EP3510290A1 - Unterlegscheibe für einen verbundwerkstoff, system aus einer unterlegscheibe und einem verbundwerkstoff und ein verfahren zur herstellung einer konstruktion - Google Patents
Unterlegscheibe für einen verbundwerkstoff, system aus einer unterlegscheibe und einem verbundwerkstoff und ein verfahren zur herstellung einer konstruktionInfo
- Publication number
- EP3510290A1 EP3510290A1 EP17758861.3A EP17758861A EP3510290A1 EP 3510290 A1 EP3510290 A1 EP 3510290A1 EP 17758861 A EP17758861 A EP 17758861A EP 3510290 A1 EP3510290 A1 EP 3510290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- washer
- composite material
- metallic cover
- base body
- cover layers
- 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- Withdrawn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
- 239000002131 composite material Substances 0.000 title claims abstract description 80
- 238000010276 construction Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000012792 core layer Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 238000005304 joining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/086—Self-piercing rivets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/01—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening elements specially adapted for honeycomb panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0241—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread with the possibility for the connection to absorb deformation, e.g. thermal or vibrational
Definitions
- the invention relates to a washer for a composite comprising at least two metallic cover layers and at least one non-metallic core layer disposed between the metallic cover layers, a washer and composite system, and a method of making a structure.
- Washers and the use of washers are just as well known as composites, which have two metallic cover layers and a non-metallic core layer arranged between the metallic cover layers.
- the aim is to combine the positive material properties of the metallic cover layers with those of the non-metallic core layer.
- the present invention solves the problem by a washer for a composite material having at least two metallic cover layers and at least one disposed between the metallic cover layers non-metallic core layer, wherein the washer has a base body with a recess for receiving a connecting element along a connecting direction and from the main body in Having connecting direction protruding foot member for self-fixing of the washer on the composite material.
- the washer is designed over the foot member for self-fixing so that the tightening torque applied when connecting the composite to a component is substantially absorbed by the self-fixing washer.
- the foot elements are used to fix the washer, preferably rotatably fix by engaging in the composite material.
- the base body is an annular disc whose central opening provides the recess for receiving.
- the foot member (s) defines an underside with which the washer contacts the composite in use.
- a bottom side opposite the top of a support surface, for. B. for a screw head provides.
- an annular disc thickness substantially corresponds to a height dimensioned in the connection direction of the foot element.
- the height of the feet projecting from the base body is less than a total thickness of the composite, so that a complete penetration of the foot elements can be avoided when the washer rests with its underside on the composite material and engages with the foot elements in the composite material.
- the washer has a plurality of foot elements evenly distributed along the annular disc.
- the foot element has a cutting surface with a cutting angle on one end face, wherein the cutting angle is in particular a value between 0 ° and 50 °, preferably a value between 2 ° and 40 ° and particularly preferably between 5 ° and 30 °.
- the cutting angle between the cutting surface and a perpendicular to the connecting direction plane is measured.
- the cutting surfaces in this case allow a simplified penetration of the foot element into the composite material via the metallic cover layer on a contact side on which the washer rests.
- the cutting surfaces assist in opening the metallic capping layer when the washer penetrates into the composite for self-securement.
- the foot element has, on a side facing the recess, an inner edge which runs obliquely at an angle relative to the connecting direction, wherein the angle preferably has a value between 30 ° and 60 °, preferably a value between 35 ° and 50 ° and more preferably between 40 ° and 45 °.
- the oblique inner edge advantageously supports the displacement of the non-metallic core layer upon penetration of the foot element into the composite material.
- an underside of the base body facing the base element extends obliquely with respect to a plane extending perpendicular to the connecting direction, wherein the underside is inclined, in particular in the direction of the recess, to an upper side of the base body, which is opposite to the underside.
- a dome-shaped contour is formed on the underside of the main body, in the center of which the recess for receiving the connecting element is arranged.
- Another object of the present invention is a system of a washer, in particular a washer according to the invention, and a composite material having at least two metallic cover layers and at least one disposed between the metallic cover layers non-metallic core layer, wherein a projecting from a main body of the washer in the connecting direction foot element is configured such that the foot element engaging in the composite material via an abutment side comes into contact with the metallic cover layer opposite the abutment side.
- the nonmetallic core layer can be bridged in an advantageous manner by contacting the opposing metallic cover layer, and the washer is fixed by means of the metallic cover layer lying opposite on the contact side.
- the foot elements are designed for this purpose depending on the shape of the composite material, in particular its thickness.
- a material of which the foot element or the washer is designed is adapted depending on the metal or the thickness of the cover layer and / or depending on the material or the thickness of the non-metallic core layer.
- the foot element protrudes from the base body with a height dimensioned in the connection direction, wherein the height is greater than the sum of a layer thickness of the non-metallic core layer and a layer thickness of one of the two metallic cover layers.
