WO2018024291A1 - Verfahren zur herstellung einer anpressplatteneinheit, anpressplatteneinheit und reibungskupplung - Google Patents
Verfahren zur herstellung einer anpressplatteneinheit, anpressplatteneinheit und reibungskupplung Download PDFInfo
- Publication number
- WO2018024291A1 WO2018024291A1 PCT/DE2017/100640 DE2017100640W WO2018024291A1 WO 2018024291 A1 WO2018024291 A1 WO 2018024291A1 DE 2017100640 W DE2017100640 W DE 2017100640W WO 2018024291 A1 WO2018024291 A1 WO 2018024291A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure plate
- plate unit
- board
- rolling tool
- support ring
- 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.)
- Ceased
Links
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
- F16D13/71—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members in which the clutching pressure is produced by springs only
-
- 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
- F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/12—Mounting or assembling
Definitions
- the present invention relates to a process for producing a
- the present invention relates to a friction clutch with a pressure plate unit according to the invention.
- friction clutches of all kinds pressure plates are required with which a mechanical contact pressure on a respective Reibvers can be applied, so that individual elements or layers of Reibverses are frictionally connected together.
- Disk spring applied which is supported on a clutch cover.
- a so-called cam ring is arranged in some coupling configurations, which can also be referred to as a support ring.
- the plate spring is substantially on a circular path, so that the force applied by the plate spring force is transmitted to the cam or support ring and is transmitted by this in or on the pressure plate, so that they can compress the Reibvers.
- the support ring can be configured as a cam ring with cams to a twisting movement
- Figure 1 shows a steel pressure plate 1, which forms a support ring 20 as an integral part.
- This support ring 20 has gaps, so that form cams of the support ring 20.
- the support ring 20 has been manufactured by a forming process that substantially corresponds to a bend.
- Figure 2 shows another embodiment of a pressure plate unit, which in
- Figure 3 shows a support ring 3 on a steel pressure plate 1, which is fastened with rivets 4.
- tabs 90 also referred to as tabs, are arranged as integral components of the steel pressure plate 1.
- FIG. 4 shows a segmented steel pressure plate 5.
- This pressure plate is composed of individual circular ring segments.
- An inserted support ring 2 connects all segments, which are also coupled together.
- Some segments include tabs 90, which are equipped for attachment of leaf springs, not shown here, by means of the openings 91 in the tabs 90.
- a pressure plate unit is known in which the unit of pressure plate and cam ring is composed of individual parts. Cams on the support ring cooperate here with complementary cutouts on the pressure plate together to prevent twisting movement of the ring. To realize the pressure plate with support ring, however, a certain effort to operate, which is due to the production of the two items, as well as by the mounting of the support or cam ring on the pressure plate. In addition, each
- the invention has for its object to provide a method for producing a pressure plate and a support ring comprehensive pressure plate unit and the pressure plate unit itself to provide a
- Friction clutch sufficient life with low production costs and consequently moderate production costs can be generated, and can be found in a larger coupling range application.
- Pressure plate unit solved according to claim 8 Advantageous embodiments of the method according to the invention for producing a pressure plate unit are specified in the subclaims 2 to 7. An advantageous embodiment of the pressure plate unit according to the invention is specified in dependent claim 9.
- Pressure plate unit provided.
- the features of the claims may be combined in any technically meaningful manner, for which purpose the explanations of the following description as well as features of the figures may be consulted which comprise additional embodiments of the invention.
- the pressure plate unit according to the invention is intended to be a pressure plate and a
- a circuit board is provided, as well as at least one rolling tool, which is brought into mechanical connection with the circuit board. That means that
- Rolling tool with its rolling surface is attached to a surface of the board. Furthermore, a rotational relative movement of the rolling tool in relation to the board is carried out. This means that in addition to the rotational movement of the rolling tool itself, either the rolling tool is guided with respect to the board in a rotational movement, or the board in relation to the rolling tool, or both rolling tool and board are both moved rotationally. In this case, the rolling tool is pressed against the board such that material of the board is displaced by the rolling tool and flows along a direction of which at least one component and preferably the entire, resulting flow movement in a direction which is perpendicular to the pressing force, with the the rolling tool is pressed against the surface of the board.
