EP1234922A1 - Verfahren und Vorrichtung zum Herstellen eines plattenförmigen schallabsorbierenden Elementes - Google Patents
Verfahren und Vorrichtung zum Herstellen eines plattenförmigen schallabsorbierenden Elementes Download PDFInfo
- Publication number
- EP1234922A1 EP1234922A1 EP01810168A EP01810168A EP1234922A1 EP 1234922 A1 EP1234922 A1 EP 1234922A1 EP 01810168 A EP01810168 A EP 01810168A EP 01810168 A EP01810168 A EP 01810168A EP 1234922 A1 EP1234922 A1 EP 1234922A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- layer
- shaped
- holes
- punching device
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002250 absorbent Substances 0.000 title 1
- 239000011162 core material Substances 0.000 claims abstract description 42
- 238000004080 punching Methods 0.000 claims description 44
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 15
- 238000005553 drilling Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B2001/742—Use of special materials; Materials having special structures or shape
- E04B2001/748—Honeycomb materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8461—Solid slabs or blocks layered
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
- E04B2001/8485—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the opening being restricted, e.g. forming Helmoltz resonators
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
- E04B2001/849—Groove or slot type openings
Definitions
- the present invention relates to a method of manufacturing a plate-shaped sound absorbing element according to the The preamble of claim 1 and a device for carrying it out of the procedure.
- Plate-shaped sound absorbing elements are known, composed of a plate-shaped core material and at least one plate-shaped layer, which are connected to each other.
- the a surface of this plate-shaped core material is covered by this layer.
- Holes are drilled into this first layer in a grid-like arrangement. The diameter of these holes is small, a maximum of about 2 mm, while the hole spacing is less than 1 cm, which means that from one a certain distance for a viewer these holes in the plate-shaped sound absorbing Element are no longer visible.
- the viewer then takes a surface true, in which only the material-specific structures are recognizable, as with a plate without holes. This can add to sound-absorbing requirements also requirements in aesthetic terms be fulfilled.
- a first object of the invention is a method for producing a plate-shaped sound-absorbing element create with which in a simple, quick and cost-effective way the Manufacturing can be done.
- An advantage of this method is that the first layer can be guided by itself through the punching device, through which in this first layer the holes are made and that this first Layer is then connected to the plate-shaped core material. ever depending on what material both the first layer and the plate-shaped Core material, the first layer can also be coated with the plate-shaped core material are connected, after which the thus formed Plate is passed through the punching device and the holes in the first layer are punched.
- Another advantage of this method is that a second layer on the back surface of the plate-shaped core material is applied, and that this second layer also has holes can be. Again, depending on the materials, possible to do this second layer by itself through the punching device Attach the holes, but this second layer can also are previously connected to the plate-shaped core material, after which the entire plate is passed through the punching device in order to punch the desired holes in the second layer.
- Another object of the invention is to carry out the method to create a punching device, which the attachment of Holes in the first and second layers of the plate-shaped sound absorbing Elementes in an efficient and simple manner, what according to the invention is achieved by the features listed in claim 7.
- the punches are advantageously in a stamp plate held, which is attached to the stamp device, and the punch in are arranged in a row, the entire width of a plate-shaped to be produced covers sound-absorbing element. This can result in this Element in one pass through the punching device Number of holes.
- this punching device exists in that the punch in several parallel aligned rows are arranged, the punch of each row with respect to the other Rows are staggered. This creates space for attaching the punch in the stamp plate, especially if the hole spacing is to be punched Element is very small.
- Another advantageous embodiment of the invention consists in that one in the machine frame and opposite the punch cooperating with this die plate is arranged.
- the first or second layer by itself through the punching device to make the holes, depending on the material, it is made of which these layers are formed is required to have good hole quality to get this matrix plate to help. If the first or second layer only after connecting to the plate-shaped core material for making the holes is passed through the punching device this matrix plate does not work.
- the punching device 1 sits with which the holes are made in the plate-shaped element 2 together from a machine frame 3 on which guide means 4 are attached are along which a stamping device 5 a lifting movement can perform.
