CN102472329B - Method for producing a friction lining - Google Patents

Method for producing a friction lining Download PDF

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Publication number
CN102472329B
CN102472329B CN201080026813.8A CN201080026813A CN102472329B CN 102472329 B CN102472329 B CN 102472329B CN 201080026813 A CN201080026813 A CN 201080026813A CN 102472329 B CN102472329 B CN 102472329B
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CN
China
Prior art keywords
plate
friction
friction plate
conical
embodied
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.)
Expired - Fee Related
Application number
CN201080026813.8A
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Chinese (zh)
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CN102472329A (en
Inventor
O·伦格
T·魏尔
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Publication of CN102472329A publication Critical patent/CN102472329A/en
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Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00Friction clutches
    • F16D13/58Details
    • F16D13/60Clutching elements
    • F16D13/64Clutch-plates; Clutch-lamellae
    • F16D13/648Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0082Production methods therefor
    • F16D2200/0086Moulding materials together by application of heat and pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00Manufacturing; Assembly

Abstract

The invention relates to a method for reducing the warping of friction linings (50), which comprise a friction layer and a lining carrier.

Description

For the manufacture of the method for friction plate
Technical field
The present invention relates to a kind of according to the method for the feature of the preamble of claim 1 and a kind of according to the device of the feature of the preamble of claim 9.
The invention still further relates to a kind of for reducing the method for warpage of friction plate, especially clutch friction plate of described friction plate, it has friction layer and sheet carrier.
Background technique
This friction plate is particularly useful for the friction clutch in Motor Vehicle.Here, it be firmly connected as the metal carrier of sheet carrier, or be riveted on clutch disk, so as under couple state with relative rotation to connecting, thereby can be between motor and speed changer transmitting torque, or depart from the time of cut-off clutch.
DE 44 31 642 B4 disclose a kind of friction plate, and it also has as the fiber of constituent, tackiness agent and filler.
According to prior art, friction plate is generally manufactured with the following method: after friction plate constituent mixes in mixer, this mixture of prearranging quatity is filled in preforming tool, in preforming tool, is uniformly distributed, then shorten pre-stamped product into precompressed.Described precompressed goods are received in hot compression mould, and in hot compression mould, carry out the further compression of described precompressed goods, are pressed into setting shape in hot press method.Subsequently, described friction plate is carried out to subsequent treatment, for example, harden, polish and hole.
In publication DE 197 12 203 A1, disclose a kind of friction plate and manufacture the method for this friction plate, wherein, carrier element embeds in friction plate as sheet carrier.
According to prior art, sheet carrier embeds in friction plate conventionally.This can realize by the following method, i.e. the mixture of dosing friction material in hot compression, subsequently, sheet carrier is placed in press machine, then continues dosing material, last described material for example, together with sheet carrier-by hot compression-formation end-state.
Also known from prior art, first the sheet carrier with gasket device setting is inserted in mould, then dosing friction material and make described material in compression process-for example hot press method-flow in the region below sheet carrier by the hole in sheet carrier.
In addition, described friction plate can be configured to make the friction lamella in before described carrier (front) to have the another kind of material blends different from the friction lamella at (back side) after described carrier.Before described carrier, the friction lamella in (front) has real friction surface, described carrier friction lamella below preferably it goes without doing friction surface.Thus, after described carrier, the liner mixture at (back side) can use and must not meet the material blends about friction factor high request.These materials also preferably can have little density, therefore reduce weight and the moment of inertia of friction plate.For specific object, go up overleaf and also need large density.Equally, the suitable composition manufacture of more a high proportion of cost also can be used in the described back side.
According to material and the application target selected, the back side of described friction plate also can be chosen to thinner or thicker than front.
In addition, preferably can provide the surface treatment of adhesive lining sheet material better to sheet carrier.DE 197 12 203 A1 about this point with reference to the applicant.
Known from prior art equally, described friction plate is firmly connected with described carrier.This can be carries out during in the time manufacturing precompressed goods and/or in hot press method.In hot press method, described carrier here lumps with friction plate.If the described carrier side being at least connected with liner carried out pretreatment, for example corrosion and/or sand blast, be suitable.
Further, if friction plate carrier applies with adhesive, can be suitable.DE 44 31 642 B4 about this point with reference to the applicant.
Friction plate is very high to smooth requirement, especially for the application in double clutch.
A kind of pressing plate for friction clutch has been described in DE 10031635A1, wherein, described pressing plate has at least one friction disc device or such suppressible friction surface region facing to clutch disk, and wherein, described clamp portion ground is made up of the first material, and wherein, in described pressing plate, arrange and the second material of the first material thermo-contact at least partly.In order to compensate pressing plate because of the thermogenetic negative shielding of the friction in clutch running, propose described the second material according to this invention and have from the first material and compare different thermal expansions, particularly larger thermal expansion.