- This ring structure forms the pressure ring.
- the pressure plate is formed in the plane of the original board course thereby the pressure plate is formed.
- the pressure plate and pressing ring are thus an integral component in the form of the pressure plate unit, which was produced by means of the so-called flow-forming or flow-molding process.
- the board used in this case is preferably a sheet metal blank, which can also be referred to as Ronde.
- Pressure plate trained support ring or cam ring is therefore rotatably connected to the pressure plate.
- the illustrated method is not limited to the mentioned sequence of steps of generating the mechanical operative connection and the realization of the rotational relative movement, but the order can also be reversed here.
- several distributed on the circumference of the board arranged rolling tools are used, such. B. two or three rolling tools.
- the spin forming is such executable that the rolling tool acts like a wedge on the material of the board, and therefore almost a cutting or separation process is combined with the rolling process, which causes areas of the Materials of the board are removed from each other and flow simultaneously.
- the height and / or width of the support ring can be made variable. It is possible with the method to produce pressure plate units of different sizes and for different applications and thus for different coupling sizes and types.
- Pressure plate unit performed such that the rolling tool at one edge the board is attached and then moved radially to the axis of rotation of the rotational relative movement.
- the rolling tool is attached to the surface of the board and then moved radially to the axis of rotation of the rotational relative movement.
- the rolling tool is preferably attached to the outer edge and moved in the direction of the axis of rotation.
- the rolling tool is attached to the surface of the board and is then moved radially to the axis of rotation of the rotational relative movement, the
- Rolling tool thus not attached to the edge of the board, but spaced from the edge on the surface of the board, wherein the direction of movement extends in the direction of the edge or on the axis of rotation. Consequently, in this embodiment, the rolling tool enters the material of the board.
- tabs are needed, which are also referred to as tabs and serve the attachment of leaf springs, they can be worked before the spin forming and then to the board or the pressure plate produced thereby.
- a counter-pressure element in particular in the form of a mandrel, is used for limiting the flow movement of the blank material during spin forming and thus for shaping the material forming the support ring on the side facing the counterpressure element.
- the printed circuit board is produced by means of a punching process, in which tabs or tabs for the mechanical connection of leaf springs are produced on the circuit board, essentially projecting from their outer boundary edge.
- the leaf springs are used for torsionally rigid connection of a clutch cover with the pressure plate and to realize a Abhubs of the pressure plate from Reibvers for the purpose of interrupting a realized by the clutch torque transmission.
- Tabs can later be bent out of the plane of the board to prevent collision with the rolling tool.
- this bending process can also take place together with the stamping process or by means of this stamping process.
- the tabs produced during spin forming are bent by the prevailing pressing force. Inasmuch as excess material should be present in the area of the tabs as a result of the punching and / or bending process, this material can later be removed by separating.
- a pressure plate unit whose plate is preferably punched out of a raw material.
- the board which essentially forms the pressure plate, as well as any existing tabs for leaf spring connection in the desired geometry are worked out. This is a simple and time-saving production of
- Pressure plate also has the support ring, together with the leaf spring connection possible.
- tabs are produced on the outer boundary edge of the pressure plate by means of at least one separation process.
- This separation process can be a punching process, which made of the board
- leaf springs are fixed to the pressure plate by means of rivets.
- the leaf springs are riveted directly to the pressure plate. This will be done after the implementation of
- the leaf springs must be designed to avoid an undue stress on the leaf springs or the mechanical coupling devices.
- a method in which a support ring is produced by a flow-forming method from a blank, namely the board.
- a plurality of rolling tools press starting from an edge of the board material from the board such that it begins to flow in the processing zone.