- the stamp device 5 extends over the entire width of the Punching device 1, the stamp device is driven by an eccentric drive 6, via connecting rods 7, which are on both sides of the stamp device 5 are arranged, is connected to the stamp device 5.
- a stamp plate 8 is fastened to the stamp device 5, in which the punch 9 are used, which are on the stamp plate Support 8 mounting plate 10.
- the punch 9 protrude above the stamp plate 8, the front, punching area of the punch 9 protrudes into a guide plate 11 which this is provided with through holes.
- the guide plate 11 is with Guide pin 12 equipped, which a movement of the guide plate 11 in Allow stroke direction of the stamp device 5.
- compression springs 13 are attached, by which the Guide plate 11 is pushed away from the stamp plate 8. In this situation, fixed by heads 14 attached to the guide bolts 12 covers the Guide plate 11 from the front punching area of the punch 9.
- stamp plate 8 and the punch 9 is opposite a die plate is attached in the machine frame 3.
- This die plate 15 can be provided with openings in a known manner, which with the punch 9 match and can work with them like this is known in conventional punching processes.
- the respective plate-shaped element is used to punch the holes 2 between the guide plate 11 or the punching area of the Punches 9 and the die plate 15 passed step by step.
- feed means 16 are attached to the machine frame in a known manner, for the gradual advancement of the plate-shaped element 2 are responsible.
- the plate-shaped element 2 stands in a known manner during the punching process silent, the feed movement is exerted when the stamp device 5 is in the raised state.
- the feed length of one Feed step of the plate-shaped element 2 is in the feed means 16 adjustable, the feed means are also adjustable in a known manner 16 to different thicknesses of the plate-shaped element 2.
- the plate-shaped element 2 shows the punching area of this punching device 1, partly in the cut.
- the plate-shaped to be punched are shown here Element 2, the guide plate 11, the front guided in this guide plate Punching areas of the punch 9 and the die plate 15.
- the shown here plate-shaped element 2 is composed of a plate-shaped Core material 17, which is connected to a plate-shaped first layer 18 is that the one surface of the plate-shaped core material 17 with this first layer 18 is covered.
- the plate-shaped element 2 is so guided by the punching device that the first layer 18 against the punch 9 is directed.
- This first layer can be a wood veneer, for example be, while the plate-shaped core material 17 is formed from a particle board is.
- the first Layer 18 holes 19 punched Due to the correspondingly arranged punch in the stamp device 9, which arrangement will be discussed later, are in the first Layer 18 holes 19 punched.
- the first layer 18 is punched through here, the punched parts 20 are in the soft material of the plate-shaped Core material 17 pressed in and remain there. This will make a plate-shaped sound-absorbing element formed, the sound-absorbing Effect is optimal and that the desired aesthetic requirements Fulfills.
- the plate-shaped sound-absorbing element thus formed consisting of the plate-shaped core material 17 and the associated first layer 18 could easily be on top of the first layer 18 opposite side of the core material 17 applied a second layer become.
- This could also be provided with holes like that first layer, these holes having a different diameter and a different Can have arrangement. All that would be required was the punching device be converted accordingly.
- the material of the first layer 18 and / or the material of the plate-shaped core material 17 are not suitable, in accordance with the FIG. 2 described process can be punched, the plate-shaped first layer 18 or the plate-shaped second layer by itself through the Punching device are passed through, as shown in Fig. 3.
- the holes 19 are punched out by the punch 9, the holes in the Die plate 15 attached die openings 21 with the punch 9 interact in a known manner.
- the punched-out material 22 is hereby discharged through the die openings 21.
- the plate-shaped die-cut the first layer or second layer can then be made with the plate-shaped core material 17 are connected.
- Fig. 4a a single one of the punch 9 is shown, which in the Stamp plate 8 (Fig. 1) are used. Especially when the distance of the Holes that penetrate into the plate-shaped sound absorbing element are small, these punch 9 may not be in one Row across the width of the punching device or the width of the punched plate-shaped elements can be arranged. In such a In this case, for example, an arrangement can be selected as shown in FIG. 4b is shown.
