its course. In this way, an additional attenuation of the energy of the reflected detonation wave is achieved.
- a plurality of bulk-like juxtaposed shock-breaker elements can be provided.
- the bulk-like arrangement causes a good weakening of the reflected wave detonation, and on the amount and type of impact breaker elements, the desired impact breaker effect can be easily selected.
- a plurality of spaced-apart butt-breaker elements can be arranged offset one behind the other in the flow direction and transversely to the flow direction.
- At least two shock-breaker elements arranged one behind the other can be arranged overlapping one another.
- the resulting labyrinthine structure with narrowed passages can decelerate the reflected detonation wave particularly well.
- the impact crusher may contain steel and / or copper beryllium (CuBe). Because of their toughness and simultaneous hardness, these materials are particularly well suited for use as impact crushers.
- CuBe copper beryllium
- the impact crusher can be arranged at least partially exchangeable. As a result, material fatigue or material removal can be prevented in good time by easy maintenance.
- the explosives can be supplied on the opposite side of the Zündraumausgang the shock absorber.
- the explosive supply can also be protected by the impact crusher.
- the explosive supply between impact breaker and Zündraumausgang done.
- sufficient ignition means can be supplied to the ignition mechanism for ignition, while the explosion is favored in its deployment and its growth after the impact breaker.
- FIG. 1 is a schematic representation of the invention
- FIG. 2a to j show several schematic embodiments of the impact crusher from FIG. 1 or FIG. 8, FIG.
- FIG. 3a, b show a detailed embodiment of the impact crusher from FIG. 1 or FIG. 8, FIG.
- FIG. 5 shows a further schematic embodiment of the impact crusher from FIG. 1 or FIG. 8,
- FIG. 6 shows an additional schematic embodiment of the impact crusher from FIG.
- Figure 7 shows a schematic embodiment of a shock breaker carrier for a
- FIG. 8 is a schematic representation of an additional embodiment of the invention.
- FIG. 9 a schematic representation of a further embodiment of the impact crusher from FIG. 1 or FIG. 8,
- FIG. 10 shows an additional schematic illustration of an embodiment of the impact crusher from FIGS. 1 or 8, and FIG.
- FIG. 11 shows a schematic representation of a further embodiment of the impact crusher, and a schematic representation of the propagation space or a filling device
- Figure 12 is a schematic representation of another embodiment of the impact crusher, arranged at the end of the device of Figure 1 or Figure 8.
- FIG. 1 shows an ignition device 1 for the explosive deformation of a workpiece 3 inserted in a molding tool 2.
- the workpiece 3 is indicated in dotted line in its outline, and the molding tool 2 is broken off with its upper and lower halves.
- the ignition device 1 has an ignition mechanism 4 and an ignition chamber 5, which directly adjoins the ignition mechanism 4 in this embodiment in the form of an ignition tube.
- the ignition mechanism 4 has a Zündort 6, symbolically represented here by a spark, on which an explosive is ignited. The explosive reaches via at least one of the Explosionsffenzubowen 7 after passing through a valve 22 in the ignition mechanism 4.
- the ignited in the ignition 6 explosive propagates with an explosion front in the ignition chamber 5 and the explosion front leaves this via the Zündraumausgang 8, which adjoins the mold 2 and the workpiece 3 located therein is connected.
- the device with fluid such as water is filled.
- a shock breaker 9 is provided, which is located here in the ignition space 5.
- the system boundaries of the impact crusher 9 are shown in dashed line, and a double-jawed element 10 symbolically denotes at least one impact crusher element 10 wherein it is indicated that the flow mung resistance in the direction of the mold 2 is smaller from the direction of the mold 2.
- the impact breaker 9 is disposed closer to the ignition point 6 than at the Zündraumausgang 8 and has outer walls 11, which pass into those of the ignition space 5.
- the explosive can be supplied via explosives 7 directly to the ignition mechanism 4 and thus the ignition point 6 and / or on the opposite side of the shock absorber 9 the ignition chamber 5.
- the flow direction 36 is marked with an arrow, which simultaneously describes the propagation path 37 of the detonation wave. A reflected detonation wave propagates substantially along the propagation path 37 but opposite to the flow direction 36 in the device.