- Material displaced by rolling is limited in its flow process by a mandrel and consequently placed on the mandrel, so that a ring structure is formed, the axis of rotation of which runs essentially perpendicular to the plane of the board.
- the pent-up material corresponds to a continuous cam, so that the support ring produced according to the invention can also be referred to as a cam ring.
- pressure plate unit for a Friction clutch of a motor vehicle drive train provided, the pressure plate and also the support ring made of a steel.
- the pressure plate unit according to the invention may comprise leaf springs attached to the pressure plate or tabs arranged there, z. B. are riveted, and / or angle elements that position and fix the leaf springs.
- a pressure plate unit produced in this way is a very cost-effective component which can be used in many coupling sizes and types.
- this has a in
- Corner regions of the pressure plate openings or holes, in particular holes, are arranged, on which leaf springs can be fixed or fixed.
- a deviation from a polygonal shape may in particular consist in that corner regions are rounded.
- the support ring is formed by means of flow-forming rollers. Insofar as the ring structure runs relatively close to the straight side edges, the rolling tools must be used during the
- volume differences in the generated support ring which are noticeable in deviations in terms of height or the width of the ring structure, if necessary, then by further processing steps, such as. B
- Motor vehicle provided, which for releasably connecting a
- Output shaft is configured with a consumer and having a friction pack with at least one Anpressplattentician invention for pressurizing the respective Reibvers.
- the friction clutch according to the invention further comprises a
- the friction clutch is set up to
- Fig. 1 a conventional steel pressure plate unit bent support ring
- Fig. 2 a conventional steel pressure plate unit with plugged support ring
- Fig. 3 a conventional steel pressure plate unit with riveted support ring
- Fig. 4 a conventional steel pressure plate unit with segmented
- FIG. 8 shows a pressure plate unit of a first embodiment produced according to the invention.
- FIG. 9 shows a section through the pressure plate unit shown in FIG. 8 along the
- FIG. 10 shows a pressure plate unit of a second invention produced in accordance with
- Fig. 13 a pressure plate unit according to the invention produced a third
- 14 shows a section through the pressure plate unit shown in FIG. 13 along the section BB, FIG.
- FIG. 16 a flow-forming process with a simultaneous cutting process
- FIG. 17 a flow-forming process with a first rolling-tool geometry
- FIG. 18 shows a flow-forming process with a second rolling-tool geometry.
- FIG. 5 shows, in simplified schematic representation, the process of flow-forming for producing the pressure plate unit according to the invention.
- FIG. 5a shows the initial state of the circuit board 30, which can also be referred to as a blank.
- FIG. 5b the same board 30 can be seen in a press-rolled state. It has been displaced so far by means of a roller, not shown here, material 34, that a substantially rectangular in cross-section support ring 20 has formed, which may also be rounded or convex executed at its protruding end, as shown in Figure 5b) is.
- Cross-sectional shape of the support ring 20 is preferably the indicated in Figure 5 back pressure element 70, also referred to as a mandrel to apply, which prevents further flow of the displaced material and thus ensures a clear contour of one side of the support ring 20.
- FIG. 6 A particular embodiment of a pressure plate unit according to the invention is shown in FIG. It can be seen that the board 30, which is also essentially forms the pressure plate 10, has a substantially triangular shape, which is formed by three interconnected via corner regions longitudinal edges 1 1. In the rounded corner regions 12, which are referred to as tabs 90 or so-called lobes, openings 91 are arranged for fixing leaf springs. In a flow-forming process for the production of the pressure plate unit shown in FIG. 6, it can not therefore be ruled out that a circumferential one
- FIG. 7 shows a simple circuit board in the form of a circular ring for producing a
- Claim 8 shows the board in which already by spin forming on a surface 33 of the board of the support ring 20 has been generated.