- a first row 22 of punches 9 provided, each a three times the hole spacing a to have.
- This second row 24 of punches 9 is with respect to the first row 22 of punch 9 around the Hole spacing a offset.
- the distance of this second row 24 from the first Row 22 in the feed direction 23 corresponds to twice the distance b that the punched rows of holes 25 from each other.
- third row 26 of punch 9 provided with respect to the previous second Row 24 also has twice the distance b and at which the punch offset by the dimension a with respect to the previous second row 24 are.
- the plate-shaped element to be punched is gradually moved through the Punching device passed, the feed of one step each corresponds to the distance b. After each step advanced with the Punching the rows 22, 24 and 26 made the punching.
- 5 to 7 are examples of plate-shaped, sound-absorbing Shown elements according to the inventive method are manufactured.
- Fig. 5 such an element is shown, in which the plate-shaped core material 17 is honeycomb-shaped, with a plate-shaped first layer 18 and a plate-shaped second layer 27 is provided. These two layers 18 and 27 were made before the plate-shaped core material 17 have been connected to the holes 19th Mistake. It is also conceivable that one of the two layers 18 and 27 is unperforated is used depending on the application. As materials for these two Layers 18 and 27 and the plate-shaped core material 17 can for example Aluminum are used, it is also conceivable that the first layer 18 and the second layer 27 each consist of a gypsum fiber board, and that the plate-shaped core material is made of cardboard and also the Structure of a honeycomb. Other materials are of course also available conceivable, for example plastic. The materials can also be mixed become, i.e. the core material and the material of the layers can be different.
- honeycomb hexagonal structure which the plate-shaped core material can also have differently shaped structures can be used that have a similar structure, for example round or square.
- Fig. 6 an embodiment is shown in which the plate-shaped core material made of recycled glass, which with a first Layer 18 and a second layer 27 is provided. Again, these are two Layers 18 and 27 punched before joining to the core material Service.
- the plate-shaped first layer 18 and the plate-shaped second Layer 27 may be made of any suitable material, for example made of plastic, in particular mellanine resin, a wood veneer or the like.
- the plate-shaped core material 17 longitudinal grooves 28 have been introduced, each under a row of holes in the first layer 18 or the second layer 27 come. This will improve sound absorption, but it will also achieved that parts of the core material do not come out of the holes can.
- the plate-shaped Core material 17 is a particle board, while the plate-shaped first one Layer 18 and the plate-shaped second layer 27, for example wood veneer panels are. These materials can be attached before the punching process the holes 19, the first layer 18 and the second layer 27 with the plate-shaped Core material 17 are connected. Here too, for example one of the two layers 18 and 27 can be maintained unperforated.
- the surfaces of the first layer 18 or the second layer 27 are subjected to further treatments, depending of the materials, such as sanding and painting, what before or after the perforation has been made.
- the plate-shaped core material 17 can also be made of, for example foamed polyurethane exist, it is also conceivable that the polyurethane foam is reduced and the resulting grains are glued together again and a plate is formed, which in addition to optimal sound absorbing Skills is light weight. To the educated The corresponding layers can be applied to plate-shaped core material be made of virtually any plastic, wood, metal or the like can exist.
- Base material for the plate-shaped core could, for example also be lignin, e.g. B. in the form of a foam.