But this can not improve the warpage of friction plate.As chankings carrier is only provided with friction layer in a side, may produce warpage, if friction layer and sheet carrier do not have identical thermal expansion coefficient, make with friction material as friction layer and sheet carrier is for example made for thin plate back.Described carrier plated film on both sides as mentioned above, and friction layer is made or is had different thickness with another layer of different material of use warpage may occur equally.
Summary of the invention
The object of the invention is to propose a kind of method that reduces friction plate warpage, described friction plate comprises sheet carrier and at least one friction layer.
This task is by realizing according to the method for the feature of claim 1 with according to the device of claim 9.
The present invention is as described below to the solution of this object:
Can substantially retain from the manufacture method of the known friction plate of prior art.Difference part is friction plate according to the present invention tensioning in hardening process.
The method according to this invention is provided for creating friction like this sheet, between two plates that are embodied as holotype and die, clamps at least one friction plate.Here, described friction plate hardens under tensioning state, thereby therefore described friction plate forms the shape of expectation.
In particularly preferred embodiment, propose, described two plates are two and are formed as conical plate, be implemented as holotype and die, thereby described friction plate have the tapering of expectation after sclerosis.
Further proposing in preferred embodiment, described two to be formed as conical plate be conical base plate and contrary conical top board, is implemented as holotype and die.
Further proposing in preferred embodiment, described two are formed as conical plate and are embodied as and have predetermined slope aspect their tapering.
Described friction plate is preferably embodied as and comprises sheet carrier and friction layer.
The advantage of method of the present invention is to reach the warpage that comprises the friction plate of friction layer and sheet carrier described in reduction.
Further proposing in preferred embodiment, between two plates, clamp multiple friction plates.
In further preferred embodiment, between friction plate, arrange and be embodied as conical separating plate.
In further preferred embodiment, described friction plate has the temperature of at least temporary transient glass transition temperature higher than friction layer in the time of sclerosis.
According to the invention allows for a kind of device for the manufacture of friction plate.Utilize this device can carry out said method.Described device has clamping and curing system.Described clamping and curing system have two plates (70,80), are implemented as holotype (80) and die (70), for clamping and at least one friction plate that hardens.Therefore described friction plate forms the shape of expectation.
Accompanying drawing explanation
Other advantages of the present invention and favourable design proposal are Fig. 1 below and the theme of explanation thereof.
Embodiment
Described method forms shape for the tank of adjusting the friction plate being made up of friction layer and carrier.
Friction plate 50 hardens through one or many in manufacture process.This sclerosis may continue several hours, carries out in the temperature range from 250 ℃ to 300 ℃ according to the friction material of selecting.
According to the present invention, as shown in Figure 1, friction plate 50 is tensioning on sclerosis support in hardening process.This can for example utilize nut 10 to move along sclerosis support 40, and is subject to the constraint of belleville spring 30 and lid 20.By rotating nut 10, belleville spring 30 is applied to active force to cover on 20, this masterpiece be used in be present in cover 20 and sclerosis support 40 foot between friction plate on.
The tapering aspect that is applied in them according to the present invention has conical base plate 80 and the contrary conical top board 70 of predetermined slope, thereby friction plate 50 forms shape with the mode tank of expecting, limit, and has the tapering of expectation.Under contrary taper shape in the framework of the literature, moulding means with as holotype, die being obtained to conical moulding.Conical base plate 80 and contrary conical top board 70 form contact there is no friction plate 50 between the two time, and two opposed facing sides are touched whole surface substantially.
After tank formation shape continues to remain on sclerosis.Each friction plate 50 on sclerosis support 40 separates by for example same conical separating plate 60, thereby this effect can form by the so correspondingly tank of application the separating plate support of shape.Conical separating plate 60 also has the taper shape that points to top board 70 and the contrary conical sides of pointing to base plate 80 in the meaning of above-mentioned concept.
Then, carry out cooling after, nut unclamps again, again friction plate is unloaded.
Can react on targetedly warpage adjustment by pre-shaping by this way.
In a preferred embodiment, the glass transition temperature that exceedes friction plate in hardening process at least one times.
Also relate in the method according to the invention a kind of preformed method of conical tensioning adjustment friction plate for passing through to limit in hardening process, described friction plate is made up of friction layer and carrier layer.
Self-evidently, described method also can be implemented on the friction plate that there is no sheet carrier, to react on for example shielding.
In a preferred embodiment, described carrier can arrange friction layer in a side as in advance, on opposite side, have as learnt from above-mentioned prior art, comprising equally and equate or that the cost of smaller or greater bed thickness is suitable is only similar or also have another layer of same material.With as described in there is the only similar mode of friction plate of friction layer, the friction plate with friction layer and another layer also can with correspondingly adapt to, be embodied as conical device and carry out.
Reference numerals list
10 nuts
20 lids
30 belleville springs
40 sclerosis supports
50 friction plates
60 conical separating plates
70 against conical plate
80 conical plates

Claims (14)