- the octagonal-prismatic impact breaker element 10 and the outer walls 11 define therebetween an arcuate as well as reduced passageway 12 through which both the original and the reflected detonation wave must pass.
- the end faces 13 of the impact crusher element 10 reduce the energy of the shaft.
- FIG. 2 b two hexagonal-prismatic impact-breaker elements 10 lying flat against the outer walls 11 form a curved and reduced labyrinth-like passage 12 for the detonation wave.
- a breakwater act here the edges of the flow direction behind the other and overlapping each other arranged Stoßbrecheremia 10th
- FIG. 2c three impact breaker elements 10 arranged one behind the other in the flow direction and offset transversely thereto are used.
- the cube-shaped impact crusher elements 10 are oriented with their edges in the flow direction 36.
- In a second plane parallel to the plane of three cubic shock-breaker elements 10 are shown in dashed lines, offset from those described above. This produces a labyrinth-like structure with angled, reduced passages 12.
- walls arranged transversely to the direction of flow are as impact breaker elements
- the impact crusher elements 10 are used to force the detonation wave through a labyrinthine, meandering passage 12.
- the impact crusher elements 10 extend adjacent to the outer walls 11 of the impact crusher 9, transversely to the flow direction 36, approximately perpendicular to the Ignition space.
- the figure 2d can also be understood that the impact breaker elements 10 are only partially inclined to the flow direction 36 of the detonation wave.
- two impact crusher elements 10 are arranged without spacing relative to the outer walls 11 of the impact crusher 9 in the flow direction 36 one behind the other. Their curved, reduced passage 12 and the series connection results in a labyrinth structure of individual labyrinth elements.
- FIG. 2f in contrast to FIG. 2e, a plurality of L-shaped impact breaker elements 10 are arranged such that a labyrinth structure for an approximately Z-shaped passage 12 results between them.
- FIG. 2g shows a single-curved passage 12 as a shock breaker 9, whose outer walls 11 adjoin the ignition space 5.
- FIG. 2h shows a coil-type impact crusher element 10, which rebounds the detonation wave many times and deflects it like a labyrinth.
- This ball-like impact breaker element 10 is partly on the outer walls 11 of the impact crusher 9, partly it is spaced therefrom.
- FIGS. 2a to 2h can also be understood as meaning that the corresponding impact crusher has surface elements which are inclined relative to the direction of flow 36 of the detonation wave and which form the impact crusher elements 10, on which the detonation wave can be reflected many times and thereby partially absorbed.
- FIG. 2i makes use of the symbolism of the hydraulics to represent a disposable element 14 as a shock-breaker element 10. This is to describe a shock-breaker element 10 which allows the propagating explosion wave to pass while blocking its reflection in the reverse flow direction.
- This disposable element 14 is not necessarily a valve as known from hydraulics.
- FIG. 2j has a throttle check element 15 as a shock breaker element 10.
- This contains a disposable element 14 as in FIG. 2i and a throttle element, which is to be equated with a curved and / or reduced passage 12.
- the throttle check element 15 is not necessarily a valve.
- To be expressed is a construction that lets the explosion through in its propagation direction and in hinders their direction of reflection.
- the flow resistance through the impact breaker 9 in the flow direction from the ignition space exit 8 to the ignition location 6 is greater than that from the ignition location 6 to the ignition space exit 8.
- FIGS. 3 a and b show a first detailed embodiment of an impact crusher 9, in which three impact crusher elements 10 together form a labyrinth structure in the form of a multiply curved passage 12.
- the rotationally symmetrical impact crusher 9 is shown in section, wherein the three impact crusher elements 10 are not cut.
- These are cylindrical disc-like impact crusher elements 10, each of which has a bore 16 and a groove 17 as passage through the disc or past the disc. Because the cylinder-disk-shaped shock-breaker elements 10 are arranged in phase relationship with respect to their bores 16 and grooves 17 in the flow direction, the part of the detonation wave flowing through the impact-breaker elements 10 is redirected several times.
- the cylindrical disks 10 are arranged at a distance from the outer walls 11 of the impact crusher 9, so that an additional passage 12 is produced at this point.
- the impact breaker 9 or the impact breaker elements 10 can be mounted and maintained in a simple manner via a thread 23.