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (12)
- Verfahren zum Herstellen eines plattenförmigen, schallabsorbierenden Elements, welches aus einem plattenförmigen Kernmaterial (17) und mindestens einer plattenförmigen ersten Schicht (18) gebildet wird, die miteinander verbunden werden, so dass die eine Oberfläche des plattenförmigen Kernmaterials (17) mit dieser ersten Schicht (18) abgedeckt wird, und in welche erste Schicht (18) in rasterartiger Anordnung Löcher (19) angebracht werden, dadurch gekennzeichnet, dass mindestens die erste Schicht (18) durch eine Stanzeinrichtung (1) hindurchgeführt wird, und dass durch die Stanzeinrichtung (1) in dieser ersten Schicht (18) mindestens über einen Teil der Breite fortlaufend die in Reihe angeordneten Löcher (19) ausgestanzt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die erste Schicht (18) für sich allein durch die Stanzeinrichtung (1) hindurchgeführt wird und die Löcher (19) durchgestanzt werden, und dass die erste Schicht (18) danach mit dem plattenförmigen Kernmaterial (17) verbunden wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die erste Schicht (18) mit dem plattenförmigen Kernmaterial (17) verbunden wird und danach durch die Stanzeinrichtung (1) hindurchgeführt wird und die Löcher (19) in die erste Schicht (18) eingestanzt werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das plattenförmige schallabsorbierende Element mit einer zweiten plattenförmigen Schicht (27) verbunden wird, derart dass die andere Oberfläche des plattenförmigen Kernmaterials (17) mit dieser zweiten Schicht (27) abgedeckt wird.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass diese zweite Schicht (27) für sich allein durch die Stanzeinrichtung (1) hindurchgeführt wird und die Löcher (19) durchgestanzt werden, und dass die zweite Schicht (27) danach mit dem plattenförmigen Kernmaterial (17) verbunden wird.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die zweite Schicht (27) mit dem plattenförmigen Kernmaterial (17) verbunden wird und danach durch die Stanzeinrichtung (1) hindurchgeführt wird und die Löcher (19) in die zweite Schicht (27) eingebracht werden.
- Stanzeinrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 6, gekennzeichnet durch einen Maschinenrahmen (3), einer Stempeleinrichtung (5), in welcher Lochstempel (9) eingesetzt sind, Führungsmittel (4), entlang welcher die Stempeleinrichtung (5) eine Hubbewegung ausführt, Antriebsmittel (6) für die Hubbewegung der Stempeleinrichtung (5) und Vorschubmittel (16) für den Vorschub in Durchlaufrichtung und die Führung der mit Löchern (19) zu versehenden plattenförmigen Elemente (2).
- Stanzeinrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Lochstempel (9) in mindestens einer Reihe (22; 24; 26) in einer Stempelplatte (8), die an der Stempeleinrichtung (5) befestigt ist, gehalten sind, welche Reihe (22; 24; 26) im wesentlichen quer zur Durchlaufrichtung ausgerichtet ist.
- Stanzeinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Lochstempel (9) in mehreren parallel ausgerichteten Reihen (22, 24, 26) angeordnet sind, und dass die Lochstempel (9) jeder Reihe (22, 24, 26) bezüglich der anderen Reihen versetzt sind.
- Stanzeinrichtung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass im Maschinenrahmen (3) und gegenüberliegend zu den Lochstempeln (9) eine mit diesen zusammenwirkende Matrizenplatte (15) angeordnet ist.
- Stanzeinrichtung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass an der Stempelplatte (8) eine Führungsplatte (11) für die Lochstempel (9) angebracht ist, welche bezüglich der Stempelplatte (8), geführt durch Führungsbolzen (12), und entlang der Lochstempel (9) bewegbar ist, und welche mittels Federelementen (13) von der Stempelplatte (8), begrenzt durch Anschlagelemente (14), weggedrückt ist.