1. for the manufacture of a method for friction plate, it is characterized in that,
At least one friction plate is clamped in to two and is embodied as between holotype (80) and the plate (70,80) of die (70), and described friction plate in tensioning state through repeatedly sclerosis, and wherein, described friction plate forms the shape of expectation thus; Described two plates (70,80) are two and are formed as conical plate (70,80), and they are embodied as holotype (80) and die (70), and described friction plate (50) has the tapering of expectation thus after sclerosis.
2. method according to claim 1, is characterized in that,
Described two to be formed as conical plate (70,80) be conical base plate (80) and contrary conical top board (70), and they are embodied as holotype (80) and die (70).
3. method according to claim 1 and 2, is characterized in that,
Described two are formed as conical plate (70,80) and are embodied as and have predetermined slope aspect their tapering.
4. method according to claim 1 and 2, is characterized in that,
Described friction plate comprises sheet carrier and friction layer.
5. method according to claim 1 and 2, is characterized in that,
Multiple friction plates are clamped between two plates (70,80).
6. method according to claim 5, is characterized in that,
Between described friction plate, arrange and be embodied as conical separating plate.
7. method according to claim 1 and 2, is characterized in that,
Described friction plate at least temporarily has the temperature on the glass transition temperature of described friction layer in when sclerosis.
8. for carrying out according to the create friction device of sheet of the method described in any one of claim 1 to 7, it has and clamps and curing system, it is characterized in that,
Described clamping and curing system have two plates (70,80), and they are embodied as holotype (80) and die (70) and for clamping and sclerosis friction plate, make its under stress state through repeatedly sclerosis, wherein, described friction plate forms the shape of expectation thus; Described two plates (70,80) are two and are formed as conical plate (70,80), and they are embodied as holotype (80) and die (70), and described friction plate (50) has the tapering of expectation thus after sclerosis.
9. device according to claim 8, is characterized in that,
Described two to be formed as conical plate (70,80) be the contrary conical top board (70) of a conical base plate (80) and, and they are embodied as holotype (80) and die (70).
10. device according to claim 8 or claim 9, is characterized in that,
Described two are formed as conical plate (70,80) and are embodied as and have predetermined slope aspect their tapering.
11. devices according to claim 8 or claim 9, is characterized in that,
Described friction plate comprises sheet carrier and friction layer.
12. devices according to claim 8 or claim 9, is characterized in that,
Multiple friction plates are clamped between two plates (70,80).
13. devices according to claim 12, is characterized in that,
Between described friction plate, arrange and be embodied as conical separating plate.
14. devices according to claim 8 or claim 9, is characterized in that,
Described friction plate at least temporarily has the temperature of the glass transition temperature that is greater than described friction layer in the time of sclerosis.
CN201080026813.8A 2009-07-23 2010-06-28 Method for producing a friction lining Expired - Fee Related CN102472329B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009034396.2 2009-07-23
DE102009034396 2009-07-23
PCT/DE2010/000749 WO2011009428A1 (en) 2009-07-23 2010-06-28 Method for producing a friction lining

Publications (2)

Publication Number Publication Date
CN102472329A CN102472329A (en) 2012-05-23
CN102472329B true CN102472329B (en) 2014-06-04

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CN (1) CN102472329B (en)
DE (2) DE112010003040A5 (en)
WO (1) WO2011009428A1 (en)
ZA (1) ZA201108951B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015206018A1 (en) 2015-04-02 2016-10-06 Schaeffler Technologies AG & Co. KG multi-plate clutch
NL2016255B1 (en) * 2016-02-12 2017-08-25 C3 Sport S R O Clutch friction member for a friction clutch and method of manufacturing the same.
DE102018106609A1 (en) * 2018-03-21 2019-09-26 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Method for reducing the shielding of a wheel brake disk for a rail vehicle and apparatus for carrying out the method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431642A1 (en) * 1993-09-16 1995-03-23 Luk Lamellen & Kupplungsbau Friction lining
DE19712203A1 (en) * 1996-03-27 1997-10-30 Luk Lamellen & Kupplungsbau Friction lining for clutch discs, brakes or similar, e.g. for motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031635A1 (en) 2000-06-29 2002-01-10 Mannesmann Sachs Ag Pressure plate for a friction clutch
DE10218560B4 (en) * 2002-04-25 2004-06-03 Tmd Friction Europe Gmbh Process for producing a resin-bound molded part

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431642A1 (en) * 1993-09-16 1995-03-23 Luk Lamellen & Kupplungsbau Friction lining
DE19712203A1 (en) * 1996-03-27 1997-10-30 Luk Lamellen & Kupplungsbau Friction lining for clutch discs, brakes or similar, e.g. for motor vehicle

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ZA201108951B (en) 2013-02-27
WO2011009428A1 (en) 2011-01-27
DE112010003040A5 (en) 2012-06-06
DE102010025327A1 (en) 2011-01-27
CN102472329A (en) 2012-05-23

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Address after: German Herzogenaurach

Applicant after: Schaeffler Technologies GmbH & Co. KG

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Applicant before: Schaeffler Technologies GmbH

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