- a further subject of the present invention is a method for forming a construction by joining a composite material comprising at least two metallic cover layers and at least one nonmetallic core layer arranged between the metallic cover layers and a component by means of a connection element comprising the following method steps:
- the connecting element is a screw with which the composite material and the component are connected to one another.
- the foot elements are pressed into the composite material in such a way that they engage in the composite material and thus fix the washer, in particular fix it in a rotationally fixed manner.
- the hole is realized by means of a bore or a punching operation.
- the hole is provided below the recess of the washer.
- the composite material for pressing the washer is heated.
- Another object of the present invention is an apparatus for a method according to the invention, wherein the device comprises a support surface, such as an Ambos, and a hold-down, in particular a ring hold-down, for fixing a composite material between the support surface and the hold-down, wherein in the hold down a longitudinally movable punch is provided for pressing in the foot elements of a washer in the composite material.
- a support surface such as an Ambos
- a hold-down in particular a ring hold-down
- FIG. 1 shows a washer according to an exemplary embodiment of the present invention in a sectional view (left) and a bottom view (right).
- Figures 2a to 2d show process steps for a method of forming a structure according to an exemplary embodiment of the present invention.
- FIG. 3 shows a construction produced by a method from FIGS. 2a to 2d.
- a washer 10 according to an exemplary embodiment of the present invention is shown in a sectional view (left) and a bottom view (right).
- the washer 10 is intended to assist in bonding a composite material 20 having, for example, two metallic cover layers 21 and a non-metallic core layer 22 disposed between the metallic cover layers 21 to a component 40 or other composite workpiece.
- the washer 10 comprises a base body 11, in particular a disk-shaped base body 11, which has a recess 13 for receiving a connecting element, which engages through the recess 13 when connecting along a connecting direction V.
- the connecting element is a screw 42.
- the base body 11 forms a closed ring, in particular an annular disc.
- the washer 10 comprises in particular in the connecting direction V protruding from the main body 11 foot elements 12.
- the foot elements 12 are arranged on a connecting to the composite material 20 on a composite material 20 facing the bottom 16 and are in the connection in the Intervene composite material 20 and thus ensure self-fixation.
- the bottom view shown on the right side of Figure 1 is directed to this bottom 16.
- the washer 10 comprises on its underside 16 a plurality of preferably uniformly distributed foot elements 12.
- the foot elements 12 have on their front side a cutting surface 14 with a cutting angle a 2 , wherein the cutting angle a 2 in particular a value between 0 ° and 50 °, preferably assumes a value between 2 ° and 40 ° and particularly preferably between 5 ° and 30 °.
- the cutting angle a 2 is measured with respect to a plane perpendicular to the connecting direction V level.
- the cutting angle a 2 in the direction of the recess 13 to the bottom 16 of the base body 11 are inclined towards.
- the inner edge is formed by two inner sides of the foot element 12 that converge toward the recess 13.
- the underside 16 of the main body 11 extends obliquely with respect to a plane perpendicular to the connecting direction V, wherein the bottom 16, in particular in the direction of the recess 13 to an upper side 17 of the base body 11, which is opposite to the bottom 16, inclined.
- the washer 10 is shown together with the composite material 20.
- the foot elements 12 when engaging in the composite material 20 by a disposed on a contact side 23 metallic cover layer 21 and the non-metallic core layer 22 and engage the metallic cover layer 21, which faces the contact side 23 contacted.
- the foot member 12 protrudes with a measured in the direction of connection V height H from the base body 11, wherein the height H is greater than the sum of a layer thickness t k of the non-metallic core layer 22 and a layer thickness t 1: t 2 one of the two Metallic cover layers 21.
- the washer 10 is designed such that the base body 11 rests with its underside 16 on the contact side 23 of the composite material 20, while the foot elements 12 contact the plant side 23 opposite metallic cover layer 21. Furthermore, it is provided that the height H of the foot elements 12 does not exceed a total layer thickness of the composite material 20 in order to prevent the foot elements 12 from protruding on the composite material 20 on the side opposite the installation side 23. Furthermore, it is conceivable that a pane thickness of the main body 11 substantially corresponds to the height of the foot elements 12.
- FIGS. 2a to 2d show process steps for a method for forming a construction according to an exemplary embodiment of the present invention.
- the composite material 20 and the washer 10, in particular the washer 10 from FIG. 1 are provided.
- the composite material 20 in a in Figure 2a illustrated method step on a support surface, in particular a counter-holder or anvil 34 placed and then fixed with a hold-down 31, in particular a ring hold, on the anvil 34.
- the hold-down 31 comprises a contact element 36 which presses against the composite material 20 with a spring element 33, by means of which the composite material 20 is fixed.
- the spring elements 33 in particular a uniform pressing of the composite workpiece 20 to the anvil 34 can be supported.
- the washer 10 is further arranged.