- Stanzeinrichtung nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass die Vorschubmittel (16) an die Dicke der mit Löchern (19) zu versehenden plattenförmigen Elemente (2) anpassbar ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP01810168A EP1234922A1 (de) | 2001-02-19 | 2001-02-19 | Verfahren und Vorrichtung zum Herstellen eines plattenförmigen schallabsorbierenden Elementes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP01810168A EP1234922A1 (de) | 2001-02-19 | 2001-02-19 | Verfahren und Vorrichtung zum Herstellen eines plattenförmigen schallabsorbierenden Elementes |
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EP1234922A1 true EP1234922A1 (de) | 2002-08-28 |
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EP01810168A Withdrawn EP1234922A1 (de) | 2001-02-19 | 2001-02-19 | Verfahren und Vorrichtung zum Herstellen eines plattenförmigen schallabsorbierenden Elementes |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10253830A1 (de) * | 2002-11-18 | 2004-06-03 | Carcoustics Tech Center Gmbh | Perforierte Folie und Verfahren sowie Vorrichtung zum Perforieren eines flächigen Materials |
WO2006114090A2 (de) * | 2005-04-25 | 2006-11-02 | Richter Furniertechnik Gmbh & Co. Kg | Leichtbauplatte mit einem wabenkern |
WO2016012605A1 (de) | 2014-07-24 | 2016-01-28 | Sennheiser Electronic Gmbh & Co. Kg | Verfahren zum herstellen von akustischen dämpfungselementen |
CN107626816A (zh) * | 2017-10-18 | 2018-01-26 | 深圳市鑫泽峰科技有限公司 | 一种听筒网细孔密集排位冲压加工工艺 |
DE102016114314A1 (de) * | 2016-08-03 | 2018-02-08 | Sennheiser Electronic Gmbh & Co. Kg | Verfahren zum Herstellen eines akustischen Widerstandes und akustischer Widerstand |
CN111341291A (zh) * | 2020-03-04 | 2020-06-26 | 云南电网有限责任公司电力科学研究院 | 一种降噪装置及制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2355454A (en) * | 1943-04-13 | 1944-08-08 | Johns Manville | Method and apparatus for the production of sound-absorbing materials |
US4898056A (en) * | 1985-07-01 | 1990-02-06 | Gyproc A/S | Method and tool for punching plaster plates |
JPH09221849A (ja) * | 1996-02-20 | 1997-08-26 | Nikki Kogyo Kk | 建築物用の遮音材 |
EP0811439A2 (de) * | 1996-06-07 | 1997-12-10 | SCHULER PRESSEN GmbH & Co. | Vorrichtung zum Perforieren von Blechen |
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Cited By (10)
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DE10253830A1 (de) * | 2002-11-18 | 2004-06-03 | Carcoustics Tech Center Gmbh | Perforierte Folie und Verfahren sowie Vorrichtung zum Perforieren eines flächigen Materials |
WO2006114090A2 (de) * | 2005-04-25 | 2006-11-02 | Richter Furniertechnik Gmbh & Co. Kg | Leichtbauplatte mit einem wabenkern |
WO2006114090A3 (de) * | 2005-04-25 | 2006-11-30 | Richter Furniertechnik Gmbh & | Leichtbauplatte mit einem wabenkern |
WO2016012605A1 (de) | 2014-07-24 | 2016-01-28 | Sennheiser Electronic Gmbh & Co. Kg | Verfahren zum herstellen von akustischen dämpfungselementen |
DE102014214547A1 (de) * | 2014-07-24 | 2016-01-28 | Sennheiser Electronic Gmbh & Co. Kg | Verfahren zum Herstellen von akustischen Widerständen |
CN106660102A (zh) * | 2014-07-24 | 2017-05-10 | 森海塞尔电子股份有限及两合公司 | 用于制造声学衰减元件的方法 |
DE102016114314A1 (de) * | 2016-08-03 | 2018-02-08 | Sennheiser Electronic Gmbh & Co. Kg | Verfahren zum Herstellen eines akustischen Widerstandes und akustischer Widerstand |
CN107626816A (zh) * | 2017-10-18 | 2018-01-26 | 深圳市鑫泽峰科技有限公司 | 一种听筒网细孔密集排位冲压加工工艺 |
CN111341291A (zh) * | 2020-03-04 | 2020-06-26 | 云南电网有限责任公司电力科学研究院 | 一种降噪装置及制备方法 |
CN111341291B (zh) * | 2020-03-04 | 2023-06-16 | 云南电网有限责任公司电力科学研究院 | 一种降噪装置及制备方法 |
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