- FIG. 9 shows the pressure plate unit produced as a sectional illustration along the section BB from FIG. 8. It can be seen that the pressure plate 10 produced has a smaller thickness 35 in the region of its outer edge 31 than in the region of the inner edge 32. This is the result of FIG a flow forming operation, not shown here, and started at the outer edge 31, which material has displaced out of this outer edge region, thereby forming the support ring 20 from the displaced material 34 already explained in relation to Figure 5.
- FIGS. 10 and 11 show an alternative embodiment in which the deformation of the circuit board 30 was likewise initiated by the outer edge 31. In the region of the inner edge 32 openings 91 are introduced in this embodiment, which serve for the mechanical connection of leaf springs.
- Figures 12, 13 and 14 show an alternative embodiment of
- the circuit board 30 is shown as a starting material for the flow-forming process. It can be seen that these Board 30 already arranged at its periphery tabs 90 and lobes having openings or holes 91, which serve to connect leaf springs.
- the ring structure shown in FIGS. 13 and 14 is formed, ie, the support ring 20 is now formed on a surface 33 of the circuit board 30.
- FIG. 15 shows a schematic diagram of a flow-forming process. It is here shown how a rolling tool 40 in the form of a roller, which rotates about its rolling tool rotation axis 41, engages with the material of the board 30 at the outer edge 31 thereof.
- Rolling tool 40 corresponds.
- the shape of the support ring 20 produced by the spin forming is not limited to the concave end portion shape shown in FIG. 5 (b), but that FIG
- End region can be configured with a polygonal cross section.
- flow-forming processes are shown, which are carried out with rolling tools of different geometry.
- FIG. 16 shows a flow-forming process in which the rolling process is combined with a cutting process.
- This is made possible by a specific shape of the rolling tool 40, which is formed at its circumference substantially acute-angled.
- the already described flow of the material is realized, in which case due to the acute angle on the circumference of the rolling tool 14 almost a separation process in the material of the board 30 is performed.
- material 34 is displaced and can form the support ring 20 upon further delivery of the rolling tool 40.
- Rolling tool has almost a cylindrical shape, and in Figure 17 has an angular course of the lateral surface to the base or top surface, so that the shape of the rolling tool 14 shown in Figure 17 forms an angle on the outer contour, which is not executed so pointed, like the angle of the rolling tool 40 shown in FIG.
- material 34 of the blank 30 can be displaced in a reliable manner and placed somewhat in relation to the plane of the blank 30.
- the rolling tool 40 according to FIG. 18 can be used to form a rectangular course of the support ring 20 to be produced to the board 30.
- the method for producing a substantially vertically projecting support ring 20 overall with a shorter production time and more efficient than when using only one rolling tool 40, as indicated in Figure 16.
- a pressure plate unit can be provided in a simple, time-saving and cost-effective manner, which satisfies the most diverse requirements.
- the method is not limited to certain Anpressplattenariaen sizes or types, but it can be pressure plate units of different sizes and produced for a variety of applications.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018568710A JP2019525841A (ja) | 2016-08-03 | 2017-07-31 | 圧着プレートユニットを製造する方法、圧着プレートユニットおよび摩擦クラッチ |