- the foot elements 12 of the washer 10 are supported on the abutment side 23 of the composite material 20, while at the top 17 of the washer 10, a punch 32 is applied.
- the punch 32 in one of the hold-down 31 above the
- Placed washer 10 provided channel is arranged longitudinally displaceable. Furthermore, it is conceivable that the washer 10 is arranged or placed on the composite material 20 by means of a feed device, in particular by means of an automated feed device, within the channel in the hold-down device 31.
- a pressing in of the washer 10 into the composite material 20 is shown.
- the punch 32 is longitudinally displaced along the connecting direction V in the channel and the fitting on an end face of the punch 32 washer 10 is entrained so that it is pressed in the direction of the composite material 20 movement in the composite material 20 or pressed.
- a hole is introduced into the composite material 20, for example through a hole or a punching.
- the composite material 20 remains heated, for example via the anvil 34, during the method steps illustrated in FIGS. 2a to 2d, in particular to a temperature between 180.degree. C. and 350.degree. But it is also conceivable that the composite material 20 is heated only during individual process steps to the temperature between 180 ° and 350 ° C.
- the composite material 20 is heated in the composite material 20 before and / or during the pressing in of the washer 10.
- the non-metallic core region 22 can be melted down, as a result of which a force application required for pressing in can ultimately be reduced.
- Fig. 3 a construction is made by a method of Figs. 2a to 2d, d. H.
- the fabricated construction is illustrated schematically and by way of example.
- the component 40 and the composite material 20 are connected to one another via a connecting element designed as a screw 42.
- a connecting element designed as a screw 42.
- a screw head of the screw 42 also rests on an upper side 17 of the washer 10.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016116754.1A DE102016116754A1 (de) | 2016-09-07 | 2016-09-07 | Unterlegscheibe für einen Verbundwerkstoff, System aus einer Unterlegscheibe und einem Verbundwerkstoff und ein Verfahren zur Herstellung einer Konstruktion |
| PCT/EP2017/071505 WO2018046326A1 (de) | 2016-09-07 | 2017-08-28 | Unterlegscheibe für einen verbundwerkstoff, system aus einer unterlegscheibe und einem verbundwerkstoff und ein verfahren zur herstellung einer konstruktion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3510290A1 true EP3510290A1 (de) | 2019-07-17 |
Family
ID=59745289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17758861.3A Withdrawn EP3510290A1 (de) | 2016-09-07 | 2017-08-28 | Unterlegscheibe für einen verbundwerkstoff, system aus einer unterlegscheibe und einem verbundwerkstoff und ein verfahren zur herstellung einer konstruktion |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3510290A1 (de) |
| CN (1) | CN109690093A (de) |
| DE (1) | DE102016116754A1 (de) |
| WO (1) | WO2018046326A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2938310B1 (fr) * | 2008-11-07 | 2013-05-17 | Raymond A & Cie | Agrafe de fixation avec rondelle d'etancheite |
| DE102012109047B3 (de) | 2012-09-25 | 2014-02-27 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung einer Konstruktion durch Verbinden eines Leichtblechs mit einem weiteren Bauteil und Verwendung der Konstruktion |
| US9309915B1 (en) * | 2013-03-15 | 2016-04-12 | Rodenhouse, Inc. | Washer and combination washer and fastener system for building construction |
| DE102013213196A1 (de) * | 2013-07-05 | 2015-01-08 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung und Verfahren zum Setzen eines Einpresselements |
| DE102013218548A1 (de) * | 2013-09-16 | 2015-03-19 | Profil Verbindungstechnik Gmbh & Co. Kg | Lochstempel sowie Verfahren zum Durchstanzen eines Werkstücks, das als Schaummaterial und/oder als Sandwichmaterial vorliegt, sowie Verfahren zur Herstellung des Lochstempels |
| CN104653587A (zh) * | 2013-11-25 | 2015-05-27 | 西安欧德隆电气有限公司 | 一种支承垫圈 |
| US8966845B1 (en) * | 2014-03-28 | 2015-03-03 | Romeo Ilarian Ciuperca | Insulated reinforced foam sheathing, reinforced vapor permeable air barrier foam panel and method of making and using same |
| CN204591968U (zh) * | 2015-03-17 | 2015-08-26 | 武汉标迪电子科技有限公司 | 动态设备元器件用垫圈 |
-
2016
- 2016-09-07 DE DE102016116754.1A patent/DE102016116754A1/de not_active Withdrawn
-
2017
- 2017-08-28 EP EP17758861.3A patent/EP3510290A1/de not_active Withdrawn
- 2017-08-28 WO PCT/EP2017/071505 patent/WO2018046326A1/de not_active Ceased
- 2017-08-28 CN CN201780054994.7A patent/CN109690093A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018046326A1 (de) | 2018-03-15 |
| CN109690093A (zh) | 2019-04-26 |
| DE102016116754A1 (de) | 2018-03-08 |
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