- the passage 12 is enlarged, but then tapered again so that the impact crusher elements 10 can not get into the adjacent ignition space 5 or into the support tube 25.
- this provides for above-mentioned reduction of the passage 12th
- FIG. 4 shows a further impact crusher 9 with cylinder-disk-shaped impact crusher elements 10.
- FIG. 4a shows a section through the rotationally symmetrical impact crusher 9, with the impact crusher elements 10, four in number, being cut along.
- the cylindrically shaped impact crusher elements 10 are here symmetrically constructed labyrinth elements.
- a labyrinth structure results here merely by juxtaposing in the flow direction 36.
- These impact crusher elements 10 are immovably on the outer wall 11 of the impact crusher 9. Starting from the ignition point 6 is the propagating explosion wave, a passage 12 is available, which tapers conically towards the impact crusher elements 10 and then reduced continues.
- the cylindrically shaped impact crusher elements 10 each have two bores 16 transversely to the flow direction 36, which are connected to each other via recesses 17 attached laterally. Lä ⁇ gsboh- ments from the side of the end faces 13 from each end at the holes 16. As a result, the passage 12 is first branched in T-shape, in order then to be brought together again via a second T-shape. The outlet of a butt breaker element 10 abuts the inlet of the next butt breaker element 10.
- FIG. 4b shows two of the impact crusher elements 10 from FIG. 4a in different rotated perspectives. Due to the branched passage system, it is irrelevant how the impact breaker elements 10 are arranged one behind the other in the flow direction.
- the impact crusher 9 consists of an octagonal-prismatic impact crusher element 10 whose end faces 13 are aligned as impact surfaces in the flow direction 36.
- the impact crusher element 10 is laterally flanked by two deflecting walls 18 which continue the outer contour of the impact crusher element 10 at a parallel distance therefrom.
- the outer wall 11 of the impact crusher 9 is extended laterally of the impact crusher element 10 and the deflecting walls 18 and also follows, at a parallel distance to the deflecting walls 18, the outer contour of the octagonal-prismatic Stoßbrecherelements 10.
- the passage 12 between the impact crusher element 10 and outer walls 11 each divided and diverted.
- the passage 12 widens like a vessel through the impact crusher 9, so that a plurality of bulk-material-like butt-crushing elements 10 located next to each other are accommodated in its expansion.
- a catcher 19 This applies in particular to impact breaker elements 10, which are smaller than the corresponding passage 12 and a securing in the direction of gravity and the rebounding detonation wave.
- the catcher 19 is formed like a net, but it may also have blocking struts, which narrow the passage 12 such that no impact breaker element 10 passes through. The catcher 19 thus acts flow permeable and bulk solids blocking.
- this impact crusher 9 has a substantially larger surface area than the ignition space inner surface adjacent to the impact crusher 9.
- the dashed line 20 indicates a way to disconnect the assembly and maintenance of the two impact breaker half shells.
- FIG. 7 shows a gap arrangement of a plurality of here, prismatic, prismatic, impact breaker elements 10 on a shock breaker carrier 21.
- the impact breaker elements 10 can be easily replaced.
- the impact breaker 9 or the impact breaker elements 10 contains steel and / or copper beryllium (CuBe).
- FIG. 8 shows a schematic view of a device 29 according to the invention, in which the impact crusher 9 is arranged on the side of the molding tool 2 facing away from the ignition location 6.
- the impact crusher 9 can be arranged directly adjacent to the molding tool 2, at a distance thereto or at the end of the support pipe 25.
- two valves 22 are provided, one being located at the ignition location 6 and the other at the support tube 25.
- the valves 22 can on the one hand serve for the supply of explosive 7, but also as a filling device for fluids, such as water.
- the impact crusher 9 could also be arranged on the side of the molding tool 2 facing the ignition location 6, or a plurality of impact crushers 9 could be provided on the propagation path of the detonation shaft. Furthermore, the orientation of the symbol for the impact breaker elements 10 is rotated by 180 degrees relative to the representation in FIG. 1 in order to indicate that in this exemplary embodiment the flow resistance of the impact breaker 9 in the flow direction 36 is greater than toward the ignition location 6. In this case, the detonation wave can be attenuated after passing through the mold 2 already at the end of the device 29 in their energy. However, the impact crusher 9 could also be arranged in the same way as in FIG. 1, so that the detonation wave is initially attenuated less or not at all when it passes through, so that it is refracted by the impact crusher 9 after the reflection at the end 38 of the device 29.