| EP17783701.0A EP3494322A1 (de) | 2016-08-03 | 2017-07-31 | Verfahren zur herstellung einer anpressplatteneinheit, anpressplatteneinheit und reibungskupplung |
| DE112017003868.5T DE112017003868A5 (de) | 2016-08-03 | 2017-07-31 | Verfahren zur Herstellung einer Anpressplatteneinheit, Anpressplatteneinheit und Reibungskupplung |
| KR1020197003132A KR20190035722A (ko) | 2016-08-03 | 2017-07-31 | 압력판 유닛 제조 방법, 압력판 유닛, 그리고 마찰 클러치 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016214303.4A DE102016214303A1 (de) | 2016-08-03 | 2016-08-03 | Verfahren zur Herstellung einer Anpressplatteneinheit, Anpressplatteneinheit und Reibungskupplung |
| DE102016214303.4 | 2016-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018024291A1 true WO2018024291A1 (de) | 2018-02-08 |
Family
ID=60083046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2017/100640 Ceased WO2018024291A1 (de) | 2016-08-03 | 2017-07-31 | Verfahren zur herstellung einer anpressplatteneinheit, anpressplatteneinheit und reibungskupplung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3494322A1 (de) |
| JP (1) | JP2019525841A (de) |
| KR (1) | KR20190035722A (de) |
| DE (2) | DE102016214303A1 (de) |
| WO (1) | WO2018024291A1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164104A (en) * | 1984-07-31 | 1986-03-12 | Daikin Mfg Co Ltd | Friction clutch |
| JPH0290424U (de) * | 1988-12-27 | 1990-07-18 | ||
| DE10031635A1 (de) * | 2000-06-29 | 2002-01-10 | Mannesmann Sachs Ag | Anpreßplatte für eine Reibungskupplung |
| EP1394433A1 (de) * | 2002-08-28 | 2004-03-03 | ZF Sachs AG | Anpressplatte für eine Reibungskupplung |
| DE102011079840A1 (de) | 2010-08-09 | 2012-02-09 | Schaeffler Technologies Gmbh & Co. Kg | Reibungskupplung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19861391B4 (de) * | 1998-10-29 | 2008-04-17 | Leifeld Metal Spinning Gmbh | Verfahren zum Formen einer Nabenscheibe und Drückrolle zur Verwendung beim Formen einer Nabenscheibe |
| JP2000213556A (ja) * | 1999-01-26 | 2000-08-02 | Aisin Kiko Kk | プレッシャプレ―トおよびその製造方法 |
| US6427329B2 (en) * | 2000-04-26 | 2002-08-06 | A. J. Rose Manufacturing Co. | Method of forming a hub with blind bore |
| DE50200600D1 (de) * | 2002-04-30 | 2004-08-12 | Leico Werkzeugmaschb Gmbh & Co | Verfahren und Drückwalzmaschine zum spanlosen Anformen einer Nabe |
| JP2004360806A (ja) * | 2003-06-05 | 2004-12-24 | Exedy Corp | フレキシブルプレート及びその製造方法 |
| JP2007268571A (ja) * | 2006-03-31 | 2007-10-18 | Nippon Spindle Mfg Co Ltd | 絞り加工方法及びその装置 |
-
2016
- 2016-08-03 DE DE102016214303.4A patent/DE102016214303A1/de not_active Withdrawn
-
2017
- 2017-07-31 DE DE112017003868.5T patent/DE112017003868A5/de not_active Withdrawn
- 2017-07-31 JP JP2018568710A patent/JP2019525841A/ja active Pending
- 2017-07-31 WO PCT/DE2017/100640 patent/WO2018024291A1/de not_active Ceased
- 2017-07-31 KR KR1020197003132A patent/KR20190035722A/ko not_active Withdrawn
- 2017-07-31 EP EP17783701.0A patent/EP3494322A1/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164104A (en) * | 1984-07-31 | 1986-03-12 | Daikin Mfg Co Ltd | Friction clutch |
| JPH0290424U (de) * | 1988-12-27 | 1990-07-18 | ||
| DE10031635A1 (de) * | 2000-06-29 | 2002-01-10 | Mannesmann Sachs Ag | Anpreßplatte für eine Reibungskupplung |
| EP1394433A1 (de) * | 2002-08-28 | 2004-03-03 | ZF Sachs AG | Anpressplatte für eine Reibungskupplung |
| DE102011079840A1 (de) | 2010-08-09 | 2012-02-09 | Schaeffler Technologies Gmbh & Co. Kg | Reibungskupplung |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3494322A1 (de) | 2019-06-12 |
| DE102016214303A1 (de) | 2018-02-08 |
| DE112017003868A5 (de) | 2019-04-25 |
| KR20190035722A (ko) | 2019-04-03 |
| JP2019525841A (ja) | 2019-09-12 |
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