- FIG. 9 shows a further embodiment of an impact breaker 9, which has a main passage 30 and a branch 26.
- the branch has sidewalls 33, which are inclined to the main passage. The inclination of the side walls 33 is conceivable at any angle to the main passage 30. Only one branch 26 is shown, although a plurality of such branches may be formed at a plurality of angles to the main passage 30. At its end, the branch 26 is closed. It can thereby be achieved that the detonation wave remains within the impact crusher 9 and can not act on the support tube 25 possibly surrounding the impact crusher 9 or the ignition chamber 5.
- At least the support tube 25 or the ignition space 5 in the region of the impact crusher can be made of a different material than the impact crusher, which preferably consists of resistant material, as mentioned above.
- the impact crusher 9 may be circular in cross-section, which facilitates assembly within a pipe or tubular member. However, it is also conceivable any deviating cross-section, for example, polygonal shapes.
- FIG. 10 shows an embodiment of the impact crusher 9, which is designed as a single impact crusher element 10 and is arranged within a support tube 25.
- the impact crusher element 10 has a lateral branch 26, which is open at its end and forms a filling channel 35 with an omission 34 in the support tube 25, by means of which fluid, for example water, can be filled into the propagation space of the device 29 or else the explosive agent supply 7 can be trained.
- the propagation space extends inside the device from the ignition point 6 to the end 38 of the device.
- the impact crusher 9 has a round cross-sectional shape, which, however, could also be formed in some other way square.
- FIG. 11 shows a further embodiment of an impact crusher 9, which is designed as a single impact crusher element 10, wherein the impact crusher element 10 has a multiplicity of lateral branches, which are partially branched and branched, and an exemplary branch, which has a channel 27 with a propagation space 27 connected is.
- the detonation wave can here partly leave the impact crusher, as well as the support tube 25, to be weakened in the propagation space 27 in their energy.
- the propagation space 27 may be filled with gas, liquid or solids.
- the main passage 30 opens into a reflection surface 32, which is hemispherical in this embodiment.
- the reflection surface 32 may also have another shape such as a dome shape or pyramidal or the like.
- the reflection surface 32 is designed as part of a cover 31 in this exemplary embodiment. forms, which is removably attached to the support tube 25 in this embodiment and is formed together with the support tube 25 and the impact crusher 9 as an end piece.
- FIG. 12 shows a further exemplary embodiment of an impact breaker 9 according to the invention, which is attached to the end 38 of the device 29 and has a plurality of reflection surfaces 32.
- the reflection surfaces form in such a way that in each case two reflection surfaces 32 oppose each other at an opening angle and thus result in triangular recesses on the impact crusher 9 seen from the side.
- the figure can also be understood to mean that it is a cross-section and as indicated by the dashed lines within the impact crusher 9, the recesses have a pyramidal shape.
- the incident from the flow direction 36 detonation wave can be broken several times, so that the energy of the impinging detonation wave is divided on a variety of reflected back at different angles shock waves.
- the maximum energy which can occur after reflection at the impact crusher 9 in a reflected back shock wave can thus be reduced with respect to the detonation wave.
- the impact breaker 9 may be provided in this embodiment, without additional holding devices in a direction indicated by the outer dashed lines support tube at the end 38.
- a reflection of the detonation wave at the smooth end 38 of the device 29 can be avoided in the present embodiment by using the impact crusher 9.
- the detonation wave can be scattered directly at the impact crusher 9 by hitting the plurality of reflection surfaces 32.
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Disintegrating Or Milling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Vibration Dampers (AREA)
- Air Bags (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Confectionery (AREA)
- Surgical Instruments (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08871795T PL2249980T3 (pl) | 2008-01-31 | 2008-09-19 | Urządzenie do kształtowania wybuchowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008006979A DE102008006979A1 (de) | 2008-01-31 | 2008-01-31 | Vorrichtung für das Explosionsumformen |
PCT/EP2008/007901 WO2009095042A1 (de) | 2008-01-31 | 2008-09-19 | Vorrichtung für das explosionsumformen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2249980A1 true EP2249980A1 (de) | 2010-11-17 |
EP2249980B1 EP2249980B1 (de) | 2011-08-31 |
EP2249980B9 EP2249980B9 (de) | 2012-02-22 |
Family
ID=40786550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08871795A Not-in-force EP2249980B9 (de) | 2008-01-31 | 2008-09-19 | Vorrichtung für das explosionsumformen |
Country Status (12)
Country | Link |
---|---|
US (1) | US8713982B2 (de) |
EP (1) | EP2249980B9 (de) |
CN (1) | CN101970148B (de) |
AT (1) | ATE522296T1 (de) |
BR (1) | BRPI0822038A2 (de) |
CA (1) | CA2713659A1 (de) |
DE (1) | DE102008006979A1 (de) |
ES (1) | ES2369838T3 (de) |
MX (1) | MX2010008467A (de) |
PL (1) | PL2249980T3 (de) |
RU (1) | RU2487775C2 (de) |
WO (1) | WO2009095042A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103743638A (zh) * | 2014-01-06 | 2014-04-23 | 安徽理工大学 | 爆炸波模拟复合加载装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005025660B4 (de) | 2005-06-03 | 2015-10-15 | Cosma Engineering Europe Ag | Vorrichtung und Verfahren zum Explosionsumformen |
DE102006037754B3 (de) | 2006-08-11 | 2008-01-24 | Cosma Engineering Europe Ag | Verfahren und Vorrichtung zum Explosionsumformen |
DE102006037742B4 (de) | 2006-08-11 | 2010-12-09 | Cosma Engineering Europe Ag | Verfahren und Vorrichtung zum Explosionsumformen |
DE102006056788B4 (de) | 2006-12-01 | 2013-10-10 | Cosma Engineering Europe Ag | Verschlusseinrichtung für das Explosionsumformen |
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2008
- 2008-01-31 DE DE102008006979A patent/DE102008006979A1/de not_active Ceased
- 2008-09-19 AT AT08871795T patent/ATE522296T1/de active
- 2008-09-19 US US12/865,266 patent/US8713982B2/en active Active
- 2008-09-19 MX MX2010008467A patent/MX2010008467A/es active IP Right Grant
- 2008-09-19 CN CN200880126045.6A patent/CN101970148B/zh active Active
- 2008-09-19 PL PL08871795T patent/PL2249980T3/pl unknown
- 2008-09-19 ES ES08871795T patent/ES2369838T3/es active Active
- 2008-09-19 RU RU2010135870/02A patent/RU2487775C2/ru not_active IP Right Cessation
- 2008-09-19 WO PCT/EP2008/007901 patent/WO2009095042A1/de active Application Filing
- 2008-09-19 EP EP08871795A patent/EP2249980B9/de not_active Not-in-force
- 2008-09-19 CA CA2713659A patent/CA2713659A1/en not_active Abandoned
- 2008-09-19 BR BRPI0822038-7A patent/BRPI0822038A2/pt not_active IP Right Cessation
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CN103743638A (zh) * | 2014-01-06 | 2014-04-23 | 安徽理工大学 | 爆炸波模拟复合加载装置 |
Also Published As
Publication number | Publication date |
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ES2369838T3 (es) | 2011-12-07 |
CN101970148B (zh) | 2016-08-03 |
CN101970148A (zh) | 2011-02-09 |
US20100326158A1 (en) | 2010-12-30 |
WO2009095042A1 (de) | 2009-08-06 |
PL2249980T3 (pl) | 2011-12-30 |
EP2249980B1 (de) | 2011-08-31 |
RU2010135870A (ru) | 2012-03-10 |
MX2010008467A (es) | 2010-10-07 |
RU2487775C2 (ru) | 2013-07-20 |
DE102008006979A1 (de) | 2009-08-06 |
EP2249980B9 (de) | 2012-02-22 |
CA2713659A1 (en) | 2009-08-06 |
BRPI0822038A2 (pt) | 2015-07-21 |
ATE522296T1 (de) | 2011-09-15 |
US8713982B2 (en) | 2014-05-06 |
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